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

Thursday, December 31st, 2026

3 round-trip options

Returning
Sat, Jan 9, 20279 Day Trip
$1,094 USD
Returning
Mon, Jan 11, 202711 Day Trip
$805 USD
Returning
Tue, Jan 12, 202712 Day Trip
$755 USD