Chicago (ORD) to Porto (OPO) flight deal in economy from $767
ORDO'Hare International Airport
Chicago, United States
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
$1,027 USD
-25%$767 USD
Verified about 10 hours agoAugust 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Tuesday, August 4th, 2026
10 round-trip options
Returning
Sun, Aug 9, 2026•5 Day Trip
$1,168 USD
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Mon, Aug 10, 2026•6 Day Trip
$1,029 USD
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Tue, Aug 11, 2026•7 Day Trip
$1,109 USD
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Wed, Aug 12, 2026•8 Day Trip
$1,147 USD
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Thu, Aug 13, 2026•9 Day Trip
$1,462 USD
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Fri, Aug 14, 2026•10 Day Trip
$1,353 USD
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Sat, Aug 15, 2026•11 Day Trip
$1,641 USD
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Sun, Aug 16, 2026•12 Day Trip
$1,281 USD
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Mon, Aug 17, 2026•13 Day Trip
$1,149 USD
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Tue, Aug 18, 2026•14 Day Trip
$1,045 USD