Philadelphia (PHL) to Basel Mulhouse Freiburg (BSL) flight deal in economy from $667

Friday, August 28th, 2026

8 round-trip options

Returning
Wed, Sep 2, 20265 Day Trip
$1,121 USD
Returning
Thu, Sep 3, 20266 Day Trip
$1,121 USD
Returning
Fri, Sep 4, 20267 Day Trip
$1,110 USD
Returning
Sat, Sep 5, 20268 Day Trip
$1,127 USD
Returning
Mon, Sep 7, 202610 Day Trip
$1,181 USD
Returning
Tue, Sep 8, 202611 Day Trip
$1,121 USD
Returning
Thu, Sep 10, 202613 Day Trip
$1,121 USD
Returning
Fri, Sep 11, 202614 Day Trip
$1,121 USD