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prices we've seen · United States fares · USD

Flights from Seattle (SEA) to Los Angeles (LAX)

  • One way from $78
  • Round trip from $143
  • Nonstop on 8 of 8 dates
  • Fastest 2h 40m
  • 3 airlines

The cheapest one-way fare from Seattle (SEA) to Los Angeles (LAX) we have seen is $78 USD, departing Dec 6, 2026 (seen Nov 6, 2026): Frontier F9 2176, nonstop, 2h 42m.

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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$117
  2. Dec 2026$78
  3. Jan 2027$104

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. SunDec 6

    13:36

    2h 42mNonstop

    16:18

    Cheapest$78 USD

    Frontier F9 2176 · seen Nov 6

    Go to seller — $78

  2. ThuDec 3

    13:32

    2h 45mNonstop

    16:17

    $80 USD

    Frontier F9 2176 · seen Nov 6

    Go to seller — $80

  3. FriDec 4

    13:32

    2h 45mNonstop

    16:17

    $80 USD

    Frontier F9 2176 · seen Nov 6

    Go to seller — $80

  4. TueNov 24

    14:15

    2h 40mNonstop

    16:55

    $117 USD

    Alaska Airlines AS 1523 · seen Nov 9

    Go to seller — $117

  5. FriNov 20

    18:03

    2h 44mNonstop

    20:47

    $158 USD

    Alaska Airlines AS 797 · seen Nov 8

    Go to seller — $158

  6. SatNov 21

    13:52

    2h 45mNonstop

    16:37

    $191 USD

    Frontier F9 1178 · seen Nov 8

    Go to seller — $191

  7. SunNov 22

    13:52

    2h 45mNonstop

    16:37

    $194 USD

    Frontier F9 1178 · seen Nov 8

    Go to seller — $194

  8. SatNov 28

    11:30

    2h 50mNonstop

    14:20

    $244 USD

    Alaska Airlines AS 501 · seen Nov 8

    Go to seller — $244

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. 4 nightsDec 10–14

    13:36

    16:18

    Cheapest$143 USD

    Frontier F9 2176 · Nonstop · 5h 45m in all, both ways · seen Nov 10

    Go to seller — $143

  2. 4 nightsDec 13–17

    13:36

    16:18

    $153 USD

    Frontier F9 2176 · Nonstop · 5h 32m in all, both ways · seen Nov 9

    Go to seller — $153

  3. 2 nightsDec 11–13

    13:36

    16:18

    $215 USD

    Frontier F9 2176 · Nonstop · 5h 43m in all, both ways · seen Nov 6

    Go to seller — $215

  4. 3 nightsNov 17–20

    13:35

    16:31

    $234 USD

    American Airlines AA 4997 · Nonstop · 5h 49m in all, both ways · seen Nov 9

    Go to seller — $234

  5. 4 nightsNov 28 – Dec 2

    06:00

    08:40

    $256 USD

    Alaska Airlines AS 524 · Nonstop · 5h 41m in all, both ways · seen Nov 8

    Go to seller — $256

  6. 7 nightsFeb 15–22

    21:15

    23:59

    $272 USD

    Alaska Airlines AS 1635 · Nonstop · 5h 36m in all, both ways · seen Nov 4

    Go to seller — $272

  7. 8 nightsNov 23 – Dec 1

    16:37

    LAX

    $276 USD

    Frontier F9 1916 · 1 stop · 10h 16m in all, both ways · seen Nov 10

    Go to seller — $276

  8. 8 nightsNov 23 – Dec 1

    13:52

    16:37

    $296 USD

    Frontier F9 1178 · Nonstop · 5h 41m in all, both ways · seen Nov 10

    Go to seller — $296

  9. 3 nightsNov 29 – Dec 2

    18:54

    LAX

    $351 USD

    Alaska Airlines AS 1338 · 1 stop · 8h in all, both ways · seen Nov 8

    Go to seller — $351

  10. 4 nightsNov 23–27

    21:53

    LAX

    $356 USD

    Frontier F9 4204 · 2 stops · 19h 17m in all, both ways · seen Nov 10

    Go to seller — $356
Show 5 more fares

  1. 3 nightsNov 29 – Dec 2

    06:00

    08:40

    $363 USD

    Alaska Airlines AS 524 · Nonstop · 5h 36m in all, both ways · seen Nov 8

    Go to seller — $363

  2. 4 nightsNov 23–27

    13:52

    16:37

    $384 USD

    Frontier F9 1178 · Nonstop · 5h 45m in all, both ways · seen Nov 10

    Go to seller — $384

  3. 3 nightsNov 26–29

    16:37

    LAX

    $404 USD

    Frontier F9 1916 · 2 stops · 24h 16m in all, both ways · seen Nov 9

    Go to seller — $404

  4. 3 nightsNov 26–29

    08:10

    11:01

    $477 USD

    Alaska Airlines AS 1306 · Nonstop · 5h 47m in all, both ways · seen Nov 9

    Go to seller — $477

  5. 7 nightsNov 22–29

    13:52

    16:37

    $491 USD

    Frontier F9 1178 · Nonstop · 5h 45m in all, both ways · seen Nov 10

    Go to seller — $491

Compare other routes

Compared with Seattle → Los Angeles: $78 one way (Dec 6).

The way back

Other places from Seattle

Every route from Seattle →

To Los Angeles from other cities

Every route to Los Angeles →

Airlines seen on this route

  • American Airlines
  • Alaska Airlines
  • Frontier

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

Seattle to Los Angeles in numbers

  • By month, Dec 2026 is the cheapest we've seen at $78 USD and Nov 2026 the most expensive at $117 USD — a spread of 50%.
  • Nonstop fares were seen on 8 of the 8 departure dates; carriers seen: American Airlines, Alaska Airlines, Frontier.
  • SEA serves Seattle, United States; LAX serves Los Angeles, United States.
  • Seattle and Los Angeles keep the same clock.

Questions

What is the cheapest fare from Seattle (SEA) to Los Angeles (LAX)?

The cheapest one-way fare from Seattle (SEA) to Los Angeles (LAX) we have seen is $78 USD, departing Dec 6, 2026 (seen Nov 6, 2026): Frontier F9 2176, nonstop, 2h 42m.

Is there a nonstop flight from Seattle (SEA) to Los Angeles (LAX)?

Nonstop fares were seen on 8 of the 8 departure dates; carriers seen: American Airlines, Alaska Airlines, Frontier.

Which month is cheapest to fly from Seattle (SEA) to Los Angeles (LAX)?

By month, Dec 2026 is the cheapest we've seen at $78 USD and Nov 2026 the most expensive at $117 USD — a spread of 50%.

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.