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

Tuesday, December 22nd, 2026

6 round-trip options

Returning
Sun, Dec 27, 2026•5 Day Trip
$783 USD
Google Flights
Returning
Mon, Dec 28, 2026•6 Day Trip
$852 USD
Google Flights
Returning
Wed, Dec 30, 2026•8 Day Trip
$922 USD
Google Flights
Returning
Fri, Jan 1, 2027•10 Day Trip
$791 USD
Google Flights
Returning
Sat, Jan 2, 2027•11 Day Trip
$791 USD
Google Flights
Returning
Tue, Jan 5, 2027•14 Day Trip
$922 USD
Google Flights