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

As of September 2025, 51 flights take off from London and land in Chicago each day. The most common flight departure time for this route is 14:00, with 51% of daily flights taking off in the afternoon.

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

The number of flights available between London and Chicago is 361 per week as of September 2025. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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

Delta, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from London to Chicago

Which stopover airport has the shortest travel time from London to Chicago?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 10h 50m.

Which airport is the most popular for stopovers for flights between London and Chicago?

Reykjavik (KEF) was the most common stop: 39% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to Chicago?

Flights via Reykjavik (KEF) offer the lowest average return price of £304.

Which stopover airport has the shortest connection time from London to Chicago?

Amsterdam (AMS) has the shortest average stopover time for this route: 0h 58m.

Which airlines fly to Chicago?

British Airways, Lufthansa and Finnair are the top three most popular airlines that fly to Chicago from London according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 14 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Which airlines fly direct from London to Chicago?

Travellers fly from London Heathrow Airport (LHR) to Chicago O'Hare International Airport (ORD) in approximately 8h 50min. Direct flights operate from London to Chicago on Monday and Wednesday via Finnair and American Airlines. Brussels Airlines, Air Canada, and British Airways are the most popular carriers operating from London to Chicago. TAP Air Portugal offers the cheapest flights, while Lufthansa, Finnair, and Air France offer the quickest one-way flights from London to Chicago. Get the cheapest flights from London to Chicago by booking your flight 60 days to departure. Some of the carriers that may not claim cancellation charges are United Airlines, British Airways, and Finnair.

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

Passengers flying from London to Chicago mostly use London Heathrow Airport (LHR). Get some delicious food, drinks, and other refreshments from the numerous restaurants, cafes, lounges, and bars within the airport. London Gatwick Airport (LGW) is the most accessible, with a great budget, easy navigation, and shorter waiting times. While London Heathrow Airport (LHR) is the better option for those coming from central London, it's more expensive when compared to the others. Nonetheless, all London airports provide everything you need to travel anywhere in London. London Heathrow Airport has the advantage of being close to Park Grand Heathrow, an 11min walk from Hounslow East Tube Station. The hotel is a prime choice for many business travellers due to its fully-equipped business facilities and hospitable rooms. Once you land at Chicago O'Hare International Airport, enjoy some relaxation time after a long flight. The airport also offers a children's play area, charging ports, stroller parking, and a nursing room for mothers.

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

Most flights from London to Chicago depart from London Heathrow Airport (LHR) and London Luton Airport (LTN), or London City Airport (LCY). If you want to travel to and from London Heathrow Airport (LHR), you can use a bus, the Tube, a Taxi, or a train. The Heathrow Express is the fastest link between the airport and central London. The train runs nonstop from Paddington station every quarter-hour, taking 15 minutes to get to T2 and T3 and a little longer toT4 or T5. The Tube is another great option since it serves all terminals in the airport and a trip takes about 1 hour. The National Express Coaches operate 24/7 from the airport to Victoria Coach Station and vice versa, and the journey takes approximately 40-80 minutes. Taxis at London Heathrow Airport (LHR) are always available outside each terminal building, with the journey taking approximately 1 hour. For those travelling outside London, take a bus, train, or hire a car. Chicago is served by two airports - Chicago O'HareIntl (ORD), Chicago Midway (MDW), and Chicago Greater Rockford (RFD). Chicago O'HareIntl (ORD) is the busiest airport in Chicago. The CTA Blue Line L train, located in T3, is the best way to travel to and from central Chicago. The trip takes 40 minutes, and the trains operate every 6 -10 minutes throughout the day and every 30min at night. Shuttle vans depart from the airport every 10-15 minutes servicing several hotels in downtown Chicago. Which cities can you get to from Chicago? Flights from London to Chicago land at Chicago O'Hare International (ORD). Some nearby cities and towns that are quick to get to include Naperville, Stickney, and Evanston. The most economical way to get to Naperville from Chicago is by car, which takes 36 minutes. You can also take a train from Chicago Union Station and get to Naperville 1h 2min later. Travelling to Stickney via taxi takes 15 minutes and 1 hour if you take a bus. Evanston is about 17 minutes from Chicago by taxi and 44 minutes by train.

