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 13 hours agoDecember 2026
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Good Availability
47% of dates checked are available within 10% of the lowest price
Sunday, December 13th, 2026
10 round-trip options
Returning
Fri, Dec 18, 2026•5 Day Trip
$1,582 USD
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Sat, Dec 19, 2026•6 Day Trip
$1,512 USD
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Sun, Dec 20, 2026•7 Day Trip
$1,203 USD
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Mon, Dec 21, 2026•8 Day Trip
$1,180 USD
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Tue, Dec 22, 2026•9 Day Trip
$1,245 USD
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Wed, Dec 23, 2026•10 Day Trip
$1,092 USD
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Thu, Dec 24, 2026•11 Day Trip
$1,020 USD
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Fri, Dec 25, 2026•12 Day Trip
$1,020 USD
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Sat, Dec 26, 2026•13 Day Trip
$1,030 USD
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Sun, Dec 27, 2026•14 Day Trip
$973 USD