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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 June , July 2026

25 Jun - 16 Jul $ 897.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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25 Jun - 31 Jul $ 920.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
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25 Jun - 10 Jul $ 926.00
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

25 Jun - 02 Jul $ 903.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SFO
San Francisco
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25 Jun - 01 Jul $ 936.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SFO
San Francisco
Pick dates
25 Jun - 01 Jul $ 948.00
SFO
San Francisco
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SFO
San Francisco
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One-way flights to Seattle from San Francisco

10:58 PM - 6:45 AM
Air Excursions
2 Stops
32h 37m
SFO - BFI
$ 487
Kiwi
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10:58 PM - 6:45 PM
Air Excursions
3 Stops
20h 37m
SFO - BFI
$ 523
Kiwi
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7:01 PM - 5:45 PM
Air Excursions
2 Stops
23h 34m
SFO - BFI
$ 553
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.