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

Saturday, October 24th, 2026

8 round-trip options

Returning
Thu, Oct 29, 20265 Day Trip
$2,025 USD
Returning
Fri, Oct 30, 20266 Day Trip
$2,014 USD
Returning
Sat, Oct 31, 20267 Day Trip
$855 USD
Returning
Sun, Nov 1, 20268 Day Trip
$855 USD
Returning
Mon, Nov 2, 20269 Day Trip
$855 USD
Returning
Thu, Nov 5, 202612 Day Trip
$805 USD
Returning
Fri, Nov 6, 202613 Day Trip
$805 USD
Returning
Sat, Nov 7, 202614 Day Trip
$855 USD