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prices we've seen · United States fares · USD

Flights from Jeju (CJU) to Seoul (ICN)

  • One way from $30
  • Round trip from $463
  • Nonstop on 27 of 59 dates
  • Fastest 1h 10m
  • 7 airlines

The cheapest one-way fare from Jeju (CJU) to Seoul (ICN) we have seen is $30 USD, departing Dec 10, 2026 (seen Nov 8, 2026): Jeju Air 7C 168, nonstop, 1h 15m.

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Cheapest · One wayseen Nov 8

$30 USD

Jeju Air 7C 168 · Dec 10 · Nonstop · 1h 15m

A typical day on this route: $192

Continue on the seller's site — $30

Cheapest round tripseen Nov 8

$463 USD

China Eastern MU 5060 · Jan 2 → Jan 8 · 2 stops · 23h 10m in all, both ways

Continue on the seller's site — $463

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.

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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$37
  2. Dec 2026$30
  3. Jan 2027$55
  4. Feb 2027$77
  5. Mar 2027$62
  6. Apr 2027$210
  7. May 2027$228
  8. Jun 2027$264
  9. Jul 2027$299
  10. Aug 2027$233
  11. Sep 2027$196
  12. Oct 2027$256

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. ThuDec 10

    17:50

    1h 15mNonstop

    19:05

    Cheapest$30 USD

    Jeju Air 7C 168 · seen Nov 8

    Go to seller — $30

  2. WedDec 2

    16:20

    1h 10mNonstop

    17:30

    $33 USD

    Jeju Air 7C 166 · seen Nov 9

    Go to seller — $33

  3. WedDec 9

    16:20

    1h 10mNonstop

    17:30

    $34 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $34

  4. WedNov 11

    16:20

    1h 10mNonstop

    17:30

    $37 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $37

  5. WedNov 25

    16:20

    1h 10mNonstop

    17:30

    $38 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $38

  6. WedNov 18

    16:20

    1h 10mNonstop

    17:30

    $41 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $41

  7. WedDec 16

    16:20

    1h 10mNonstop

    17:30

    $41 USD

    Jeju Air 7C 166 · seen Nov 8

    Go to seller — $41

  8. FriDec 4

    16:20

    1h 10mNonstop

    17:30

    $42 USD

    Jeju Air 7C 166 · seen Nov 4

    Go to seller — $42

  9. FriDec 11

    16:20

    1h 10mNonstop

    17:30

    $46 USD

    Jeju Air 7C 166 · seen Nov 6

    Go to seller — $46

  10. MonDec 7

    16:20

    1h 10mNonstop

    17:30

    $51 USD

    Jeju Air 7C 166 · seen Nov 5

    Go to seller — $51
Show 49 more fares

  1. WedJan 6

    16:20

    1h 10mNonstop

    17:30

    $55 USD

    Jeju Air 7C 166 · seen Nov 9

    Go to seller — $55

  2. FriDec 18

    16:20

    1h 10mNonstop

    17:30

    $56 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $56

  3. MonDec 21

    16:20

    1h 10mNonstop

    17:30

    $58 USD

    Jeju Air 7C 166 · seen Nov 5

    Go to seller — $58

  4. MonDec 14

    16:20

    1h 10mNonstop

    17:30

    $63 USD

    Jeju Air 7C 166 · seen Nov 8

    Go to seller — $63

  5. MonJan 25

    16:20

    1h 10mNonstop

    17:30

    $64 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $64

  6. FriNov 27

    16:20

    1h 10mNonstop

    17:30

    $65 USD

    Jeju Air 7C 166 · seen Nov 8

    Go to seller — $65

  7. MonJan 18

    16:20

    1h 10mNonstop

    17:30

    $66 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $66

  8. FriJan 15

    16:20

    1h 10mNonstop

    17:30

    $69 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $69

  9. WedDec 30

    16:20

    1h 10mNonstop

    17:30

    $76 USD

    Jeju Air 7C 166 · seen Nov 10

    Go to seller — $76

  10. MonNov 23

    16:20

