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Cheap flights from Louisville (SDF) to Seattle (BFI)

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How to find the cheapest flight from Louisville (SDF) to Seattle (BFI)

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

22 Dec - 27 Jan $ 1,303.00
SDF
Louisville
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
SDF
Louisville
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22 Dec - 13 Jan $ 1,303.00
SDF
Louisville
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
SDF
Louisville
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22 Dec - 12 Jan $ 1,327.00
SDF
Louisville
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
SDF
Louisville
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Last minute flights from Louisville to Seattle

24 Dec - 02 Jan $ 1,474.00
SDF
Louisville
BREEZE
3 STOPS
BFI
Seattle
BFI
Seattle
BREEZE
3 STOPS
SDF
Louisville
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22 Dec - 02 Jan $ 1,576.00
SDF
Louisville
BREEZE
3 STOPS
BFI
Seattle
BFI
Seattle
BREEZE
3 STOPS
SDF
Louisville
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20 Dec - 02 Jan $ 1,576.00
SDF
Louisville
BREEZE
3 STOPS
BFI
Seattle
BFI
Seattle
BREEZE
3 STOPS
SDF
Louisville
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One-way flights to Seattle from Louisville

5:05 AM - 4:05 PM
Air Excursions
3 Stops
38h 50m
SDF - BFI
$ 816
Kiwi
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7:44 PM - 7:35 AM
Air Excursions
3 Stops
39h 41m
SDF - BFI
$ 873
Kiwi
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8:44 PM - 5:35 AM
Air Excursions
3 Stops
36h 41m
SDF - BFI
$ 892
Kiwi
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How to find the cheapest flight from Louisville (SDF) to Seattle (BFI)

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