Portland (PDX) to Porto (OPO) flight deal in economy from $794

Sunday, November 22nd, 2026

8 round-trip options

Returning
Fri, Nov 27, 20265 Day Trip
$2,003 USD
Returning
Sat, Nov 28, 20266 Day Trip
$1,158 USD
Returning
Sun, Nov 29, 20267 Day Trip
$1,075 USD
Returning
Mon, Nov 30, 20268 Day Trip
$914 USD
Returning
Tue, Dec 1, 20269 Day Trip
$854 USD
Returning
Fri, Dec 4, 202612 Day Trip
$824 USD
Returning
Sat, Dec 5, 202613 Day Trip
$883 USD
Returning
Sun, Dec 6, 202614 Day Trip
$874 USD