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prices we've seen · United States fares · USD

Flights from Ulaanbaatar (UBN) to Seoul (ICN)

  • One way from $155
  • Round trip from $308
  • Nonstop on 54 of 54 dates
  • Fastest 3h
  • 6 airlines

The cheapest one-way fare from Ulaanbaatar (UBN) to Seoul (ICN) we have seen is $155 USD, departing Jan 19, 2027 (seen Nov 7, 2026): Jeju Air 7C 5204, nonstop, 3h 10m.

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Cheapest · One wayseen Nov 7

$155 USD

Jeju Air 7C 5204 · Jan 19 · Nonstop · 3h 10m

A typical day on this route: $208

Continue on the seller's site — $155

Cheapest round tripseen Nov 6

$308 USD

Jeju Air 7C 5204 · Dec 10 → Dec 13 · Nonstop · 6h 55m in all, both ways

Continue on the seller's site — $308

a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

These are the fares the seller shows on its United States site, in USD; prices where you live may differ.

See more dates →

Leave your email and we'll write on any day the fare is at or under your price — at most once a day. We'll send a link to confirm your address first. Without an email, it's still saved in My watches.

Prices are the fare alone; the seller shows the bag and fare rules.

Cheapest by month

Checked Nov 11

Pick a month to search the day its cheapest fare leaves.

  1. Nov 2026$160
  2. Dec 2026$158
  3. Jan 2027$155
  4. Feb 2027$181
  5. Mar 2027$214
  6. Apr 2027$192
  7. May 2027$207
  8. Jun 2027$231
  9. Jul 2027$233
  10. Aug 2027$248
  11. Sep 2027$231
  12. Oct 2027$231

Cheapest days to fly one wayCheapest round trips

Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.

