Basel Mulhouse Freiburg (BSL) to Seattle / Tacoma (SEA) flight deal in economy from $760
BSLEuro Airport Basel-Mulhouse-Freiburg
Basel Mulhouse Freiburg, France
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$938 USD
-19%$760 USD
Verified about 12 hours agoDecember 2026
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Good Availability
47% of dates checked are available within 10% of the lowest price
Wednesday, December 30th, 2026
10 round-trip options
Returning
Mon, Jan 4, 2027•5 Day Trip
$973 USD
Returning
Tue, Jan 5, 2027•6 Day Trip
$979 USD
Returning
Wed, Jan 6, 2027•7 Day Trip
$979 USD
Returning
Thu, Jan 7, 2027•8 Day Trip
$973 USD
Returning
Fri, Jan 8, 2027•9 Day Trip
$973 USD
Returning
Sat, Jan 9, 2027•10 Day Trip
$973 USD
Returning
Sun, Jan 10, 2027•11 Day Trip
$973 USD
Returning
Mon, Jan 11, 2027•12 Day Trip
$973 USD
Returning
Tue, Jan 12, 2027•13 Day Trip
$973 USD
Returning
Wed, Jan 13, 2027•14 Day Trip
$979 USD