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Cheap flights from Los Angeles to Seattle from $143

LAX — SEA
5 Oct — 12 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Los Angeles to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Los Angeles to Seattle

Fri 2/1018:50 -
Nonstop2h 49m
Mon 5/1008:20 -
Nonstop3h 02m
Deal found 5/9$267
Fri 23/1021:05 -
Nonstop2h 51m
Mon 26/1021:35 -
Nonstop2h 46m
Deal found 4/9$270
Fri 23/1016:30 -
1 stop4h 30m
Mon 26/1006:55 -
1 stop4h 30m
Deal found 5/9$292
Thu 15/1017:00 -
1 stop6h 45m
Sat 17/1006:30 -
1 stop6h 50m
Deal found 5/9$301
Fri 23/1016:30 -
1 stop4h 30m
Tue 27/1005:35 -
2 stops7h 25m
Deal found 4/9$302
Sat 3/1006:35 -
1 stop11h 58m
Sun 4/1006:10 -
Nonstop2h 44m
Deal found 4/9$306
Wed 11/1114:55 -
2 stops7h 20m
Mon 16/1109:25 -
1 stop5h 45m
Deal found 5/9$309
Thu 29/1016:30 -
1 stop4h 30m
Wed 4/1105:40 -
2 stops10h 15m
Deal found 5/9$311
Thu 8/1019:10 -
Nonstop2h 49m
Sun 11/1006:30 -
Nonstop3h 04m
Deal found 4/9$314
Wed 14/1005:55 -
2 stops7h 40m
Wed 28/1005:35 -
2 stops7h 25m
Deal found 4/9$318
Sun 6/1218:35 -
1 stop6h 05m
Tue 8/1216:40 -
2 stops14h 00m
Deal found 4/9$319
Tue 20/1011:25 -
2 stops11h 35m
Tue 27/1005:35 -
2 stops7h 25m
Deal found 5/9$328

Find flight deals from Los Angeles to Seattle

Round-trip from

$267

One-way from

$143

Popular in

June

Cheapest in

March

Average price

$435
Delta
  • Delta
  • 2/10-4/10
  • Nonstop
  • 5h 35m total
  • Los Angeles to Seattle
Search Deals
Southwest
  • Southwest
  • 30/1-31/12
  • 1 total stop
  • 4h 40m total
  • Los Angeles to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Tue 3/11

11:50-19:00

1 stop7h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$151

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Tue 1/12

15:30-22:13

1 stop6h 43m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$173

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Sat 5/12

15:30-22:13

1 stop6h 43m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$173

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Wed 2/12

17:25-20:18

Nonstop2h 53m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$185

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Thu 17/12

09:40-13:55

1 stop4h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$245

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Sat 5/12

12:14-15:15

Nonstop3h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$245

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Sat 27/2

06:00-08:51

Nonstop2h 51m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$245
Fastest return journey

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Wed 3/3

09:50-12:40

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$245

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Sun 25/10

05:35-10:55

1 stop5h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$253

Los AngelesSeattle

LAX Los Angeles - SEA Seattle/Tacoma Intl

LAXSEA

Los Angeles

Tue 23/2

07:35-10:35

Nonstop3h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$262

Flights are sorted by cheapest return flights first.

Deals found on 4/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Los Angeles to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Los Angeles with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Seattle

How far ahead should I book a flight from Los Angeles to Seattle?

The best time to book flights from Los Angeles to Seattle is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Los Angeles to Seattle?

Currently, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of $347). Flying from Los Angeles to Seattle in June is currently the most expensive (average of $552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAX to SEA?

When flying from Los Angeles to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 54% versus a flight in the afternoon.

How much does it cost for a return flight from Los Angeles to Seattle?

Airfare is below average for this route at the moment.

Los Angeles to Seattle flights typically cost between $328 and $578 in October.
The cheapest return price found within the last 5 days was $267 on Delta (2 Oct–4 Oct).

Related info for your journey

  • How popular is this Los Angeles to Seattle flight route?

    Flights from Los Angeles Los Angeles to Seattle/Tacoma Intl have been viewed 10 times in the past calendar month.

  • How long is the flight from Los Angeles to Seattle?

    Departing from Los Angeles to Seattle will take you 2h 44m. The distance from Los Angeles to Seattle is about 1535 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Los Angeles to Seattle?

    Consider Frontier (93%), Volaris (93%) or WestJet (92%) when booking your flight. These represent the most reliable airlines when flying from Los Angeles to Seattle.

  • Can I find deals for flights from Los Angeles to Seattle that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Seattle.

  • Can I find deals for business class flights from Los Angeles to Seattle?

    Yes. Cheapflights offers flight deals from Los Angeles to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of $347). Flying from Los Angeles to Seattle in June is currently the most expensive (average of $552). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Los Angeles to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Los Angeles to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Los Angeles.

Can Cheapflights find flights from Los Angeles to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Los Angeles to Seattle flexibly with Cheapflights today.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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