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

Prices for flights from London to Chicago refresh daily.

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

There are 14 operators available for flights from London to Chicago as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chicago.

What documentation or ID do you need to fly to Chicago?

The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£317 Cheap Flights from London to Chicago in 2025

Q: What is the typical price of a round-trip flight between London and Chicago?

Prices are currently low for flights on this route. Typical prices usually range from £413 to £529. The lowest price recently found on this route was £396.

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Find the cheapest flights from London to Chicago

Round-trip

One-way

Last minute

Direct

Cheap return flights

10:00 - 09:18LGW-ORD

29h 18m1 stop

06:00 - 10:00ORD-LGW

22h 00m1 stop

£396

Find Deal

Sat, 20 Sep - Tue, 14 Oct

06:50 - 21:05LTN-ORD

19h 15m2 stops

19:20 - 22:00ORD-LTN

20h 40m2 stops

£396

Find Deal

Wed, 29 Oct - Sun, 2 Nov

08:30 - 11:30LHR-ORD

9h 00mdirect

21:25 - 11:45ORD-LHR

8h 20mdirect

£396Lufthansa

Find Deal

Thu, 25 Sep - Sun, 28 Sep

09:15 - 11:50LHR-ORD

8h 35mdirect

17:40 - 07:20ORD-LHR

7h 40mdirect

£398British Airways

Find Deal

Tue, 23 Sep - Thu, 2 Oct

14:10 - 17:00LHR-ORD

8h 50mdirect

21:45 - 11:35ORD-LHR

7h 50mdirect

£399British Airways

Find Deal

Thu, 6 Nov - Wed, 12 Nov

20:35 - 17:20LHR-ORD

26h 45m1 stop

18:30 - 10:50ORD-LHR

10h 20m1 stop

£400Icelandair

Find Deal

Tue, 2 Dec - Mon, 12 Jan

08:30 - 14:55LHR-ORD

12h 25m1 stop

22:30 - 17:40ORD-LHR

13h 10m1 stop

£401Lufthansa

Find Deal

Wed, 8 Oct - Wed, 15 Oct

15:40 - 21:15LGW-ORD

11h 35m1 stop

19:25 - 14:40ORD-LGW

13h 15m1 stop

£405Icelandair

Find Deal

Thu, 18 Sep - Thu, 25 Sep

09:15 - 17:36LHR-ORD

14h 21m1 stop

09:10 - 07:40ORD-LHR

16h 30m1 stop

£406Finnair

Find Deal

Thu, 9 Oct - Sun, 12 Oct

11:25 - 14:30LHR-ORD

33h 05m1 stop

20:40 - 10:25ORD-LHR

7h 45mdirect

£411Finnair

Find Deal

Sun, 9 Nov - Thu, 13 Nov

British Airways flights from London to Chicago

Our best British Airways deals on London to Chicago flight tickets

British Airways

23 Sept

LHR09:15London Heathrow

8h 35m

ORD11:50Chicago O'Hare Intl

2 Oct

ORD17:40Chicago O'Hare Intl

7h 40m

LHR07:20London Heathrow

£398

Find similar

British Airways

6 Nov

LHR14:10London Heathrow

8h 50m

ORD17:00Chicago O'Hare Intl

12 Nov

ORD21:45Chicago O'Hare Intl

7h 50m

LHR11:35London Heathrow

£399

Find similar

British Airways

18 Sept

LHR14:25London Heathrow

8h 35m

ORD17:00Chicago O'Hare Intl

21 Sept

ORD20:40Chicago O'Hare Intl

7h 50m

LHR10:30London Heathrow

£411

Find similar

Brussels Airlines flights from London to Chicago

Our best Brussels Airlines deals on London to Chicago flight tickets

Brussels Airlines

23 Sept

LHR14:10London Heathrow

8h 35m

ORD16:45Chicago O'Hare Intl

1 Oct

ORD14:53Chicago O'Hare Intl

12h 47m

1 stop

LHR09:40London Heathrow

£399

Find similar

Brussels Airlines

20 Sept

LHR08:30London Heathrow

9h 00m

ORD11:30Chicago O'Hare Intl

27 Sept

ORD21:25Chicago O'Hare Intl

8h 20m

LHR11:45London Heathrow

£400

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 20/9

10:00-09:18

1 stop29h 18m

Chicago O'Hare Intl

Tue 14/10

06:00-10:00

1 stop22h 00m

£396

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 29/10

