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

Thursday, December 24th, 2026

3 round-trip options

Returning
Sat, Jan 2, 20279 Day Trip
$1,626 USD
Returning
Mon, Jan 4, 202711 Day Trip
$1,623 USD
Returning
Tue, Jan 5, 202712 Day Trip
$1,522 USD