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London to Chicago Flight Time and Distance

Average flight time is
8 hours 50 minutes
United Kingdom
United States (USA)
London to Chicago Flight Time and Distance
Alex Manea
Written By Alex Manea
Last Updated: April 19, 2024

London is one of the main departure hubs for flights going to the US. One of the regular routes that start here has Chicago as its destination. The average London to Chicago flight time is 9 hours and covers a distance of 3,949.93 mi. Keep reading to learn which airlines operate direct flights, what's the average flight time for the return trip and how to find cheap flights.

London to Chicago Flight Time by Airline

There are currently only 3 airlines that offer direct flights from London to Chicago. These are American Airlines, British Airways, and United Airlines; they all operate the Chicago - London return flight too.

The fastest flight is operated by British Airways, the UK flag carrier, and has a duration of 8 hours and 50 minutes, according to Google Flights. The longest one, offered by United Airlines, lands in Chicago after 9 hours and 15 minutes of flying.

On the other hand, the Chicago to London flight time is only 7 hours and 47 minutes long.

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Flight Departure Time

The total number of daily flights from London is between 5 and 9, depending on the day. The earliest flight departs at around 10.00 AM and is operated by American Airlines. The rest of the flights depart by 3.30 PM the latest. However, flight schedules might vary from season to season.

London to Chicago Flight Distance

If you're asking yourself how many miles does the flight from London cover, the answer is 3,949.93 mi (6,356.80 km). That's almost twice shorter than the longest flight out of UK's Capital, London - Bogota, which covers a total distance of 7,228 miles (11,632 km).

Departure and Arrival Airports

Unlike other routes that depart from London, United Kingdom to the United States, this one has only one departure airport, London Heathrow Airport, and one arrival airport - Chicago O'Hare International Airport.

Although both London and Chicago have at least one more international airport (Gatwick in London and Midway International Airport in Chicago), only LHR and ORD service this route.

Is London to Chicago Flight Covered by UK261?

Because the flight departs from the United Kingdom, it is covered by the UK 261 law, no matter which airline you fly with. To better understand your rights, you should read our UK261 compensation guide. It explains what steps you need to take in case of a flight disruption.

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Chicago to London Delayed or Cancelled Flight: How to claim compensation

In case your flight was disrupted, you could be eligible for compensation of up to $ 650 (£520). This applies for flights from London delayed by more than 3 hours at arrival, as well as flights that were cancelled, denied boarding and even missed connections.

You can also check out these individual guides on how to claim compensation from each airline that flies this route:

How to Find Cheapest Flights from London to Chicago

To find cheap flights from London to Chicago O'Hare International Airport you should follow these 3 rules:

  1. book your flight at least 2-3 months before you leave
  2. try to fly in the off season when flights are cheaper
  3. compare ticket prices from all airlines


What is the flight time from London to Chicago?

The average flight time from London to Chicago is 9 hours.

What airlines fly from Chicago to London?

There are currently 3 airlines that offer flights on this route: United Airlines, American Airlines, and British Airways.

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