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
Monday, October 19th, 2026
6 round-trip options
Returning
Tue, Oct 27, 2026•8 Day Trip
$669 USD
Returning
Wed, Oct 28, 2026•9 Day Trip
$662 USD
Returning
Thu, Oct 29, 2026•10 Day Trip
$664 USD
Returning
Sat, Oct 31, 2026•12 Day Trip
$899 USD
Returning
Sun, Nov 1, 2026•13 Day Trip
$904 USD
Returning
Mon, Nov 2, 2026•14 Day Trip
$899 USD