Porto (OPO) to Chicago (ORD) flight deal in economy from $628

Air CanadaACAir CanadaLufthansaLHLufthansaSwiss International Air LinesLXSwiss International Air LinesAustrian AirlinesOSAustrian AirlinesUnited AirlinesUAUnited Airlines
Round Trip•Economy
PortugalOPO

Francisco Sá Carneiro Airport

Porto, Portugal
United StatesORD

O'Hare International Airport

Chicago, United States
$844 USD
-26%$628 USD
Verified about 10 hours ago
Fair Availability
33% of dates checked are available within 10% of the lowest price

Tuesday, November 17th, 2026

4 round-trip options

Returning
Sun, Nov 22, 2026•5 Day Trip
$629 USD
Google Flights
Returning
Tue, Nov 24, 2026•7 Day Trip
$628 USD
Google Flights
Returning
Wed, Nov 25, 2026•8 Day Trip
$628 USD
Google Flights
Returning
Fri, Nov 27, 2026•10 Day Trip
$628 USD
Google Flights