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Cheap flights from Seattle (BFI) to Basel (BSL)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Seattle (BFI) to Basel (BSL)

How to find the cheapest flight from Seattle (BFI) to Basel (BSL)
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How to find the cheapest flight from Seattle (BFI) to Basel (BSL)
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How to find the cheapest flight from Seattle (BFI) to Basel (BSL)
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Cheap flights from Seattle to Basel in April , May 2026

21 Apr - 26 May $ 1,612.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
2 STOPS
BFI
Seattle
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21 Apr - 28 May $ 1,640.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
2 STOPS
BFI
Seattle
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13 Apr - 26 May $ 1,842.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Basel

21 Apr - 01 May $ 2,375.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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13 Apr - 01 May $ 2,619.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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27 Apr - 01 May $ 2,633.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to Basel from Seattle

10:45 AM - 11:25 AM
easyJet
3 Stops
41h 30m
BFI - BSL
$ 668
Kiwi
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10:45 AM - 5:20 PM
easyJet
3 Stops
23h 25m
BFI - BSL
$ 881
Kiwi
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10:45 AM - 3:30 PM
easyJet
3 Stops
22h 25m
BFI - BSL
$ 926
Kiwi
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How to find the cheapest flight from Seattle (BFI) to Basel (BSL)

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