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 11 hours ago
Fair Availability
33% of dates checked are available within 10% of the lowest price

Thursday, November 12th, 2026

4 round-trip options

Returning
Tue, Nov 17, 2026•5 Day Trip
$629 USD
Google Flights
Returning
Thu, Nov 19, 2026•7 Day Trip
$640 USD
Google Flights
Returning
Fri, Nov 20, 2026•8 Day Trip
$656 USD
Google Flights
Returning
Sun, Nov 22, 2026•10 Day Trip
$633 USD
Google Flights