Flights from Chicago Airport (ORD) to Heathrow Airport Airport (LHR)

Q: How long does the flight from Chicago to London to take?

The flight from Chicago to London takes8 Hours 16 Minutes.

We've found the cheapest flights to London

Returns from £437.01

One-way from £273.04

Flights from O'Hare International Airport to London Heathrow are operated by 12 airliners including Iberia, Finnair, Alaska Airlines, Aer Lingus, Swiss, Lufthansa, Brussels Airlines, Austrian Airlines, Air Canada, British Airways, United Airlines and American Airlines. The flight time is approximately 8 Hours 16 Minutes.

The most expensive flight prices are typically at weekends and daytime flights. The cheapest flights available will generally be mid week or late in the evening, so if you are on a budget then these are the flight times you should consider. Alternatively, you could book well in advance and you flight could be up to 50% cheaper, especially with budget airliners. We recommend our viewers to pay and reserve the seats in advance. This ensures you get the best seats on the plane at the cheapest prices.

The time zone at London Heathrow is different from O'Hare International Airport, so please be aware of this when making travel arrangements.

If you plan on flying to London Heathrow Airport from O'Hare International Airport you can pre-arrange your long or short term parking at O'Hare International Airport.

If you are renting a car at London Heathrow Airport it is recommended to fill up the fuel tank before returning the vehicle at the nearest fuel station to London Heathrow Airport in order to avoid incurring additional costs. *Please check your rental agreement to understand the fuel policy for your vehicle.

Organise and book your choice of transport to O'Hare International Airport:

Ensure your arrival at London Heathrow Airport is as stress-free as possible by pre-booking your onwards transport - booking early may also save you money:

You can also research and pre-book a hotel near London Heathrow Airport

Please see below the airlines that fly from O'Hare International Airport (ORD) to London Heathrow (LHR) and the amount of daily flights in operation.

Flights Chart

Airliner	Mo	Tu	We	Th	Fr	Sa	Su	First Flight	Last Flight	Flights
United Airlines	3	3	3	3	3	3	3	15:45	21:15	VIEW FLIGHTS
American Airlines	3	3	3	3	3	3	3	11:35	21:45	VIEW FLIGHTS
British Airways	2	2	2	2	2	2	2	17:10	21:45	VIEW FLIGHTS
Swiss	2	2	2	2	2	2	1	05:55	21:15	VIEW FLIGHTS
Lufthansa	2	2	2	2	2	2	1	05:55	21:15	VIEW FLIGHTS
Brussels Airlines	2	2	2	2	2	2	1	05:55	21:15	VIEW FLIGHTS
Austrian Airlines	2	2	2	2	2	2	1	05:55	21:15	VIEW FLIGHTS
Air Canada	2	2	2	2	2	2	1	05:55	21:15	VIEW FLIGHTS
Iberia	1	1	1	1	1	1	1	11:35	21:45	VIEW FLIGHTS
Finnair	1	1	1	1	1	1	1	11:35	21:45	VIEW FLIGHTS
Alaska Airlines	1	1	1	1	1	1	1	11:35	21:45	VIEW FLIGHTS
Aer Lingus	1	1	1	1	1	1	1	11:35	21:45	VIEW FLIGHTS

Most people choose to fly with United Airlines. They offer the largest number of flights so they have times which are most likely to suite you. The flights they offer will go by the flight numbers UA920, UA929 and UA938 with times between 15:45 and 21:15.

If you would like more information on this flight the please visit the website for United Airlines at united.com. You will be able to find the latest availability, prices and make your booking online.

Flight times for the route are summarised in the table below. These time were correct at the time of writing, but please be aware that times may vary from time to time so please check their website for exact times and the dates you wish to fly.

Flights Time In WeekDays

Day

Flight Times

Flights

Monday