Earn point on your loyalty program!arrow arc left

Cheap flights from Seattle (BFI) to Buffalo (BUF)

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 Buffalo (BUF)

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

Cheap flights from Seattle to Buffalo in June , July 2026

29 Jun - 27 Jul $ 867.00
BFI
Seattle
Air Excursions
2 STOPS
BUF
Buffalo
BUF
Buffalo
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
23 Jun - 27 Jul $ 867.00
BFI
Seattle
Air Excursions
2 STOPS
BUF
Buffalo
BUF
Buffalo
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
29 Jun - 28 Jul $ 867.00
BFI
Seattle
Air Excursions
2 STOPS
BUF
Buffalo
BUF
Buffalo
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

Last minute flights from Seattle to Buffalo

23 Jun - 30 Jun $ 1,032.00
BFI
Seattle
Air Excursions
2 STOPS
BUF
Buffalo
BUF
Buffalo
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
25 Jun - 30 Jun $ 1,132.00
BFI
Seattle
Air Excursions
2 STOPS
BUF
Buffalo
BUF
Buffalo
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
28 Jun - 30 Jun $ 1,132.00
BFI
Seattle
Air Excursions
2 STOPS
BUF
Buffalo
BUF
Buffalo
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

One-way flights to Buffalo from Seattle

8:05 PM - 11:00 AM
JetBlue Airways
2 Stops
13h 26m
BFI - BUF
$ 491
Kiwi
Pick dates
8:05 PM - 11:05 AM
JetBlue Airways
2 Stops
13h 31m
BFI - BUF
$ 491
Kiwi
Pick dates
8:05 PM - 11:05 AM
JetBlue Airways
2 Stops
13h 31m
BFI - BUF
$ 591
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Buffalo (BUF)

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 Buffalo (BUF)
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 Buffalo (BUF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.