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

Thursday, December 3rd, 2026

3 round-trip options

Returning
Sat, Dec 12, 20269 Day Trip
$807 USD
Returning
Mon, Dec 14, 202611 Day Trip
$805 USD
Returning
Tue, Dec 15, 202612 Day Trip
$755 USD