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

Saturday, November 21st, 2026

7 round-trip options

Returning
Thu, Nov 26, 20265 Day Trip
$843 USD
Returning
Fri, Nov 27, 20266 Day Trip
$940 USD
Returning
Sun, Nov 29, 20268 Day Trip
$876 USD
Returning
Mon, Nov 30, 20269 Day Trip
$820 USD
Returning
Thu, Dec 3, 202612 Day Trip
$790 USD
Returning
Fri, Dec 4, 202613 Day Trip
$786 USD
Returning
Sat, Dec 5, 202614 Day Trip
$840 USD