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prices we've seen · United States fares · USD

Flights from Boston (BOS) to Los Angeles (LAX)

  • One way from $139
  • Round trip from $278
  • Nonstop on 5 of 5 dates
  • Fastest 6h 31m
  • 6 airlines

The cheapest one-way fare from Boston (BOS) to Los Angeles (LAX) we have seen is $139 USD, departing Dec 4, 2026 (seen Nov 10, 2026): American Airlines AA 1243, nonstop, 6h 41m.

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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$207
  2. Dec 2026$139
  3. Jan 2027—
  4. Feb 2027$189
  5. Mar 2027—
  6. Apr 2027—
  7. May 2027—
  8. Jun 2027$233

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. FriDec 4

    07:00

    6h 41mNonstop

    10:41

    Cheapest$139 USD

    American Airlines AA 1243 · seen Nov 10

    Go to seller — $139

  2. WedNov 18

    16:33

    20h1 stop

    09:33+1

    $207 USD

    Alaska Airlines AS 358 · seen Nov 8

    Go to seller — $207

  3. WedNov 11

    14:25

    6h 32mNonstop

    17:57

    $209 USD

    American Airlines AA 1032 · seen Nov 10

    Go to seller — $209

  4. WedNov 18

    15:45

    6h 31mNonstop

    19:16

    $211 USD

    JetBlue B6 1187 · seen Nov 8

    Go to seller — $211

  5. ThuNov 19

    17:45

    6h 35mNonstop

    21:20

    $217 USD

    JetBlue B6 687 · seen Nov 9

    Go to seller — $217

  6. TueNov 24

    11:06

    13h 3m1 stop

    21:09

    $217 USD

    Frontier F9 1977 · seen Nov 9

    Go to seller — $217

  7. TueNov 24

    08:25

    6h 38mNonstop

    12:03

    $218 USD

    United UA 360 · seen Nov 9

    Go to seller — $218

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 nightsNov 23–26

    11:06

    LAX

    Cheapest$278 USD

    Frontier F9 1977 · 2 stops · 23h 47m in all, both ways · seen Nov 8

    Go to seller — $278

  2. 38 nightsDec 17 – Jan 24

    07:00

    10:41

    $311 USD

    American Airlines AA 1243 · Nonstop · 12h 10m in all, both ways · seen Nov 4

    Go to seller — $311

  3. 3 nightsDec 3–6

    19:15

    22:53

    $312 USD

    JetBlue B6 787 · 1 stop · 17h 37m in all, both ways · seen Nov 8

    Go to seller — $312

  4. 3 nightsDec 3–6

    06:00

    09:34

    $320 USD

    JetBlue B6 1487 · Nonstop · 12h in all, both ways · seen Nov 8

    Go to seller — $320

  5. 3 nightsNov 23–26

    07:15

    10:50

    $375 USD

    JetBlue B6 287 · Nonstop · 12h 5m in all, both ways · seen Nov 8

    Go to seller — $375

  6. 7 nightsNov 15–22

    06:00

    09:27

    $397 USD

    JetBlue B6 687 · 1 stop · 17h 11m in all, both ways · seen Nov 9

    Go to seller — $397

  7. 1 nightNov 14–15

    11:27

    LAX

    $414 USD

    Frontier F9 3511 · 2 stops · 24h 24m in all, both ways · seen Nov 10

    Go to seller — $414

  8. 20 nightsFeb 22 – Mar 14

    07:00

    LAX

    $424 USD

    Alaska Airlines AS 459 · 1 stop · 17h 2m in all, both ways · seen Nov 9

    Go to seller — $424

  9. 7 nightsNov 23–30

    11:06

    LAX

    $425 USD

    Frontier F9 1977 · 2 stops · 20h 47m in all, both ways · seen Nov 6

    Go to seller — $425

  10. 13 nightsDec 19 – Jan 1

    17:15

    LAX

    $427 USD

    Southwest Airlines WN 113 · 2 stops · 18h 30m in all, both ways · seen Nov 8

    Go to seller — $427
Show 15 more fares

  1. 8 nightsNov 28 – Dec 6

    08:25

    12:03

    $442 USD

    United UA 360 · 1 stop · 17h 37m in all, both ways · seen Nov 9

    Go to seller — $442

  2. 5 nightsNov 25–30

    15:41

    LAX

    $450 USD

    United UA 546 · 2 stops · 16h 25m in all, both ways · seen Nov 6

    Go to seller — $450