    1h 10mNonstop

    17:30

    $77 USD

    Jeju Air 7C 166 · seen Nov 9

    Go to seller — $77

  11. MonDec 28

    16:20

    1h 10mNonstop

    17:30

    $78 USD

    Jeju Air 7C 166 · seen Nov 9

    Go to seller — $78

  12. FriNov 20

    16:20

    1h 10mNonstop

    17:30

    $87 USD

    Jeju Air 7C 166 · seen Nov 8

    Go to seller — $87

  13. FriJan 1

    16:20

    1h 10mNonstop

    17:30

    $103 USD

    Jeju Air 7C 166 · seen Nov 8

    Go to seller — $103

  14. MonJan 4

    16:20

    1h 10mNonstop

    17:30

    $103 USD

    Jeju Air 7C 166 · seen Nov 8

    Go to seller — $103

  15. SunNov 29

    19:20

    1h 10mNonstop

    20:30

    $103 USD

    Jeju Air 7C 168 · seen Nov 8

    Go to seller — $103

  16. SunDec 6

    19:20

    1h 10mNonstop

    20:30

    $103 USD

    Jeju Air 7C 168 · seen Nov 6

    Go to seller — $103

  17. FriDec 25

    16:20

    1h 10mNonstop

    17:30

    $104 USD

    Jeju Air 7C 166 · seen Nov 9

    Go to seller — $104

  18. ThuDec 3

    07:50

    8h 50m1 stop

    16:40

    $189 USD

    Spring Airlines 9C 8574 · seen Nov 9

    Go to seller — $189

  19. ThuDec 17

    07:50

    8h 50m1 stop

    16:40

    $190 USD

    Spring Airlines 9C 8574 · seen Nov 7

    Go to seller — $190

  20. TueDec 8

    11:00

    12h 30m1 stop

    23:30

    $192 USD

    Tigerair Taiwan IT 655 · seen Nov 9

    Go to seller — $192

  21. FriNov 13

    20:20

    25h 55m1 stop

    22:15+1

    $200 USD

    Tigerair Taiwan IT 633 · seen Nov 10

    Go to seller — $200

  22. SatDec 12

    10:10

    13h 20m1 stop

    23:30

    $201 USD

    Tigerair Taiwan IT 655 · seen Nov 8

    Go to seller — $201

  23. TueDec 15

    07:50

    8h 50m1 stop

    16:40

    $206 USD

    Spring Airlines 9C 8574 · seen Nov 9

    Go to seller — $206

  24. TueNov 17

    11:00

    12h 30m1 stop

    23:30

    $212 USD

    Tigerair Taiwan IT 655 · seen Nov 9

    Go to seller — $212

  25. TueDec 1

    13:50

    22h 5m1 stop

    11:55+1

    $213 USD

    China Eastern MU 5060 · seen Nov 6

    Go to seller — $213

  26. ThuJan 7

    07:55

    10h 15m1 stop

    18:10

    $214 USD

    Spring Airlines 9C 6150 · seen Nov 5

    Go to seller — $214

  27. SatDec 19

    10:10

    13h 20m1 stop

    23:30

    $214 USD

    Tigerair Taiwan IT 655 · seen Nov 9

    Go to seller — $214

  28. SatJan 9

    07:55

    10h 15m1 stop

    18:10

    $216 USD

    Spring Airlines 9C 6150 · seen Nov 8

    Go to seller — $216

  29. TueDec 22

    12:40

    25h 40m1 stop

    14:20+1

    $219 USD

    T'way Air TW 227 · seen Nov 7

    Go to seller — $219

  30. SatNov 28

    10:10

    11h 30m1 stop

    21:40

    $224 USD

    Tigerair Taiwan IT 655 · seen Nov 8

    Go to seller — $224

  31. ThuJan 21

    07:50

    8h 50m1 stop

    16:40

    $228 USD

    Spring Airlines 9C 8574 · seen Nov 5

    Go to seller — $228

  32. TueNov 24

    22:10

    13h 30m1 stop

    11:40+1

    $228 USD

    Jin Air LJ 953 · seen Nov 9

    Go to seller — $228

  33. ThuNov 12

    07:10

    25h 40m2 stops

    08:50+1

    $233 USD

    Jin Air LJ 7572 · seen Nov 10

    Go to seller — $233

  34. ThuNov 26

    18:55

    17h1 stop

    11:55+1

    $239 USD

    China Eastern MU 5028 · seen Nov 8

    Go to seller — $239

  35. TueDec 29

    07:50

    8h 50m1 stop

    16:40

    $241 USD

    Spring Airlines 9C 8574 · seen Nov 9

    Go to seller — $241

  36. TueJan 5

    07:50

    8h 50m1 stop

    16:40

    $242 USD

    Spring Airlines 9C 8574 · seen Nov 8

    Go to seller — $242

  37. ThuNov 19