We may earn a commission from the seller · How we rank

  1. TueJan 19

    15:15

    3h 10mNonstop

    19:25

    Cheapest$155 USD

    Jeju Air 7C 5204 · seen Nov 7

  2. TueDec 8

    15:15

    3h 10mNonstop

    19:25

    $158 USD

    Jeju Air 7C 5204 · seen Nov 10

  3. SunDec 13

    15:15

    3h 10mNonstop

    19:25

    $159 USD

    Jeju Air 7C 5204 · seen Nov 10

  4. TueNov 24

    15:15

    3h 10mNonstop

    19:25

    $160 USD

    Jeju Air 7C 5204 · seen Nov 10

  5. ThuDec 3

    15:15

    3h 10mNonstop

    19:25

    $160 USD

    Jeju Air 7C 5204 · seen Nov 10

  6. ThuJan 14

    15:15

    3h 10mNonstop

    19:25

    $161 USD

    Jeju Air 7C 5204 · seen Nov 10

  7. TueDec 15

    15:15

    3h 10mNonstop

    19:25

    $163 USD

    Jeju Air 7C 5204 · seen Nov 9

  8. TueNov 17

    15:15

    3h 10mNonstop

    19:25

    $168 USD

    Jeju Air 7C 5204 · seen Nov 10

  9. ThuNov 19

    15:15

    3h 10mNonstop

    19:25

    $170 USD

    Jeju Air 7C 5204 · seen Nov 10

  10. TueDec 22

    15:15

    3h 10mNonstop

    19:25

    $170 USD

    Jeju Air 7C 5204 · seen Nov 5

Show 47 more fares
  1. ThuDec 10

    15:15

    3h 10mNonstop

    19:25

    $171 USD

    Jeju Air 7C 5204 · seen Nov 9

  2. SunJan 24

    15:15

    3h 10mNonstop

    19:25

    $172 USD

    Jeju Air 7C 5204 · seen Nov 8

  3. TueDec 1

    15:15

    3h 10mNonstop

    19:25

    $174 USD

    Jeju Air 7C 5204 · seen Nov 5

  4. SunDec 6

    15:15

    3h 10mNonstop

    19:25

    $177 USD

    Jeju Air 7C 5204 · seen Nov 9

  5. SunNov 29

    15:15

    3h 10mNonstop

    19:25

    $178 USD

    Jeju Air 7C 5204 · seen Nov 9

  6. SunNov 22

    15:15

    3h 10mNonstop

    19:25

    $180 USD

    Jeju Air 7C 5204 · seen Nov 10

  7. ThuNov 26

    15:15

    3h 10mNonstop

    19:25

    $181 USD

    Jeju Air 7C 5204 · seen Nov 9

  8. SunJan 10

    15:15

    3h 10mNonstop

    19:25

    $181 USD

    Jeju Air 7C 5204 · seen Nov 10

  9. ThuDec 17

    15:15

    3h 10mNonstop

    19:25

    $182 USD

    Jeju Air 7C 5204 · seen Nov 9

  10. TueJan 12

    15:15

    3h 10mNonstop

    19:25

    $182 USD

    Jeju Air 7C 5204 · seen Nov 8

  11. SunJan 17

    15:15

    3h 10mNonstop

    19:25

    $182 USD

    Jeju Air 7C 5204 · seen Nov 10

  12. SunJan 31

    15:15

    3h 10mNonstop

    19:25

    $183 USD

    Jeju Air 7C 5204 · seen Nov 9

  13. ThuNov 12

    00:25

    3h 10mNonstop

    04:35

    $187 USD

    Asiana OZ 568 · seen Nov 10

  14. SunNov 15

    00:25

    3h 10mNonstop

    04:35

    $190 USD

    Asiana OZ 568 · seen Nov 10

  15. FriNov 13

    12:25

    3h 5mNonstop

    16:30

    $205 USD

    Korean Air KE 2044 · seen Nov 10

  16. WedJan 20

    12:25

    3h 5mNonstop

    16:30

    $205 USD

    Korean Air KE 2044 · seen Nov 7

  17. SatJan 16

    12:25

    3h 5mNonstop

    16:30

    $206 USD

    Korean Air KE 2044 · seen Nov 5

  18. ThuDec 24

    15:15

    3h 10mNonstop

    19:25

    $210 USD

    Jeju Air 7C 5204 · seen Nov 5

  19. SunDec 27

    00:25

    3h 10mNonstop

    04:35

    $214 USD

    Asiana OZ 568 · seen Nov 10

  20. MonNov 23

    12:25

    3h 5mNonstop

    16:30

    $217 USD

    Korean Air KE 2044 · seen Nov 10

  21. FriJan 15

    12:25

    3h 5mNonstop

    16:30

    $217 USD

    Korean Air KE 2044 · seen Nov 8

  22. MonJan 18

    12:25

    3h 5mNonstop

    16:30

    $218 USD

    Korean Air KE 2044 · seen Nov 10

  23. WedNov 11

    12:25

    3h 5mNonstop

    16:30

    $219 USD

    Korean Air KE 2044 · seen Nov 10

  24. WedNov 18

    12:25

    3h 5mNonstop

    16:30

    $219 USD

    Korean Air KE 2044 · seen Nov 10

  25. SatNov 21

    12:25

    3h 5mNonstop

    16:30

    $219 USD

    Korean Air KE 2044 · seen Nov 10

  26. WedJan 27

    12:25

    3h 5mNonstop

    16:30

    $219 USD

    Korean Air KE 2044 · seen Nov 9

  27. FriNov 27

    12:25

    3h 5mNonstop

    16:30

    $220 USD

    Korean Air KE 2044 · seen Nov 9

  28. FriDec 4

    12:25

    3h 5mNonstop

    16:30

    $220 USD

    Korean Air KE 2044 · seen Nov 10

  29. MonDec 7

    07:45

    3h 20mNonstop

    12:05

    $228 USD

    OM301 · seen Nov 10

  30. SatNov 14

    18:20

    3h 20mNonstop

    22:40

    $228 USD

    OM307 · seen Nov 10

  31. ThuDec 31

    18:20

    3h 20mNonstop

    22:40

    $228 USD

    OM307 · seen Nov 10

  32. SatJan 9

    12:15

    3hNonstop

    16:15

    $229 USD

    M0601 · seen Nov 8

  33. ThuJan 7

    12:30

    3h 5mNonstop

    16:35

    $229 USD

    M0601 · seen Nov 8

  34. MonNov 16

    12:30

    3h 5mNonstop

    16:35

    $230 USD

    M0601 · seen Nov 10

