Cheap Flights from Chicago O'Hare International to London

Compare Chicago O'Hare International to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Flight deals from Chicago O'Hare International to London

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to London? Find the lowest prices on one-way and return tickets right here.

London.R 2,555 per passenger.Departing Mon, 27 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 27 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 2,555, select.

London.R 2,693 per passenger.Departing Mon, 12 Jan.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Mon, 12 Jan, arriving in London Gatwick.Price includes taxes and charges.From R 2,693, select.

London.R 2,744 per passenger.Departing Tue, 11 Nov.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 11 Nov, arriving in London Gatwick.Price includes taxes and charges.From R 2,744, select.

London.R 3,181 per passenger.Departing Tue, 3 Mar.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 3 Mar, arriving in London Gatwick.Price includes taxes and charges.From R 3,181, select.

London.R 3,393 per passenger.Departing Mon, 2 Feb.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Mon, 2 Feb, arriving in London Gatwick.Price includes taxes and charges.From R 3,393, select.

London.R 3,504 per passenger.Departing Sat, 6 Dec.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Sat, 6 Dec, arriving in London Gatwick.Price includes taxes and charges.From R 3,504, select.

London.R 4,733 per passenger.Departing Sat, 18 Apr.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Chicago O'Hare International on Sat, 18 Apr, arriving in London Gatwick.Price includes taxes and charges.From R 4,733, select.

London.R 5,128 per passenger.Departing Sat, 2 May.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Chicago O'Hare International on Sat, 2 May, arriving in London Gatwick.Price includes taxes and charges.From R 5,128, select.

Find the cheapest month to fly from Chicago O'Hare International to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to London flights are currently cheapest in October.

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Direct flights from Chicago O'Hare International to London

Alternative Chicago O'Hare International to London routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to London? You could fly into the following airports instead.

Chicago to London: Flight information

The things to know before you go.

Cheapest flight found	R 2,555
Cheapest month to fly	October
Average flight time	7 hrs, 56 mins
Most popular airline	British Airways
Average flights per week	256

Finding cheap flights from Chicago O'Hare International to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Chicago O'Hare International to London?

The best price we found for a return flight from Chicago O'Hare International to London is R 7,688. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Chicago O'Hare International to London?

7 hours and 56 minutes is the average flight time from Chicago O'Hare International to London.

Which airlines fly direct from Chicago O'Hare International to London?

British Airways, American Airlines and Alaska Airlines fly direct from Chicago O'Hare International to London.

How many flights are there a week from Chicago O'Hare International to London?

As of October 2025, there are 256 flights per week flying from Chicago O'Hare International to London.

When is the cheapest time to fly from Chicago O'Hare International to London?

The cheapest month to fly from Chicago O'Hare International to London is usually January.

Which is the cheapest airport to fly into in London?

If you're flying from Chicago O'Hare International Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from R 7,688.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to London on Sunday, 11 January 2026.

Can I get a direct flight from Chicago O'Hare International Airport to London?

Yes – the average flight time is 7 hours and 56 minutes.

How can I get the best flight deal from Chicago O'Hare International Airport to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In October, the average temperature is usually around 11°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Chicago O'Hare International Airport to London with?

Currently, Spirit Airlines and United offer the cheapest flight tickets to London.

Travelling from O'Hare International Airport (ORD) to London: what you need to know

