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

Dublin (DUB) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

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

The number of flights available between London and Chicago is 245 per week as of November 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.

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

SWISS, Delta, and Finnair are the most popular carriers operating from London to Chicago

Which airline has the best punctuality record on London to Chicago flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

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

Flights via Reykjavik (KEF) offer the lowest average return price of £315.

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

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 08m.

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.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for London to Chicago flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from London to Chicago delayed?

Historically, on average around 11% of flights between London and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

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

As of November 2025, 35 flights take off from London and land in Chicago each day. The most common flight departure time for this route is 12:00, with 67% of daily flights taking off in the afternoon.

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 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 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.

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.

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 November 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.

£323 Cheap Flights from London to Chicago in 2025/26

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Enter your travel dates to find the best prices.

14:00 - 11:11LGW-ORD

27h 11m1 stop

11:55 - 16:40ORD-LGW

22h 45m2 stops

£425Multiple Airlines

Find Deal

Sat, 24 Jan - Fri, 30 Jan

19:50 - 16:45LHR-ORD

50h 55m2 stops

19:20 - 09:20ORD-LHR

32h 00m1 stop

£425Scandinavian Airlines

Find Deal

Tue, 9 Dec - Thu, 22 Jan

08:30 - 17:20STN-ORD

14h 50m2 stops

18:30 - 17:50ORD-STN

17h 20m2 stops

£425Multiple Airlines

Find Deal

Thu, 4 Dec - Wed, 10 Dec

11:55 - 17:20LGW-ORD

11h 25m1 stop

19:30 - 10:55ORD-LGW

10h 25m1 stop

£427Icelandair

Find Deal

Mon, 2 Mar - Tue, 10 Mar

13:40 - 15:00LHR-ORD

31h 20m1 stop

19:10 - 15:30ORD-LHR

14h 20m1 stop

£428TAP AIR PORTUGAL

Find Deal

Tue, 9 Dec - Wed, 14 Jan

20:35 - 17:20LHR-ORD

26h 45m1 stop

18:30 - 19:30ORD-LHR

19h 00m1 stop

£428Icelandair

Find Deal

Mon, 16 Feb - Tue, 24 Feb

09:20 - 16:20LCY-ORD

13h 00m1 stop

19:50 - 12:55ORD-LCY

12h 05m1 stop

£496SWISS

Find Deal

Wed, 4 Mar - Mon, 9 Mar

09:20 - 16:20LCY-ORD

13h 00m1 stop

18:50 - 17:05ORD-LCY

16h 15m1 stop

£505SWISS

Find Deal

Wed, 28 Jan - Tue, 10 Feb

08:55 - 22:07LHR-MDW

19h 12m1 stop

12:48 - 09:00MDW-LHR

14h 12m1 stop

£517Virgin Atlantic

Find Deal

Mon, 12 Jan - Mon, 26 Jan

10:45 - 17:45LHR-MDW

13h 00m1 stop

13:05 - 07:50MDW-LHR

13h 45m1 stop

£519Virgin Atlantic

Find Deal

Mon, 2 Mar - Tue, 10 Mar

Icelandair flights from London to Chicago

Our best Icelandair deals on London to Chicago flight tickets

Icelandair

2 Mar

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

10 Mar

ORD19:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

£427

Find similar

Icelandair

4 Mar

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

10 Mar

ORD19:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

£428

Find similar

Icelandair

4 Mar

LGW11:55London Gatwick

11h 25m

1 stop

ORD17:20Chicago O'Hare Intl

10 Mar

ORD19:30Chicago O'Hare Intl

10h 25m

1 stop

LGW10:55London Gatwick

£430

Find similar

TAP AIR PORTUGAL flights from London to Chicago

Our best TAP AIR PORTUGAL deals on London to Chicago flight tickets

TAP AIR PORTUGAL

9 Dec

LHR13:40London Heathrow

31h 20m

1 stop

ORD15:00Chicago O'Hare Intl

14 Jan

ORD19:10Chicago O'Hare Intl

14h 20m

1 stop

LHR15:30London Heathrow

£428

Find similar

TAP AIR PORTUGAL

2 Mar

LGW21:25London Gatwick

47h 35m

2 stops

ORD15:00Chicago O'Hare Intl

8 Mar

ORD21:25Chicago O'Hare Intl

13h 20m

1 stop

LGW15:45London Gatwick

£439

Find similar

TAP AIR PORTUGAL

22 Nov

LHR19:55London Heathrow

24h 50m

1 stop

ORD14:45Chicago O'Hare Intl

7 Dec

ORD20:25Chicago O'Hare Intl

19h 10m

1 stop

LHR21:35London Heathrow

£445

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 24/1

14:00-11:11

1 stop27h 11m

Chicago O'Hare Intl

Fri 30/1

11:55-16:40

2 stops22h 45m

£425

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 9/12

19:50-16:45

2 stops50h 55m

Chicago O'Hare Intl

Thu 22/1

19:20-09:20

1 stop32h 00m

£425

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 4/12

08:30-17:20

2 stops14h 50m

Chicago O'Hare Intl

Wed 10/12

18:30-17:50

2 stops17h 20m

£425

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 2/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Tue 10/3

