Flight deals from Los Angeles to Seattle

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Los Angeles to Seattle

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Cheapest flights

From price

6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Los Angeles (LAX) to Seattle (SEA) the cheapest?

Airlines adjust prices for flights from Los Angeles to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Los Angeles (LAX) to Seattle (SEA) cost?

According to Trip.com's data, the lowest price is around £135.
How long is the flight from Los Angeles (LAX) to Seattle (SEA)?

It takes about 3 hours 13 minutes to fly from Los Angeles (LAX) to Seattle (SEA).
What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
What are the most popular airlines that fly from Los Angeles (LAX) to Seattle (SEA)?

Airlines with flights from Los Angeles (LAX) to Seattle (SEA): Alaska Airlines, Qatar Airways, United Airlines, American Airlines, Delta Air Lines, Hawaiian Airlines, Air Tahiti Nui, British Airways and KLM.
What's the most popular airline for direct flights from Los Angeles (LAX) to Seattle (SEA)?

Delta Air Lines operates 26 direct flights from Los Angeles (LAX) to Seattle (SEA).
How many airports in Seattle (SEA)?

There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle-Tacoma International Airport.

How to find a cheap flight from Los Angeles to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Los Angeles to Seattle. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Los Angeles to Seattle.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Los Angeles to Seattle over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, May 7, with one-way flights priced at just £7.

Compare cheap flight deals from Los Angeles to Seattle across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Los Angeles to Seattle. The cheapest airline for this route is Frontier Airlines.

Set up a Price Alert

By setting up a Price Alert for your journey from Los Angeles to Seattle, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Los Angeles to Seattle.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Los Angeles to Seattle and snag some exclusive deals just for you.

Flight Information from Los Angeles to Seattle

Cheapest one-way flight price	£7
Cheapest return ticket price	£21
Off-season travel month	May
Peak season for travel	June
Flight distance	1,538km
Average flight time	3 hours 13 minutes
Popular airline	Alaska Airlines