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

Sunday, August 2nd, 2026

8 round-trip options

Returning
Fri, Aug 7, 20265 Day Trip
$1,477 USD
Returning
Sat, Aug 8, 20266 Day Trip
$1,547 USD
Returning
Sun, Aug 9, 20267 Day Trip
$1,549 USD
Returning
Mon, Aug 10, 20268 Day Trip
$1,064 USD
Returning
Wed, Aug 12, 202610 Day Trip
$1,091 USD
Returning
Thu, Aug 13, 202611 Day Trip
$1,091 USD
Returning
Sat, Aug 15, 202613 Day Trip
$1,161 USD
Returning
Sun, Aug 16, 202614 Day Trip
$1,161 USD