Flight Routes from Seattle Tacoma to Basel

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Our cheapest offers for flights from Seattle Tacoma to Basel

Here you can compare cheap flights from Seattle Tacoma (SEA) to Basel (BSL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Basel. Prices and availability may change at any time.

Flight schedule from Seattle-Tacoma (SEA) to Basel (BSL)

Select a travel date in the flight schedule for the route from Seattle-Tacoma (SEA) to Basel (BSL) and compare affordable flight deals.

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Matching outbound flights1 of 1
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durationstopovers
  1. 31 Aug – 6 Sept 2026
  2. 7 – 13 September 2026
  3. 14 – 20 September 2026
    1. SEABSL
      1 stopover
      1. Lufthansa

      Flight information: Seattle-Tacoma - Basel

      Distance 8395 km
      Departure airport Airport Seattle-Tacoma (SEA)
      Departure country Flights from United States
      Arrival airport Airport Basel - Euroairport (BSL)
      Destination country Flights to Switzerland
      Departure country - Arrival airport United States - Basel - Euroairport
      Departure airport - Destination country Seattle-Tacoma - Switzerland
      Departure airport - City-Code Seattle-Tacoma - Euroairport
      Popular destinations for onward travel