LAX - SEA

$102 Find Cheap Flights from Los Angeles to Seattle - Compare and Save

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 8/16. 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

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Everything you should know

Cheapest round-trip
$197
Typical prices: $204-$357
Frontier
Sun 8/16Tue 8/18
LAX - SEA • Non-stop
Cheapest one-way
$102
Typical prices: $138-$303
Frontier
Sun 8/16
LAX - SEA • 1 stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Frontier Economy Bundle adds a carry-on, seat choice, and no change fees.
Delta free Wi-Fi beats United's free messaging; Alaska speeds bags after landing.
Expert advice
Expert advice
+1
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Expert advice
Expert advice
+1
Nonstop flights
You can fly direct with Alaska Airlines, American Airlines and others. Average duration is 2h 49m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 94% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
Good to know
+1
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Good to know
Good to know
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Flight Deals
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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 round-trip 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 round-trip flight deals from Los Angeles to Seattle

Sun, Aug 16 - Tue, Aug 18
Frontier Logo
3:04 pm - 5:51 pm
LAX
-
SEA
2h 47mnonstop
Frontier Logo
10:34 am - 1:34 pm
SEA
-
LAX
3h 00mnonstop
$197Frontier
Sat, Aug 8 - Tue, Aug 18
Frontier Logo
3:04 pm - 5:51 pm
LAX
-
SEA
2h 47mnonstop
Frontier Logo
10:34 am - 1:34 pm
SEA
-
LAX
3h 00mnonstop
$198Frontier
Sat, Sep 5 - Sun, Sep 13
Multiple Airlines Logo
9:26 am - 4:56 pm
LAX
-
SEA
7h 30m
1 stop
Multiple Airlines Logo
11:06 am - 2:01 pm
SEA
-
LAX
2h 55mnonstop
$199Multiple Airlines
Thu, Aug 6 - Fri, Aug 14
Frontier Logo
9:09 pm - 11:04 am
LAX
-
SEA
13h 55m
1 stop
Frontier Logo
7:06 pm - 12:11 am
SEA
-
LAX
29h 05m
1 stop
$200Frontier
Sat, Sep 5 - Thu, Sep 10
Multiple Airlines Logo
6:29 pm - 10:39 pm
LAX
-
SEA
4h 10m
1 stop
Multiple Airlines Logo
11:06 am - 2:01 pm
SEA
-
LAX
2h 55mnonstop
$201Multiple Airlines
Fri, Sep 4 - Tue, Sep 15
Frontier Logo
9:09 pm - 9:19 am
LAX
-
SEA
12h 10m
1 stop
Frontier Logo
2:15 pm - 5:03 pm
SEA
-
LAX
2h 48mnonstop
$202Frontier
Thu, Aug 13 - Tue, Aug 18
Frontier Logo
3:04 pm - 5:51 pm
LAX
-
SEA
2h 47mnonstop
Frontier Logo
8:53 pm - 9:29 am
SEA
-
LAX
12h 36m
1 stop
$203Frontier
Thu, Aug 13 - Tue, Aug 18
Frontier Logo
3:04 pm - 5:51 pm
LAX
-
SEA
2h 47mnonstop
Frontier Logo
10:34 am - 1:34 pm
SEA
-
LAX
3h 00mnonstop
$204Frontier
Tue, Aug 4 - Sat, Aug 15
Frontier Logo
3:04 pm - 5:51 pm
LAX
-
SEA
2h 47mnonstop
Frontier Logo
10:34 am - 1:34 pm
SEA
-
LAX
3h 00mnonstop
$205Frontier
Sun, Sep 6 - Thu, Sep 10
Frontier Logo
3:04 pm - 5:51 pm
LAX
-
SEA
2h 47mnonstop
Frontier Logo
11:06 am - 2:01 pm
SEA
-
LAX
2h 55mnonstop
$206Frontier
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.

How much is a round-trip flight from Los Angeles to Seattle?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Los Angeles to Seattle departing in August.

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.

When flying from Los Angeles to Seattle, you should consider leaving on a Thursday and avoid Mondays if you are looking for the best rates. For your return to Los Angeles, you’ll find the best rates on Thursdays and the most expensive ones on Mondays.

