Basel Mulhouse Freiburg (BSL) to Seattle / Tacoma (SEA) flight deal in economy from $752

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
$858 USD
-12%$752 USD
Verified 16 days ago
Great Availability
65% of dates checked are available within 10% of the lowest price

Monday, December 28th, 2026

6 round-trip options

Returning
Wed, Jan 6, 2027•9 Day Trip
$1,078 USD
Google Flights
Returning
Thu, Jan 7, 2027•10 Day Trip
$845 USD
Google Flights
Returning
Fri, Jan 8, 2027•11 Day Trip
$845 USD
Google Flights
Returning
Sat, Jan 9, 2027•12 Day Trip
$845 USD
Google Flights
Returning
Sun, Jan 10, 2027•13 Day Trip
$845 USD
Google Flights
Returning
Mon, Jan 11, 2027•14 Day Trip
$845 USD
Google Flights