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

British AirwaysBABritish Airways
Round Trip•Economy
PortugalLIS

Portela Airport

Lisbon, Portugal
United StatesORD

O'Hare International Airport

Chicago, United States
$1,006 USD
-40%$603 USD
Verified 1 day ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

6 round-trip options

Returning
Fri, Dec 25, 2026•5 Day Trip
$1,036 USD
Google Flights
Returning
Sat, Dec 26, 2026•6 Day Trip
$829 USD
Google Flights
Returning
Mon, Dec 28, 2026•8 Day Trip
$829 USD
Google Flights
Returning
Wed, Dec 30, 2026•10 Day Trip
$829 USD
Google Flights
Returning
Thu, Dec 31, 2026•11 Day Trip
$829 USD
Google Flights
Returning
Sun, Jan 3, 2027•14 Day Trip
$859 USD
Google Flights