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

Monday, November 30th, 2026

3 round-trip options

Returning
Wed, Dec 9, 20269 Day Trip
$705 USD
Returning
Fri, Dec 11, 202611 Day Trip
$705 USD
Returning
Sat, Dec 12, 202612 Day Trip
$770 USD