Basel Mulhouse Freiburg (BSL) to Philadelphia (PHL) flight deal in economy from $673

Thursday, June 4th, 2026

3 round-trip options

Returning
Tue, Jun 9, 20265 Day Trip
$1,235 USD
Returning
Wed, Jun 10, 20266 Day Trip
$1,235 USD
Returning
Thu, Jun 11, 20267 Day Trip
$1,235 USD