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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 January , February 2026

29 Jan - 25 Feb $ 1,068.00
SDF
Louisville
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
SDF
Louisville
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29 Jan - 03 Feb $ 1,085.00
SDF
Louisville
Spirit Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Spirit Airlines
3 STOPS
SDF
Louisville
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29 Jan - 10 Feb $ 1,119.00
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

29 Jan - 02 Feb $ 1,387.00
SDF
Louisville
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
SDF
Louisville
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22 Jan - 02 Feb $ 1,554.00
SDF
Louisville
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
SDF
Louisville
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25 Jan - 02 Feb $ 1,620.00
SDF
Louisville
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
SDF
Louisville
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One-way flights to Seattle from Louisville

3:36 PM - 2:45 PM
Air Excursions
3 Stops
26h 59m
SDF - BFI
$ 592
Kiwi
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3:36 PM - 2:45 PM
Air Excursions
3 Stops
26h 59m
SDF - BFI
$ 759
Kiwi
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6:54 PM - 3:05 PM
Air Excursions
3 Stops
48h 1m
SDF - BFI
$ 780
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.