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

Tuesday, July 21st, 2026

8 round-trip options

Returning
Sun, Jul 26, 20265 Day Trip
$1,430 USD
Returning
Mon, Jul 27, 20266 Day Trip
$1,420 USD
Returning
Tue, Jul 28, 20267 Day Trip
$1,350 USD
Returning
Wed, Jul 29, 20268 Day Trip
$1,350 USD
Returning
Fri, Jul 31, 202610 Day Trip
$1,516 USD
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Sat, Aug 1, 202611 Day Trip
$1,497 USD
Returning
Mon, Aug 3, 202613 Day Trip
$1,497 USD
Returning
Tue, Aug 4, 202614 Day Trip
$1,427 USD