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

Friday, August 7th, 2026

8 round-trip options

Returning
Wed, Aug 12, 20265 Day Trip
$1,141 USD
Returning
Thu, Aug 13, 20266 Day Trip
$1,141 USD
Returning
Fri, Aug 14, 20267 Day Trip
$1,143 USD
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Sat, Aug 15, 20268 Day Trip
$1,226 USD
Returning
Mon, Aug 17, 202610 Day Trip
$1,287 USD
Returning
Tue, Aug 18, 202611 Day Trip
$1,143 USD
Returning
Thu, Aug 20, 202613 Day Trip
$976 USD
Returning
Fri, Aug 21, 202614 Day Trip
$976 USD