  35. WedDec 16

    11:50

    9h 5m1 stop

    21:55

    $230 USD

    Air China CA 902 · seen Nov 10

  36. FriDec 11

    07:45

    3h 20mNonstop

    12:05

    $231 USD

    OM301 · seen Nov 6

  37. MonJan 11

    12:25

    3h 5mNonstop

    16:30

    $237 USD

    Korean Air KE 2044 · seen Nov 8

  38. MonDec 14

    16:10

    18h 30m1 stop

    11:40+1

    $240 USD

    Air China CA 956 · seen Nov 9

  39. WedNov 25

    12:25

    3h 5mNonstop

    16:30

    $242 USD

    Korean Air KE 2044 · seen Nov 8

  40. WedDec 30

    11:50

    9h 5m1 stop

    21:55

    $244 USD

    Air China CA 902 · seen Nov 6

  41. WedJan 6

    12:15

    3hNonstop

    16:15

    $249 USD

    M0601 · seen Nov 8

  42. MonDec 14

    07:45

    3h 20mNonstop

    12:05

    $250 USD

    OM301 · seen Nov 9

  43. WedDec 16

    12:15

    3hNonstop

    16:15

    $259 USD

    M0601 · seen Nov 10

  44. MonJan 4

    12:30

    3h 5mNonstop

    16:35

    $264 USD

    M0601 · seen Nov 7

  45. WedDec 30

    12:15

    3hNonstop

    16:15

    $265 USD

    M0601 · seen Nov 6

  46. SatJan 2

    18:20

    3h 20mNonstop

    22:40

    $265 USD

    OM307 · seen Nov 9

  47. FriDec 18

    07:45

    3h 20mNonstop

    12:05

    $283 USD

    OM301 · seen Nov 4

The cheapest round trips we've seen on this route, on any dates, cheapest first.

We may earn a commission from the seller · How we rank

  1. 3 nightsDec 10–13

    15:15

    19:25

    Cheapest$308 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 6

  2. 7 nightsDec 8–15

    15:15

    19:25

    $325 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  3. 7 nightsDec 10–17

    15:15

    19:25

    $327 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 7

  4. 5 nightsDec 10–15

    15:15

    19:25

    $335 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  5. 7 nightsDec 3–10

    15:15

    19:25

    $337 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  6. 29 nightsJan 24 – Feb 22

    00:25

    04:35

    $342 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 5

  7. 22 nightsJan 31 – Feb 22

    00:25

    04:35

    $342 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 5

  8. 4 nightsDec 10–14

    00:25

    04:35

    $343 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  9. 9 nightsApr 1–10

    00:25

    04:45

    $343 USD

    Asiana OZ 568 · Nonstop · 7h 5m in all, both ways · seen Nov 7

  10. 5 nightsJan 19–24

    15:15

    19:25

    $355 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

Show 187 more fares
  1. 11 nightsDec 8–19

    00:25

    04:35

    $357 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 6

  2. 9 nightsDec 10–19

    00:25

    04:35

    $357 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 6

  3. 7 nightsNov 24 – Dec 1

    15:15

    19:25

    $358 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  4. 22 nightsFeb 7 – Mar 1

    00:25

    04:35

    $358 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 5

  5. 11 nightsNov 17–28

    00:25

    04:35

    $360 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 9

  6. 17 nightsMay 18 – Jun 4

    00:25

    04:45

    $361 USD

    Asiana OZ 568 · Nonstop · 7h 5m in all, both ways · seen Nov 7

  7. 9 nightsNov 19–28

    00:25

    04:35

    $362 USD

    Asiana OZ 5512 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  8. 14 nightsNov 22 – Dec 6

    15:15

    19:25

    $364 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  9. 7 nightsDec 1–8

    15:15

    19:25

    $365 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 9

  10. 7 nightsJan 19–26

    15:15

    19:25

    $370 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  11. 6 nightsDec 7–13

    12:25

    16:30

    $373 USD

    Korean Air KE 2044 · Nonstop · 6h 50m in all, both ways · seen Nov 6

  12. 11 nightsMar 21 – Apr 1

    12:25

    16:30

    $377 USD

    Korean Air KE 2044 · Nonstop · 6h 40m in all, both ways · seen Nov 7

  13. 4 nightsNov 18–22

    12:25

    16:30

    $377 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 9

  14. 5 nightsDec 9–14

    12:25

    16:30

    $377 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 8

  15. 6 nightsDec 10–16

    12:25

    16:30

    $377 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  16. 11 nightsApr 7–18

    13:00

    17:10

    $377 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 8

  17. 4 nightsJan 17–21

    15:15

    19:25

    $377 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  18. 7 nightsJan 17–24

    15:15

    19:25

    $377 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  19. 5 nightsNov 30 – Dec 5

