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 agoOctober 2026
Mon
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Sunday, October 4th, 2026
6 round-trip options
Returning
Mon, Oct 12, 2026•8 Day Trip
$665 USD
Returning
Tue, Oct 13, 2026•9 Day Trip
$684 USD
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Wed, Oct 14, 2026•10 Day Trip
$663 USD
Returning
Fri, Oct 16, 2026•12 Day Trip
$895 USD
Returning
Sat, Oct 17, 2026•13 Day Trip
$895 USD
Returning
Sun, Oct 18, 2026•14 Day Trip
$895 USD