06:50-21:05

2 stops19h 15m

Chicago O'Hare Intl

Sun 2/11

19:20-22:00

2 stops20h 40m

£396

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 25/9

08:30-11:30

Nonstop9h 00m

Chicago O'Hare Intl

Sun 28/9

21:25-11:45

Nonstop8h 20m

£396

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 23/9

09:15-11:50

Nonstop8h 35m

Chicago O'Hare Intl

Thu 2/10

17:40-07:20

Nonstop7h 40m

£398

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 6/11

14:10-17:00

Nonstop8h 50m

Chicago O'Hare Intl

Wed 12/11

21:45-11:35

Nonstop7h 50m

£399

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 2/12

20:35-17:20

1 stop26h 45m

Chicago O'Hare Intl

Mon 12/1

18:30-10:50

1 stop10h 20m

£400

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 8/10

08:30-14:55

1 stop12h 25m

Chicago O'Hare Intl

Wed 15/10

22:30-17:40

1 stop13h 10m

£401

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 18/9

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

Thu 25/9

19:25-14:40

1 stop13h 15m

£405

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 9/10

09:15-17:36

1 stop14h 21m

Chicago O'Hare Intl

Sun 12/10

09:10-07:40

1 stop16h 30m

£406

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 9/11

11:25-14:30

1 stop33h 05m

Chicago O'Hare Intl

Thu 13/11

20:40-10:25

Nonstop7h 45m

£411

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Chicago

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

Prices

Airlines

Stopovers

Other information

What is the typical price of a round-trip flight between London and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from London is in February. Flight prices, which tend to average around £427, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago from London during March instead. Flights to Chicago in March, while not as cheap as those in February, still average around £447.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £599. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £656.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £496 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £660.

What is the cheapest London to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £539 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from London for as low as £516 on momondo.

What cabin class options are available on London to Chicago flights?

There are 4 cabin classes available to choose from on London to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Chicago flights?

You could potentially save up to 6% on your flight if you consider stops on a London to Chicago flight.

How have London to Chicago flight prices changed over time?

As of September 2025, prices for London to Chicago flights are approximately 38% more expensive when compared to flights at the same time last year.

When to book flights from London to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from London to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to Chicago (LON to CHI) flight deals and tips

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

Best price found	£496
Fastest flight time	8h 25m
Direct flights	Every day
Airports in Chicago	1 airport

The best one-way flight to Chicago from London in the past 72 hours is £496. The best return flight deal from London to Chicago found on momondo in the last 72 hours is £499.

The fastest flight from London to Chicago takes 8h 25m

Direct flights go from London to Chicago every day.

