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Cheap flights from Seattle to Los Angeles from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Los Angeles departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Southwest Logo
12:10 - 16:30SEA-LAX
4h 20m1 stop
Southwest Logo
16:55 - 22:55LAX-SEA
6h 00m1 stop
$195Southwest
Find Deal
Wed, 5 Nov - Tue, 11 Nov
Southwest Logo
05:50 - 11:45SEA-LAX
5h 55m1 stop
Southwest Logo
12:00 - 18:40LAX-SEA
6h 40m1 stop
$203Southwest
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Southwest Logo
14:25 - 18:50SEA-LAX
4h 25m1 stop
Southwest Logo
17:10 - 22:45LAX-SEA
5h 35m1 stop
$207Southwest
Find Deal
Tue, 30 Sep - Sat, 4 Oct
Southwest Logo
10:10 - 15:20SEA-LAX
5h 10m1 stop
Southwest Logo
11:20 - 15:40LAX-SEA
4h 20m1 stop
$210Southwest
Find Deal
Wed, 7 Jan - Tue, 13 Jan
Frontier Logo
16:11 - 13:35SEA-LAX
21h 24m1 stop
Frontier Logo
20:48 - 09:18LAX-SEA
12h 30m1 stop
$228Frontier
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Fri, 24 Oct - Fri, 31 Oct
Alaska Airlines Logo
06:25 - 09:15SEA-LAX
2h 50mdirect
Alaska Airlines Logo
11:35 - 17:05LAX-SEA
5h 30m1 stop
$244Alaska Airlines
Find Deal
Wed, 12 Nov - Wed, 12 Nov
Alaska Airlines Logo
11:30 - 12:11SEA-LAX
24h 41m1 stop
Alaska Airlines Logo
15:58 - 18:57LAX-SEA
2h 59mdirect
$250Alaska Airlines
Find Deal
Tue, 28 Oct - Wed, 29 Oct
United Airlines Logo
09:00 - 11:59SEA-LAX
2h 59mdirect
United Airlines Logo
16:15 - 21:12LAX-SEA
4h 57m1 stop
$263United Airlines
Find Deal
Wed, 7 Jan - Tue, 13 Jan
United Airlines Logo
06:35 - 09:20SEA-LAX
2h 45mdirect
United Airlines Logo
18:58 - 21:53LAX-SEA
2h 55mdirect
$268United Airlines
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Thu, 16 Oct - Sat, 18 Oct
Delta Logo
07:10 - 10:01SEA-LAX
2h 51mdirect
Delta Logo
19:35 - 22:25LAX-SEA
2h 50mdirect
$298Delta
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Tue, 7 Oct - Sat, 11 Oct

Southwest flights from Seattle to Los Angeles

Our best Southwest deals on Seattle to Los Angeles flight tickets
Southwest
5 Nov
SEA12:10Seattle/Tacoma Intl
4h 20m
1 stop
LAX16:30Los Angeles
11 Nov
LAX16:55Los Angeles
6h 00m
1 stop
SEA22:55Seattle/Tacoma Intl
$195
Find similar
Southwest
7 Oct
SEA05:50Seattle/Tacoma Intl
5h 55m
1 stop
LAX11:45Los Angeles
14 Oct
LAX12:00Los Angeles
6h 40m
1 stop
SEA18:40Seattle/Tacoma Intl
$203
Find similar
Southwest
30 Sept
SEA14:25Seattle/Tacoma Intl
4h 25m
1 stop
LAX18:50Los Angeles
4 Oct
LAX17:10Los Angeles
5h 35m
1 stop
SEA22:45Seattle/Tacoma Intl
$207
Find similar

United Airlines flights from Seattle to Los Angeles

Our best United Airlines deals on Seattle to Los Angeles flight tickets
United Airlines
7 Jan
SEA09:00Seattle/Tacoma Intl
2h 59m
LAX11:59Los Angeles
13 Jan
LAX16:15Los Angeles
4h 57m
1 stop
SEA21:12Seattle/Tacoma Intl
$263
Find similar
United Airlines
16 Oct
SEA06:35Seattle/Tacoma Intl
2h 45m
LAX09:20Los Angeles
18 Oct
LAX18:58Los Angeles
2h 55m
SEA21:53Seattle/Tacoma Intl
$268
Find similar
United Airlines
7 Feb
SEA12:35Seattle/Tacoma Intl
7h 48m
1 stop
LAX20:23Los Angeles
14 Feb
LAX19:20Los Angeles
2h 58m
SEA22:18Seattle/Tacoma Intl
$269
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 11 September 2025.
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

