|Fastest flight time||9h 00m||The fastest flight from London Heathrow Airport to Chicago takes 9h 00m|
|Direct flights||Mon and Sun||Direct flights go from London Heathrow Airport to Chicago on Monday and Sunday. Airlines offering direct flights are: American Airlines and EL AL.|
|Airports in Chicago||3 airports||There are 3 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD)|
The cheapest time of year to fly to Chicago from London Heathrow Airport is September. The most expensive is July.
60 days before
The cheapest time to buy a flight from London Heathrow Airport to Chicago is approximately 60 days to departure
A flight from London Heathrow to Chicago will travel around 6330.3 km. Flights usually cover this in 9h 10m, depending on flying conditions and air traffic around both airports.