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 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 week?

The number of flights available between London and Chicago is 363 per week as of October 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

Flights via Reykjavik (KEF) offer the lowest average return price of £310.

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

As of October 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 50% of daily flights taking off in the afternoon.

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

Reykjavik (KEF) was the most common stop: 37% of momondo users choosing one-stop flights on this route connected there.

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.

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

Delta, Aer Lingus, and British Airways are the most popular carriers operating from London to Chicago

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 October 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.

£355 Cheap Flights from London to Chicago in 2025/26

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10:20 - 16:45LHR-ORD

12h 25m1 stop

19:20 - 17:40ORD-LHR

16h 20m1 stop

£397Scandinavian Airlines

Find Deal

Mon, 3 Nov - Sun, 9 Nov

09:00 - 17:20LTN-ORD

14h 20m2 stops

18:30 - 22:00ORD-LTN

21h 30m2 stops

£397Multiple Airlines

Find Deal

Thu, 6 Nov - Sun, 9 Nov

06:30 - 17:20STN-ORD

16h 50m2 stops

18:30 - 16:35ORD-STN

16h 05m2 stops

£397Multiple Airlines

Find Deal

Thu, 6 Nov - Sun, 9 Nov

16:00 - 15:25LGW-ORD

29h 25m1 stop

20:25 - 15:45ORD-LGW

13h 20m1 stop

£401TAP AIR PORTUGAL

Find Deal

Thu, 13 Nov - Sun, 16 Nov

16:00 - 15:25LGW-ORD

29h 25m1 stop

19:10 - 15:05ORD-LGW

13h 55m1 stop

£402TAP AIR PORTUGAL

Find Deal

Thu, 6 Nov - Wed, 12 Nov

11:55 - 17:20LGW-ORD

11h 25m1 stop

18:30 - 10:55ORD-LGW

10h 25m1 stop

£425Icelandair

Find Deal

Wed, 5 Nov - Wed, 12 Nov

11:55 - 17:20LGW-ORD

11h 25m1 stop

18:30 - 10:55ORD-LGW

10h 25m1 stop

£426Icelandair

Find Deal

Mon, 24 Nov - Mon, 1 Dec

06:30 - 16:38LHR-MDW

16h 08m2 stops

09:59 - 07:05MDW-LHR

15h 06m1 stop

£501Virgin Atlantic

Find Deal

Tue, 25 Nov - Wed, 3 Dec

11:05 - 18:18LHR-MDW

13h 13m1 stop

13:50 - 07:05MDW-LHR

11h 15m1 stop

£511Virgin Atlantic

Find Deal

Tue, 25 Nov - Wed, 3 Dec

09:50 - 20:05LCY-ORD

16h 15m1 stop

16:20 - 16:40ORD-LCY

18h 20m1 stop

£550Lufthansa

Find Deal

Mon, 10 Nov - Sun, 23 Nov

Scandinavian Airlines flights from London to Chicago

Our best Scandinavian Airlines deals on London to Chicago flight tickets

Scandinavian Airlines

3 Nov

LHR10:20London Heathrow

12h 25m

1 stop

ORD16:45Chicago O'Hare Intl

9 Nov

ORD19:20Chicago O'Hare Intl

16h 20m

1 stop

LHR17:40London Heathrow

£397

Find similar

Scandinavian Airlines

4 Nov

LHR19:50London Heathrow

26h 55m

2 stops

ORD16:45Chicago O'Hare Intl

7 Nov

ORD19:20Chicago O'Hare Intl

17h 10m

2 stops

LHR18:30London Heathrow

£398

Find similar

Scandinavian Airlines

18 Nov

LHR19:50London Heathrow

26h 55m

2 stops

ORD16:45Chicago O'Hare Intl

26 Nov

ORD19:20Chicago O'Hare Intl

15h 05m

2 stops

LHR16:25London Heathrow

£399

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

13 Nov

LGW16:00London Gatwick

29h 25m

1 stop

ORD15:25Chicago O'Hare Intl

16 Nov

ORD20:25Chicago O'Hare Intl

13h 20m

1 stop

LGW15:45London Gatwick

£401

Find similar

TAP AIR PORTUGAL

6 Nov

LGW16:00London Gatwick

29h 25m

1 stop

ORD15:25Chicago O'Hare Intl

12 Nov

ORD19:10Chicago O'Hare Intl

13h 55m

1 stop

LGW15:05London Gatwick

£402

Find similar

TAP AIR PORTUGAL

23 Nov

LHR06:00London Heathrow

14h 45m

1 stop

ORD14:45Chicago O'Hare Intl

30 Nov

ORD20:25Chicago O'Hare Intl

20h 15m

1 stop

LHR22:40London Heathrow

£405

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 3/11

10:20-16:45

1 stop12h 25m

Chicago O'Hare Intl

Sun 9/11

19:20-17:40

1 stop16h 20m

£397

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 6/11

09:00-17:20

2 stops14h 20m

Chicago O'Hare Intl

Sun 9/11

18:30-22:00

2 stops21h 30m

£397

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 6/11

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

Sun 9/11

18:30-16:35

2 stops16h 05m

£397

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 13/11

16:00-15:25

1 stop29h 25m

Chicago O'Hare Intl

Sun 16/11

20:25-15:45

1 stop13h 20m

£401

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 6/11

16:00-15:25

1 stop29h 25m

Chicago O'Hare Intl

Wed 12/11

19:10-15:05

1 stop13h 55m

£402

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 5/11

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Wed 12/11

