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Cheap flights from San Jose (SJC) 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 San Jose (SJC) to Seattle (BFI)

How to find the cheapest flight from San Jose (SJC) to Seattle (BFI)
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How to find the cheapest flight from San Jose (SJC) to Seattle (BFI)
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How to find the cheapest flight from San Jose (SJC) to Seattle (BFI)
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Cheap flights from San Jose to Seattle in December 2025 , January 2026

23 Dec - 12 Jan $ 950.00
SJC
San Jose
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SJC
San Jose
Pick dates
23 Dec - 16 Jan $ 950.00
SJC
San Jose
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SJC
San Jose
Pick dates
23 Dec - 30 Jan $ 964.00
SJC
San Jose
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SJC
San Jose
Pick dates

Last minute flights from San Jose to Seattle

23 Dec - 01 Jan $ 1,269.00
SJC
San Jose
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SJC
San Jose
Pick dates
21 Dec - 01 Jan $ 1,370.00
SJC
San Jose
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SJC
San Jose
Pick dates
23 Dec - 01 Jan $ 1,517.00
SJC
San Jose
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SJC
San Jose
Pick dates

One-way flights to Seattle from San Jose

6:36 PM - 5:25 PM
Air Excursions
3 Stops
23h 39m
SJC - BFI
$ 560
Kiwi
Pick dates
7:48 PM - 6:45 AM
Air Excursions
3 Stops
35h 47m
SJC - BFI
$ 662
Kiwi
Pick dates
7:48 PM - 5:35 AM
Air Excursions
3 Stops
34h 37m
SJC - BFI
$ 718
Kiwi
Pick dates

How to find the cheapest flight from San Jose (SJC) to Seattle (BFI)

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