Porto (OPO) to Chicago (ORD) flight deal in economy from $628
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
ORDO'Hare International Airport
Chicago, United States
$844 USD
-26%$628 USD
Verified about 14 hours agoSeptember 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Tuesday, September 8th, 2026
6 round-trip options
Returning
Wed, Sep 16, 2026•8 Day Trip
$683 USD
Returning
Thu, Sep 17, 2026•9 Day Trip
$816 USD
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Fri, Sep 18, 2026•10 Day Trip
$783 USD
Returning
Sun, Sep 20, 2026•12 Day Trip
$685 USD
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Mon, Sep 21, 2026•13 Day Trip
$664 USD
Returning
Tue, Sep 22, 2026•14 Day Trip
$680 USD