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

Tuesday, September 22nd, 2026

5 round-trip options

Returning
Sun, Sep 27, 20265 Day Trip
$1,110 USD
Returning
Mon, Sep 28, 20266 Day Trip
$1,057 USD
Returning
Wed, Sep 30, 20268 Day Trip
$1,050 USD
Returning
Fri, Oct 2, 202610 Day Trip
$1,061 USD
Returning
Tue, Oct 6, 202614 Day Trip
$1,061 USD