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Cheap flights from St Louis (STL) 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 St Louis (STL) to Seattle (BFI)

How to find the cheapest flight from St Louis (STL) to Seattle (BFI)
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How to find the cheapest flight from St Louis (STL) to Seattle (BFI)
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How to find the cheapest flight from St Louis (STL) to Seattle (BFI)
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One-way flights to Seattle from St Louis

7:00 AM - 3:05 PM
Air Excursions
2 Stops
34h 55m
STL - BFI
$ 892
Kiwi
Pick dates
8:17 PM - 5:35 AM
Air Excursions
3 Stops
36h 8m
STL - BFI
$ 1,705
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Seattle (BFI)

Related info for your journey
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 St Louis (STL) 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 St Louis (STL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.