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Cheap flights from Los Angeles to Seattle from £66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Seattle departing on 13/12. 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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0 bags
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Find the cheapest flights from Los Angeles to Seattle

Cheap return flights

Southwest Logo
16:15 - 23:00LAX-SEA
6h 45m1 stop
Southwest Logo
07:05 - 18:30SEA-LAX
11h 25m1 stop
£109Southwest
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Tue, 7 Oct - Sat, 11 Oct
Southwest Logo
11:35 - 16:30LAX-SEA
4h 55m1 stop
Southwest Logo
09:35 - 18:20SEA-LAX
8h 45m2 stops
£110Southwest
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Wed, 5 Nov - Wed, 12 Nov
Frontier Logo
14:03 - 00:30LAX-SEA
10h 27m1 stop
Frontier Logo
20:43 - 07:35SEA-LAX
10h 52m1 stop
£111Frontier
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Fri, 3 Oct - Sat, 11 Oct
United Airlines Logo
18:58 - 21:53LAX-SEA
2h 55mdirect
United Airlines Logo
06:35 - 09:20SEA-LAX
2h 45mdirect
£116United Airlines
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Sat, 11 Oct - Sat, 18 Oct
Frontier Logo
16:52 - 19:48LAX-SEA
2h 56mdirect
Frontier Logo
12:58 - 10:33SEA-LAX
21h 35m1 stop
£118Frontier
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Sat, 25 Oct - Sat, 1 Nov
United Airlines Logo
18:58 - 21:53LAX-SEA
2h 55mdirect
United Airlines Logo
17:26 - 20:11SEA-LAX
2h 45mdirect
£124United Airlines
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Sat, 18 Oct - Tue, 21 Oct
Alaska Airlines Logo
07:00 - 10:01LAX-SEA
3h 01mdirect
Alaska Airlines Logo
12:30 - 18:08SEA-LAX
5h 38m1 stop
£134Alaska Airlines
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Sat, 8 Nov - Sat, 8 Nov
Alaska Airlines Logo
07:00 - 11:27LAX-SEA
4h 27m1 stop
Alaska Airlines Logo
08:05 - 14:30SEA-LAX
6h 25m1 stop
£135Alaska Airlines
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Thu, 26 Feb - Mon, 2 Mar
Hawaiian Airlines Logo
06:00 - 11:24LAX-SEA
5h 24m1 stop
Hawaiian Airlines Logo
14:59 - 17:51SEA-LAX
2h 52mdirect
£140Hawaiian Airlines
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Tue, 28 Oct - Tue, 4 Nov
Hawaiian Airlines Logo
17:30 - 22:15LAX-SEA
4h 45m1 stop
Hawaiian Airlines Logo
12:00 - 14:52SEA-LAX
2h 52mdirect
£142Hawaiian Airlines
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Tue, 7 Oct - Tue, 14 Oct

United Airlines flights from Los Angeles to Seattle

Our best United Airlines deals on Los Angeles to Seattle flight tickets
United Airlines
11 Oct
LAX18:58Los Angeles
2h 55m
SEA21:53Seattle/Tacoma Intl
18 Oct
SEA06:35Seattle/Tacoma Intl
2h 45m
LAX09:20Los Angeles
£116
Find similar
United Airlines
18 Oct
LAX18:58Los Angeles
2h 55m
SEA21:53Seattle/Tacoma Intl
21 Oct
SEA17:26Seattle/Tacoma Intl
2h 45m
LAX20:11Los Angeles
£124
Find similar
United Airlines
10 Dec
LAX19:24Los Angeles
3h 06m
SEA22:30Seattle/Tacoma Intl
17 Dec
SEA09:05Seattle/Tacoma Intl
3h 00m
LAX12:05Los Angeles
£132
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Hawaiian Airlines flights from Los Angeles to Seattle