    12:25

    16:30

    $378 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 8

  20. 5 nightsMar 28 – Apr 2

    13:00

    17:10

    $378 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 9

  21. 7 nightsNov 26 – Dec 3

    12:25

    16:30

    $379 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  22. 8 nightsNov 12–20

    12:25

    16:30

    $380 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  23. 7 nightsNov 21–28

    12:25

    16:30

    $380 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 9

  24. 7 nightsNov 22–29

    12:25

    16:30

    $381 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  25. 8 nightsApr 1–9

    13:00

    17:10

    $381 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 4

  26. 7 nightsApr 2–9

    13:00

    17:10

    $381 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  27. 10 nightsApr 5–15

    13:00

    17:10

    $381 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  28. 5 nightsDec 22–27

    15:15

    19:25

    $381 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 4

  29. 7 nightsMar 27 – Apr 3

    12:25

    16:30

    $382 USD

    Korean Air KE 2044 · Nonstop · 6h 40m in all, both ways · seen Nov 10

  30. 12 nightsNov 27 – Dec 9

    12:25

    16:30

    $382 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  31. 6 nightsMar 29 – Apr 4

    13:00

    17:10

    $382 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 4

  32. 10 nightsMar 29 – Apr 8

    13:00

    17:10

    $384 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 5

  33. 4 nightsApr 5–9

    13:00

    17:10

    $384 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 5

  34. 7 nightsDec 9–16

    12:25

    16:30

    $386 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  35. 13 nightsNov 15–28

    00:25

    04:35

    $387 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  36. 20 nightsFeb 2–22

    00:25

    04:35

    $387 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 5

  37. 1 nightFeb 10–11

    12:15

    16:15

    $388 USD

    M0601 · Nonstop · 6h 15m in all, both ways · seen Nov 8

  38. 14 nightsJan 14–28

    12:30

    16:35

    $388 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 7

  39. 7 nightsFeb 8–15

    12:30

    16:35

    $388 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 8

  40. 6 nightsFeb 9–15

    00:25

    04:35

    $388 USD

    Asiana OZ 568 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  41. 22 nightsFeb 3–25

    12:15

    16:15

    $389 USD

    M0601 · Nonstop · 6h 15m in all, both ways · seen Nov 5

  42. 5 nightsFeb 27 – Mar 4

    12:25

    16:30

    $391 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  43. 7 nightsFeb 27 – Mar 6

    12:25

    16:30

    $391 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  44. 4 nightsDec 17–21

    12:30

    16:35

    $392 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 4

  45. 21 nightsFeb 1–22

    12:30

    16:35

    $392 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 5

  46. 25 nightsFeb 4 – Mar 1

    12:30

    16:35

    $392 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 5

  47. 4 nightsFeb 25 – Mar 1

    12:30

    16:35

    $392 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 5

  48. 14 nightsMar 10–24

    12:15

    16:15

    $392 USD

    M0601 · Nonstop · 6h 30m in all, both ways · seen Nov 5

  49. 20 nightsFeb 4–24

    12:30

    16:35

    $392 USD

    M0601 · Nonstop · 6h 35m in all, both ways · seen Nov 5

  50. 9 nightsMar 22–31

    12:25

    16:30

    $392 USD

    Korean Air KE 2044 · Nonstop · 6h 40m in all, both ways · seen Nov 7

  51. 13 nightsMar 22 – Apr 4

    12:25

    16:30

    $392 USD

    Korean Air KE 2044 · Nonstop · 6h 40m in all, both ways · seen Nov 8

  52. 7 nightsFeb 25 – Mar 4

    12:25

    16:30

    $392 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  53. 9 nightsFeb 25 – Mar 6

    12:25

    16:30

    $393 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  54. 8 nightsMar 15–23

    12:25

    16:30

    $394 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 4

  55. 6 nightsDec 9–15

    12:25

    16:30

    $395 USD

    Korean Air KE 2044 · Nonstop · 6h 50m in all, both ways · seen Nov 10

  56. 5 nightsNov 17–22

    00:25

    04:35

    $395 USD

    Asiana OZ 5512 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  57. 17 nightsJan 14–31

    15:15

    19:25

    $396 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  58. 7 nightsFeb 7–14

    07:45

    12:05

    $396 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  59. 9 nightsFeb 9–18

    07:45

    12:05

    $396 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 4

  60. 4 nightsFeb 10–14

    07:45

    12:05

    $396 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  61. 14 nightsFeb 13–27

