Chicago (ORD) to Porto (OPO) flight deal in economy from $767
ORDO'Hare International Airport
Chicago, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,027 USD
-25%$767 USD
Verified about 10 hours agoAugust 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Friday, August 28th, 2026
10 round-trip options
Returning
Wed, Sep 2, 2026•5 Day Trip
$1,035 USD
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Thu, Sep 3, 2026•6 Day Trip
$1,179 USD
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Fri, Sep 4, 2026•7 Day Trip
$1,086 USD
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Sat, Sep 5, 2026•8 Day Trip
$1,205 USD
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Sun, Sep 6, 2026•9 Day Trip
$1,275 USD
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Mon, Sep 7, 2026•10 Day Trip
$1,078 USD
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Tue, Sep 8, 2026•11 Day Trip
$1,035 USD
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Wed, Sep 9, 2026•12 Day Trip
$1,078 USD
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Thu, Sep 10, 2026•13 Day Trip
$1,078 USD
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Fri, Sep 11, 2026•14 Day Trip
$1,239 USD