Porto (OPO) to Chicago (ORD) flight deal in economy from $615
OPOFrancisco Sá Carneiro Airport
Porto, Portugal
ORDO'Hare International Airport
Chicago, United States
$953 USD
-35%$615 USD
Verified 1 day agoDecember 2026
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Rare Availability
7% of dates checked are available within 10% of the lowest price
Monday, December 14th, 2026
7 round-trip options
Returning
Sat, Dec 19, 2026•5 Day Trip
$1,265 USD
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Sun, Dec 20, 2026•6 Day Trip
$1,176 USD
Returning
Mon, Dec 21, 2026•7 Day Trip
$1,185 USD
Returning
Tue, Dec 22, 2026•8 Day Trip
$980 USD
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Thu, Dec 24, 2026•10 Day Trip
$938 USD
Returning
Fri, Dec 25, 2026•11 Day Trip
$1,074 USD
Returning
Sun, Dec 27, 2026•13 Day Trip
$1,170 USD