There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

Search flight deals

How far is London to Chicago by plane?
The distance between London and Chicago is about 3945.2 mi. In terms of flight time, this usually takes a little over 8h 35m.
When did momondo last update prices for flights from London to Chicago?
Prices for flights from London to Chicago refresh daily.
How many operators does momondo search for flights from London to Chicago?
There are 14 operators available for flights from London to Chicago as of September 2025.
How old do you have to be to fly from London to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to Chicago?
momondo data reveals that the most frequently booked plane model on the route from London to Chicago is Boeing 767-300, representing 45.62% of all bookings. The subsequent popular models are Boeing 777 at 12.93%, Boeing 787-10 Dreamliner at 11.82%, and Boeing 787-9 Dreamliner at 7.24%.
What is the most popular airline from London to Chicago?
momondo data reveals that the most frequently booked airline on the route from London to Chicago is British Airways, representing 43% of all bookings. The subsequent popular airlines are Icelandair at 13%, Lufthansa at 12%, and Finnair at 7%.

Best airlines flying from London to Chicago

Compare and see reviews for airlines that fly from London to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £310	Free Cancellation	Rating 7.0 546 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom £351	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom £365	Free Cancellation	Rating 7.1 1,977 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom £365	Free Cancellation	Rating 7.2 1,271 reviews	Search Aer Lingus flights
Virgin Atlantic	PriceFrom £378	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Brussels Airlines	PriceFrom £391	Free Cancellation	Rating 7.2 359 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom £394	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £398	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
British Airways	PriceFrom £403	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
United Airlines	PriceFrom £406	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights

Austrian Airlines Flights From London to Chicago
Austrian Airlines operates around 21 flights from London to Chicago every week. The average price of these flights found in the last 72 hours has been £766, but momondo users have found Austrian Airlines deals from London to Chicago from as low as £539 round-trip. Austrian Airlines has been scored 7.6/10 in 850 reviews.
Finnair Flights From London to Chicago
Finnair (7.6/10 from 1,323 reviews) operates around 34 flights from London to Chicago in any given week. The average Finnair airfare for this route is around £750, with deals from around £590 rare but found on momondo. Referenced prices are for round-trip London to Chicago flight searches in the last 72 hours.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from London.

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

Flights from London to Chicago 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 London to Chicago?

Once all potential London to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from London to Chicago from £396

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chicago departing on 20/9. 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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Big names, great deals

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British Airways flights from London to Chicago

Our best British Airways deals on London to Chicago flight tickets

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Our best Brussels Airlines deals on London to Chicago flight tickets

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How to get the cheapest flight ticket from London to Chicago

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 typical price of a round-trip flight between London and Chicago?

What is the cheapest month to fly to Chicago?

What is the cheapest day to depart on your flight to Chicago?

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as £496 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £660.

What is the cheapest London to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

What cabin class options are available on London to Chicago flights?

There are 4 cabin classes available to choose from on London to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Chicago flights?

You could potentially save up to 6% on your flight if you consider stops on a London to Chicago flight.

How have London to Chicago flight prices changed over time?

As of September 2025, prices for London to Chicago flights are approximately 38% more expensive when compared to flights at the same time last year.

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

Delta, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from London to Chicago

Which airlines fly to Chicago?

Which airport is the most popular for stopovers for flights between London and Chicago?

Reykjavik (KEF) was the most common stop: 39% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to Chicago?

Flights via Reykjavik (KEF) offer the lowest average return price of £304.

Which stopover airport has the shortest travel time from London to Chicago?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 10h 50m.

Which stopover airport has the shortest connection time from London to Chicago?

Amsterdam (AMS) has the shortest average stopover time for this route: 0h 58m.

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

As of September 2025, 51 flights take off from London and land in Chicago each day. The most common flight departure time for this route is 14:00, with 51% of daily flights taking off in the afternoon.

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

The number of flights available between London and Chicago is 361 per week as of September 2025. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

When to book flights from London to Chicago

Cheap London to Chicago (LON to CHI) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Chicago

How far is London to Chicago by plane?

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

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

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

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from London to Chicago?

What is the most popular airline from London to Chicago?

Best airlines flying from London to Chicago

Compare and see reviews for airlines that fly from London to Chicago with momondo

Austrian Airlines Flights From London to Chicago

Finnair Flights From London to Chicago

Why use momondo?

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

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

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

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

An easier way to manage your Chicago trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.