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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 November , December 2025

23 Nov - 18 Dec $ 904.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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27 Nov - 18 Dec $ 935.00
SFO
San Francisco
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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23 Nov - 12 Dec $ 956.00
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

23 Nov - 01 Dec $ 1,085.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
Pick dates
23 Nov - 01 Dec $ 1,115.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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27 Nov - 01 Dec $ 1,141.00
SFO
San Francisco
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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One-way flights to Seattle from San Francisco

11:38 AM - 2:45 PM
Air Excursions
2 Stops
27h 57m
SFO - BFI
$ 501
Kiwi
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3:12 PM - 2:45 PM
Air Excursions
3 Stops
24h 23m
SFO - BFI
$ 539
Kiwi
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7:37 PM - 4:05 PM
Air Excursions
2 Stops
21h 18m
SFO - BFI
$ 622
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.