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

Tuesday, December 15th, 2026

5 round-trip options

Returning
Sun, Dec 20, 20265 Day Trip
$862 USD
Returning
Wed, Dec 23, 20268 Day Trip
$850 USD
Returning
Fri, Dec 25, 202610 Day Trip
$850 USD
Returning
Sat, Dec 26, 202611 Day Trip
$862 USD
Returning
Tue, Dec 29, 202614 Day Trip
$862 USD