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Cheap flights from Milwaukee (MKE) to Seattle (BFI)

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How to find the cheapest flight from Milwaukee (MKE) to Seattle (BFI)

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

19 Dec - 03 Jan $ 1,203.00
MKE
Milwaukee
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
MKE
Milwaukee
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19 Dec - 17 Jan $ 1,210.00
MKE
Milwaukee
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
MKE
Milwaukee
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19 Dec - 20 Jan $ 1,256.00
MKE
Milwaukee
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
MKE
Milwaukee
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Last minute flights from Milwaukee to Seattle

19 Dec - 01 Jan $ 1,441.00
MKE
Milwaukee
Spirit Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
MKE
Milwaukee
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19 Dec - 02 Jan $ 1,488.00
MKE
Milwaukee
Spirit Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
MKE
Milwaukee
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19 Dec - 01 Jan $ 1,681.00
MKE
Milwaukee
Spirit Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
MKE
Milwaukee
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One-way flights to Seattle from Milwaukee

6:27 PM - 7:35 AM
Air Excursions
2 Stops
15h 58m
MKE - BFI
$ 675
Kiwi
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8:15 PM - 2:45 PM
Air Excursions
3 Stops
45h 20m
MKE - BFI
$ 829
Kiwi
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6:33 PM - 5:35 AM
Air Excursions
3 Stops
37h 52m
MKE - BFI
$ 1,113
Kiwi
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How to find the cheapest flight from Milwaukee (MKE) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Milwaukee (MKE) 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 Milwaukee (MKE) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.