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Cheap flights from San Francisco (SFO) to Seattle (BFI)

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How to find the cheapest flight from San Francisco (SFO) to Seattle (BFI)

How to find the cheapest flight from San Francisco (SFO) to Seattle (BFI)
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How to find the cheapest flight from San Francisco (SFO) to Seattle (BFI)
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How to find the cheapest flight from San Francisco (SFO) to Seattle (BFI)
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Cheap flights from San Francisco to Seattle in February , March 2026

20 Feb - 09 Mar $ 859.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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20 Feb - 08 Mar $ 876.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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20 Feb - 16 Mar $ 885.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to Seattle

20 Feb - 28 Feb $ 1,833.00
SFO
San Francisco
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
2 STOPS
SFO
San Francisco
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09 Feb - 01 Mar $ 1,849.00
SFO
San Francisco
Hawaiian Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
SFO
San Francisco
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09 Feb - 28 Feb $ 1,872.00
SFO
San Francisco
Hawaiian Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
2 STOPS
SFO
San Francisco
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One-way flights to Seattle from San Francisco

10:13 AM - 7:35 AM
Air Excursions
2 Stops
22h 12m
SFO - BFI
$ 469
Kiwi
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1:36 PM - 5:45 PM
Air Excursions
3 Stops
28h 59m
SFO - BFI
$ 1,167
Kiwi
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10:36 PM - 5:45 PM
Air Excursions
3 Stops
19h 59m
SFO - BFI
$ 1,238
Kiwi
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How to find the cheapest flight from San Francisco (SFO) to Seattle (BFI)

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