Chicago (ORD) to Porto (OPO) flight deal in economy from $363
ORDO'Hare International Airport
Chicago, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$507 USD
-28%$363 USD
Verified about 8 hours agoOctober 2026
Mon
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Sunday, October 25th, 2026
Outbound Flights
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