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
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Fair Availability
33% of dates checked are available within 10% of the lowest price
Wednesday, October 7th, 2026
6 round-trip options
Returning
Thu, Oct 15, 2026•8 Day Trip
$637 USD
Returning
Fri, Oct 16, 2026•9 Day Trip
$636 USD
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Sat, Oct 17, 2026•10 Day Trip
$634 USD
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Mon, Oct 19, 2026•12 Day Trip
$633 USD
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Tue, Oct 20, 2026•13 Day Trip
$637 USD
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Wed, Oct 21, 2026•14 Day Trip
$637 USD