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

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How to find the cheapest flight from Detroit (DTW) to Seattle (BFI)

How to find the cheapest flight from Detroit (DTW) to Seattle (BFI)
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How to find the cheapest flight from Detroit (DTW) to Seattle (BFI)
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How to find the cheapest flight from Detroit (DTW) to Seattle (BFI)
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Cheap flights from Detroit to Seattle in December 2025 , January 2026

23 Dec - 15 Jan $ 1,049.00
DTW
Detroit
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DTW
Detroit
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23 Dec - 15 Jan $ 1,076.00
DTW
Detroit
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DTW
Detroit
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24 Dec - 15 Jan $ 1,137.00
DTW
Detroit
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DTW
Detroit
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Last minute flights from Detroit to Seattle

23 Dec - 31 Dec $ 1,198.00
DTW
Detroit
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DTW
Detroit
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24 Dec - 31 Dec $ 1,286.00
DTW
Detroit
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DTW
Detroit
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24 Dec - 01 Jan $ 1,347.00
DTW
Detroit
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
DTW
Detroit
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One-way flights to Seattle from Detroit

10:01 PM - 5:25 PM
Air Excursions
3 Stops
23h 14m
DTW - BFI
$ 640
Kiwi
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8:46 PM - 5:25 PM
Air Excursions
2 Stops
24h 29m
DTW - BFI
$ 667
Kiwi
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8:00 AM - 5:25 PM
Air Excursions
2 Stops
13h 15m
DTW - BFI
$ 728
Kiwi
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How to find the cheapest flight from Detroit (DTW) to Seattle (BFI)

Related info for your journey
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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.