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 7 hours agoJune 2026
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Good Availability
47% of dates checked are available within 10% of the lowest price
Thursday, June 4th, 2026
10 round-trip options
Returning
Tue, Jun 9, 2026•5 Day Trip
$1,175 USD
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Wed, Jun 10, 2026•6 Day Trip
$1,175 USD
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Thu, Jun 11, 2026•7 Day Trip
$1,181 USD
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Fri, Jun 12, 2026•8 Day Trip
$1,175 USD
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Sat, Jun 13, 2026•9 Day Trip
$1,175 USD
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Sun, Jun 14, 2026•10 Day Trip
$1,198 USD
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Mon, Jun 15, 2026•11 Day Trip
$1,250 USD
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Tue, Jun 16, 2026•12 Day Trip
$1,256 USD
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Wed, Jun 17, 2026•13 Day Trip
$1,250 USD
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Thu, Jun 18, 2026•14 Day Trip
$1,356 USD