Earn point on your loyalty program!arrow arc left

Cheap flights from Seattle (BFI) to San Francisco (SFO)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Seattle (BFI) to San Francisco (SFO)

How to find the cheapest flight from Seattle (BFI) to San Francisco (SFO)
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 Seattle (BFI) to San Francisco (SFO)
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 Seattle (BFI) to San Francisco (SFO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Seattle to San Francisco in June , July 2026

30 Jun - 25 Jul $ 885.00
BFI
Seattle
Air Excursions
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 Jun - 25 Jul $ 978.00
BFI
Seattle
Air Excursions
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 Jun - 25 Jul $ 1,006.00
BFI
Seattle
Air Excursions
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

Last minute flights from Seattle to San Francisco

25 Jun - 30 Jun $ 1,026.00
BFI
Seattle
Air Excursions
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 Jun - 01 Jul $ 1,061.00
BFI
Seattle
Air Excursions
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
29 Jun - 01 Jul $ 1,089.00
BFI
Seattle
Air Excursions
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

One-way flights to San Francisco from Seattle

8:05 AM - 9:47 AM
Frontier Airlines
2 Stops
27h 38m
BFI - SFO
$ 442
Kiwi
Pick dates
5:25 PM - 8:35 AM
Frontier Airlines
2 Stops
17h 3m
BFI - SFO
$ 536
Kiwi
Pick dates
8:05 PM - 9:00 AM
Sun Country Airlines
2 Stops
15h 5m
BFI - SFO
$ 563
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to San Francisco (SFO)

Related info for your journey
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 Seattle (BFI) to San Francisco (SFO)
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 Seattle (BFI) to San Francisco (SFO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.