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Cheap flights from San Diego (SAN) 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 Diego (SAN) to Seattle (BFI)

How to find the cheapest flight from San Diego (SAN) to Seattle (BFI)
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How to find the cheapest flight from San Diego (SAN) to Seattle (BFI)
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How to find the cheapest flight from San Diego (SAN) to Seattle (BFI)
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Cheap flights from San Diego to Seattle in June , July 2026

22 Jun - 29 Jul $ 816.00
SAN
San Diego
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
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22 Jun - 16 Jul $ 865.00
SAN
San Diego
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
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22 Jun - 24 Jul $ 905.00
SAN
San Diego
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
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Last minute flights from San Diego to Seattle

22 Jun - 01 Jul $ 865.00
SAN
San Diego
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAN
San Diego
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22 Jun - 01 Jul $ 878.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
SAN
San Diego
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22 Jun - 01 Jul $ 909.00
SAN
San Diego
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
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One-way flights to Seattle from San Diego

9:43 AM - 9:25 PM
Air Excursions
3 Stops
12h 32m
SAN - BFI
$ 457
Kiwi
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9:43 AM - 9:25 AM
Air Excursions
2 Stops
24h 32m
SAN - BFI
$ 470
Kiwi
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9:43 AM - 6:45 AM
Air Excursions
2 Stops
21h 52m
SAN - BFI
$ 525
Kiwi
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How to find the cheapest flight from San Diego (SAN) to Seattle (BFI)

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