    07:45

    12:05

    $396 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  62. 10 nightsFeb 4–14

    18:20

    22:40

    $396 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  63. 6 nightsFeb 27 – Mar 5

    18:20

    22:40

    $396 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 7

  64. 23 nightsJan 19 – Feb 11

    15:15

    19:25

    $397 USD

    Jeju Air 7C 5204 · Nonstop · 6h 25m in all, both ways · seen Nov 6

  65. 7 nightsMar 6–13

    07:45

    12:05

    $397 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  66. 9 nightsNov 17–26

    18:20

    22:40

    $397 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  67. 8 nightsMar 5–13

    18:20

    22:40

    $397 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  68. 14 nightsFeb 27 – Mar 13

    12:25

    16:30

    $398 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 4

  69. 8 nightsJun 6–14

    18:15

    22:25

    $398 USD

    OM307 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  70. 8 nightsJun 7–15

    18:15

    22:25

    $398 USD

    OM307 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  71. 9 nightsOct 16–25

    18:15

    22:25

    $398 USD

    OM307 · Nonstop · 6h 50m in all, both ways · seen Nov 6

  72. 7 nightsJun 7–14

    20:30

    00:40+1

    $398 USD

    OM309 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  73. 7 nightsJun 8–15

    20:30

    00:40+1

    $398 USD

    OM309 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  74. 21 nightsDec 22 – Jan 12

    15:15

    19:25

    $398 USD

    Jeju Air 7C 9890 · Nonstop · 6h 55m in all, both ways · seen Nov 4

  75. 4 nightsMar 19–23

    18:20

    22:40

    $398 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  76. 2 nightsMar 20–22

    18:20

    22:40

    $398 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  77. 3 nightsMar 21–24

    18:20

    22:40

    $398 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  78. 5 nightsMay 3–8

    08:40

    12:50

    $399 USD

    OM301 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  79. 6 nightsJun 2–8

    18:15

    22:25

    $399 USD

    OM307 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  80. 8 nightsNov 24 – Dec 2

    15:15

    19:25

    $399 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  81. 22 nightsFeb 5–27

    12:25

    16:30

    $400 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 5

  82. 22 nightsFeb 6–28

    12:25

    16:30

    $400 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 5

  83. 13 nightsNov 17–30

    00:25

    04:35

    $400 USD

    Asiana OZ 5512 · Nonstop · 6h 50m in all, both ways · seen Nov 10

  84. Same dayNov 22

    00:25

    04:35

    $400 USD

    Asiana OZ 568 · Nonstop · 6h 50m in all, both ways · seen Nov 9

  85. 10 nightsNov 20–30

    12:25

    16:30

    $401 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 10

  86. 5 nightsJan 14–19

    15:15

    19:25

    $401 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 6

  87. 4 nightsFeb 19–23

    07:45

    12:05

    $401 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 5

  88. 10 nightsFeb 9–19

    18:20

    22:40

    $401 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 4

  89. 6 nightsMar 6–12

    18:20

    22:40

    $401 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 4

  90. 3 nightsDec 14–17

    12:30

    16:35

    $402 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 9

  91. 9 nightsOct 18–27

    08:40

    12:50

    $402 USD

    OM301 · Nonstop · 6h 50m in all, both ways · seen Nov 10

  92. 14 nightsMar 7–21

    07:45

    12:05

    $402 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  93. 23 nightsJan 21 – Feb 13

    18:20

    22:40

    $402 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 4

  94. 23 nightsJan 22 – Feb 14

    18:20

    22:40

    $402 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 4

  95. 22 nightsJan 30 – Feb 21

    18:20

    22:40

    $402 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 5

  96. 22 nightsFeb 1–23

    18:20

    22:40

    $402 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 5

  97. 22 nightsFeb 4–26

    18:20

    22:40

    $402 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 5

  98. 10 nightsDec 9–19

    12:15

    16:15

    $403 USD

    M0601 · Nonstop · 6h 30m in all, both ways · seen Nov 6

  99. 1 nightDec 14–15

    12:30

    16:35

    $403 USD

    M0601 · Nonstop · 6h 50m in all, both ways · seen Nov 7

  100. 7 nightsDec 12–19

    12:15

    16:15

    $404 USD

    M0601 · Nonstop · 6h 30m in all, both ways · seen Nov 6

  101. 12 nightsDec 7–19

    12:30

    16:35

    $404 USD

    M0601 · Nonstop · 6h 35m in all, both ways · seen Nov 6

  102. 6 nightsDec 12–18

    12:25

    16:30

    $404 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 6

  103. Same dayDec 17

    15:15

    19:25

    $406 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 7

  104. 6 nightsFeb 26 – Mar 4

    12:25

    16:30

    $407 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  105. 8 nightsFeb 26 – Mar 6

