Cheap flights from Seattle to Los Angeles from $137

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Los Angeles are usually found in January or March, booked 30 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Los Angeles

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 September 2025.

Round-trip from

$198

One-way from

$137

Popular in

December

Cheapest in

January

Average price

$284

Good round-trip deal

$421 or less

Good one-way deal

$203 or less
Frontier
  • Frontier
  • 4/10-5/10
  • Nonstop
  • 5h 41m total
  • Seattle to Los Angeles
Frontier
  • Frontier
  • 25/9
  • Nonstop
  • 2h 50m total
  • Seattle to Los Angeles
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Los Angeles.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Los Angeles.

Find flight deals from Seattle to Los Angeles

Cheapest flights from Seattle to Los Angeles
Explore the most affordable flight options available from Seattle to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Sat 4/1021:39SEA - LAX
Nonstop2h 50mFrontier
Sun 5/1016:49LAX - SEA
Nonstop2h 51mFrontier
Deal found 2/9$198
Tue 23/912:00SEA - LAX
1 stop4h 27mAlaska Airlines
Tue 23/918:45LAX - SEA
Nonstop2h 51mAlaska Airlines
Deal found 1/9$230
Thu 16/1013:02SEA - LAX
1 stop11h 23mFrontier
Thu 23/1019:00LAX - SEA
1 stop13h 48mFrontier
Deal found 31/8$232
Tue 23/920:08SEA - LAX
1 stop11h 20mAlaska Airlines
Wed 24/910:00LAX - SEA
Nonstop2h 54mAlaska Airlines
Deal found 2/9$240
Tue 7/1008:00SEA - LAX
2 stops8h 48mAlaska Airlines
Tue 7/1019:59LAX - SEA
Nonstop3h 02mAlaska Airlines
Deal found 31/8$246
Wed 8/1020:15SEA - LAX
1 stop11h 17mAlaska Airlines
Thu 9/1010:00LAX - SEA
Nonstop2h 56mAlaska Airlines
Deal found 31/8$255
Sat 27/917:26SEA - LAX
Nonstop2h 45mUnited Airlines
Sat 4/1009:00LAX - SEA
Nonstop2h 56mUnited Airlines
Deal found 1/9$270
Thu 9/1007:05SEA - LAX
1 stop5h 12mAlaska Airlines
Thu 9/1015:52LAX - SEA
Nonstop2h 50mAlaska Airlines
Deal found 31/8$276
Wed 5/1121:15SEA - LAX
Nonstop2h 44mAlaska Airlines
Tue 11/1119:25LAX - SEA
Nonstop3h 05mAlaska Airlines
Deal found 31/8$301
Wed 5/1112:41SEA - LAX
Nonstop2h 51mUnited Airlines
Wed 12/1114:33LAX - SEA
1 stop6h 40mUnited Airlines
Deal found 1/9$310
Tue 7/1014:40SEA - LAX
Nonstop2h 52mAlaska Airlines
Sat 11/1007:00LAX - SEA
Nonstop2h 55mAlaska Airlines
Deal found 31/8$316

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Los Angeles that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 September 2025.
Use the filters below to find and compare flights from Seattle to Los Angeles that are best for you.

Fly from

Seattle

Fly to

Los Angeles

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 4/10

21:39-00:29

Nonstop2h 50m

Los Angeles

Sun 5/10

16:49-19:40

Nonstop2h 51m

$198

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 30/9

10:08-13:06

Nonstop2h 58m

Los Angeles

Tue 30/9

16:41-23:42

1 stop7h 01m

$230

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 8/10

07:00-12:44

1 stop5h 44m

Los Angeles

Wed 8/10

15:52-18:42

Nonstop2h 50m

$230

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 17/12

07:05-09:58

Nonstop2h 53m

Los Angeles

Wed 17/12

12:58-18:06

1 stop5h 08m

$230

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 7/10

07:00-12:44

1 stop5h 44m

Los Angeles

Tue 7/10

15:52-18:42

Nonstop2h 50m

$230

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 23/9

20:08-07:28

1 stop11h 20m

Los Angeles

Wed 24/9

10:00-12:54

Nonstop2h 54m

$240

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 11/10

06:35-09:20

Nonstop2h 45m

Los Angeles

Mon 13/10

18:58-21:53

Nonstop2h 55m

$270

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 30/9

17:26-20:11

Nonstop2h 45m

Los Angeles

Sat 4/10

09:00-11:56

Nonstop2h 56m

$270

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 25/9

10:10-13:00

Nonstop2h 50m

$137

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 13/12

12:20-20:20

1 stop8h 00m

$151

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 17 results
1
2

Best time to book a flight from Seattle to Los Angeles

Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Seattle to Los Angeles. Price data was last updated on 29 August 2025.

The price you pay for your flight from Seattle to Los Angeles may vary depending on when you book. For the best chance of a lower fare, look to book 30 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of $779). Flying from Seattle to Los Angeles in December is currently the most expensive (average of $1,257). 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 SEA to LAX?

Find hourly flight availability from Seattle to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Los Angeles in the morning. If you’re flexible enough to do this you can expect to save up to 80% on your trip compared to booking a flight at midday.

Reviews of airlines servicing Los Angeles

Get insights into the airlines that provide service to Los Angeles. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Los Angeles. Reviews last updated 2 September 2025.
See what other customers who have flown with Alaska Airlines from Seattle to Los Angeles have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Seattle to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Seattle to Los Angeles?

    You will need to book a flight from Seattle/Tacoma Intl to Los Angeles if you want to fly from Seattle to Los Angeles. At least 1 airline has flights from Seattle/Tacoma Intl (SEA) to Los Angeles (LAX) on a regular basis. There are 72 flights to Los Angeles from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to LAX to be around 2h 46m.

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

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

    A quick flight from Seattle to Los Angeles can take about 2h 45m. Alaska Airlines provides one of the quickest options available for as low as $301. There are 1535 km between Seattle and Los Angeles. All flights are typically direct.

  • What is the cheapest airline to fly from Seattle to Los Angeles round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Los Angeles, with prices starting at $298. You may be able to fly from Seattle to Los Angeles for 6% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Seattle to Los Angeles one-way?

    One-way options have recently been found by users for as low as $137 on Frontier. Other airlines that offer cheap prices include Southwest from $151 and United Airlines from $151 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Los Angeles consider choosing China Eastern(97%), SAUDIA(92%) or Japan Airlines(92%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Los Angeles?

    Looking for the cheapest flight from Seattle to Los Angeles? While on average our users pay $888, our data indicates the cheapest price to be $131. The most popular route (Seattle/Tacoma Intl - Los Angeles), is priced around $256.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Los Angeles 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 Seattle to Los Angeles?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of $779). Flying from Seattle to Los Angeles in December is currently the most expensive (average of $1,257). 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

Travelling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
El Segundo
Culver City
Universal City
Hermosa Beach
Simi Valley
Moreno Valley
Monterey Park
Santa Clarita
West Hollywood
Oceanside
Arcadia
Inglewood
Commerce
Vernon

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Alternative routes for Seattle to Los Angeles

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Seattle to Los Angeles

Discover the top airline that operate flights from Seattle to Los Angeles. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$298Average$359FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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

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

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

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

Can Cheapflights notify me if prices for flights from Seattle to Los Angeles become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to Los Angeles on Cheapflights with our Price Alert feature and get notified when better prices are available.

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