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

Monday, August 10th, 2026

8 round-trip options

Returning
Sat, Aug 15, 20265 Day Trip
$1,562 USD
Returning
Sun, Aug 16, 20266 Day Trip
$1,260 USD
Returning
Mon, Aug 17, 20267 Day Trip
$1,064 USD
Returning
Tue, Aug 18, 20268 Day Trip
$1,093 USD
Returning
Thu, Aug 20, 202610 Day Trip
$941 USD
Returning
Fri, Aug 21, 202611 Day Trip
$941 USD
Returning
Sun, Aug 23, 202613 Day Trip
$1,001 USD
Returning
Mon, Aug 24, 202614 Day Trip
$1,001 USD