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Cheap flights from Chicago to London from £128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to London departing on 24/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap Chicago to London (CHI to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to London

Best price found

£128

Fastest flight time

7h 40m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in London

3 airports
The best one-way flight to London from Chicago in the past 72 hours is £128. The best return flight deal from Chicago to London found on momondo in the last 72 hours is £349.
The fastest flight from Chicago to London takes 7h 40m
Direct flights go from Chicago to London on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Austrian Airlines and Lufthansa.
There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)

How to get the cheapest flight ticket from Chicago to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Chicago to London?

February. The cheapest time of year to fly to London from Chicago is February. The most expensive is June.

What is the cheapest day to depart Chicago for London?

Saturday. The cheapest day of the week is usually Saturday. The most expensive is usually Sunday.

When is the cheapest time to fly from Chicago to London?

In the evening. Chicago to London flights are approximately 18% more expensive at midday than in the evening

What is the cheapest airline that flies to London from Chicago?

Scandinavian Airlines. British Airways, Iberia, and Lufthansa are the most popular carriers operating from Chicago to London

What is the cheapest Chicago to London flight route?

Chicago O'Hare Intl - London Gatwick. Fly from Chicago O'Hare Intl to London Gatwick for the best Chicago - London flight prices

How far in advance should you book Chicago to London flights?

10 days before. The cheapest time to buy a flight from Chicago to London is approximately 10 days to departure

How many flights depart from Chicago to London on average per day?

As of March 2024, there are 32 flights per week flying from Chicago to London. The most common time of day flights depart is 18:00, with 46% of flights taking off in the evening.

How many flights depart from Chicago to London on average per week?

The number of flights available between Chicago and London is 227 per week as of March 2024. The most frequent departure day is Monday, with 16% of weekly flights leaving on this day.

Can stopping save me money on Chicago to London flights?

You could potentially save up to 20% on your flight if you consider stops on a Chicago to London flight.

When travelling from Chicago to London, the most popular airport to fly into is London Heathrow Airport. The majority of travellers flying into London Heathrow Airport from Chicago are departing from Chicago O'Hare Intl Airport. When booking your trip to London, it is helpful to have an alternative airport to fly out of. The nearest airport to Chicago O'Hare Intl Airport is Chicago Midway Airport which is located in Chicago. If you are looking for alternate airports to fly into when travelling from Chicago, you can try flying into London Gatwick Airport (in London), London City Airport (in London, or London Luton Airport (in 15). In March, £346 is typically the cheapest round trip price you’ll find from Chicago to London which you can find when you fly ORD — LGW.

Chicago O'Hare Intl Airport (ORD) to London Heathrow Airport (LHR)£394
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Chicago O'Hare Intl Airport (ORD) to London Gatwick Airport (LGW)£346
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Chicago O'Hare Intl Airport (ORD) to London City Airport (LCY)£554
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Chicago Midway Airport (MDW) to London Heathrow Airport (LHR)£534
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Chicago O'Hare Intl Airport (ORD) to London Luton Airport (LTN)£581
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Chicago Midway Airport (MDW) to London Gatwick Airport (LGW)£364
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Easily compare return flights from Chicago to London

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to London by changing tabs
Multiple Airlines
24 Apr
ORD20:59Chicago O'Hare Intl
28h 01m
1 stop
LGW07:00London Gatwick
9 May
LGW10:00London Gatwick
28h 55m
1 stop
ORD08:55Chicago O'Hare Intl
Scandinavian Airlines
8 Apr
ORD19:45Chicago O'Hare Intl
14h 15m
1 stop
LHR16:00London Heathrow
23 Apr
LHR09:55London Heathrow
14h 00m
1 stop
ORD17:55Chicago O'Hare Intl
TAP AIR PORTUGAL
22 Apr
ORD18:00Chicago O'Hare Intl
15h 35m
1 stop
LGW15:35London Gatwick
23 Apr
LGW21:05London Gatwick
25h 05m
2 stops
ORD16:10Chicago O'Hare Intl
Finnair
18 Apr
ORD22:35Chicago O'Hare Intl
7h 40m
LHR12:15London Heathrow
24 Apr
LHR10:05London Heathrow
8h 40m
ORD12:45Chicago O'Hare Intl
Icelandair
22 Sept
ORD19:30Chicago O'Hare Intl
10h 25m
1 stop
LHR11:55London Heathrow
9 Oct
LHR13:05London Heathrow
11h 15m
1 stop
ORD18:20Chicago O'Hare Intl
Aer Lingus
21 Apr
ORD15:45Chicago O'Hare Intl
10h 15m
1 stop
LHR08:00London Heathrow
30 Apr
LHR13:25London Heathrow
11h 40m
1 stop
ORD19:05Chicago O'Hare Intl

