Basel Mulhouse Freiburg (BSL) to Seattle / Tacoma (SEA) flight deal in economy from $752
BSLEuro Airport Basel-Mulhouse-Freiburg
Basel Mulhouse Freiburg, France
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$858 USD
-12%$752 USD
Verified 15 days agoJuly 2026
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Great Availability
65% of dates checked are available within 10% of the lowest price
Sunday, July 5th, 2026
0 round-trip options
No flight details available for this date.