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

Friday, August 21st, 2026

4 round-trip options

Returning
Wed, Aug 26, 2026•5 Day Trip
$1,083 USD
Google Flights
Returning
Sun, Aug 30, 2026•9 Day Trip
$1,093 USD
Google Flights
Returning
Mon, Aug 31, 2026•10 Day Trip
$1,083 USD
Google Flights
Returning
Thu, Sep 3, 2026•13 Day Trip
$1,169 USD
Google Flights