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

Tuesday, September 1st, 2026

5 round-trip options

Returning
Sun, Sep 6, 20265 Day Trip
$1,067 USD
Returning
Mon, Sep 7, 20266 Day Trip
$1,057 USD
Returning
Wed, Sep 9, 20268 Day Trip
$1,061 USD
Returning
Fri, Sep 11, 202610 Day Trip
$1,061 USD
Returning
Tue, Sep 15, 202614 Day Trip
$1,061 USD