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

Wednesday, September 23rd, 2026

5 round-trip options

Returning
Mon, Sep 28, 20265 Day Trip
$1,057 USD
Returning
Tue, Sep 29, 20266 Day Trip
$1,071 USD
Returning
Thu, Oct 1, 20268 Day Trip
$1,061 USD
Returning
Sat, Oct 3, 202610 Day Trip
$1,121 USD
Returning
Wed, Oct 7, 202614 Day Trip
$1,061 USD