Earn point on your loyalty program!arrow arc left

Cheap flights from Detroit (DTW) 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 Detroit (DTW) to Seattle (BFI)

How to find the cheapest flight from Detroit (DTW) 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 Detroit (DTW) 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 Detroit (DTW) 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 Detroit to Seattle in June , July 2026

30 Jun - 21 Jul $ 1,186.00
DTW
Detroit
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DTW
Detroit
Pick dates
30 Jun - 28 Jul $ 1,210.00
DTW
Detroit
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DTW
Detroit
Pick dates
30 Jun - 31 Jul $ 1,262.00
DTW
Detroit
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DTW
Detroit
Pick dates

Last minute flights from Detroit to Seattle

29 Jun - 02 Jul $ 1,733.00
DTW
Detroit
Air Canada
3 STOPS
BFI
Seattle
BFI
Seattle
Air Canada
3 STOPS
DTW
Detroit
Pick dates
29 Jun - 01 Jul $ 2,077.00
DTW
Detroit
WestJet
3 STOPS
BFI
Seattle
BFI
Seattle
WestJet
3 STOPS
DTW
Detroit
Pick dates
29 Jun - 02 Jul $ 2,081.00
DTW
Detroit
WestJet
3 STOPS
BFI
Seattle
BFI
Seattle
WestJet
3 STOPS
DTW
Detroit
Pick dates

One-way flights to Seattle from Detroit

7:53 PM - 6:45 PM
Air Excursions
3 Stops
26h 42m
DTW - BFI
$ 782
Kiwi
Pick dates
2:02 PM - 6:45 PM
Air Excursions
3 Stops
32h 33m
DTW - BFI
$ 804
Kiwi
Pick dates
8:00 AM - 6:45 PM
Air Excursions
2 Stops
14h 35m
DTW - BFI
$ 811
Kiwi
Pick dates

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