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

Saturday, September 19th, 2026

4 round-trip options

Returning
Thu, Sep 24, 20265 Day Trip
$1,587 USD
Returning
Sat, Sep 26, 20267 Day Trip
$1,213 USD
Returning
Sun, Sep 27, 20268 Day Trip
$1,219 USD
Returning
Mon, Sep 28, 20269 Day Trip
$1,160 USD