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

Monday, November 23rd, 2026

8 round-trip options

Returning
Sat, Nov 28, 20265 Day Trip
$2,067 USD
Returning
Sun, Nov 29, 20266 Day Trip
$1,050 USD
Returning
Mon, Nov 30, 20267 Day Trip
$888 USD
Returning
Tue, Dec 1, 20268 Day Trip
$828 USD
Returning
Wed, Dec 2, 20269 Day Trip
$828 USD
Returning
Sat, Dec 5, 202612 Day Trip
$858 USD
Returning
Sun, Dec 6, 202613 Day Trip
$848 USD
Returning
Mon, Dec 7, 202614 Day Trip
$848 USD