LAX - SEA

£50 Find Cheap Flights from Los Angeles to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Los Angeles to Seattle departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Seattle, as well as popular online travel agencies
Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£83
Overall average: £117
Frontier
Sat 10/1Sat 17/1
LAX - SEA • 1 stop
Cheapest direct flights
£104
Typical prices: £66-£178
United Airlines
Sat 10/1Sat 17/1
LAX - SEA • Direct
Our travellers' advice
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Delta offers free Wi-Fi for SkyMiles members.
Pay extra for carry-on with Spirit to board first.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 30% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Los Angeles to Seattle (LAX-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Los Angeles to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Los Angeles to Seattle

Sat, 10 Jan - Sat, 17 Jan
Frontier Logo
07:00 - 13:34
LAX
-
SEA
6h 34m1 stop
Frontier Logo
14:02 - 16:50
SEA
-
LAX
2h 48mdirect
£83Frontier
Sat, 10 Jan - Sat, 17 Jan
United Airlines Logo
13:15 - 16:29
LAX
-
SEA
3h 14mdirect
United Airlines Logo
09:00 - 11:59
SEA
-
LAX
2h 59mdirect
£104United Airlines
Sat, 24 Jan - Sat, 31 Jan
American Airlines Logo
20:58 - 23:59
LAX
-
SEA
3h 01mdirect
American Airlines Logo
19:52 - 22:40
SEA
-
LAX
2h 48mdirect
£105American Airlines
Tue, 20 Jan - Tue, 3 Feb
United Airlines Logo
16:15 - 21:12
LAX
-
SEA
4h 57m1 stop
United Airlines Logo
09:00 - 11:59
SEA
-
LAX
2h 59mdirect
£108United Airlines
Tue, 6 Jan - Tue, 13 Jan
Southwest Logo
14:30 - 18:35
LAX
-
SEA
4h 05m1 stop
Southwest Logo
12:45 - 16:55
SEA
-
LAX
4h 10m1 stop
£111Southwest
Tue, 20 Jan - Tue, 3 Feb
United Airlines Logo
16:45 - 19:55
LAX
-
SEA
3h 10mdirect
United Airlines Logo
09:00 - 11:59
SEA
-
LAX
2h 59mdirect
£113United Airlines
Sat, 10 Jan - Sat, 17 Jan
Southwest Logo
08:25 - 12:40
LAX
-
SEA
4h 15m1 stop
Southwest Logo
09:05 - 13:30
SEA
-
LAX
4h 25m1 stop
£114Southwest
Sat, 10 Jan - Sun, 18 Jan
Southwest Logo
08:25 - 12:40
LAX
-
SEA
4h 15m1 stop
Southwest Logo
06:05 - 12:10
SEA
-
LAX
6h 05m1 stop
£114Southwest
Wed, 7 Jan - Wed, 14 Jan
Delta Logo
19:29 - 22:24
LAX
-
SEA
2h 55mdirect
Delta Logo
19:35 - 22:21
SEA
-
LAX
2h 46mdirect
£117Delta
Sat, 10 Jan - Sun, 11 Jan
Southwest Logo
08:25 - 12:40
LAX
-
SEA
4h 15m1 stop
Southwest Logo
18:15 - 22:20
SEA
-
LAX
4h 05m1 stop
£118Southwest
Booking Insights

KAYAK's insights & trends for Los Angeles to Seattle flights

Get data-powered insights and trends into flights from Los Angeles to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Los Angeles to Seattle?

The average price of all round-trip flights from Los Angeles to Seattle clicked on KAYAK for each day over the last 12 months.

For Los Angeles to Seattle, Friday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Seattle back to Los Angeles, the best deals are generally found on Saturday, with Friday being the most expensive.

What is the cheapest month to fly from Los Angeles to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Los Angeles to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Los Angeles to Seattle is January, where tickets cost £117 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is £199 and £192 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Los Angeles to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Los Angeles to Seattle, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Los Angeles to Seattle

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Delta

Delta offers free Wi-Fi for SkyMiles members on domestic flights, enhancing productivity and connectivity.


Delta's Sky Priority check-in speeds up the process for premium cabin and elite status passengers.

Virgin Atlantic

Virgin Atlantic's Economy Delight offers extra legroom and priority boarding, enhancing comfort and convenience.


Virgin Atlantic provides in-flight Wi-Fi packages for browsing or streaming, keeping you connected.

Airports
LAX

For a smooth departure from LAX, book parking in advance to secure the best rates and avoid full lots.

