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

Monday, August 3rd, 2026

6 round-trip options

Returning
Mon, Aug 10, 20267 Day Trip
$1,434 USD
Returning
Tue, Aug 11, 20268 Day Trip
$1,379 USD
Returning
Wed, Aug 12, 20269 Day Trip
$1,342 USD
Returning
Thu, Aug 13, 202610 Day Trip
$1,342 USD
Returning
Fri, Aug 14, 202611 Day Trip
$1,366 USD
Returning
Mon, Aug 17, 202614 Day Trip
$1,417 USD