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Cheap flights from Los Angeles (LAX) to Seattle (BFI)

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0 Children (2~11)
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How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)

How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)
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How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)
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How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)
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Cheap flights from Los Angeles to Seattle in May , June 2026

28 May - 08 Jun $ 603.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
28 May - 19 Jun $ 668.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
28 May - 12 Jun $ 674.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
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Last minute flights from Los Angeles to Seattle

28 May - 31 May $ 819.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
21 May - 31 May $ 836.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
29 May - 31 May $ 865.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
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One-way flights to Seattle from Los Angeles

9:20 AM - 4:05 PM
Air Excursions
1 Stops
7h 35m
LAX - BFI
$ 315
Kiwi
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9:20 AM - 4:05 PM
Air Excursions
1 Stops
7h 35m
LAX - BFI
$ 332
Kiwi
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9:20 AM - 4:05 PM
Air Excursions
1 Stops
7h 35m
LAX - BFI
$ 361
Kiwi
Pick dates

How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Los Angeles (LAX) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.