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

Tuesday, December 29th, 2026

3 round-trip options

Returning
Thu, Jan 7, 20279 Day Trip
$989 USD
Returning
Sat, Jan 9, 202711 Day Trip
$1,059 USD
Returning
Sun, Jan 10, 202712 Day Trip
$859 USD