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

Wednesday, December 30th, 2026

3 round-trip options

Returning
Fri, Jan 8, 20279 Day Trip
$974 USD
Returning
Sun, Jan 10, 202711 Day Trip
$844 USD
Returning
Mon, Jan 11, 202712 Day Trip
$755 USD