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 5/11

12:10-16:30

1 stop4h 20m

Los Angeles

Tue 11/11

16:55-22:55

1 stop6h 00m

$195

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 7/10

05:50-11:45

1 stop5h 55m

Los Angeles

Tue 14/10

12:00-18:40

1 stop6h 40m

$203

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 30/9

14:25-18:50

1 stop4h 25m

Los Angeles

Sat 4/10

17:10-22:45

1 stop5h 35m

$207

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 7/1

10:10-15:20

1 stop5h 10m

Los Angeles

Tue 13/1

11:20-15:40

1 stop4h 20m

$210

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 24/10

16:11-13:35

1 stop21h 24m

Los Angeles

Fri 31/10

20:48-09:18

1 stop12h 30m

$228

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 12/11

06:25-09:15

Nonstop2h 50m

Los Angeles

Wed 12/11

11:35-17:05

1 stop5h 30m

$244

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 28/10

11:30-12:11

1 stop24h 41m

Los Angeles

Wed 29/10

15:58-18:57

Nonstop2h 59m

$250

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 7/1

09:00-11:59

Nonstop2h 59m

Los Angeles

Tue 13/1

16:15-21:12

1 stop4h 57m

$263

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Thu 16/10

06:35-09:20

Nonstop2h 45m

Los Angeles

Sat 18/10

18:58-21:53

Nonstop2h 55m

$268

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 7/10

07:10-10:01

Nonstop2h 51m

Los Angeles

Sat 11/10

19:35-22:25

Nonstop2h 50m

$298

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Seattle to Los Angeles

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Los Angeles?

The month of March is another great option to travel to Los Angeles, with average flight prices from Seattle averaging around $242.

What is the cheapest day to depart on your flight to Los Angeles?

According to our data, Monday is the cheapest day to fly to Los Angeles from Seattle. The lowest ticket price found for a Monday departure recently was $349. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $3,074. These prices are subject to change though, so be sure to set up a Price Alert for flights to Los Angeles.

What is the cheapest time of day to depart on your flight to Los Angeles?

Flying to Los Angeles from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $349 when looking at flights departing in the morning. Flights to Los Angeles are more costly in the afternoon, with an average ticket price of $1,923. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seattle/Tacoma Intl to Los Angeles flight route?

Fly from Seattle/Tacoma Intl to Los Angeles for the best Seattle/Tacoma Intl - Los Angeles flight prices

How far in advance should I book a flight to Los Angeles?

You are more likely to see cheaper flights to Los Angeles from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $315 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Seattle for as low as $263 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Los Angeles flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Los Angeles flight prices changed over time?

As of September 2025, prices for Seattle to Los Angeles flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Los Angeles

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Los Angeles according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Los Angeles (SEA to LAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Los Angeles

Best price found

$175

Fastest flight time

2h 39m

Direct flights

Every day

Airports in Los Angeles

1 airport
The best one-way flight to Los Angeles from Seattle in the past 72 hours is $175. The best return flight deal from Seattle to Los Angeles found on momondo in the last 72 hours is $417.
The fastest flight from Seattle to Los Angeles takes 2h 39m
Direct flights go from Seattle to Los Angeles every day.
There is 1 airport near Los Angeles: Los Angeles (LAX)
Search flight deals

  • How far is Seattle/Tacoma Intl to Los Angeles by plane?

    A flight from Seattle/Tacoma Intl to Los Angeles will travel around 1543.7 km. In terms of flight time, this usually takes a little over 2h 45m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Los Angeles Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Los Angeles Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Los Angeles Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Los Angeles Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Los Angeles Airport.

  • What documentation or ID do you need to fly to Los Angeles Airport?

    The travel and health documents you'll need for your trip to Los Angeles Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Los Angeles Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Los Angeles?

  • What is the most popular airline from Seattle to Los Angeles?

Best airlines flying from Seattle to Los Angeles

Compare and see reviews for airlines that fly from Seattle to Los Angeles with momondo
Airline
Rating
Free cancellation
Price
Alaska AirlinesPriceFrom $295Free cancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Los Angeles

    Alaska Airlines operates around 22 flights from Seattle to Los Angeles every week. The average price of these flights found in the last 72 hours has been $235, but momondo users have found Alaska Airlines deals from Seattle to Los Angeles from as low as $195 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

Travelling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
West Hollywood
Rancho Cucamonga
Glendale
Manhattan Beach
Inglewood
Buena Park
Carlsbad
Universal City
Laguna Beach
Arcadia
Malibu
Garden Grove
San Pedro
Santa Clarita
Beverly Hills
Pasadena
Redondo Beach
Torrance
San Marcos
Irvine

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Los Angeles?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Los Angeles from Seattle.

Can I find flights from Seattle to Los Angeles with flexible booking policies on momondo?

momondo does allow users to show only those flights to Los Angeles from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Los Angeles?

momondo provides multiple filters to help you find the best flight to Los Angeles from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Los Angeles right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Los Angeles flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Los Angeles trip

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