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

Sunday, December 6th, 2026

6 round-trip options

Returning
Tue, Dec 15, 2026•9 Day Trip
$1,133 USD
Google Flights
Returning
Wed, Dec 16, 2026•10 Day Trip
$1,072 USD
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Returning
Thu, Dec 17, 2026•11 Day Trip
$1,180 USD
Google Flights
Returning
Fri, Dec 18, 2026•12 Day Trip
$1,748 USD
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Returning
Sat, Dec 19, 2026•13 Day Trip
$1,221 USD
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Returning
Sun, Dec 20, 2026•14 Day Trip
$962 USD
Google Flights