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

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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 July , August 2026

29 Jul - 26 Aug $ 830.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates
28 Jul - 25 Aug $ 830.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates
29 Jul - 25 Aug $ 830.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates

Last minute flights from San Diego to Seattle

29 Jul - 31 Jul $ 1,083.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates
28 Jul - 31 Jul $ 1,083.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates
27 Jul - 31 Jul $ 1,083.00
SAN
San Diego
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAN
San Diego
Pick dates

One-way flights to Seattle from San Diego

10:00 AM - 6:45 PM
Air Excursions
2 Stops
9h 35m
SAN - BFI
$ 516
Kiwi
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10:00 AM - 6:45 PM
Air Excursions
2 Stops
9h 35m
SAN - BFI
$ 516
Kiwi
Pick dates
10:00 AM - 9:25 PM
Air Excursions
2 Stops
12h 15m
SAN - BFI
$ 516
Kiwi
Pick dates

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.