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

Friday, August 7th, 2026

6 round-trip options

Returning
Fri, Aug 14, 20267 Day Trip
$1,426 USD
Returning
Sat, Aug 15, 20268 Day Trip
$1,496 USD
Returning
Sun, Aug 16, 20269 Day Trip
$1,476 USD
Returning
Mon, Aug 17, 202610 Day Trip
$1,439 USD
Returning
Tue, Aug 18, 202611 Day Trip
$1,213 USD
Returning
Fri, Aug 21, 202614 Day Trip
$1,153 USD