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
Wednesday, August 26th, 2026
5 round-trip options
Returning
Thu, Sep 3, 2026•8 Day Trip
$828 USD
Returning
Fri, Sep 4, 2026•9 Day Trip
$856 USD
Returning
Mon, Sep 7, 2026•12 Day Trip
$667 USD
Returning
Tue, Sep 8, 2026•13 Day Trip
$686 USD
Returning
Wed, Sep 9, 2026•14 Day Trip
$723 USD