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

Friday, November 20th, 2026

3 round-trip options

Returning
Sun, Nov 29, 20269 Day Trip
$1,288 USD
Returning
Tue, Dec 1, 202611 Day Trip
$1,043 USD
Returning
Wed, Dec 2, 202612 Day Trip
$1,043 USD