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
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
33% of dates checked are available within 10% of the lowest price
Tuesday, October 20th, 2026
6 round-trip options
Returning
Wed, Oct 28, 2026•8 Day Trip
$641 USD
Returning
Thu, Oct 29, 2026•9 Day Trip
$642 USD
Returning
Fri, Oct 30, 2026•10 Day Trip
$647 USD
Returning
Sun, Nov 1, 2026•12 Day Trip
$891 USD
Returning
Mon, Nov 2, 2026•13 Day Trip
$887 USD
Returning
Tue, Nov 3, 2026•14 Day Trip
$887 USD