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 agoAugust 2026
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Sunday, August 16th, 2026
8 round-trip options
Returning
Fri, Aug 21, 2026•5 Day Trip
$1,441 USD
Returning
Sat, Aug 22, 2026•6 Day Trip
$1,363 USD
Returning
Sun, Aug 23, 2026•7 Day Trip
$926 USD
Returning
Tue, Aug 25, 2026•9 Day Trip
$866 USD
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Wed, Aug 26, 2026•10 Day Trip
$856 USD
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Thu, Aug 27, 2026•11 Day Trip
$856 USD
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Fri, Aug 28, 2026•12 Day Trip
$856 USD
Returning
Sun, Aug 30, 2026•14 Day Trip
$916 USD