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

Sunday, July 5th, 2026

8 round-trip options

Returning
Fri, Jul 10, 20265 Day Trip
$1,853 USD
Returning
Sat, Jul 11, 20266 Day Trip
$2,171 USD
Returning
Sun, Jul 12, 20267 Day Trip
$2,335 USD
Returning
Mon, Jul 13, 20268 Day Trip
$1,465 USD
Returning
Wed, Jul 15, 202610 Day Trip
$1,427 USD
Returning
Thu, Jul 16, 202611 Day Trip
$1,427 USD
Returning
Sat, Jul 18, 202613 Day Trip
$1,497 USD
Returning
Sun, Jul 19, 202614 Day Trip
$1,596 USD