    12:25

    16:30

    $407 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 7

  106. 7 nightsDec 22–29

    15:15

    19:25

    $407 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 4

  107. 7 nightsJan 20–27

    12:15

    16:15

    $409 USD

    M0601 · Nonstop · 6h 30m in all, both ways · seen Nov 10

  108. 15 nightsDec 3–18

    15:15

    19:25

    $410 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 5

  109. 7 nightsDec 11–18

    07:45

    12:05

    $411 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 6

  110. 8 nightsFeb 25 – Mar 5

    07:45

    12:05

    $411 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 7

  111. 7 nightsFeb 26 – Mar 5

    07:45

    12:05

    $411 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 7

  112. 4 nightsDec 31 – Jan 4

    18:20

    22:40

    $411 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  113. 5 nightsDec 31 – Jan 5

    18:20

    22:40

    $411 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  114. 9 nightsAug 17–26

    08:40

    12:50

    $412 USD

    OM301 · Nonstop · 6h 50m in all, both ways · seen Nov 6

  115. 15 nightsMar 10–25

    12:15

    16:15

    $413 USD

    M0601 · Nonstop · 6h 15m in all, both ways · seen Nov 10

  116. 25 nightsJun 7 – Jul 2

    11:05

    15:05

    $415 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 7

  117. 6 nightsDec 30 – Jan 5

    11:50

    ICN

    $416 USD

    Air China CA 902 · 2 stops · 31h 35m in all, both ways · seen Nov 8

  118. 3 nightsDec 18–21

    16:10

    ICN

    $416 USD

    Air China CA 956 · 2 stops · 41h 35m in all, both ways · seen Nov 6

  119. 7 nightsDec 28 – Jan 4

    16:10

    ICN

    $416 USD

    Air China CA 956 · 2 stops · 50h 15m in all, both ways · seen Nov 8

  120. 7 nightsDec 31 – Jan 7

    15:15

    19:25

    $417 USD

    Jeju Air 7C 5204 · Nonstop · 6h 25m in all, both ways · seen Nov 7

  121. 7 nightsDec 23–30

    12:15

    16:15

    $417 USD

    M0601 · Nonstop · 6h 30m in all, both ways · seen Nov 4

  122. 12 nightsDec 24 – Jan 5

    15:15

    19:25

    $417 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  123. 22 nightsFeb 2–24

    07:45

    12:05

    $417 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 5

  124. 21 nightsOct 4–25

    11:05

    15:05

    $418 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 10

  125. 7 nightsAug 23–30

    11:05

    15:05

    $419 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 10

  126. 13 nightsJul 24 – Aug 6

    11:05

    15:05

    $421 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 10

  127. 25 nightsAug 2–27

    11:05

    15:05

    $423 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 7

  128. 17 nightsJan 4–21

    12:30

    16:35

    $427 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 10

  129. 35 nightsJul 9 – Aug 13

    11:05

    15:05

    $429 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 7

  130. 13 nightsDec 31 – Jan 13

    12:30

    16:35

    $430 USD

    M0601 · Nonstop · 6h 35m in all, both ways · seen Nov 8

  131. 2 nightsDec 19–21

    18:20

    22:40

    $430 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 6

  132. 21 nightsAug 22 – Sep 12

    11:05

    15:05

    $432 USD

    M0601 · Nonstop · 6h in all, both ways · seen Nov 6

  133. 33 nightsDec 29 – Jan 31

    18:20

    22:40

    $432 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 4

  134. Same dayDec 14

    12:25

    16:30

    $436 USD

    Korean Air KE 2044 · Nonstop · 6h 50m in all, both ways · seen Nov 7

  135. 4 nightsMar 22–26

    12:25

    16:30

    $439 USD

    Korean Air KE 2044 · Nonstop · 6h 45m in all, both ways · seen Nov 9

  136. 9 nightsApr 4–13

    08:40

    12:50

    $443 USD

    OM301 · Nonstop · 6h 50m in all, both ways · seen Nov 6

  137. 28 nightsDec 12 – Jan 9

    07:45

    12:05

    $443 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 6

  138. 9 nightsDec 31 – Jan 9

    18:20

    22:40

    $443 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  139. 3 nightsDec 18–21