Find the cheapest one-way flights from Chicago to London

If you're looking for one-way flights from Chicago to London, view some of our deals below provided by Iberia, Icelandair and Scandinavian Airlines
Multiple Airlines
24 Apr
ORD08:25Chicago O'Hare Intl
19h 35m
1 stop
LGW10:00London Gatwick
Icelandair
7 Aug
ORD19:25Chicago O'Hare Intl
18h 55m
1 stop
LHR20:20London Heathrow
Scandinavian Airlines
8 Apr
ORD19:45Chicago O'Hare Intl
17h 45m
1 stop
LHR19:30London Heathrow

Search last-minute flights to London from Chicago

Find and compare return flight prices for your last-minute flight from Chicago to London
Multiple Airlines
3 Apr
ORD17:20Chicago O'Hare Intl
31h 00m
1 stop
LGW06:20London Gatwick
10 Apr
LGW21:10London Gatwick
54h 33m
2 stops
ORD21:43Chicago O'Hare Intl
Scandinavian Airlines
7 Apr
ORD19:45Chicago O'Hare Intl
14h 15m
1 stop
LHR16:00London Heathrow
17 Apr
LHR09:55London Heathrow
14h 00m
1 stop
ORD17:55Chicago O'Hare Intl
TAP AIR PORTUGAL
7 Apr
ORD18:00Chicago O'Hare Intl
17h 45m
1 stop
LHR17:45London Heathrow
11 Apr
LHR19:50London Heathrow
26h 10m
1 stop
ORD16:00Chicago O'Hare Intl
Aer Lingus
2 Apr
ORD20:55Chicago O'Hare Intl
12h 00m
1 stop
LHR14:55London Heathrow
10 Apr
LHR06:45London Heathrow
13h 15m
1 stop
ORD14:00Chicago O'Hare Intl
ITA Airways
12 Apr
ORD15:00Chicago O'Hare Intl
14h 00m
1 stop
LCY11:00London City
19 Apr
LCY16:50London City
26h 20m
1 stop
ORD13:10Chicago O'Hare Intl
Lufthansa
31 Mar
ORD22:30Chicago O'Hare Intl
14h 05m
1 stop
LCY18:35London City
9 Apr
LCY19:10London City
23h 45m
1 stop
ORD12:55Chicago O'Hare Intl

Best airlines flying from Chicago to London

Compare and see reviews for airlines that fly from Chicago to London with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £348Free CancellationRating
7.4
1,426 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom £375Free CancellationRating
7.0
7,892 reviews
Search Lufthansa flights
United AirlinesPriceFrom £404Free CancellationRating
7.4
11,481 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £407Free CancellationRating
7.7
755 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £471Free CancellationRating
7.2
1,383 reviews
Search Aer Lingus flights
British AirwaysPriceFrom £485Free CancellationRating
6.8
6,960 reviews
Search British Airways flights
IberiaPriceFrom £497Free CancellationRating
7.1
2,810 reviews
Search Iberia flights
FinnairPriceFrom £502Free CancellationRating
7.7
1,377 reviews
Search Finnair flights
American AirlinesPriceFrom £513Free CancellationRating
7.3
15,181 reviews
Search American Airlines flights
TAP AIR PORTUGALPriceFrom £533Free CancellationRating
7.1
2,204 reviews
Search TAP AIR PORTUGAL flights
  • Finnair Flights From Chicago to London

    Finnair flight deals from Chicago to London start from £634 round-trip. Over the 21 Finnair flights for this route in a normal week, average airfare is usually £908 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Chicago to London

    United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago to London start from as low as £510 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around £652. United Airlines operates 17 flights to London from Chicago in an average week. Users have rated it 7.4/10 across 11,481 reviews.


Scandinavian Airlines flights from Chicago to London

Our best Scandinavian Airlines deals on Chicago to London flight tickets
Scandinavian Airlines
8 Apr
ORD19:45Chicago O'Hare Intl
14h 15m
1 stop
LHR16:00London Heathrow
23 Apr
LHR09:55London Heathrow
14h 00m
1 stop
ORD17:55Chicago O'Hare Intl
Scandinavian Airlines
20 Apr
ORD19:45Chicago O'Hare Intl
16h 45m
2 stops
LHR18:30London Heathrow
22 Apr
LHR09:55London Heathrow
14h 00m
1 stop
ORD17:55Chicago O'Hare Intl
Scandinavian Airlines
27 Apr
ORD19:45Chicago O'Hare Intl
19h 50m
2 stops
LHR21:35London Heathrow
29 Apr
LHR18:40London Heathrow
29h 15m
1 stop
ORD17:55Chicago O'Hare Intl

