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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 May , June 2026

27 May - 16 Jun $ 1,503.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
2 STOPS
BFI
Seattle
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27 May - 16 Jun $ 1,528.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
2 STOPS
BFI
Seattle
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27 May - 09 Jun $ 1,531.00
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

27 May - 01 Jun $ 1,714.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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27 May - 01 Jun $ 1,740.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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27 May - 01 Jun $ 1,784.00
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

8:05 AM - 9:00 PM
easyJet
3 Stops
29h 45m
BFI - BSL
$ 624
Kiwi
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8:05 AM - 8:25 PM
easyJet
3 Stops
29h 10m
BFI - BSL
$ 649
Kiwi
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8:05 AM - 1:30 PM
Norwegian Air Shuttle
3 Stops
22h 45m
BFI - BSL
$ 650
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.