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

Sunday, October 25th, 2026

8 round-trip options

Returning
Fri, Oct 30, 20265 Day Trip
$2,003 USD
Returning
Sat, Oct 31, 20266 Day Trip
$844 USD
Returning
Sun, Nov 1, 20267 Day Trip
$844 USD
Returning
Mon, Nov 2, 20268 Day Trip
$844 USD
Returning
Tue, Nov 3, 20269 Day Trip
$803 USD
Returning
Fri, Nov 6, 202612 Day Trip
$794 USD
Returning
Sat, Nov 7, 202613 Day Trip
$844 USD
Returning
Sun, Nov 8, 202614 Day Trip
$844 USD