Cheap flights from Seattle to Los Angeles from £49

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Los Angeles are usually found in March or May, booked 65 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Los Angeles

Enter your travel dates to find the best prices.

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 18 February 2026.

Sat 14/317:50
SEA
-
LAX
Nonstop2h 46m
Alaska Airlines
Wed 18/312:46
LAX
-
SEA
Nonstop2h 56m
Alaska Airlines
Deal found 14/2£83
Wed 1/406:20
SEA
-
LAX
Nonstop2h 45m
United Airlines
Thu 9/416:48
LAX
-
SEA
Nonstop2h 57m
United Airlines
Deal found 16/2£86
Sat 7/314:00
SEA
-
LAX
Nonstop2h 35m
Delta
Mon 9/320:30
LAX
-
SEA
Nonstop2h 51m
Delta
Deal found 14/2£87
Thu 9/406:20
SEA
-
LAX
Nonstop2h 45m
United Airlines
Sun 19/416:48
LAX
-
SEA
Nonstop2h 57m
United Airlines
Deal found 17/2£98
Fri 1/518:58
SEA
-
LAX
Nonstop2h 45m
United Airlines
Sun 3/516:50
LAX
-
SEA
Nonstop2h 58m
United Airlines
Deal found 14/2£100
Sat 2/521:06
SEA
-
LAX
Nonstop2h 52m
Alaska Airlines
Sun 3/506:30
LAX
-
SEA
Nonstop2h 59m
Alaska Airlines
Deal found 16/2£101
Tue 31/307:30
SEA
-
LAX
1 stop4h 15m
Southwest
Tue 7/418:10
LAX
-
SEA
1 stop5h 25m
Southwest
Deal found 14/2£108
Sat 11/408:45
SEA
-
LAX
Nonstop2h 49m
United Airlines
Sun 19/416:48
LAX
-
SEA
Nonstop2h 57m
United Airlines
Deal found 17/2£108
Thu 2/405:00
SEA
-
LAX
1 stop6h 20m
Southwest
Mon 6/417:50
LAX
-
SEA
1 stop4h 45m
Southwest
Deal found 16/2£111
Wed 11/312:50
SEA
-
LAX
Nonstop2h 46m
Alaska Airlines
Wed 11/318:00
LAX
-
SEA
Nonstop2h 58m
Alaska Airlines
Deal found 15/2£112
Sat 7/309:50
SEA
-
LAX
1 stop9h 00m
Southwest
Mon 9/306:00
LAX
-
SEA
1 stop7h 50m
Southwest
Deal found 15/2£115
Wed 11/311:36
SEA
-
LAX
1 stop6h 56m
Alaska Airlines
Fri 13/306:30
LAX
-
SEA
Nonstop3h 01m
Alaska Airlines
Deal found 16/2£116

Find 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 18 February 2026.

Round-trip from

£83

One-way from

£49

Popular in

December

Cheapest in

March

Average price

£189
Alaska Airlines
  • Alaska Airlines
  • 14/3-18/3
  • Nonstop
  • 5h 42m total
  • Seattle to Los Angeles
Frontier
  • Frontier
  • 17/4
  • 1 total stop
  • 19h 36m total
  • Seattle to Los Angeles
Highest demand for flights based on searches. 9% potential increase in price (£13 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in February 2026

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 858,174 searches. Data last updated 18 February 2026.
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

Thu 7/5

12:45-15:34

Nonstop2h 49m

Los Angeles

Mon 11/5

19:59-22:52

Nonstop2h 53m

£86

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 1/4

06:20-09:05

Nonstop2h 45m

Los Angeles

Wed 8/4

16:48-19:45

Nonstop2h 57m

£86

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 14/3

21:14-23:59

Nonstop2h 45m

Los Angeles

Mon 16/3

06:30-09:31

Nonstop3h 01m

£86

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 1/5

17:59-20:41

Nonstop2h 42m

Los Angeles

Fri 8/5

19:59-22:52

Nonstop2h 53m

£86

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 1/4

07:15-10:02

Nonstop2h 47m

Los Angeles

Wed 8/4

17:09-19:59

Nonstop2h 50m

£86

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 13/3

21:14-23:59

Nonstop2h 45m

Los Angeles

Fri 20/3

06:00-08:59

Nonstop2h 59m

£101

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 2/4

05:00-11:20

1 stop6h 20m

Los Angeles

Wed 8/4

16:10-20:20

1 stop4h 10m

£108

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 21/4

13:25-20:45

1 stop7h 20m

Los Angeles

Sun 26/4

06:55-11:05

1 stop4h 10m

£111

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 29/4

14:20-22:00

1 stop7h 40m

Los Angeles

Tue 5/5

17:00-23:55

1 stop6h 55m

£111

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 23/4

13:55-22:25

1 stop8h 30m

Los Angeles

Sun 26/4

06:55-11:05

1 stop4h 10m

£111

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 21 results
1
2
3

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 13 February 2026.

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 65 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, March is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of £35). Flying from Seattle to Los Angeles in July is currently the most expensive (average of £88). 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 18 February 2026.

It’s typically best to fly out from Seattle to Los Angeles in the afternoon. Doing so could potentially save you 82% on the flight price compared to flying at midday, which is usually more expensive.

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

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 18 February 2026.
Check out reviews from past customers who have flown with Alaska Airlines from Seattle to Los Angeles to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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?

    If you book a flight from Seattle to Los Angeles, you will be flying from Seattle/Tacoma Intl to Los Angeles. Flights to Los Angeles (LAX) from Seattle/Tacoma Intl (SEA) take 2h 48m for a nonstop flight. There are 83 flights from Seattle/Tacoma Intl to Los Angeles per day from 1 airline.

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

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

    For as low as £86, Delta can have you in Los Angeles from Seattle in 2h 45m. There are 954 mi 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 £149. This flight start at 13% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as £33. Users have also found prices from £43 and £73 on Alaska Airlines and Delta, respectively.

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

    The top 3 most reliable airlines when flying from Seattle to Los Angeles are United Airlines (94%), Air China (91%) and Copa Airlines (91%).

  • 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, March is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of £35). Flying from Seattle to Los Angeles in July is currently the most expensive (average of £88). 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
Laguna Hills
Woodland Hills
Torrance
Chino Hills
Manhattan Beach
Cerritos
Simi Valley
West Hollywood
Artesia
Dana Point
Calabasas
La Puente
Inglewood
Vista
Aliso Viejo
El Segundo
Glendale
Culver City
Thousand Oaks
Camarillo

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 858,174 searches. Data last updated 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£149Average£174FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Los Angeles from Seattle today with Cheapflights!

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

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 Los Angeles from Seattle.

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

Need flexible booking options for your flight to Los Angeles from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Seattle to Los Angeles flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.