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

Tuesday, December 8th, 2026

3 round-trip options

Returning
Thu, Dec 17, 20269 Day Trip
$720 USD
Returning
Sat, Dec 19, 202611 Day Trip
$1,022 USD
Returning
Sun, Dec 20, 202612 Day Trip
$785 USD