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Cheap flights from Los Angeles to Seattle from C$ 98

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 30/8. 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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Find the cheapest flights from Los Angeles to Seattle

Cheap round-trip flights

Southwest Logo
7:25 a.m. - 11:35 a.m.LAX-SEA
4h 10m1 stop
Southwest Logo
5:15 a.m. - 10:50 a.m.SEA-LAX
5h 35m1 stop
C$ 209Southwest
Find Deal
Wed, 10 Dec - Wed, 17 Dec
Southwest Logo
6:50 a.m. - 12:20 p.m.LAX-SEA
5h 30m1 stop
Southwest Logo
2:25 p.m. - 8:35 p.m.SEA-LAX
6h 10m1 stop
C$ 216Southwest
Find Deal
Tue, 16 Sep - Tue, 16 Sep
Southwest Logo
9:25 a.m. - 4:05 p.m.LAX-SEA
6h 40m2 stops
Southwest Logo
9:25 a.m. - 4:30 p.m.SEA-LAX
7h 05m1 stop
C$ 223Southwest
Find Deal
Tue, 28 Oct - Tue, 4 Nov
United Airlines Logo
7:22 p.m. - 10:15 p.m.LAX-SEA
2h 53mdirect
United Airlines Logo
6:25 a.m. - 9:10 a.m.SEA-LAX
2h 45mdirect
C$ 231United Airlines
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Alaska Airlines Logo
10:06 a.m. - 5:53 p.m.LAX-SEA
7h 47m1 stop
Alaska Airlines Logo
7:59 p.m. - 10:56 p.m.SEA-LAX
2h 57mdirect
C$ 249Alaska Airlines
Find Deal
Wed, 3 Sep - Wed, 3 Sep
United Airlines Logo
6:58 p.m. - 9:53 p.m.LAX-SEA
2h 55mdirect
United Airlines Logo
5:26 p.m. - 8:11 p.m.SEA-LAX
2h 45mdirect
C$ 259United Airlines
Find Deal
Fri, 26 Sep - Tue, 30 Sep
Frontier Logo
4:45 p.m. - 7:36 p.m.LAX-SEA
2h 51mdirect
Frontier Logo
6:24 p.m. - 9:14 p.m.SEA-LAX
2h 50mdirect
C$ 264Frontier
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Fri, 5 Sep - Sun, 7 Sep
Frontier Logo
4:45 p.m. - 7:36 p.m.LAX-SEA
2h 51mdirect
Frontier Logo
6:24 p.m. - 9:14 p.m.SEA-LAX
2h 50mdirect
C$ 267Frontier
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Alaska Airlines Logo
8:11 a.m. - 3:00 p.m.LAX-SEA
6h 49m1 stop
Alaska Airlines Logo
6:05 p.m. - 8:45 p.m.SEA-LAX
2h 40mdirect
C$ 277Alaska Airlines
Find Deal
Thu, 4 Sep - Thu, 4 Sep
Delta Logo
7:40 p.m. - 10:25 p.m.LAX-SEA
2h 45mdirect
Delta Logo
10:15 a.m. - 1:09 p.m.SEA-LAX
2h 54mdirect
C$ 299Delta
Find Deal
Fri, 5 Sep - Wed, 10 Sep

Alaska Airlines flights from Los Angeles to Seattle

Our best Alaska Airlines deals on Los Angeles to Seattle flight tickets
Alaska Airlines
3 Sep
LAX10:06 a.m.Los Angeles
7h 47m
1 stop
SEA5:53 p.m.Seattle/Tacoma Intl
3 Sep
SEA7:59 p.m.Seattle/Tacoma Intl
2h 57m
LAX10:56 p.m.Los Angeles
C$ 249
Find similar
Alaska Airlines
4 Sep
LAX8:11 a.m.Los Angeles
6h 49m
1 stop
SEA3:00 p.m.Seattle/Tacoma Intl
4 Sep
SEA6:05 p.m.Seattle/Tacoma Intl
2h 40m
LAX8:45 p.m.Los Angeles
C$ 277
Find similar
Alaska Airlines
15 Oct
LAX8:00 a.m.Los Angeles
4h 13m
1 stop
SEA12:13 p.m.Seattle/Tacoma Intl
15 Oct
SEA2:16 p.m.Seattle/Tacoma Intl
4h 57m
1 stop
LAX7:13 p.m.Los Angeles
C$ 289
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United Airlines flights from Los Angeles to Seattle

