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

Monday, July 20th, 2026

8 round-trip options

Returning
Sat, Jul 25, 20265 Day Trip
$1,710 USD
Returning
Sun, Jul 26, 20266 Day Trip
$1,507 USD
Returning
Mon, Jul 27, 20267 Day Trip
$1,465 USD
Returning
Tue, Jul 28, 20268 Day Trip
$1,427 USD
Returning
Thu, Jul 30, 202610 Day Trip
$1,427 USD
Returning
Fri, Jul 31, 202611 Day Trip
$1,516 USD
Returning
Sun, Aug 2, 202613 Day Trip
$2,118 USD
Returning
Mon, Aug 3, 202614 Day Trip
$1,497 USD