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

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0 Children (2~11)
0 Infants (0~2)
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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 April , May 2026

27 Apr - 08 May $ 843.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
27 Apr - 08 May $ 856.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
20 Apr - 08 May $ 862.00
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

27 Apr - 01 May $ 865.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
27 Apr - 01 May $ 878.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
20 Apr - 01 May $ 884.00
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

8:53 PM - 4:05 PM
Air Excursions
3 Stops
22h 2m
FSD - BFI
$ 424
Kiwi
Pick dates
8:06 PM - 4:05 PM
Air Excursions
2 Stops
22h 49m
FSD - BFI
$ 437
Kiwi
Pick dates
8:06 PM - 4:05 PM
Air Excursions
2 Stops
22h 49m
FSD - BFI
$ 442
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.