Chicago (ORD) to Lisbon (LIS) flight deal in economy from $720

American AirlinesAAAmerican Airlines
Round Trip•Economy
United StatesORD

O'Hare International Airport

Chicago, United States
PortugalLIS

Portela Airport

Lisbon, Portugal
$1,021 USD
-29%$720 USD
Verified 13 days ago
Fair Availability
20% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

5 round-trip options

Returning
Sat, Oct 24, 2026•6 Day Trip
$890 USD
Google Flights
Returning
Wed, Oct 28, 2026•10 Day Trip
$750 USD
Google Flights
Returning
Thu, Oct 29, 2026•11 Day Trip
$750 USD
Google Flights
Returning
Fri, Oct 30, 2026•12 Day Trip
$750 USD
Google Flights
Returning
Sat, Oct 31, 2026•13 Day Trip
$810 USD
Google Flights