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

Saturday, December 26th, 2026

3 round-trip options

Returning
Mon, Jan 4, 20279 Day Trip
$1,140 USD
Returning
Wed, Jan 6, 202711 Day Trip
$1,039 USD
Returning
Thu, Jan 7, 202712 Day Trip
$1,039 USD