Philadelphia (PHL) to Lisbon (LIS) flight deal in economy from $741

Tuesday, August 4th, 2026

6 round-trip options

Returning
Tue, Aug 11, 20267 Day Trip
$1,364 USD
Returning
Wed, Aug 12, 20268 Day Trip
$1,338 USD
Returning
Thu, Aug 13, 20269 Day Trip
$1,342 USD
Returning
Fri, Aug 14, 202610 Day Trip
$1,366 USD
Returning
Sat, Aug 15, 202611 Day Trip
$1,439 USD
Returning
Tue, Aug 18, 202614 Day Trip
$1,266 USD