Portland (PDX) to Porto (OPO) flight deal in economy from $794
PDXPortland International Airport
Portland, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,106 USD
-28%$794 USD
Verified 1 day agoDecember 2026
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Fair Availability
31% of dates checked are available within 10% of the lowest price
Monday, December 28th, 2026
8 round-trip options
Returning
Sat, Jan 2, 2027•5 Day Trip
$2,447 USD
Returning
Sun, Jan 3, 2027•6 Day Trip
$1,480 USD
Returning
Mon, Jan 4, 2027•7 Day Trip
$1,256 USD
Returning
Tue, Jan 5, 2027•8 Day Trip
$1,400 USD
Returning
Wed, Jan 6, 2027•9 Day Trip
$1,257 USD
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Sat, Jan 9, 2027•12 Day Trip
$1,472 USD
Returning
Sun, Jan 10, 2027•13 Day Trip
$1,155 USD
Returning
Mon, Jan 11, 2027•14 Day Trip
$1,155 USD