    07:45

    12:05

    $444 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 6

  140. 8 nightsDec 21–29

    18:20

    22:40

    $444 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 6

  141. 9 nightsJan 2–11

    12:15

    16:15

    $451 USD

    M0601 · Nonstop · 6h 15m in all, both ways · seen Nov 6

  142. 13 nightsDec 27 – Jan 9

    15:15

    19:25

    $453 USD

    Jeju Air 7C 5204 · Nonstop · 6h 40m in all, both ways · seen Nov 8

  143. 18 nightsDec 30 – Jan 17

    11:50

    ICN

    $453 USD

    Air China CA 902 · 2 stops · 22h 50m in all, both ways · seen Nov 8

  144. 8 nightsDec 29 – Jan 6

    16:10

    ICN

    $453 USD

    Air China CA 956 · 2 stops · 36h 40m in all, both ways · seen Nov 7

  145. 6 nightsDec 30 – Jan 5

    07:45

    12:05

    $456 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  146. 7 nightsDec 28 – Jan 4

    18:20

    22:40

    $456 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  147. 3 nightsJan 1–4

    18:20

    22:40

    $456 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  148. 7 nightsJan 2–9

    18:20

    22:40

    $456 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  149. 10 nightsJan 2–12

    18:20

    22:40

    $459 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  150. 10 nightsDec 20–30

    00:25

    04:35

    $460 USD

    Asiana OZ 568 · Nonstop · 6h 40m in all, both ways · seen Nov 10

  151. 19 nightsDec 21 – Jan 9

    12:30

    16:35

    $463 USD

    M0601 · Nonstop · 6h 35m in all, both ways · seen Nov 8

  152. 5 nightsJan 2–7

    18:20

    22:40

    $464 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  153. 3 nightsJan 4–7

    12:30

    16:35

    $466 USD

    M0601 · Nonstop · 6h 20m in all, both ways · seen Nov 9

  154. 8 nightsDec 29 – Jan 6

    15:15

    19:25

    $467 USD

    Jeju Air 7C 5204 · Nonstop · 6h 40m in all, both ways · seen Nov 7

  155. 11 nightsDec 29 – Jan 9

    15:15

    19:25

    $468 USD

    Jeju Air 7C 5204 · Nonstop · 6h 40m in all, both ways · seen Nov 9

  156. 24 nightsDec 24 – Jan 17

    15:15

    19:25

    $469 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 9

  157. 9 nightsDec 29 – Jan 7

    15:15

    19:25

    $471 USD

    Jeju Air 7C 5204 · Nonstop · 6h 25m in all, both ways · seen Nov 10

  158. 3 nightsJan 26–29

    18:20

    22:40

    $476 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 6

  159. 12 nightsJul 14–26

    18:15

    22:25

    $477 USD

    OM307 · Nonstop · 6h 50m in all, both ways · seen Nov 8

  160. 17 nightsDec 24 – Jan 10

    15:15

    19:25

    $484 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  161. 15 nightsDec 31 – Jan 15

    18:20

    22:40

    $487 USD

    OM307 · Nonstop · 7h in all, both ways · seen Nov 10

  162. 8 nightsDec 31 – Jan 8

    18:20

    22:40

    $491 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  163. 8 nightsJan 1–9

    07:45

    12:05

    $493 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  164. 6 nightsJan 1–7

    18:20

    22:40

    $494 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 9

  165. 4 nightsJan 2–6

    12:15

    16:15

    $495 USD

    M0601 · Nonstop · 6h 30m in all, both ways · seen Nov 9

  166. 10 nightsJan 12–22

    18:20

    22:40

    $496 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  167. 7 nightsJul 15–22

