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Find cheap one-way flights from Los Angeles to Seattle starting at US$45.

Book one-way or return flights from Los Angeles to Seattle from as little as US$45. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

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

When is the cheapest time to book flights from Los Angeles to Seattle?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Los Angeles to Seattle

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines
From US$45
Delta Air Lines
From US$68
Frontier Airlines
From US$71
Southwest Airlines
From US$88
Jetblue Airways
From US$95
Alaska Airlines
From US$107
United Airlines
From US$123
Sun Country Airlines
From US$141
Allegiant Air
From US$255
American Airlines
From US$259
ANA airlines

Find more flights and airlines

Find cheap flights from Los Angeles to Seattle by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Los Angeles to Seattle.

  • Cheapest
    Spirit Airlines
    LAX
    16:16
    4h 39m
    1 transfer
    SEA
    20:55
    Los Angeles International Airport - Seattle-Tacoma International Airport
    Wed, May 8Spirit Airlines
    US$45
  • Spirit Airlines
    LAX
    16:16
    4h 39m
    1 transfer
    SEA
    20:55
    Los Angeles International Airport - Seattle-Tacoma International Airport
    Wed, May 8Spirit Airlines
    US$45
    Find More Flights

Frequently Asked Questions

  • 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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Los Angeles (LAX) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around $243.
  • How long does it take to fly from Los Angeles (LAX) to Seattle (SEA) and what is the distance?

    It takes around 2 hours 53 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. It takes about 30 minutes by taxi.
  • 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): Air Tahiti Nui, Qatar Airways, Alaska Airlines, Delta Air Lines, Iberia, United Airlines, British Airways and American Airlines.

Los Angeles to Seattle Flight Information

Cheapest nonstop flight price

$45

Cheapest round-trip ticket price

$112

Off-season for travel

January

Peak season for travel

April

What You Should Know about Flights from Los Angeles to Seattle