Portland (PDX) to Porto (OPO) flight deal in economy from $733
PDXPortland International Airport
Portland, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$932 USD
-21%$733 USD
Verified 15 days agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
38% of dates checked are available within 10% of the lowest price
Tuesday, December 29th, 2026
8 round-trip options
Returning
Sun, Jan 3, 2027•5 Day Trip
$1,338 USD
Returning
Mon, Jan 4, 2027•6 Day Trip
$949 USD
Returning
Wed, Jan 6, 2027•8 Day Trip
$1,198 USD
Returning
Thu, Jan 7, 2027•9 Day Trip
$771 USD
Returning
Fri, Jan 8, 2027•10 Day Trip
$771 USD
Returning
Sun, Jan 10, 2027•12 Day Trip
$831 USD
Returning
Mon, Jan 11, 2027•13 Day Trip
$831 USD
Returning
Tue, Jan 12, 2027•14 Day Trip
$861 USD