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

Wednesday, November 18th, 2026

3 round-trip options

Returning
Fri, Nov 27, 20269 Day Trip
$705 USD
Returning
Sun, Nov 29, 202611 Day Trip
$992 USD
Returning
Mon, Nov 30, 202612 Day Trip
$885 USD