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

Monday, August 17th, 2026

8 round-trip options

Returning
Sat, Aug 22, 2026•5 Day Trip
$1,193 USD
Google Flights
Returning
Sun, Aug 23, 2026•6 Day Trip
$919 USD
Google Flights
Returning
Mon, Aug 24, 2026•7 Day Trip
$919 USD
Google Flights
Returning
Tue, Aug 25, 2026•8 Day Trip
$801 USD
Google Flights
Returning
Wed, Aug 26, 2026•9 Day Trip
$801 USD
Google Flights
Returning
Fri, Aug 28, 2026•11 Day Trip
$1,461 USD
Google Flights
Returning
Sat, Aug 29, 2026•12 Day Trip
$918 USD
Google Flights
Returning
Mon, Aug 31, 2026•14 Day Trip
$1,035 USD
Google Flights