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

Wednesday, December 2nd, 2026

6 round-trip options

Returning
Mon, Dec 7, 2026•5 Day Trip
$788 USD
Google Flights
Returning
Tue, Dec 8, 2026•6 Day Trip
$738 USD
Google Flights
Returning
Thu, Dec 10, 2026•8 Day Trip
$738 USD
Google Flights
Returning
Sun, Dec 13, 2026•11 Day Trip
$810 USD
Google Flights
Returning
Mon, Dec 14, 2026•12 Day Trip
$792 USD
Google Flights
Returning
Wed, Dec 16, 2026•14 Day Trip
$742 USD
Google Flights