Cheap flights from Idaho Falls (IDA) to Seattle (BFI)
Know your dates, get live prices in secondsHow 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 January , February 2026
16 Jan - 20 Feb
$ 2,247.00
IDA
Idaho Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
IDA
Idaho Falls
16 Jan - 27 Feb
$ 2,253.00
IDA
Idaho Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
IDA
Idaho Falls
16 Jan - 20 Feb
$ 2,302.00
IDA
Idaho Falls
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
IDA
Idaho Falls
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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