    12:20

    7h 15m1 stop

    19:35

    $249 USD

    Spring Airlines 9C 7588 · seen Nov 9

    Go to seller — $249

  38. SunJan 17

    10:00

    6h 40m1 stop

    16:40

    $254 USD

    Spring Airlines 9C 8576 · seen Nov 10

    Go to seller — $254

  39. SatNov 21

    11:15

    9h 30m1 stop

    20:45

    $256 USD

    Tigerair Taiwan IT 675 · seen Nov 10

    Go to seller — $256

  40. SunDec 13

    08:40

    37h 25m2 stops

    22:05+1

    $260 USD

    Eastar Jet ZE 712 · seen Nov 8

    Go to seller — $260

  41. SatNov 14

    10:10

    11h 30m1 stop

    21:40

    $265 USD

    Tigerair Taiwan IT 655 · seen Nov 10

    Go to seller — $265

  42. SatDec 26

    18:55

    17h1 stop

    11:55+1

    $267 USD

    China Eastern MU 5028 · seen Nov 9

    Go to seller — $267

  43. SunJan 24

    07:55

    10h 15m1 stop

    18:10

    $268 USD

    Spring Airlines 9C 6150 · seen Nov 10

    Go to seller — $268

  44. SunNov 15

    07:10

    25h 55m2 stops

    09:05+1

    $276 USD

    Jin Air LJ 7572 · seen Nov 10

    Go to seller — $276

  45. SunJan 3

    12:40

    25h 40m1 stop

    14:20+1

    $282 USD

    T'way Air TW 227 · seen Nov 8

    Go to seller — $282

  46. ThuDec 24

    12:40

    9h 25m1 stop

    22:05

    $293 USD

    T'way Air TW 227 · seen Nov 6

    Go to seller — $293

  47. SunDec 27

    11:40

    10h 30m1 stop

    22:10

    $306 USD

    Jeju Air 7C 8135 · seen Nov 9

    Go to seller — $306

  48. SatJan 2

    13:50

    6h 55m1 stop

    20:45

    $342 USD

    China Eastern MU 5060 · seen Nov 8

    Go to seller — $342

  49. SunNov 22

    13:50

    22h 5m1 stop

    11:55+1

    $369 USD

    China Eastern MU 5060 · seen Nov 9

    Go to seller — $369

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. 6 nightsJan 2–8

    13:50

    ICN

    Cheapest$463 USD

    China Eastern MU 5060 · 2 stops · 23h 10m in all, both ways · seen Nov 8

    Go to seller — $463

  2. 10 nightsApr 30 – May 10

    22:40

    ICN

    $529 USD

    Eastar Jet ZE 885 · 2 stops · 30h 10m in all, both ways · seen Nov 7

    Go to seller — $529

Compare other routes

Compared with Jeju → Seoul: $30 one way (Dec 10).

The way back

Other places from Jeju

Every route from Jeju →

To Seoul from other cities

Every route to Seoul →

Airlines seen on this route

  • Jeju Air
  • Spring Airlines
  • Tigerair Taiwan
  • Jin Air
  • China Eastern
  • T'way Air
  • Eastar Jet

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

Jeju to Seoul in numbers

  • By month, Dec 2026 is the cheapest we've seen at $30 USD and Jul 2027 the most expensive at $299 USD — a spread of 897%.
  • Nonstop fares were seen on 27 of the 59 departure dates; carriers seen: Jeju Air, Spring Airlines, Tigerair Taiwan, Jin Air, China Eastern, T'way Air, Eastar Jet.
  • CJU serves Jeju, South Korea; ICN serves Seoul, South Korea.
  • Jeju and Seoul keep the same clock.

Questions

What is the cheapest fare from Jeju (CJU) to Seoul (ICN)?

The cheapest one-way fare from Jeju (CJU) to Seoul (ICN) we have seen is $30 USD, departing Dec 10, 2026 (seen Nov 8, 2026): Jeju Air 7C 168, nonstop, 1h 15m.

Is there a nonstop flight from Jeju (CJU) to Seoul (ICN)?

Nonstop fares were seen on 27 of the 59 departure dates; carriers seen: Jeju Air, Spring Airlines, Tigerair Taiwan, Jin Air, China Eastern, T'way Air, Eastar Jet.

Which month is cheapest to fly from Jeju (CJU) to Seoul (ICN)?

By month, Dec 2026 is the cheapest we've seen at $30 USD and Jul 2027 the most expensive at $299 USD — a spread of 897%.

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.