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 14 days ago
Fair Availability
20% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

5 round-trip options

Returning
Sun, Sep 27, 2026•6 Day Trip
$1,037 USD
Google Flights
Returning
Thu, Oct 1, 2026•10 Day Trip
$792 USD
Google Flights
Returning
Fri, Oct 2, 2026•11 Day Trip
$817 USD
Google Flights
Returning
Sat, Oct 3, 2026•12 Day Trip
$1,007 USD
Google Flights
Returning
Sun, Oct 4, 2026•13 Day Trip
$877 USD
Google Flights