Direct flights from Los Angeles to Seattle LAX → SEA
Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, SkyWest Airlines and United Airlines fly nonstop from Los Angeles (LAX) to Seattle (SEA), several times daily. The flight takes about 2h 28m and covers 955 miles (1,537 km). Round-trip fares typically run around $292, with recent bookable fares from $66. Arrivals run on time 80.9% at LAX and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 30 August 2026.
60-day flexibility overview based on 2716 recent fares across the next 60 days
What flexibility is worth here
Flying in October rather than December typically saves $100 on LAX → SEA.
Typical round-trip fare by departure month, across the 5 months we currently track.
How long you stay changes it too
Staying 10–16 nights typically costs $143 less than 6–9 nights.
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American Airlines
AA
Alaska Airlines
AS
Delta Air Lines
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United Airlines
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Departure Schedule typical week
Typical weekly schedule · 134 flights per week (~19 per day) · Updated 66d ago
American Airlines
Alaska Airlines
Delta Air Lines
United Airlines
Frequently asked questions
Is there a direct flight from Los Angeles to Seattle?
Yes, Alaska Airlines, American Airlines and 4 more airlines operate nonstop flights from Los Angeles (LAX) to Seattle (SEA).
Which airlines fly direct from Los Angeles to Seattle?
Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, SkyWest Airlines, United Airlines operate nonstop flights from Los Angeles to Seattle.
How long is the flight from Los Angeles to Seattle?
The nonstop flight from Los Angeles to Seattle takes ~2h 28m (approximately 1537 km).
How often do direct flights operate from Los Angeles to Seattle?
Nonstop flights from Los Angeles to Seattle operate multiple daily — 134 flights per week (~19 per day).
What is the on-time performance for flights from Los Angeles to Seattle?
Arrivals run on time 80.9% at LAX and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from Los Angeles to Seattle?
Direct flights from Los Angeles to Seattle operate every day of the week. American Airlines flies Friday, Saturday, and Sunday, Alaska Airlines flies daily, Delta Air Lines flies daily, and United Airlines flies Tuesday and Wednesday.
How much is a round-trip flight from Los Angeles to Seattle?
Round-trip flights from Los Angeles (LAX) to Seattle (SEA) start at $66, with a typical fare around $292. Based on 2716 recent fare combinations.
What is the cheapest month to fly from Los Angeles to Seattle?
Across the 5 departure months we currently track, October 2026 is the cheapest month to fly round trip from Los Angeles to Seattle, with typical fares around $257 — versus about $357 in December 2026, the most expensive.
Does trip length change the round-trip fare from Los Angeles to Seattle?
Typical round-trip fares from Los Angeles (LAX) to Seattle (SEA) by trip length: a week away (6–9 nights) about $297, around two weeks (10–16 nights) about $154, and a longer stay (17+ nights) about $154. Medians from 2716 recent fare combinations.
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Scout — our search agent — priced 2,644 fares on this route in the past week, cheapest $66 round trip. It hunts nonstop fares from Los Angeles every night and pings you when one's worth booking.
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