TAP AIR PORTUGAL flights from Chicago to London

Our best TAP AIR PORTUGAL deals on Chicago to London flight tickets
TAP AIR PORTUGAL
22 Apr
ORD18:00Chicago O'Hare Intl
15h 35m
1 stop
LGW15:35London Gatwick
23 Apr
LGW21:05London Gatwick
25h 05m
2 stops
ORD16:10Chicago O'Hare Intl
TAP AIR PORTUGAL
22 Apr
ORD18:00Chicago O'Hare Intl
12h 45m
1 stop
LHR12:45London Heathrow
7 May
LHR19:50London Heathrow
26h 20m
1 stop
ORD16:10Chicago O'Hare Intl
TAP AIR PORTUGAL
22 Apr
ORD18:00Chicago O'Hare Intl
12h 45m
1 stop
LHR12:45London Heathrow
30 Apr
LHR19:50London Heathrow
26h 20m
1 stop
ORD16:10Chicago O'Hare Intl

  • How far is Chicago to London by plane?

    There are 3945.2 mi between Chicago and London. In terms of flight time, this usually takes a little over 7h 40m.

  • When did momondo last update prices for flights from Chicago to London?

    Prices for flights from Chicago to London were last updated today.

  • How many operators does momondo search for flights from Chicago to London?

  • How old do you have to be to fly from Chicago to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


What are the benefits of the different airports in Chicago to London?

Chicago is one of the biggest cities in America, so the airport is well equipped for travellers. Some of the amenities available include waiting areas for travellers, restaurants, bars and shops, which you can access in both the arrival and departure areas of the airport. You can also find charging stations and desk areas to get some work done before your flight or in between connections. London Heathrow Airport is also a major airport and has a multitude of facilities, including on site hotels for passengers who need to rest before their next flight. You can also find restaurants, bars and shops, as well as accessible entrances and a range of accessibility features for elderly travellers and those with disabilities.


What is the best way to get in and out of airports in Chicago to London?

The best way to get to Chicago O’Hare Airport from the city centre is by train or taxi. Most people prefer to take a taxi from the centre of Chicago to the airport because it is the most reliable method. A taxi will get you to the airport in about 30 to 40 minutes depending on traffic in the city. If you prefer to use the train, then you need to take the blue line to get to the airport. Once you arrive in London the best ways to get from London Heathrow Airport, to the centre of London is by train, bus or taxi. The Heathrow Express train is a convenient way to travel between the airport and the city centre, the train reaches Paddington Station in around 15 minutes, and from here you can access the different underground lines, like the Bakerloo Line, Central Line, Hammersmith & City Line and the District Line. The train leaves the airport every 20 minutes.

Which cities can you get to from London Heathrow International Airport?

London is a very popular city for travellers and if you're visiting you will probably want to visit other nearby cities. With London's bus and train systems being incredibly robust you can take a high speed train or a very comfortable bus to any city in the country with relative ease. From London you can get to Brighton in the south of England in just over 1 hour using the train. If you want to visit the north of England, you can reach Leeds by train in just under 2h 30min, or Manchester in either 2 or 3 hours depending on the train. You can also easily visit cities in Scotland and Wales from London, Cardiff for example can be reached by train in less than 2 hours with some trains, or visit Edinburgh, the capital of Scotland, which is easily done by train in around 4 hours.


Alternative routes for Chicago to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
St. Louis to London Flights
Fastest flight time13h 25m
Cheapest price£412
Chicago to Manchester Flights
Fastest flight time9h 50m
Cheapest price£483
Chicago to Southampton Flights
Fastest flight time10h 30m
Cheapest price£739
Chicago to Birmingham Flights
Fastest flight time9h 55m
Cheapest price£528
Chicago to Liverpool Flights
Fastest flight time10h 30m
Cheapest price£683
Chicago to Bristol Flights
Fastest flight time10h 05m
Cheapest price£594
St. Louis to Manchester Flights
Fastest flight time17h 45m
Cheapest price£573
Chicago to Leeds Flights
Fastest flight time10h 30m
Cheapest price£567
St. Louis to Birmingham Flights
Fastest flight time14h 50m
Cheapest price£619
Chicago to Newcastle upon Tyne Flights
Fastest flight time11h 20m
Cheapest price£507
Bloomington, Illinois to London Flights
Fastest flight time11h 48m
Cheapest price£606

Similar Chicago to London flights

Flexible with your destination? Broaden your search and find flights similar to your Chicago to London route

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to London for you.

Can I find flights from Chicago to London with flexible booking policies on momondo?

Flights from Chicago to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to London?

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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