Take a direct flight from O'Hare International Airport to London and you'll be travelling for an average of 8 hours 55 minutes.
London is five hours ahead of Chicago, where O'Hare International Airport is located. London observes the UTC+0 timezone.
The busiest route is from O'Hare International Airport (ORD) to London Heathrow Airport (LHR). Take your pick of 54 services every week between these two airports. If you want to head off as soon as possible, the earliest flight from ORD to LHR is the 16:00 United Airlines option. If you'd rather fly out later on, the last departure is at 23:00 with American Airlines.
For a relaxed start to your ORD to London flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.
Heading away during a peak time like school or public holidays? Expect longer queues at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.
Direct O'Hare International Airport to London tickets are available for booking. London Heathrow Airport (LHR) is where you'll be touching down.
You can choose from a variety of carriers operating direct flights from O'Hare International Airport to London, including:
We make it a breeze to book flight tickets from ORD to London with a stopover. To see the options, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. The most sought-after stopovers include:
- Amsterdam Airport Schiphol (AMS)
- Charles de Gaulle Airport (CDG)
- Pearson International Airport (YYZ)
ORD is about 26 kilometres from central Chicago. If you're ride-sharing, driving or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 55 minutes.
Looking for a hotel near ORD? If you're boarding an early flight from O'Hare International Airport to London, these stays will put you moments from your departure lounge:
74.85% of flights taking off from O'Hare International Airport land at their destination on schedule.
ORD is located at 10000 West O'Hare.

How to find the cheapest flights from O'Hare International Airport (ORD) to London

R 2,555 is the cheapest price we've found for a one-way O'Hare International Airport to London flight. A round-trip flight ticket right now is R 7,688. Depending on the availability when you book, these fares could change.
Book seven months before flying. Research on pricing trends suggests this is the ideal window for finding cheap flights from ORD to London.
November is the best month for picking up an amazing deal on O'Hare International Airport to London tickets. If you want to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.
Picking up a cheap flight from ORD to London couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll let you know when there's a better deal.
Tailor your trip with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from O'Hare International Airport to London.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) is around 31 kilometres from the centre of London. If you're grabbing a cab or a ride-share, the drive takes roughly 55 minutes.
It takes around 1 hour if you're travelling by public transport.
If you're coming in on a late flight from O'Hare International Airport to London, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing soon after at one of these hotels near LHR:
Get on the fast track to adventure by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.
Lock in the best deal by reserving your ride from London Heathrow Airport around one week in advance of your flight from ORD to London.

London Gatwick Airport (LGW)

Central London is located around 80 kilometres from London Gatwick Airport (LGW). After your flight from O'Hare International Airport to London has hit the runway and you've made your way out of the airport, expect a drive of around 1 hour 20 minutes.
If you're catching public transport, it'll take around 30 minutes.
Hang up the 'Do not disturb' sign and unwind at a hotel near LGW. Here are a few options where you can kick back after your ORD to London flight:
Forget about inconvenient public transport timetables or long cab lines. Pick up a London Gatwick Airport rental car and let the journey unfold your way. Compare rates and availability from Green Motion, U-Save and Drivalia.
Get exactly what you want. Reserving your ride from LGW three weeks in advance often means lower prices and a bigger choice of vehicles.

Stansted Airport (STN)

Hop off your flight from O'Hare International Airport to London and head straight for your hotel or start exploring right away. The centre of London is around 64 kilometres from Stansted Airport (STN) and usually takes 1 hour to drive there.
Public transport will take you there in around 1 hour 25 minutes.
If you don't want to travel to the centre, find a hotel near STN. Check in to one of these stays after your ORD to London flight:
Be in the driver's seat of the next part of your trip by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar make getting on the road smooth sailing.
If you're looking for a specific model or make, lock in your ride from STN about four weeks before your flight from O'Hare International Airport to London. This gives you a better shot at getting the car you prefer, along with a better deal.

Best time to go to London

Travel to London during peak season if you prefer a busy atmosphere, but remember that hotel prices may be higher. Alternatively, book flights from O'Hare International Airport to London during low season when prices are cheaper and it's quieter.
When booking your O'Hare International Airport to London flight ticket, think about the weather you're most comfortable in. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for a cheap ticket from ORD to London around that time if you like travelling in cooler conditions.

More about London

Start your London trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from O'Hare International Airport to London, check out our range of hotels including:
The British Museum and Big Ben are just the start of the top attractions to put on your London itinerary. Continue your sightseeing adventures at Buckingham Palace.

Explore more of United Kingdom

You've seen London, now it's time to discover other parts of United Kingdom. Travel about 161 kilometres north-west to Birmingham to tick off its leading attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.
If there's time to check out another great destination in United Kingdom, consider Bristol, about 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are key reasons to visit.