SEA

Use the Link light rail for a cost-effective 40-minute trip from SEA to downtown Seattle, avoiding high ride-hailing fares.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta and LAX

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Laura Ratliff

Laura Ratliff

Expert on Virgin Atlantic

Laura Ratliff

Laura Ratliff

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Read more
Harriet Baskas

Harriet Baskas

Expert on SEA

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Good to know - Cheap tickets from Los Angeles to Seattle

Low seasonFebruary
Cheapest flight£50
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly (16% more expensive on average)
Flight from Los Angeles to Seattle

When to book flights from Los Angeles to Seattle

Are your dates flexible? Find out the best times to travel from Los Angeles to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Los Angeles to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Los Angeles to Seattle 
PaulFlew with Alaska Airlines
LAX
-
SEA
Mar 2025
Be patient. Get there early. Ignore the crazies in LAX.
TerrieFlew with Spirit Airlines
LAX
-
SEA
Oct 2024
Get there early just in case there’s traffic’s
SaraFlew with Spirit Airlines
LAX
-
SEA
Aug 2024
Pay extra for the carry on and we got to board 1st. I did not pay to sit together but when I checked in the day before we were all 3 together.

FAQs for booking flights from Los Angeles to Seattle

  • What is the best way to travel from Seattle–Tacoma International Airport to downtown Seattle?

    Seattle–Tacoma International Airport is located just under 15 miles from downtown Seattle. The quickest way to travel between these two locations is by taxi or rental car, and the trip takes approximately 25 minutes without any additional traffic. It is also possible to use the local train system, which takes just under 45 minutes.

  • Does Seattle–Tacoma International Airport have any pet relief areas?

    If you are traveling with either a pet or service animal, you will most likely need to take them to a relief area after your flight has landed. There are currently 2 relief areas that are located outside the Main Hall of Seattle–Tacoma International Airport, as well as 3 indoor relief areas that are distributed throughout the different departure terminals.

  • Can I store my luggage at Seattle–Tacoma International Airport?

    Interested in storing some of your luggage at Seattle–Tacoma International Airport? Stop by the baggage storage counter that is located in the main baggage claim. This counter offers both daily and hourly rates and can store as much luggage as you would like.

  • What is there to do at Los Angeles International Airport?

    Hoping to find a way to pass the time in Los Angeles International Airport before your flight takes off? There is a Flight Path Museum located in the Main Terminal and features several exhibits related to Southern California’s aviation history. Additionally, travelers can access an Observation Deck in the Departures Wing that allows them to watch the airport’s planes take off and land.

  • What is the cheapest flight from Los Angeles to Seattle?

    In the last 3 days, the lowest price for a flight from Los Angeles to Seattle was £50 for a one-way ticket and £83 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Los Angeles to Seattle?

    All the following airlines offer inflight Wi-Fi service on the Los Angeles to Seattle flight route: Alaska Airlines, Delta, American Airlines, Hawaiian Airlines, Japan Airlines, and Asiana Airlines.

  • Which aircraft models fly most regularly from Los Angeles to Seattle?

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Los Angeles to Seattle flight route.

  • On which days can I fly direct from Los Angeles to Seattle?

    There are direct flights from Los Angeles to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Los Angeles to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Los Angeles to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Los Angeles to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Los Angeles is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Los Angeles to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Los Angeles with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Los Angeles to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Los Angeles up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Los Angeles to Seattle

  • Interested in booking direct flights from Los Angeles to Seattle? While there are several companies to choose from, Alaskan Airlines is a particularly popular choice due to its many flight options between these two destinations as well as its complimentary snacks and drinks, comfortable chairs, and outlets found at every seat.
  • If you plan on taking a substantial amount of luggage with you on your flight from Los Angeles to Seattle, consider booking with Southwest, as this company allows you to check up to two bags for free. However, it’s important to keep in mind that Southwest does not fly directly between Los Angeles International Airport and Seattle–Tacoma International Airport, so you will have to have a layover.
  • Traveling to Seattle with your family? Make sure to bring the kids to Seattle–Tacoma International Airport’s play area located next to Gate A in the Central Terminal. This play area features a variety of games and activities that are a convenient way for kids to burn some energy after a day of traveling.
  • Before you travel through Seattle–Tacoma International Airport, make sure to check the airport’s live music calendar on their website. A variety of local bands and artists are continually playing throughout the different terminals, and their performances are free for all travelers to enjoy.
  • If you book your ticket with American Airlines, Virgin Atlantic, or Delta Airlines, make sure to see if you are eligible for free access their private lounges in Los Angeles International Airport. These lounges provide travelers with complimentary snacks, TV, and a comfortable place to relax while waiting for a flight to take off.

Prefer to fly direct from Los Angeles to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Los Angeles to Seattle/Tacoma Intl.
Find which airlines fly direct from Los Angeles Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Los Angeles to Seattle/Tacoma Intl

Monday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Tuesday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Wednesday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Thursday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Friday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Saturday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Sunday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Los Angeles

Monday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Tuesday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Wednesday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Thursday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Friday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Saturday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

Sunday

Alaska Airlines, American Airlines, Delta, +2 more

Alaska Airlines, American Airlines, +3 more

See more direct flights

Everything you need to know for your flight from Los Angeles to Seattle

Information on your arrival and departure airports

Compare transportation modes for Los Angeles to Seattle

Transportation modeAverage priceAverage duration
Flights£6172h 46m
Trains£35533h 33m