    08:40

    12:50

    $497 USD

    OM301 · Nonstop · 6h 50m in all, both ways · seen Nov 6

  168. 17 nightsJan 5–22

    16:10

    ICN

    $497 USD

    Air China CA 956 · 2 stops · 36h 40m in all, both ways · seen Nov 10

  169. 12 nightsDec 29 – Jan 10

    15:15

    19:25

    $498 USD

    Jeju Air 7C 5204 · Nonstop · 6h 55m in all, both ways · seen Nov 8

  170. Same dayOct 4

    13:00

    17:10

    $498 USD

    Korean Air KE 2044 · Nonstop · 6h 55m in all, both ways · seen Nov 10

  171. 28 nightsDec 19 – Jan 16

    18:20

    22:40

    $501 USD

    OM307 · Nonstop · 6h 50m in all, both ways · seen Nov 6

  172. 11 nightsDec 30 – Jan 10

    11:50

    ICN

    $508 USD

    Air China CA 902 · 1 stop · 12h 50m in all, both ways · seen Nov 8

  173. 10 nightsJan 5–15

    18:20

    22:40

    $518 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  174. 26 nightsJan 3–29

    18:20

    22:40

    $522 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 7

  175. 18 nightsDec 30 – Jan 17

    12:15

    16:15

    $529 USD

    M0601 · Nonstop · 6h 45m in all, both ways · seen Nov 8

  176. 11 nightsDec 30 – Jan 10

    12:15

    16:15

    $530 USD

    M0601 · Nonstop · 6h 45m in all, both ways · seen Nov 8

  177. 15 nightsJan 2–17

    18:20

    22:40

    $532 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  178. 10 nightsDec 29 – Jan 8

    18:20

    22:40

    $533 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 8

  179. 15 nightsDec 26 – Jan 10

    16:10

    ICN

    $533 USD

    Air China CA 956 · 1 stop · 31h 30m in all, both ways · seen Nov 9

  180. 17 nightsJan 5–22

    18:20

    22:40

    $536 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  181. 11 nightsDec 28 – Jan 8

    16:10

    ICN

    $538 USD

    Air China CA 956 · 2 stops · 41h 30m in all, both ways · seen Nov 5

  182. 16 nightsDec 25 – Jan 10

    16:10

    ICN

    $545 USD

    Air China CA 956 · 1 stop · 22h 15m in all, both ways · seen Nov 9

  183. 7 nightsJan 1–8

    18:20

    22:40

    $548 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  184. 9 nightsJan 1–10

    18:20

    22:40

    $548 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 10

  185. 11 nightsDec 28 – Jan 8

    18:20

    22:40

    $550 USD

    OM307 · Nonstop · 7h 5m in all, both ways · seen Nov 5

  186. 15 nightsDec 26 – Jan 10

    12:15

    16:15

    $553 USD

    M0601 · Nonstop · 6h 45m in all, both ways · seen Nov 9

  187. 16 nightsDec 25 – Jan 10

    07:45

    12:05

    $578 USD

    OM301 · Nonstop · 7h 5m in all, both ways · seen Nov 9

Compared with Ulaanbaatar → Seoul: $155 one way (Jan 19).

Airlines seen on this route

  • Jeju Air
  • Air China
  • Korean Air
  • M0
  • OM
  • Asiana

Marketing carriers; the operating airline is shown by the seller.

Ulaanbaatar to Seoul in numbers

  • By month, Jan 2027 is the cheapest we've seen at $155 USD and Aug 2027 the most expensive at $248 USD — a spread of 60%.
  • Nonstop fares were seen on 54 of the 54 departure dates; carriers seen: Jeju Air, Air China, Korean Air, M0, OM, Asiana.
  • UBN serves Ulaanbaatar, Mongolia; ICN serves Seoul, South Korea.
  • Seoul runs 1 hour ahead of Ulaanbaatar.

Questions

What is the cheapest fare from Ulaanbaatar (UBN) to Seoul (ICN)?

The cheapest one-way fare from Ulaanbaatar (UBN) to Seoul (ICN) we have seen is $155 USD, departing Jan 19, 2027 (seen Nov 7, 2026): Jeju Air 7C 5204, nonstop, 3h 10m.

Is there a nonstop flight from Ulaanbaatar (UBN) to Seoul (ICN)?

Nonstop fares were seen on 54 of the 54 departure dates; carriers seen: Jeju Air, Air China, Korean Air, M0, OM, Asiana.

Which month is cheapest to fly from Ulaanbaatar (UBN) to Seoul (ICN)?

By month, Jan 2027 is the cheapest we've seen at $155 USD and Aug 2027 the most expensive at $248 USD — a spread of 60%.

How old is this price?

It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.