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

Sunday, December 27th, 2026

3 round-trip options

Returning
Tue, Jan 5, 20279 Day Trip
$1,048 USD
Returning
Thu, Jan 7, 202711 Day Trip
$1,048 USD
Returning
Fri, Jan 8, 202712 Day Trip
$1,048 USD