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

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0 Children (2~11)
0 Infants (0~2)
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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 December 2025 , January 2026

30 Dec - 15 Jan $ 829.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
30 Dec - 12 Jan $ 829.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
30 Dec - 09 Jan $ 829.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates

Last minute flights from Los Angeles to Seattle

25 Dec - 01 Jan $ 843.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
30 Dec - 01 Jan $ 896.00
LAX
Los Angeles
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
LAX
Los Angeles
Pick dates
23 Dec - 01 Jan $ 963.00
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

2:07 PM - 6:45 PM
Air Excursions
1 Stops
5h 28m
LAX - BFI
$ 482
Kiwi
Pick dates
9:15 AM - 5:25 PM
Air Excursions
2 Stops
9h
LAX - BFI
$ 506
Kiwi
Pick dates
2:07 PM - 6:45 PM
Air Excursions
1 Stops
5h 28m
LAX - BFI
$ 542
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.