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

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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 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 June , July 2026

29 Jun - 29 Jul $ 1,636.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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29 Jun - 29 Jul $ 1,709.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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29 Jun - 28 Jul $ 1,976.00
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

29 Jun - 02 Jul $ 2,966.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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29 Jun - 01 Jul $ 3,033.00
BFI
Seattle
Air Excursions
3 STOPS
BSL
Basel
BSL
Basel
Air Excursions
3 STOPS
BFI
Seattle
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29 Jun - 01 Jul $ 3,170.00
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

8:20 AM - 6:45 AM
Wizz Air
3 Stops
39h 15m
BFI - BSL
$ 924
Kiwi
Pick dates
8:05 PM - 6:50 PM
Norwegian Air Sweden
3 Stops
39h 35m
BFI - BSL
$ 935
Kiwi
Pick dates
8:20 AM - 9:40 PM
easyJet
3 Stops
29h 45m
BFI - BSL
$ 997
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.