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Cheap flights from Peoria (PIA) to Seattle (BFI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from Peoria (PIA) to Seattle (BFI)

How to find the cheapest flight from Peoria (PIA) to Seattle (BFI)
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How to find the cheapest flight from Peoria (PIA) to Seattle (BFI)
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How to find the cheapest flight from Peoria (PIA) to Seattle (BFI)
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Cheap flights from Peoria to Seattle in January , February 2026

16 Jan - 02 Mar $ 1,433.00
PIA
Peoria
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
PIA
Peoria
Pick dates
31 Jan - 02 Mar $ 1,448.00
PIA
Peoria
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
PIA
Peoria
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16 Jan - 02 Mar $ 1,561.00
PIA
Peoria
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
PIA
Peoria
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One-way flights to Seattle from Peoria

9:29 PM - 3:05 PM
Air Excursions
3 Stops
44h 26m
PIA - BFI
$ 683
Kiwi
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2:08 PM - 4:05 PM
Air Excursions
3 Stops
52h 47m
PIA - BFI
$ 711
Kiwi
Pick dates
9:29 PM - 10:15 AM
Air Excursions
3 Stops
39h 36m
PIA - BFI
$ 811
Kiwi
Pick dates

How to find the cheapest flight from Peoria (PIA) to Seattle (BFI)

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