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
Mon
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Sunday, August 30th, 2026
5 round-trip options
Returning
Mon, Sep 7, 2026•8 Day Trip
$900 USD
Returning
Tue, Sep 8, 2026•9 Day Trip
$900 USD
Returning
Fri, Sep 11, 2026•12 Day Trip
$904 USD
Returning
Sat, Sep 12, 2026•13 Day Trip
$904 USD
Returning
Sun, Sep 13, 2026•14 Day Trip
$900 USD