Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Los Angeles from £78

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Los Angeles Los Angeles are usually found in May or March, booked 65 days in advance, depart on a Thursday or Wednesday and return on a Monday

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 15 June 2026.

Fri 17/710:34
SEA
-
LAX
Nonstop3h 00m
Frontier
Sun 19/715:04
LAX
-
SEA
Nonstop2h 47m
Frontier
Deal found 15/6£145
Tue 13/1009:20
SEA
-
LAX
1 stop4h 10m
Southwest
Tue 20/1017:00
LAX
-
SEA
1 stop4h 10m
Southwest
Deal found 10/6£154
Sat 25/710:34
SEA
-
LAX
Nonstop3h 00m
Frontier
Wed 29/715:04
LAX
-
SEA
Nonstop2h 47m
Frontier
Deal found 11/6£156
Wed 19/814:55
SEA
-
LAX
1 stop5h 10m
Southwest
Tue 25/812:10
LAX
-
SEA
1 stop4h 40m
Southwest
Deal found 11/6£158
Tue 18/814:55
SEA
-
LAX
1 stop5h 10m
Southwest
Wed 26/813:25
LAX
-
SEA
1 stop7h 50m
Southwest
Deal found 10/6£161
Sat 5/920:00
SEA
-
LAX
Nonstop2h 50m
Delta
Tue 8/909:59
LAX
-
SEA
Nonstop2h 59m
Delta
Deal found 10/6£162
Fri 10/710:34
SEA
-
LAX
Nonstop3h 00m
Frontier
Mon 13/715:04
LAX
-
SEA
Nonstop2h 47m
Frontier
Deal found 14/6£163
Sat 12/917:10
SEA
-
LAX
Nonstop2h 49m
United Airlines
Tue 15/905:00
LAX
-
SEA
1 stop6h 44m
United Airlines
Deal found 13/6£166
Thu 3/911:03
SEA
-
LAX
Nonstop2h 58m
Frontier
Mon 7/906:30
LAX
-
SEA
1 stop7h 34m
Frontier
Deal found 15/6£168
Fri 4/921:45
SEA
-
LAX
Nonstop2h 47m
Delta
Tue 8/909:38
LAX
-
SEA
Nonstop2h 52m
Delta
Deal found 15/6£169
Sat 12/914:20
SEA
-
LAX
1 stop4h 15m
Southwest
Tue 15/915:15
LAX
-
SEA
1 stop3h 55m
Southwest
Deal found 13/6£170

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 15 June 2026.

Round-trip from

£145

One-way from

£78

Popular in

June

Cheapest in

May

Average price

£221
Frontier
  • Frontier
  • 17/7-19/7
  • Nonstop
  • 5h 47m total
  • Seattle to Los Angeles
Search Deals
Southwest
  • Southwest
  • 13/10
  • 1 total stop
  • 4h 10m total
  • Seattle to Los Angeles
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 15 June 2026.
Use the filters below to find and compare flights from Seattle to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 4/9

21:45-00:32

Nonstop2h 47m

Los Angeles Los Angeles

Tue 8/9

09:38-12:30

Nonstop2h 52m

£169

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 22/8

05:00-11:30

1 stop6h 30m

Los Angeles Los Angeles

Sat 29/8

11:05-19:35

2 stops8h 30m

£189

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 12/11

09:02-13:38

1 stop4h 36m

Los Angeles Los Angeles

Sun 15/11

06:00-10:21

1 stop4h 21m

£192

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 8/10

13:15-19:05

1 stop5h 50m

Los Angeles Los Angeles

Sun 11/10

09:35-16:50

1 stop7h 15m

£192

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 10/7

06:00-08:44

Nonstop2h 44m

Los Angeles Los Angeles

Mon 13/7

17:05-23:10

1 stop6h 05m

£192

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 3/9

15:40-21:20

1 stop5h 40m

Los Angeles Los Angeles

Mon 7/9

07:15-13:25

1 stop6h 10m

£192

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 15/9

11:10-18:45

2 stops7h 35m

Los Angeles Los Angeles

Tue 22/9

15:15-19:10

1 stop3h 55m

£192

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 12/8

17:20-23:06

1 stop5h 46m

Los Angeles Los Angeles

Mon 17/8

18:45-23:26

1 stop4h 41m

£199

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 12/8

08:53-15:22

1 stop6h 29m

Los Angeles Los Angeles

Sat 15/8

20:09-22:58

Nonstop2h 49m

£210
Fastest return journey

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 25/7

06:03-08:47

Nonstop2h 44m

Los Angeles Los Angeles

Thu 30/7

19:09-21:58

Nonstop2h 49m

£229

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 23 resultsSorted by cheapest first
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?

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 64 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, May is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of £165). Flying from Seattle to Los Angeles in June is currently the most expensive (average of £221). 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 15 June 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 15 June 2026.
Check out reviews from past customers who have flown with Alaska Airlines and Frontier 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.
Alaska Airlines
7.9
Good
12,514 reviews
Check prices

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

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
Alaska Airlines
7.9
Good
12,514 reviews
Alaska Airlines
7.9
Good
12,514 reviews
Check prices

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

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
Frontier
5.6
Fair
2,884 reviews
Alaska Airlines
7.9
Good
12,514 reviews
Check prices

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

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 Los Angeles (LAX) from Seattle/Tacoma Intl (SEA) take 2h 44m for a nonstop flight. There are 94 flights from Seattle/Tacoma Intl to Los Angeles per day from 2 airlines.

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

    Flights from Seattle/Tacoma Intl to Los Angeles Los Angeles have been viewed 4 times in the past calendar month.

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

    For as low as £166, United Airlines can have you in Los Angeles from Seattle in 2h 49m. There are 954 mi between Seattle and Los Angeles. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Los Angeles round-trip?

    Flying on Frontier is currently your cheapest option to Los Angeles, with prices starting at £61. Another option worth looking into is Alaska Airlines, starting at £151 return. These flights start at 67% lower than the current average price 3 months from now.

  • 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 Air China (98%), Virgin Australia (96%) and Copa Airlines (96%).

  • 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, May is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of £165). Flying from Seattle to Los Angeles in June is currently the most expensive (average of £221). 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
Torrance
Chino Hills
Manhattan Beach
Simi Valley
Cerritos
West Hollywood
Calabasas
Artesia
Dana Point
Glendale
La Puente
Inglewood
Vista
Aliso Viejo
El Segundo

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 2 airlines flying from Seattle to Los Angeles

Discover the top 2 airlines 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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£61Average£80FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapest£151Average£169FlexibilityNo 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.