Basel Mulhouse Freiburg (BSL) to Seattle / Tacoma (SEA) flight deal in economy from $764

Air FranceAFAir FranceDelta Air LinesDLDelta Air LinesKLMKLKLM
Round Trip•Economy
FranceBSL

Euro Airport Basel-Mulhouse-Freiburg

Basel Mulhouse Freiburg, France
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$954 USD
-20%$764 USD
Verified 2 days ago
Good Availability
43% of dates checked are available within 10% of the lowest price

Friday, August 28th, 2026

7 round-trip options

Returning
Wed, Sep 2, 2026•5 Day Trip
$769 USD
Google Flights
Returning
Thu, Sep 3, 2026•6 Day Trip
$769 USD
Google Flights
Returning
Fri, Sep 4, 2026•7 Day Trip
$886 USD
Google Flights
Returning
Sat, Sep 5, 2026•8 Day Trip
$769 USD
Google Flights
Returning
Sun, Sep 6, 2026•9 Day Trip
$764 USD
Google Flights
Returning
Wed, Sep 9, 2026•12 Day Trip
$825 USD
Google Flights
Returning
Fri, Sep 11, 2026•14 Day Trip
$769 USD
Google Flights