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Cheap flights from Seattle to Los Angeles from £57

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Los Angeles are usually found in January or March, booked 63 days in advance, depart on a Thursday or Monday and return on a Thursday

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 31 October 2025.

Round-trip from

£100

One-way from

£57

Popular in

December

Cheapest in

January

Average price

£181

Good one-way deal

£280 or less
Frontier
  • Frontier
  • 13/12-20/12
  • 2 total stops
  • 37h 35m total
  • Seattle to Los Angeles
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Southwest
  • Southwest
  • 21/1
  • 1 total stop
  • 3h 55m total
  • Seattle to Los Angeles
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Los Angeles.
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Find 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 31 October 2025.

Sat 13/1212:48SEA - LAX
1 stop18h 54mFrontier
Sat 20/1215:30LAX - SEA
1 stop18h 41mFrontier
Deal found 29/10£100
Fri 26/1206:15SEA - LAX
Nonstop2h 46mFrontier
Sun 11/114:08LAX - SEA
Nonstop3h 04mFrontier
Deal found 29/10£106
Tue 2/1217:59SEA - LAX
Nonstop2h 44mDelta
Wed 10/1209:35LAX - SEA
Nonstop3h 04mDelta
Deal found 31/10£119
Wed 17/1212:10SEA - LAX
1 stop4h 20mSouthwest
Tue 6/114:30LAX - SEA
1 stop4h 05mSouthwest
Deal found 30/10£121
Wed 3/1214:20SEA - LAX
1 stop7h 55mSouthwest
Tue 6/114:30LAX - SEA
1 stop4h 05mSouthwest
Deal found 30/10£124
Thu 27/1119:59SEA - LAX
Nonstop2h 52mDelta
Tue 2/1209:35LAX - SEA
Nonstop3h 04mDelta
Deal found 31/10£127
Wed 10/1208:10SEA - LAX
1 stop4h 10mSouthwest
Tue 16/1207:25LAX - SEA
1 stop4h 10mSouthwest
Deal found 29/10£128
Tue 9/1212:10SEA - LAX
1 stop4h 20mSouthwest
Tue 30/1219:35LAX - SEA
1 stop5h 50mSouthwest
Deal found 29/10£131
Tue 2/1209:05SEA - LAX
Nonstop3h 00mUnited Airlines
Tue 9/1216:15LAX - SEA
1 stop4h 45mUnited Airlines
Deal found 30/10£131
Mon 8/1212:30SEA - LAX
Nonstop2h 50mAlaska Airlines
Mon 8/1217:26LAX - SEA
1 stop5h 23mAlaska Airlines
Deal found 30/10£134
Fri 5/1220:20SEA - LAX
Nonstop2h 53mDelta
Sun 7/1209:35LAX - SEA
Nonstop3h 04mDelta
Deal found 30/10£134

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 31 October 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

Wed 17/12

07:05-09:58

Nonstop2h 53m

Los Angeles

Tue 6/1

18:59-22:02

Nonstop3h 03m

£119

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 30/12

05:00-07:52

Nonstop2h 52m

Los Angeles

Tue 6/1

19:59-23:02

Nonstop3h 03m

£119

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 6/12

14:59-17:40

Nonstop2h 41m

Los Angeles

Wed 10/12

07:00-10:01

Nonstop3h 01m

£119

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sun 23/11

17:59-20:47

Nonstop2h 48m

Los Angeles

Tue 2/12

17:54-20:50

Nonstop2h 56m

£127

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 12/12

20:20-23:13

Nonstop2h 53m

Los Angeles

Wed 24/12

19:55-22:54

Nonstop2h 59m

£127

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 22/1

17:53-20:37

Nonstop2h 44m

Los Angeles

Wed 28/1

14:56-17:52

Nonstop2h 56m

£127

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 9/1

12:45-16:55

1 stop4h 10m

Los Angeles

Sat 17/1

14:05-20:20

1 stop6h 15m

£131

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 3/2

12:45-16:55

1 stop4h 10m

Los Angeles

Fri 6/2

14:45-22:50

1 stop8h 05m

£131

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 30/1

20:10-22:57

Nonstop2h 47m

Los Angeles

Sun 1/2

07:20-10:18

Nonstop2h 58m

£134

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 6/12

09:10-13:20

1 stop4h 10m

Los Angeles

Mon 8/12

07:25-11:35

1 stop4h 10m

£135

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 23 results
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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 24 October 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 63 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, January is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of £29). Flying from Seattle to Los Angeles in July is currently the most expensive (average of £90). 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 31 October 2025.

It’s typically best to fly out from Seattle to Los Angeles in the morning. Doing so could potentially save you 60% on the flight price compared to flying at midday, which is usually more expensive.

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 31 October 2025.
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.
Alaska Airlines
8.0
Very Good
11,217 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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)
Alaska Airlines
8.0
Very Good
11,217 reviews
Alaska Airlines
8.0
Very Good
11,217 reviews
Check prices

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

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?

    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 45m for a nonstop flight. There are 38 flights from Seattle/Tacoma Intl to Los Angeles per day from 1 airline.

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

    Flights from Seattle/Tacoma Intl to Los Angeles have been viewed 9 times in the past calendar month.

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

    For as low as £127, Alaska Airlines can have you in Los Angeles from Seattle in 2h 48m. 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 £153. This flight start at 6% 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 ITA Airways (98%), Air China (97%) and China Eastern (97%).

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

    The cheapest flight price from Seattle to Los Angeles is £113. On average you can expect to pay £281. The most popular route, (Seattle/Tacoma Intl - Los Angeles), can usually be booked for £102.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of £29). Flying from Seattle to Los Angeles in July is currently the most expensive (average of £90). 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
West Hollywood
Woodland Hills
Torrance
Chino Hills
Artesia
Cerritos
La Puente
Simi Valley
Aliso Viejo
Dana Point
Calabasas
Inglewood
Vista
El Segundo
Glendale
Culver City
Garden Grove
Thousand Oaks
Camarillo

Browse thousands of different options on Cheapflights for your next trip

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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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£153Average£271FlexibilityNo 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?

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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.

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