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

Monday, December 21st, 2026

5 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$1,167 USD
Returning
Tue, Dec 29, 20268 Day Trip
$1,167 USD
Returning
Thu, Dec 31, 202610 Day Trip
$1,213 USD
Returning
Fri, Jan 1, 202711 Day Trip
$1,461 USD
Returning
Mon, Jan 4, 202714 Day Trip
$1,413 USD