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 agoSeptember 2026
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Monday, September 14th, 2026
9 round-trip options
Returning
Sat, Sep 19, 2026•5 Day Trip
$1,674 USD
Returning
Sun, Sep 20, 2026•6 Day Trip
$979 USD
Returning
Mon, Sep 21, 2026•7 Day Trip
$910 USD
Returning
Tue, Sep 22, 2026•8 Day Trip
$910 USD
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Wed, Sep 23, 2026•9 Day Trip
$919 USD
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Thu, Sep 24, 2026•10 Day Trip
$910 USD
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Sat, Sep 26, 2026•12 Day Trip
$991 USD
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Sun, Sep 27, 2026•13 Day Trip
$970 USD
Returning
Mon, Sep 28, 2026•14 Day Trip
$910 USD