Our best Hawaiian Airlines deals on Los Angeles to Seattle flight tickets
Hawaiian Airlines
28 Oct
LAX06:00Los Angeles
5h 24m
1 stop
SEA11:24Seattle/Tacoma Intl
4 Nov
SEA14:59Seattle/Tacoma Intl
2h 52m
LAX17:51Los Angeles
£140
Find similar
Hawaiian Airlines
7 Oct
LAX17:30Los Angeles
4h 45m
1 stop
SEA22:15Seattle/Tacoma Intl
14 Oct
SEA12:00Seattle/Tacoma Intl
2h 52m
LAX14:52Los Angeles
£142
Find similar
Hawaiian Airlines
22 Oct
LAX08:37Los Angeles
5h 01m
1 stop
SEA13:38Seattle/Tacoma Intl
27 Oct
SEA16:30Seattle/Tacoma Intl
2h 52m
LAX19:22Los Angeles
£155
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momondo Fare Finder

 
Customise your flight search to find flights from Los Angeles to Seattle 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 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 7/10

16:15-23:00

1 stop6h 45m

Seattle/Tacoma Intl

Sat 11/10

07:05-18:30

1 stop11h 25m

£109

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 5/11

11:35-16:30

1 stop4h 55m

Seattle/Tacoma Intl

Wed 12/11

09:35-18:20

2 stops8h 45m

£110

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 3/10

14:03-00:30

1 stop10h 27m

Seattle/Tacoma Intl

Sat 11/10

20:43-07:35

1 stop10h 52m

£111

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 11/10

18:58-21:53

Nonstop2h 55m

Seattle/Tacoma Intl

Sat 18/10

06:35-09:20

Nonstop2h 45m

£116

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 25/10

16:52-19:48

Nonstop2h 56m

Seattle/Tacoma Intl

Sat 1/11

12:58-10:33

1 stop21h 35m

£118

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 18/10

18:58-21:53

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 21/10

17:26-20:11

Nonstop2h 45m

£124

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/11

07:00-10:01

Nonstop3h 01m

Seattle/Tacoma Intl

Sat 8/11

12:30-18:08

1 stop5h 38m

£134

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 26/2

07:00-11:27

1 stop4h 27m

Seattle/Tacoma Intl

Mon 2/3

08:05-14:30

1 stop6h 25m

£135

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 28/10

06:00-11:24

1 stop5h 24m

Seattle/Tacoma Intl

Tue 4/11

14:59-17:51

Nonstop2h 52m

£140

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 7/10

17:30-22:15

1 stop4h 45m

Seattle/Tacoma Intl

Tue 14/10

12:00-14:52

Nonstop2h 52m

£142

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 Seattle from

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

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 Seattle?

The cheapest month to fly to Seattle from Los Angeles is in January. Flight prices, which tend to average around £109, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Seattle, with average flight prices from Los Angeles averaging around £131.

What is the cheapest day to depart on your flight to Seattle?

According to our data, Wednesday is the cheapest day to fly to Seattle from Los Angeles. The lowest ticket price found for a Wednesday departure recently was £248. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Saturday is £1,100.

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

According to our data, the cheapest time of day to fly to Seattle is in the afternoon. momondo users have found flights departing from Los Angeles to Seattle in the afternoon for as low as £248. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at midday are often more expensive, with an average ticket price of £759.

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

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £156 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Los Angeles for as low as £136 on momondo.

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

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

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

As of September 2025, prices for Los Angeles to Seattle flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Los Angeles to Seattle

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

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

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

Best price found

£268

Fastest flight time

2h 50m

Direct flights

Every day

Airports in Seattle

1 airport
The best flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is £268
The fastest flight from Los Angeles to Seattle takes 2h 50m
Direct flights go from Los Angeles to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    A flight from Los Angeles to Seattle/Tacoma Intl will travel around 959.2 mi. Flights usually cover this in 2h 48m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Los Angeles Airport to Seattle/Tacoma Intl 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Los Angeles to Seattle

Compare and see reviews for airlines that fly from Los Angeles to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom £115Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Los Angeles to Seattle

    Alaska Airlines flight deals from Los Angeles to Seattle start from £156 round-trip. Over the 25 Alaska Airlines flights for this route in a normal week, average airfare is usually £340 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Fife
Tukwila
Renton
SeaTac

Why use momondo?

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

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 Seattle from Los Angeles.

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

All flight searches from Los Angeles to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Los Angeles to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Los Angeles to Seattle 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 Seattle trip

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