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

Saturday, December 19th, 2026

3 round-trip options

Returning
Mon, Dec 28, 20269 Day Trip
$1,258 USD
Returning
Wed, Dec 30, 202611 Day Trip
$1,198 USD
Returning
Thu, Dec 31, 202612 Day Trip
$1,347 USD