Flights London — Chicago

• Book your tickets 2–3 months in advance, as transatlantic fares significantly increase closer to the departure date.
• Look for flights on Tuesdays and Wednesdays — mid-week fares are often lower than on weekends and holidays.
• Consider options with one layover if you want to save: direct flights with British Airways or American Airlines are usually more expensive.
• Pay attention to baggage policies, as basic fares on this route often include only carry-on luggage.
• Use the low-fare calendar on this page to visually compare flight costs across different dates of your chosen month.

How long is the flight from London to Chicago?

The average duration of a direct flight on this route is about 7.5–8 hours for a distance of 6,371 km. Travel time may increase depending on the number and duration of layovers.

Which airlines fly this route?

Major carriers operating these flights include United Airlines, British Airways, American Airlines, and Lufthansa. In total, about 15 airlines are represented on the route.

Are there direct flights from London to Chicago?

Yes, there is a large number of direct flights operating daily on this route, due to the high intensity of air traffic between the cities — approximately 74 departures per week.

How much is the cheapest ticket?

Flight prices change constantly depending on the season and demand. You can always check the current minimum for specific dates in the low-fare calendar on this page.

Which airport do flights arrive at?

The main destination is O'Hare International Airport in Chicago. Detailed information on how to get from the airport to the city center can be found on our website.