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

Friday, October 2nd, 2026

5 round-trip options

Returning
Thu, Oct 8, 2026•6 Day Trip
$996 USD
Google Flights
Returning
Mon, Oct 12, 2026•10 Day Trip
$926 USD
Google Flights
Returning
Tue, Oct 13, 2026•11 Day Trip
$858 USD
Google Flights
Returning
Wed, Oct 14, 2026•12 Day Trip
$840 USD
Google Flights
Returning
Thu, Oct 15, 2026•13 Day Trip
$840 USD
Google Flights