Portland (PDX) to Lisbon (LIS) flight deal in economy from $745

Sunday, November 22nd, 2026

7 round-trip options

Returning
Fri, Nov 27, 20265 Day Trip
$896 USD
Returning
Sat, Nov 28, 20266 Day Trip
$1,156 USD
Returning
Mon, Nov 30, 20268 Day Trip
$790 USD
Returning
Tue, Dec 1, 20269 Day Trip
$790 USD
Returning
Fri, Dec 4, 202612 Day Trip
$756 USD
Returning
Sat, Dec 5, 202613 Day Trip
$810 USD
Returning
Sun, Dec 6, 202614 Day Trip
$806 USD