Flights from London to Chicago available from GBP 457*
expand_more
1 Passenger
expand_morePromo code
expand_moretoday
today
Our best rates from London to Chicago
location_on
location_on
Fly in the next 3 months: flights from London to Chicago (ORD)
Book an Icelandair flight in August 2026 - starting at GBP 513
flight_takeoff
flight_land
GBP
London (LON)to
Chicago (ORD)14 10 2026 - 24 10 2026
From
GBP 513
Viewed 11 hrs ago
Round trip
Economy
London (LON)to
Chicago (ORD)14 10 2026 - 26 10 2026
From
GBP 513
Viewed 11 hrs ago
Round trip
Economy
London (LGW)to
Chicago (ORD)20 10 2026 - 01 11 2026
From
GBP 514
Viewed 1 day ago
Round trip
Economy
London (LGW)to
Chicago (ORD)08 10 2026 - 18 10 2026
From
GBP 593
Viewed 2 days ago
Round trip
Economy
London (LHR)to
Chicago (ORD)08 09 2026 - 22 09 2026
From
GBP 566
Viewed 2 days ago
Round trip
Economy
London (LHR)to
Chicago (ORD)29 08 2026 - 11 09 2026
From
GBP 579
Viewed 2 days ago
Round trip
Economy
*Fares displayed have been collected within the last 72 hours and may no longer be available at the time of booking. We display fares for Economy Light as standard, but it is possible to change your class of service during the booking process. You can also add baggage meals and extra legroom to your trip during booking.
Book Icelandair flights from London to Chicago (ORD)
Find our lowest fares from London to Chicago - starting at GBP 457
flight_takeoff
flight_land
GBP
From | To | Fare type | Dates | Price | |
|---|---|---|---|---|---|
| London (LON) | Chicago (ORD) | Round trip / Economy | 26 05 2027 - 03 06 2027 | From GBP 457 Viewed 1 hour ago | |
| London (LON) | Chicago (ORD) | Round trip / Economy | 14 12 2026 - 09 01 2027 | From GBP 513 Viewed 1 day ago | |
| London (LON) | Chicago (ORD) | Round trip / Economy | 14 12 2026 - 28 12 2026 | From GBP 513 Viewed 1 day ago | |
| London (LGW) | Chicago (ORD) | Round trip / Economy | 20 10 2026 - 01 11 2026 | From GBP 514 Viewed 1 day ago | |
| London (LHR) | Chicago (ORD) | Round trip / Economy | 31 05 2027 - 14 06 2027 | From GBP 528 Viewed 20 hrs ago | |
| London (LHR) | Chicago (ORD) | Round trip / Economy | 11 12 2026 - 14 12 2026 | From GBP 532 Viewed 15 hrs ago | |
| London (LHR) | Chicago (ORD) | Round trip / Economy | 10 01 2027 - 24 01 2027 | From GBP 548 Viewed 2 days ago | |
| London (LGW) | Chicago (ORD) | Round trip / Economy | 08 10 2026 - 18 10 2026 | From GBP 593 Viewed 2 days ago | |
| London (LGW) | Chicago (ORD) | Round trip / Economy | 10 06 2027 - 15 06 2027 | From GBP 628 Viewed 12 hrs ago |
*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.
Make the most of your trip
Flights to Chicago from London
For the best fares and an unparalleled flying experience, choose Icelandair to fly from London (LHR/LGW) to Chicago O’Hare (ORD). With hundreds of hours of in-flight entertainment and Wi-Fi access on most flights, your journey to the ‘Windy City’ will literally fly by.
FAQs about travel from London to Chicago
Helpful information for travellers visiting Chicago
How do you find cheap flights to Chicago from London?
To find cheap flights from London to Chicago, we recommend being flexible about when you fly as well as which airport you fly from.
We also advise checking our flight deals often and booking your holiday in advance to secure the best price.
What is the distance from London to Chicago O’ Hare?
The distance from London to Chicago O'Hare International Airport is approximately 3,950 miles (6,352 kilometres). But please note that the actual flight distance may differ based on the specific airline’s route and other factors.
What is the London to Chicago flight time?
The flight duration from London Heathrow to Chicago O’Hare International Airport (ORD) is roughly 8-9 hours non-stop.
This is the same for passengers flying to Chicago from London Gatwick. Please note that this does not account for any layovers you might have on your route.
When is the best time to fly to Chicago from London?
The best time to fly to Chicago from London is undoubtedly during spring or autumn. Embrace the city's enchanting transformation seasons as nature simply shows off!
Witness a colourful tapestry of wonderous events, from cherry blossoms in full bloom to autumn foliage painting the city in gorgeous golden hues. Plus, the mild temperatures make strolling through iconic landmarks like Millennium Park and the Magnificent Mile an unforgettable joy.
Which airport will I go to when travelling from London to Chicago?
Passengers flying from London to Chicago with Icelandair can fly from London Heathrow Airport or London Gatwick Airport. Use the flight finder tool above to browse flights from your preferred airport.
Flying with Icelandair: more than just a journey
Generous baggage allowances
Learn more
Entertainment for all ages
Learn more