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

Thursday, November 5th, 2026

8 round-trip options

Returning
Tue, Nov 10, 20265 Day Trip
$855 USD
Returning
Wed, Nov 11, 20266 Day Trip
$855 USD
Returning
Thu, Nov 12, 20267 Day Trip
$855 USD
Returning
Fri, Nov 13, 20268 Day Trip
$855 USD
Returning
Sat, Nov 14, 20269 Day Trip
$905 USD
Returning
Tue, Nov 17, 202612 Day Trip
$855 USD
Returning
Wed, Nov 18, 202613 Day Trip
$855 USD
Returning
Thu, Nov 19, 202614 Day Trip
$855 USD