Philadelphia (PHL) to Basel Mulhouse Freiburg (BSL) flight deal in economy from $667
PHLPhiladelphia International Airport
Philadelphia, United States
BSLEuro Airport Basel-Mulhouse-Freiburg
Basel Mulhouse Freiburg, France
$1,112 USD
-40%$667 USD
Verified about 5 hours agoSeptember 2026
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Rare Availability
6% of dates checked are available within 10% of the lowest price
Monday, September 21st, 2026
5 round-trip options
Returning
Sat, Sep 26, 2026•5 Day Trip
$1,556 USD
Returning
Sun, Sep 27, 2026•6 Day Trip
$1,121 USD
Returning
Tue, Sep 29, 2026•8 Day Trip
$1,071 USD
Returning
Thu, Oct 1, 2026•10 Day Trip
$1,061 USD
Returning
Mon, Oct 5, 2026•14 Day Trip
$1,121 USD