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Cheap flights from Sioux Falls (FSD) to Seattle (BFI)

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How to find the cheapest flight from Sioux Falls (FSD) to Seattle (BFI)

How to find the cheapest flight from Sioux Falls (FSD) to Seattle (BFI)
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How to find the cheapest flight from Sioux Falls (FSD) to Seattle (BFI)
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How to find the cheapest flight from Sioux Falls (FSD) to Seattle (BFI)
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Cheap flights from Sioux Falls to Seattle in February , March 2026

26 Feb - 06 Mar $ 1,182.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
26 Feb - 28 Mar $ 1,186.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
26 Feb - 27 Mar $ 1,188.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates

Last minute flights from Sioux Falls to Seattle

26 Feb - 02 Mar $ 1,254.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
15 Feb - 02 Mar $ 1,262.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
19 Feb - 02 Mar $ 1,276.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates

One-way flights to Seattle from Sioux Falls

11:32 AM - 5:35 AM
Air Excursions
2 Stops
20h 53m
FSD - BFI
$ 629
Kiwi
Pick dates
11:33 AM - 6:45 AM
Air Excursions
2 Stops
22h 2m
FSD - BFI
$ 637
Kiwi
Pick dates
11:33 AM - 5:35 AM
Air Excursions
2 Stops
20h 52m
FSD - BFI
$ 651
Kiwi
Pick dates

How to find the cheapest flight from Sioux Falls (FSD) to Seattle (BFI)

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