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Cheap flights from Idaho Falls (IDA) 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 Idaho Falls (IDA) to Seattle (BFI)

How to find the cheapest flight from Idaho Falls (IDA) to Seattle (BFI)
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How to find the cheapest flight from Idaho Falls (IDA) to Seattle (BFI)
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How to find the cheapest flight from Idaho Falls (IDA) to Seattle (BFI)
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Cheap flights from Idaho Falls to Seattle in November , December 2025

26 Nov - 08 Dec $ 749.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
IDA
Idaho Falls
Pick dates
26 Nov - 05 Dec $ 753.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
IDA
Idaho Falls
Pick dates
26 Nov - 12 Dec $ 758.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
IDA
Idaho Falls
Pick dates

Last minute flights from Idaho Falls to Seattle

26 Nov - 01 Dec $ 963.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
IDA
Idaho Falls
Pick dates
21 Nov - 01 Dec $ 1,042.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
IDA
Idaho Falls
Pick dates
26 Nov - 01 Dec $ 1,095.00
IDA
Idaho Falls
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
IDA
Idaho Falls
Pick dates

One-way flights to Seattle from Idaho Falls

1:27 PM - 5:25 PM
Air Excursions
1 Stops
5h 48m
IDA - BFI
$ 381
Kiwi
Pick dates
5:22 PM - 7:35 AM
Air Excursions
1 Stops
16h 3m
IDA - BFI
$ 450
Kiwi
Pick dates
1:27 PM - 7:35 AM
Air Excursions
1 Stops
19h 58m
IDA - BFI
$ 512
Kiwi
Pick dates

How to find the cheapest flight from Idaho Falls (IDA) to Seattle (BFI)

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