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

33 flights are operational daily from London to Chicago as of November 2025. The most popular departure time for this route is 14:00, with 59% of flights per day taking off in the afternoon.

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

As of November 2025, 233 flights take off from London and land in Chicago each week. The most common flight departure day for this route is Sun, with 19% of weekly flights taking off on this day.

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

United Airlines, Austrian Airlines, and KLM are the most popular carriers operating from London to Chicago

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Chicago.

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

The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

€389 Cheap Flights from London to Chicago in 2025/26

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 €477 to €693. The lowest price recently found on this route was €463.

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Find the cheapest flights from London to Chicago

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07:05 - 16:45LHR-ORD

15h 40m2 stops

19:20 - 17:40ORD-LHR

16h 20m1 stop

€463Scandinavian Airlines

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Mon, 19 Jan - Thu, 22 Jan

06:40 - 16:45LHR-ORD

16h 05m1 stop

19:20 - 16:25ORD-LHR

15h 05m2 stops

€464Scandinavian Airlines

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Fri, 12 Dec - Wed, 7 Jan

15:35 - 16:55LHR-ORD

31h 20m2 stops

19:20 - 16:25ORD-LHR

15h 05m2 stops

€465Scandinavian Airlines

Find Deal

Sat, 10 Jan - Thu, 15 Jan

21:05 - 16:45LHR-ORD

25h 40m2 stops

19:20 - 16:00ORD-LHR

14h 40m1 stop

€466Scandinavian Airlines

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Thu, 13 Nov - Mon, 17 Nov

19:50 - 16:45LHR-ORD

26h 55m2 stops

19:20 - 16:25ORD-LHR

15h 05m2 stops

€467Scandinavian Airlines

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Fri, 12 Dec - Wed, 7 Jan

20:35 - 17:20LHR-ORD

26h 45m1 stop

18:30 - 10:50ORD-LHR

10h 20m1 stop

€513Icelandair

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Sun, 14 Dec - Wed, 28 Jan

18:00 - 09:13LHR-ORD

21h 13m1 stop

17:50 - 07:55ORD-LHR

8h 05mdirect

€517United Airlines

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Sat, 6 Dec - Sun, 7 Dec

18:00 - 09:13LHR-ORD

21h 13m1 stop

21:05 - 11:15ORD-LHR

8h 10mdirect

€518United Airlines

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Sat, 6 Dec - Sun, 7 Dec

13:05 - 18:15LHR-ORD

11h 10m1 stop

19:25 - 11:55ORD-LHR

10h 30m1 stop

€525Icelandair

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Tue, 14 Apr - Mon, 27 Apr

08:50 - 14:00LHR-ORD

11h 10m1 stop

15:50 - 09:05ORD-LHR

11h 15m1 stop

€559Aer Lingus

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Mon, 8 Dec - Tue, 23 Dec

Scandinavian Airlines flights from London to Chicago

Our best Scandinavian Airlines deals on London to Chicago flight tickets

Scandinavian Airlines

19 Jan

LHR07:05London Heathrow

15h 40m

2 stops

ORD16:45Chicago O'Hare Intl

22 Jan

ORD19:20Chicago O'Hare Intl

16h 20m

1 stop

LHR17:40London Heathrow

€463

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Scandinavian Airlines

12 Dec

LHR06:40London Heathrow

16h 05m

1 stop

ORD16:45Chicago O'Hare Intl

7 Jan

ORD19:20Chicago O'Hare Intl

15h 05m

2 stops

LHR16:25London Heathrow

€464

Find similar

Scandinavian Airlines

10 Jan

LHR15:35London Heathrow

31h 20m

2 stops

ORD16:55Chicago O'Hare Intl

15 Jan

ORD19:20Chicago O'Hare Intl

15h 05m

2 stops

LHR16:25London Heathrow

€465

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Icelandair flights from London to Chicago

Our best Icelandair deals on London to Chicago flight tickets

Icelandair

14 Dec

LHR20:35London Heathrow

26h 45m

1 stop

ORD17:20Chicago O'Hare Intl

3 Feb

ORD18:30Chicago O'Hare Intl

19h 00m

1 stop

LHR19:30London Heathrow

€513

Find similar

Icelandair

14 Apr

LHR13:05London Heathrow

11h 10m

1 stop

ORD18:15Chicago O'Hare Intl

28 Apr

ORD19:25Chicago O'Hare Intl

10h 30m

1 stop

LHR11:55London Heathrow

€525

Find similar

Icelandair

13 Apr

LHR21:25London Heathrow

26h 50m

1 stop

ORD18:15Chicago O'Hare Intl

29 Apr

ORD19:25Chicago O'Hare Intl

10h 30m

1 stop

LHR11:55London Heathrow

€527

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 19/1

07:05-16:45

2 stops15h 40m

Chicago O'Hare Intl

Thu 22/1

19:20-17:40

1 stop16h 20m

€463

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 12/12

06:40-16:45

1 stop16h 05m

Chicago O'Hare Intl

Wed 7/1

19:20-16:25

2 stops15h 05m

€464

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 10/1

15:35-16:55

2 stops31h 20m

Chicago O'Hare Intl

Thu 15/1

19:20-16:25

2 stops15h 05m

€465

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 13/11

21:05-16:45

2 stops25h 40m

Chicago O'Hare Intl

Mon 17/11

19:20-16:00

1 stop14h 40m

€466

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 12/12

19:50-16:45

2 stops26h 55m

Chicago O'Hare Intl

Wed 7/1

19:20-16:25

2 stops15h 05m

€467

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 14/12

20:35-17:20

1 stop26h 45m

Chicago O'Hare Intl

Wed 28/1

18:30-10:50

1 stop10h 20m

€513

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/12

18:00-09:13

1 stop21h 13m

Chicago O'Hare Intl

Sun 7/12

17:50-07:55

Nonstop8h 05m

€517

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/12

18:00-09:13

1 stop21h 13m

Chicago O'Hare Intl

Sun 7/12

21:05-11:15

Nonstop8h 10m

€518

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 14/4

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Mon 27/4

19:25-11:55

1 stop10h 30m

€525

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 8/12

08:50-14:00

1 stop11h 10m

Chicago O'Hare Intl

Tue 23/12

15:50-09:05

1 stop11h 15m

€559

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

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 €502, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in February, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of €506.

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

On average, the least expensive day to fly to Chicago from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as €673. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Chicago on Tuesday is €3,244.

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 €635 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 €601 on momondo.

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

There are 2 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.

How have London to Chicago flight prices changed over time?

As of November 2025, prices for London to Chicago flights are approximately 62% 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

Fastest flight time	8h 25m
Direct flights	Every day
Airports in Chicago	1 airport

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)

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How far is London to Chicago by plane?
A flight from London to Chicago will travel around 6349.2 km. By plane, this route typically takes 11h 05m.
When did momondo last update prices for flights from London to Chicago?
Prices for flights from London to Chicago were last updated today.
How old do you have to be to fly from London to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Chicago is Boeing 767-300 (43.52% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (13.74%), Boeing 777 (13.67%), and Boeing 787-9 Dreamliner (5.49%).

Why use momondo?

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

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 London to Chicago for you.

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

Yes. momondo allows you to filter the results for London to Chicago flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Chicago from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.