Basel Mulhouse Freiburg (BSL) to Seattle / Tacoma (SEA) flight deal from $601 USD in economy class – flightdeals.net

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Air France

Delta Air Lines

DLDelta Air Lines

KLM

Round Trip•Economy

Euro Airport Basel-Mulhouse-Freiburg

Basel Mulhouse Freiburg, France

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$801 USD

-25%$601 USD

Verified Oct 15, 2025 at 12:36 AM

October 2025

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29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15$991 16$991 17$1,019 18$831 19$831 20$831 21$727 22$710 23$710 24$856 25$861 26$929 27$729 28$652 29$601 30$601 31$601 1$607 2$607

Good Availability

45% of dates checked are available within 10% of the lowest price

Wednesday, October 1st, 2025

0 round-trip options

No flight details available for this date.