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

Sunday, October 4th, 2026

4 round-trip options

Returning
Fri, Oct 9, 20265 Day Trip
$934 USD
Returning
Sun, Oct 11, 20267 Day Trip
$1,110 USD
Returning
Mon, Oct 12, 20268 Day Trip
$1,039 USD
Returning
Tue, Oct 13, 20269 Day Trip
$934 USD