Our best United Airlines deals on Los Angeles to Seattle flight tickets
United Airlines
13 Sep
LAX7:22 p.m.Los Angeles
2h 53m
SEA10:15 p.m.Seattle/Tacoma Intl
20 Sep
SEA6:25 a.m.Seattle/Tacoma Intl
2h 45m
LAX9:10 a.m.Los Angeles
C$ 231
Find similar
United Airlines
26 Sep
LAX6:58 p.m.Los Angeles
2h 55m
SEA9:53 p.m.Seattle/Tacoma Intl
30 Sep
SEA5:26 p.m.Seattle/Tacoma Intl
2h 45m
LAX8:11 p.m.Los Angeles
C$ 259
Find similar
United Airlines
10 Sep
LAX7:22 p.m.Los Angeles
2h 53m
SEA10:15 p.m.Seattle/Tacoma Intl
15 Sep
SEA6:25 a.m.Seattle/Tacoma Intl
2h 45m
LAX9:10 a.m.Los Angeles
C$ 271
Find similar

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 14 August 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

Wed 10/12

7:25 a.m.-11:35 a.m.

1 stop4h 10m

Seattle/Tacoma Intl

Wed 17/12

5:15 a.m.-10:50 a.m.

1 stop5h 35m

C$ 209

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 16/9

6:50 a.m.-12:20 p.m.

1 stop5h 30m

Seattle/Tacoma Intl

Tue 16/9

2:25 p.m.-8:35 p.m.

1 stop6h 10m

C$ 216

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 28/10

9:25 a.m.-4:05 p.m.

2 stops6h 40m

Seattle/Tacoma Intl

Tue 4/11

9:25 a.m.-4:30 p.m.

1 stop7h 05m

C$ 223

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 13/9

7:22 p.m.-10:15 p.m.

Nonstop2h 53m

Seattle/Tacoma Intl

Sat 20/9

6:25 a.m.-9:10 a.m.

Nonstop2h 45m

C$ 231

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 3/9

10:06 a.m.-5:53 p.m.

1 stop7h 47m

Seattle/Tacoma Intl

Wed 3/9

7:59 p.m.-10:56 p.m.

Nonstop2h 57m

C$ 249

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 26/9

6:58 p.m.-9:53 p.m.

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 30/9

5:26 p.m.-8:11 p.m.

Nonstop2h 45m

C$ 259

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 5/9

4:45 p.m.-7:36 p.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 7/9

6:24 p.m.-9:14 p.m.

Nonstop2h 50m

C$ 264

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 5/9

4:45 p.m.-7:36 p.m.

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 7/9

6:24 p.m.-9:14 p.m.

Nonstop2h 50m

C$ 267

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 4/9

8:11 a.m.-3:00 p.m.

1 stop6h 49m

Seattle/Tacoma Intl

Thu 4/9

6:05 p.m.-8:45 p.m.

Nonstop2h 40m

C$ 277

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 5/9

7:40 p.m.-10:25 p.m.

Nonstop2h 45m

Seattle/Tacoma Intl

Wed 10/9

10:15 a.m.-1:09 p.m.

Nonstop2h 54m

C$ 299

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between Los Angeles and Seattle?

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 244.

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

Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 202. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 574. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Los Angeles to Seattle during this time can be as low as C$ 199. Flights in the morning are often more expensive with an average ticket price of C$ 464.

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 C$ 288 when searching weeks out. 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 C$ 251 on momondo.

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

There are 3 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 August 2025, prices for Los Angeles to Seattle flights are approximately 9% cheaper 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 round-trip 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

C$ 98

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Los Angeles in the past 72 hours is C$ 98. The best round-trip flight deal from Los Angeles to Seattle found on momondo in the last 72 hours is C$ 209.
The fastest flight from Los Angeles to Seattle takes 2h 45m
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?

    The distance between Los Angeles and Seattle/Tacoma Intl is about 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 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable 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 C$ 188Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Los Angeles to Seattle

    Alaska Airlines flies from Los Angeles to Seattle around 20 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Los Angeles to Seattle in the last 72 hours was C$ 136 (round-trip), much lower than the average airfare cost of C$ 237 for Alaska Airlines flights on this route.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Marysville
Tacoma
SeaTac
Kirkland
Redmond
Olympia
Ocean Shores
Shoreline
Ellensburg
Tukwila
Gig Harbor
Renton
Mukilteo
Cle Elum
Poulsbo
Puyallup
Kent
Centralia

Why use momondo?

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

It is quick and easy to find Los Angeles to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

Yes. momondo enables you to select and highlight flights to Seattle from Los Angeles with this policy.

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

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

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.

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