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

Thursday, December 24th, 2026

5 round-trip options

Returning
Tue, Dec 29, 20265 Day Trip
$805 USD
Returning
Fri, Jan 1, 20278 Day Trip
$1,089 USD
Returning
Sun, Jan 3, 202710 Day Trip
$1,075 USD
Returning
Mon, Jan 4, 202711 Day Trip
$1,081 USD
Returning
Thu, Jan 7, 202714 Day Trip
$873 USD