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

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1 Adults (11+)
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 August , September 2026

31 Aug - 02 Oct $ 790.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates
30 Aug - 02 Oct $ 802.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates
31 Aug - 26 Sep $ 870.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates

One-way flights to Seattle from Sioux Falls

8:56 PM - 9:25 PM
Air Excursions
2 Stops
27h 19m
FSD - BFI
$ 473
Kiwi
Pick dates
10:00 PM - 9:25 PM
Air Excursions
2 Stops
26h 15m
FSD - BFI
$ 485
Kiwi
Pick dates
10:00 PM - 9:25 PM
Air Excursions
3 Stops
26h 15m
FSD - BFI
$ 503
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.