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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 March , April 2026

23 Mar - 14 Apr $ 822.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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23 Mar - 15 Apr $ 822.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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23 Mar - 21 Apr $ 822.00
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

17 Mar - 01 Apr $ 1,246.00
SFO
San Francisco
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SFO
San Francisco
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17 Mar - 01 Apr $ 1,274.00
SFO
San Francisco
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
SFO
San Francisco
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17 Mar - 01 Apr $ 1,346.00
SFO
San Francisco
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
SFO
San Francisco
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One-way flights to Seattle from San Francisco

10:35 PM - 2:45 PM
Air Excursions
2 Stops
17h
SFO - BFI
$ 449
Kiwi
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7:32 PM - 2:45 PM
Air Excursions
2 Stops
20h 3m
SFO - BFI
$ 452
Kiwi
Pick dates
10:35 PM - 2:45 PM
Air Excursions
2 Stops
17h
SFO - BFI
$ 471
Kiwi
Pick dates

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.