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 21 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Monday, August 10th, 2026

4 round-trip options

Returning
Sat, Aug 15, 2026•5 Day Trip
$1,374 USD
Google Flights
Returning
Wed, Aug 19, 2026•9 Day Trip
$1,290 USD
Google Flights
Returning
Thu, Aug 20, 2026•10 Day Trip
$1,290 USD
Google Flights
Returning
Sun, Aug 23, 2026•13 Day Trip
$1,290 USD
Google Flights