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

Monday, August 31st, 2026

6 round-trip options

Returning
Mon, Sep 7, 20267 Day Trip
$1,402 USD
Returning
Tue, Sep 8, 20268 Day Trip
$1,346 USD
Returning
Wed, Sep 9, 20269 Day Trip
$1,342 USD
Returning
Thu, Sep 10, 202610 Day Trip
$1,338 USD
Returning
Fri, Sep 11, 202611 Day Trip
$1,346 USD
Returning
Mon, Sep 14, 202614 Day Trip
$1,406 USD