Lisbon (LIS) to Chicago (ORD) flight deal in economy from $603

American AirlinesAAAmerican Airlines
Round Trip•Economy
PortugalLIS

Portela Airport

Lisbon, Portugal
United StatesORD

O'Hare International Airport

Chicago, United States
$964 USD
-37%$603 USD
Verified about 23 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Saturday, October 17th, 2026

4 round-trip options

Returning
Thu, Oct 22, 2026•5 Day Trip
$1,055 USD
Google Flights
Returning
Fri, Oct 23, 2026•6 Day Trip
$1,045 USD
Google Flights
Returning
Thu, Oct 29, 2026•12 Day Trip
$941 USD
Google Flights
Returning
Fri, Oct 30, 2026•13 Day Trip
$909 USD
Google Flights