Earn point on your loyalty program!arrow arc left

Cheap flights from Pittsburgh (PIT) to Seattle (BFI)

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 Pittsburgh (PIT) to Seattle (BFI)

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

Cheap flights from Pittsburgh to Seattle in September , October 2026

30 Sep - 28 Oct $ 1,086.00
PIT
Pittsburgh
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
PIT
Pittsburgh
Pick dates
30 Sep - 28 Oct $ 1,165.00
PIT
Pittsburgh
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
PIT
Pittsburgh
Pick dates
30 Sep - 30 Oct $ 1,207.00
PIT
Pittsburgh
JetBlue Airways
3 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
3 STOPS
PIT
Pittsburgh
Pick dates

One-way flights to Seattle from Pittsburgh

2:42 PM - 9:25 PM
Air Excursions
3 Stops
34h 33m
PIT - BFI
$ 733
Kiwi
Pick dates
2:42 PM - 4:05 PM
Air Excursions
3 Stops
29h 13m
PIT - BFI
$ 812
Kiwi
Pick dates
8:31 PM - 4:05 PM
Air Excursions
3 Stops
47h 24m
PIT - BFI
$ 1,504
Kiwi
Pick dates

How to find the cheapest flight from Pittsburgh (PIT) to Seattle (BFI)

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 Pittsburgh (PIT) 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 Pittsburgh (PIT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.