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

Tuesday, December 22nd, 2026

3 round-trip options

Returning
Thu, Dec 31, 20269 Day Trip
$1,279 USD
Returning
Sat, Jan 2, 202711 Day Trip
$1,383 USD
Returning
Sun, Jan 3, 202712 Day Trip
$1,563 USD