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 about 17 hours ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Wednesday, September 9th, 2026

7 round-trip options

Returning
Mon, Sep 14, 2026•5 Day Trip
$922 USD
Google Flights
Returning
Tue, Sep 15, 2026•6 Day Trip
$922 USD
Google Flights
Returning
Fri, Sep 18, 2026•9 Day Trip
$922 USD
Google Flights
Returning
Sat, Sep 19, 2026•10 Day Trip
$922 USD
Google Flights
Returning
Sun, Sep 20, 2026•11 Day Trip
$922 USD
Google Flights
Returning
Mon, Sep 21, 2026•12 Day Trip
$836 USD
Google Flights
Returning
Wed, Sep 23, 2026•14 Day Trip
$893 USD
Google Flights