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

Monday, November 23rd, 2026

3 round-trip options

Returning
Wed, Dec 2, 20269 Day Trip
$825 USD
Returning
Fri, Dec 4, 202611 Day Trip
$705 USD
Returning
Sat, Dec 5, 202612 Day Trip
$755 USD