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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 July , August 2026

29 Jul - 14 Aug $ 1,000.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
29 Jul - 14 Aug $ 1,013.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates
29 Jul - 14 Aug $ 1,043.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FSD
Sioux Falls
Pick dates

Last minute flights from Sioux Falls to Seattle

29 Jul - 01 Aug $ 1,536.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates
29 Jul - 01 Aug $ 1,548.00
FSD
Sioux Falls
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates
29 Jul - 01 Aug $ 1,579.00
FSD
Sioux Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FSD
Sioux Falls
Pick dates

One-way flights to Seattle from Sioux Falls

8:08 PM - 9:25 PM
Air Excursions
3 Stops
28h 7m
FSD - BFI
$ 602
Kiwi
Pick dates
8:08 PM - 9:25 PM
Air Excursions
2 Stops
28h 7m
FSD - BFI
$ 614
Kiwi
Pick dates
8:08 PM - 4:05 PM
Air Excursions
3 Stops
22h 47m
FSD - BFI
$ 645
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.