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Cheap flights from Grand Rapids (GRR) 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 Grand Rapids (GRR) to Seattle (BFI)

How to find the cheapest flight from Grand Rapids (GRR) to Seattle (BFI)
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How to find the cheapest flight from Grand Rapids (GRR) to Seattle (BFI)
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How to find the cheapest flight from Grand Rapids (GRR) to Seattle (BFI)
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Cheap flights from Grand Rapids to Seattle in July , August 2026

31 Jul - 17 Aug $ 904.00
GRR
Grand Rapids
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
GRR
Grand Rapids
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31 Jul - 14 Aug $ 904.00
GRR
Grand Rapids
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
GRR
Grand Rapids
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31 Jul - 10 Aug $ 941.00
GRR
Grand Rapids
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
GRR
Grand Rapids
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Last minute flights from Grand Rapids to Seattle

27 Jul - 31 Jul $ 1,056.00
GRR
Grand Rapids
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
GRR
Grand Rapids
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27 Jul - 31 Jul $ 1,090.00
GRR
Grand Rapids
Allegiant Air
1 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
1 STOPS
GRR
Grand Rapids
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27 Jul - 01 Aug $ 1,247.00
GRR
Grand Rapids
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
GRR
Grand Rapids
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One-way flights to Seattle from Grand Rapids

1:45 PM - 5:45 PM
Air Excursions
1 Stops
7h 50m
GRR - BFI
$ 471
Kiwi
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1:45 PM - 9:25 PM
Air Excursions
1 Stops
11h 30m
GRR - BFI
$ 554
Kiwi
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6:38 PM - 6:45 AM
Air Excursions
2 Stops
15h 57m
GRR - BFI
$ 822
Kiwi
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How to find the cheapest flight from Grand Rapids (GRR) to Seattle (BFI)

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