฿2,645 Cheap Flights from Los Angeles (LAX) to Seattle (SEA)

Popular airlines from Los Angeles Intl. (LAX) to Seattle-Tacoma International Airport (SEA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at ฿2,645 for one-way flights and ฿5,955 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
United
Delta
United
United
United
Delta
United
United
American Airlines

Frequently asked questions

How much is a flight from Los Angeles Intl. Airport (LAX) to SEA?
If you’re planning on travelling between Los Angeles Intl. Airport (LAX) and SEA, round-trip journeys start from ฿5,955. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don’t delay. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAX to SEA?
This can differ from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from Los Angeles Intl. Airport (LAX) to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Los Angeles Intl. Airport (LAX) to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
The flight from LAX to SEA is around 2 hours and 56 minutes, so don’t get too settled. Chances are the next time you peek out the window you’ll be cruising over SeaTac.
How far is the flight from LAX to SEA?
It’s around 1,550 kilometres between Los Angeles and SeaTac, so you’ll be up in the air for a while. Keep yourself entertained with things like crossword puzzles or a good old-fashioned book.
Which airlines fly direct from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
With a nice range of airlines to pick from, you should be able to find your perfect flight from LAX to Sea-Tac Airport in just a few clicks. Here are some of the most popular carriers with services between these airports:

  • Alaska Airlines - (AS) with 278 monthly flights
  • Delta Air Lines - (DL) with 182 monthly flights
  • American Airlines - (AA) with 82 monthly flights
  • United Airlines - (UA) with 26 monthly flights

Are Los Angeles Intl. Airport (LAX) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from LAX to SEA can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you’d rather play it safe and start planning early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines list their prices so far in advance. Our advice? Check back often as updates are made regularly.
*Available to Expedia members.