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

Thursday, November 26th, 2026

8 round-trip options

Returning
Tue, Dec 1, 20265 Day Trip
$885 USD
Returning
Wed, Dec 2, 20266 Day Trip
$878 USD
Returning
Thu, Dec 3, 20267 Day Trip
$855 USD
Returning
Fri, Dec 4, 20268 Day Trip
$848 USD
Returning
Sat, Dec 5, 20269 Day Trip
$908 USD
Returning
Tue, Dec 8, 202612 Day Trip
$848 USD
Returning
Wed, Dec 9, 202613 Day Trip
$847 USD
Returning
Thu, Dec 10, 202614 Day Trip
$848 USD