18:30-10:55

1 stop10h 25m

£425

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 24/11

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Mon 1/12

18:30-10:55

1 stop10h 25m

£426

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 25/11

06:30-16:38

2 stops16h 08m

Chicago Midway

Wed 3/12

09:59-07:05

1 stop15h 06m

£501

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 25/11

11:05-18:18

1 stop13h 13m

Chicago Midway

Wed 3/12

13:50-07:05

1 stop11h 15m

£511

LondonChicago

LCY - ORD

LCYORD

London City

Mon 10/11

09:50-20:05

1 stop16h 15m

Chicago O'Hare Intl

Sun 23/11

16:20-16:40

1 stop18h 20m

£550

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 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 £434, 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 £438.

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 £617. 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 £676.

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 £504 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £678.

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 £546 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 £520 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 16% 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 October 2025, prices for London to Chicago flights are approximately 36% 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	£477
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 £477. The best return flight deal from London to Chicago found on momondo in the last 72 hours is £476.

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 October 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 44.56% of all bookings. The subsequent popular models are Boeing 777 at 13.12%, Boeing 787-10 Dreamliner at 12.94%, and Boeing 787-9 Dreamliner at 6.45%.
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 £315	Free Cancellation	Rating 7.0 553 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom £348	Free Cancellation	Rating 7.4 665 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom £359	Free Cancellation	Rating 7.4 1,530 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom £371	Free Cancellation	Rating 7.2 1,324 reviews	Search Aer Lingus flights
TAP AIR PORTUGAL	PriceFrom £371	Free Cancellation	Rating 7.1 2,007 reviews	Search TAP AIR PORTUGAL flights
Brussels Airlines	PriceFrom £389	Free Cancellation	Rating 7.2 364 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom £400	Free Cancellation	Rating 6.8 7,465 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £405	Free Cancellation	Rating 7.6 853 reviews	Search Austrian Airlines flights
British Airways	PriceFrom £408	Free Cancellation	Rating 6.7 7,449 reviews	Search British Airways flights
United Airlines	PriceFrom £409	Free Cancellation	Rating 7.4 8,972 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 £793, 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 853 reviews.
Finnair Flights From London to Chicago
Finnair (7.6/10 from 1,332 reviews) operates around 34 flights from London to Chicago in any given week. The average Finnair airfare for this route is around £759, with deals from around £583 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 £392

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 6/1. 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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Scandinavian Airlines flights from London to Chicago

Our best Scandinavian Airlines deals on London to Chicago flight tickets

TAP AIR PORTUGAL flights from London to Chicago

Our best TAP AIR PORTUGAL 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 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 £504 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £678.

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 16% 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 October 2025, prices for London to Chicago flights are approximately 36% more expensive when compared to flights at the same time last year.

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

Delta, Aer Lingus, and British Airways 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: 37% 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 £310.

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 October 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 50% 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 363 per week as of October 2025. The most frequent departure day is Mon, 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.

Find better results for your trip to the United States