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 16 hours agoAugust 2026
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Friday, August 21st, 2026
5 round-trip options
Returning
Sat, Aug 29, 2026•8 Day Trip
$932 USD
Returning
Sun, Aug 30, 2026•9 Day Trip
$916 USD
Returning
Wed, Sep 2, 2026•12 Day Trip
$944 USD
Returning
Thu, Sep 3, 2026•13 Day Trip
$957 USD
Returning
Fri, Sep 4, 2026•14 Day Trip
$1,035 USD