  3. 4 nightsNov 26–30

    09:12

    LAX

    $450 USD

    United UA 1349 · 2 stops · 17h 1m in all, both ways · seen Nov 6

    Go to seller — $450

  4. 6 nightsDec 28 – Jan 3

    18:50

    LAX

    $462 USD

    Southwest Airlines WN 4929 · 3 stops · 23h 38m in all, both ways · seen Nov 4

    Go to seller — $462

  5. 1 nightNov 14–15

    06:00

    09:27

    $483 USD

    JetBlue B6 287 · Nonstop · 11h 57m in all, both ways · seen Nov 10

    Go to seller — $483

  6. 7 nightsNov 15–22

    08:25

    12:03

    $487 USD

    United UA 360 · Nonstop · 12h 8m in all, both ways · seen Nov 9

    Go to seller — $487

  7. 20 nightsFeb 22 – Mar 14

    08:19

    12:05

    $497 USD

    United UA 1904 · Nonstop · 12h 7m in all, both ways · seen Nov 9

    Go to seller — $497

  8. 13 nightsDec 19 – Jan 1

    22:25

    01:59+1

    $515 USD

    JetBlue B6 2387 · Nonstop · 12h 9m in all, both ways · seen Nov 8

    Go to seller — $515

  9. 6 nightsNov 23–29

    11:06

    LAX

    $525 USD

    Frontier F9 1977 · 4 stops · 67h 1m in all, both ways · seen Nov 9

    Go to seller — $525

  10. 12 nightsDec 25 – Jan 6

    15:50

    19:28

    $551 USD

    JetBlue B6 487 · Nonstop · 12h 4m in all, both ways · seen Nov 4

    Go to seller — $551

  11. 7 nightsNov 23–30

    06:00

    09:30

    $638 USD

    JetBlue B6 1487 · Nonstop · 12h in all, both ways · seen Nov 6

    Go to seller — $638

  12. 4 nightsNov 26–30

    09:05

    12:38

    $676 USD

    JetBlue B6 387 · Nonstop · 12h 3m in all, both ways · seen Nov 6

    Go to seller — $676

  13. 5 nightsNov 25–30

    17:59

    21:37

    $682 USD

    United UA 639 · Nonstop · 12h 8m in all, both ways · seen Nov 6

    Go to seller — $682

  14. 6 nightsDec 28 – Jan 3

    22:25

    01:59+1

    $725 USD

    JetBlue B6 2387 · Nonstop · 12h 4m in all, both ways · seen Nov 4

    Go to seller — $725

  15. 6 nightsNov 23–29

    07:15

    10:50

    $834 USD

    JetBlue B6 287 · Nonstop · 12h 5m in all, both ways · seen Nov 9

    Go to seller — $834

Compare other routes

Compared with Boston → Los Angeles: $139 one way (Dec 4).

The way back

Other places from Boston

Every route from Boston →

To Los Angeles from other cities

Every route to Los Angeles →

Airlines seen on this route

  • American Airlines
  • Alaska Airlines
  • JetBlue
  • Frontier
  • United
  • Southwest Airlines

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

Boston to Los Angeles in numbers

  • By month, Dec 2026 is the cheapest we've seen at $139 USD and Jun 2027 the most expensive at $233 USD — a spread of 68%.
  • Nonstop fares were seen on 5 of the 5 departure dates; carriers seen: American Airlines, Alaska Airlines, JetBlue, Frontier, United, Southwest Airlines.
  • BOS serves Boston, United States; LAX serves Los Angeles, United States.
  • Los Angeles runs 3 hours behind Boston.

Questions

What is the cheapest fare from Boston (BOS) to Los Angeles (LAX)?

The cheapest one-way fare from Boston (BOS) to Los Angeles (LAX) we have seen is $139 USD, departing Dec 4, 2026 (seen Nov 10, 2026): American Airlines AA 1243, nonstop, 6h 41m.

Is there a nonstop flight from Boston (BOS) to Los Angeles (LAX)?

Nonstop fares were seen on 5 of the 5 departure dates; carriers seen: American Airlines, Alaska Airlines, JetBlue, Frontier, United, Southwest Airlines.

Which month is cheapest to fly from Boston (BOS) to Los Angeles (LAX)?

By month, Dec 2026 is the cheapest we've seen at $139 USD and Jun 2027 the most expensive at $233 USD — a spread of 68%.

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.