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 March, where tickets cost $206 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $325 and $305 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 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 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.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier, Delta, United Airlines and LAX

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 on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

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, USA TODAY, 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.

Good to know

Low season

January

Cheapest flight

$102
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 22% increase in price.
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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 travelers 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.

  • Can I take public transport to LAX?

    Yes, there is public transportation available from downtown Los Angeles to the Los Angeles International Airport (LAX) as a way to avoid the busy traffic or parking situation. The bus service is called LAX FlyAway and departs from the city’s Union Station. The trip is more or less 35 minutes long, and you can expect the fare to be about $10.

  • Where can I take my pets to relieve themselves at LAX Airport?

    Before departing out of Los Angeles International Airport (LAX) with your pet or service animal, locate one of the pet relief areas on site. Make your way to the closest relief station to your departure gate. There are ones by Gates 13, 21, 52B, and 73 in Terminals 1, 2, 5, and 7, respectively. There’s an area in the outdoor atriums of Terminals 3 and 6, and along the bridge to TBIT in Terminal 4.

  • How can I get from Seattle-Tacoma to the Pike Place Market?

    Pike Place Market is one of the iconic destinations of Downtown Seattle. Once you land at Seattle-Tacoma International Airport (SEA) it’s straightforward to go directly to Pike Place Market. Make your way to the Sea-Tac/Airport Light Rail Station and catch the 1-Line towards Northgate. This light rail takes about 45 minutes and leaves you just a couple of blocks away from the market.

  • Are there any smoking areas in Seattle-Tacoma (SEA)?

    The Seattle-Tacoma International Airport (SEA) is a smoke-free area. So, if you wish to smoke once you’ve landed at the airport, you must locate one of the designated smoking areas. They’re all outdoors. On the departures level, it’s on the north end of the drop-off area, and on the arrivals level, there’s one on each end. There’s also a designated smoking area outside Level 1 of the parking garage.

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

    In the last 5 days, the lowest price for a flight from Los Angeles to Seattle was $102 for a one-way ticket and $197 for a round-trip.

  • Do I need a passport to fly between Los Angeles and Seattle?

    No

  • 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, JetBlue, British Airways, Iberia, and Finnair.

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

    The Airbus A321neo is the aircraft model that flies most regularly on the Los Angeles to Seattle flight route.

  • Which airline alliances offer flights from Los Angeles to Seattle?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Los Angeles and Seattle, with Star Alliance being the most commonly used for this route.

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

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

  • Which is the best airline for flights from Los Angeles to Seattle, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Los Angeles to Seattle are Southwest and Alaska Airlines. With an average price for the route of $321 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $288 and an overall rating of 7.9.

  • 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 round-trip ticket. You could then fly to Seattle with an airline and back to Los Angeles with another airline. Booking your flights between Los Angeles and SEA can sometimes prove cheaper using this method.

  • 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

  • Looking for a cheap flight? 25% of our users found flights on this route for $172 or less one-way and $275 or less round-trip.
  • 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.
  • In LAX you will find nursing pods near Gates 13, 21B, 45, and 64B respectively in Terminals 1, 2, 4, and 6. There is also a spot in Terminal 5 across from the food court, just past security in Terminal 7, and in Terminal 8 they’re by the restrooms.
  • LAX supports local artists and diversity, displaying their art around the terminals. Check out the pieces of this program if you have time to spare before your flight to Seattle. For instance, in Terminal 1 there is the Floating Lady IV and in Terminal 7, The Let Go.
  • Relax and decompress before your flight out of Los Angeles Airport boards. Visit one of the massage and relaxation areas around LAX Airport. For example, there’s the Be Relax in Terminal 1 across from Gate 11B.
  • You may find more routes or more affordable rates when booking flights from Los Angeles (LAX) to Seattle (SEA) with a layover instead of nonstop trips. In this case, look for the Spirit Airlines flights that stop in Las Vegas (LAS) or the United Airlines journeys stopping in San Francisco (SFO).
  • To get around Seattle-Tacoma International Airport (SEA) upon your arrival, use the SEA underground train. It’s free of charge and connects the different concourses. You’ll especially need it to get from the N and S Concourses since they are not connected to the main terminal by walkways.

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 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 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 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

Other airlines flying from Los Angeles to Seattle

Flights from the other most popular airlines that fly from Los Angeles to Seattle according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.