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

Tuesday, August 11th, 2026

6 round-trip options

Returning
Tue, Aug 18, 20267 Day Trip
$1,109 USD
Returning
Wed, Aug 19, 20268 Day Trip
$1,097 USD
Returning
Thu, Aug 20, 20269 Day Trip
$1,093 USD
Returning
Fri, Aug 21, 202610 Day Trip
$1,093 USD
Returning
Sat, Aug 22, 202611 Day Trip
$1,157 USD
Returning
Tue, Aug 25, 202614 Day Trip
$1,097 USD