19:30-10:55

1 stop10h 25m

£427

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 9/12

13:40-15:00

1 stop31h 20m

Chicago O'Hare Intl

Wed 14/1

19:10-15:30

1 stop14h 20m

£428

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 16/2

20:35-17:20

1 stop26h 45m

Chicago O'Hare Intl

Tue 24/2

18:30-19:30

1 stop19h 00m

£428

LondonChicago

LCY - ORD

LCYORD

London City

Wed 4/3

09:20-16:20

1 stop13h 00m

Chicago O'Hare Intl

Mon 9/3

19:50-12:55

1 stop12h 05m

£496

LondonChicago

LCY - ORD

LCYORD

London City

Wed 28/1

09:20-16:20

1 stop13h 00m

Chicago O'Hare Intl

Tue 10/2

18:50-17:05

1 stop16h 15m

£505

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 12/1

08:55-22:07

1 stop19h 12m

Chicago Midway

Mon 26/1

12:48-09:00

1 stop14h 12m

£517

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 2/3

10:45-17:45

1 stop13h 00m

Chicago Midway

Tue 10/3

13:05-07:50

1 stop13h 45m

£519

Flights are sorted by cheapest return flights first.

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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

Prices

Airlines

Delays

Stopovers

Other information

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 £442, 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 September instead. Flights to Chicago in September, while not as cheap as those in February, still average around £445.

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 £629. 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 £689.

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 £514 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £690.

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 £560 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 £529 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 11% 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 November 2025, prices for London to Chicago flights are approximately 59% 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	£460
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 £460. The best return flight deal from London to Chicago found on momondo in the last 72 hours is £583.

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 11h 00m.
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 November 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 43.38% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 14.40%, Boeing 777 at 13.79%, and Boeing 787-9 Dreamliner at 5.20%.
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 42% of all bookings. The subsequent popular airlines are Icelandair at 13%, Lufthansa at 11%, 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 £322	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom £354	Free Cancellation	Rating 7.5 674 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom £369	Free Cancellation	Rating 7.4 1,584 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom £378	Free Cancellation	Rating 7.1 2,070 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom £380	Free Cancellation	Rating 7.2 1,377 reviews	Search Aer Lingus flights
Brussels Airlines	PriceFrom £396	Free Cancellation	Rating 7.2 370 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom £407	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
British Airways	PriceFrom £415	Free Cancellation	Rating 6.7 7,534 reviews	Search British Airways flights
Austrian Airlines	PriceFrom £415	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom £419	Free Cancellation	Rating 7.4 9,030 reviews	Search United Airlines flights

Austrian Airlines Flights From London to Chicago
Austrian Airlines operates around 16 flights from London to Chicago every week. The average price of these flights found in the last 72 hours has been £618, but momondo users have found Austrian Airlines deals from London to Chicago from as low as £415 round-trip. Austrian Airlines has been scored 7.6/10 in 874 reviews.
Finnair Flights From London to Chicago
Finnair (7.6/10 from 1,334 reviews) operates around 26 flights from London to Chicago in any given week. The average Finnair airfare for this route is around £576, with deals from around £438 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 £410

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chicago departing on 24/12. 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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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 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 £514 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £690.

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 11% 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 November 2025, prices for London to Chicago flights are approximately 59% more expensive when compared to flights at the same time last year.

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

SWISS, Delta, and Finnair are the most popular carriers operating from London to Chicago

Which airlines fly to Chicago?

How often are flights from London to Chicago delayed?

Historically, on average around 11% of flights between London and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

What is the most punctual flight time for London to Chicago flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Chicago flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

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

Dublin (DUB) was the most common stop: 40% 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 £315.

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?

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 08m.

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

As of November 2025, 35 flights take off from London and land in Chicago each day. The most common flight departure time for this route is 12:00, with 67% 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 245 per week as of November 2025. The most frequent departure day is Wed, with 18% 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?