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

Monday, September 28th, 2026

4 round-trip options

Returning
Sat, Oct 3, 20265 Day Trip
$1,414 USD
Returning
Mon, Oct 5, 20267 Day Trip
$1,100 USD
Returning
Tue, Oct 6, 20268 Day Trip
$1,093 USD
Returning
Wed, Oct 7, 20269 Day Trip
$1,093 USD