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 15 hours agoAugust 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Tuesday, August 18th, 2026
5 round-trip options
Returning
Wed, Aug 26, 2026•8 Day Trip
$793 USD
Returning
Thu, Aug 27, 2026•9 Day Trip
$780 USD
Returning
Sun, Aug 30, 2026•12 Day Trip
$751 USD
Returning
Mon, Aug 31, 2026•13 Day Trip
$685 USD
Returning
Tue, Sep 1, 2026•14 Day Trip
$847 USD