Chicago to London Flight Time & Schedules

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How Long Does a Flight from Chicago to London Usually Take?

A nonstop flight from Chicago to London generally takes around 7 hours 50 minutes. The exact duration can vary depending on the airline, aircraft type, weather conditions, air traffic and wind patterns over the Atlantic.

Direct flights operate from Chicago O’Hare International Airport (ORD) to London airports including Heathrow Airport (LHR). Some airlines may also offer seasonal or schedule-based services to other London airports, depending on demand and timetable changes.

Flights with one connection usually take around 10 to 15 hours, depending on the connecting airport and the length of the stopover. Longer layovers or less direct routes can increase the overall journey time.

Travelers departing from Chicago should compare the total travel duration, arrival airport and connection time before choosing a flight, as London airports vary in location and transport options.

Estimated Journey Time from Chicago to London

Nonstop flights between Chicago and London typically remain in the air for approximately 7 hours 50 minutes. Flight schedules may differ slightly depending on the airline, route, seasonal conditions and Atlantic wind patterns.

Connecting flights generally take longer, with total journey times commonly ranging from 10 to 15 hours. The final duration depends mainly on the connecting airport and waiting time between flights.

Direct flights from Chicago O’Hare International Airport (ORD) to London Heathrow Airport (LHR) usually take around 7 hours 50 minutes nonstop.

Heathrow is London’s main international airport and handles the largest number of long-haul services between the United States and the United Kingdom.

Most nonstop Chicago–London services operate to Heathrow. Travelers flying to other London airports may need to choose a connecting itinerary depending on the airline and travel date.

Airports such as London Gatwick Airport (LGW), London Stansted Airport (STN) and London City Airport (LCY) serve international routes, but availability from Chicago can vary.

Chicago to London Flight Duration by Arrival Airport

Arrival Airport	Route Code	Estimated Flight Time
London Heathrow Airport	ORD–LHR	Around 7 hrs 50 mins nonstop

These timings are approximate and may change depending on the airline schedule, weather conditions, aircraft type and wind conditions.

Airline Options for Traveling from Chicago to London

United Airlines

American Airlines

British Airways

Virgin Atlantic

Time Difference Between Chicago and London

London is usually six hours ahead of Chicago. When it is 8:00 AM in Chicago, it is normally 2:00 PM in London.

The time difference can temporarily change during the year because the United States and the United Kingdom switch between standard time and daylight saving time on different dates.

Flight schedules display departure and arrival times according to the local time zone of each airport. Travelers should consider the time difference when planning arrival times and onward journeys.

Many Chicago-to-London flights depart in the evening and arrive the following morning because the journey crosses the Atlantic overnight.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Chicago Flight Times.