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

Friday, October 9th, 2026

8 round-trip options

Returning
Wed, Oct 14, 20265 Day Trip
$923 USD
Returning
Thu, Oct 15, 20266 Day Trip
$923 USD
Returning
Fri, Oct 16, 20267 Day Trip
$930 USD
Returning
Sat, Oct 17, 20268 Day Trip
$983 USD
Returning
Sun, Oct 18, 20269 Day Trip
$983 USD
Returning
Wed, Oct 21, 202612 Day Trip
$923 USD
Returning
Thu, Oct 22, 202613 Day Trip
$923 USD
Returning
Fri, Oct 23, 202614 Day Trip
$923 USD