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

Wednesday, October 21st, 2026

5 round-trip options

Returning
Tue, Oct 27, 2026•6 Day Trip
$750 USD
Google Flights
Returning
Sat, Oct 31, 2026•10 Day Trip
$781 USD
Google Flights
Returning
Sun, Nov 1, 2026•11 Day Trip
$770 USD
Google Flights
Returning
Mon, Nov 2, 2026•12 Day Trip
$731 USD
Google Flights
Returning
Tue, Nov 3, 2026•13 Day Trip
$720 USD
Google Flights