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

As of January 2026, there are 246 flights per week flying from United Kingdom to Chicago. The most common day of the week flights depart is Sat, with 16% of flights taking off on this day.

What is the cheapest airline that flies from United Kingdom to Chicago?

Delta, Finnair, and Iberia are the most popular carriers operating from United Kingdom to Chicago

Which airlines fly to Chicago?

British Airways, Aer Lingus and Lufthansa are the top three most popular airlines that fly to Chicago from United Kingdom according to our data. British Airways is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 16 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on the United Kingdom 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.

How often are flights from the United Kingdom to Chicago delayed?

Historically, on average around 11% of flights between United Kingdom and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 172 minutes.

What is the most punctual flight time for the United Kingdom 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 long does it take to fly to Chicago?

On average, it takes 8h 35m to fly from United Kingdom to Chicago if you fly out of Edinburgh (the most popular airport in United Kingdom) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago). If you’re flying out of London and into Chicago O'Hare Intl Airport, then the flight time is around 9h 55m.

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.

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

The number of flights available between United Kingdom and Chicago is 35 per day as of January 2026. The most frequent departure time is 12:00, with 63% of daily flights leaving in the afternoon.

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

Prices for flights from United Kingdom to Chicago are updated daily.

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

As of January 2026, there are 16 operators available to choose from for flights from United Kingdom to Chicago.

How old do you have to be to fly from United Kingdom to Chicago?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Chicago.

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

The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£246 Cheap Flights from the United Kingdom to Chicago in 2026

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Recent return flight deals from the United Kingdom to Chicago

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10:10 - 16:45

MAN

ORD

12h 35m1 stop

19:20 - 18:35

ORD

MAN

17h 15m1 stop

£394Scandinavian Airlines

Sat, 31 Jan - Wed, 4 Feb

10:10 - 16:45

MAN

ORD

12h 35m1 stop

19:20 - 18:35

ORD

MAN

17h 15m1 stop

£394Scandinavian Airlines

Mon, 26 Jan - Mon, 2 Feb

10:10 - 16:55

MAN

ORD

12h 45m1 stop

19:10 - 18:35

ORD

MAN

17h 25m1 stop

£395Scandinavian Airlines

Sun, 1 Feb - Sun, 8 Feb

12:20 - 17:20

EDI

ORD

11h 00m1 stop

18:30 - 10:00

ORD

EDI

9h 30m1 stop

£403Icelandair

Fri, 6 Feb - Mon, 9 Feb

11:10 - 18:25

LHR

ORD

13h 15m1 stop

17:50 - 07:55

ORD

LHR

8h 05mdirect

£406United Airlines

Mon, 2 Feb - Wed, 18 Feb

08:30 - 15:20

LHR

ORD

12h 50m1 stop

21:05 - 11:15

ORD

LHR

8h 10mdirect

£406United Airlines

Fri, 16 Jan - Sun, 18 Jan

11:55 - 17:20

LGW

ORD

11h 25m1 stop

18:30 - 10:55

ORD

LGW

10h 25m1 stop

£407Icelandair

Thu, 12 Feb - Mon, 23 Feb

12:50 - 19:15

LHR

ORD

12h 25m1 stop

20:45 - 10:25

ORD

LHR

7h 40mdirect

£409British Airways

Sat, 24 Jan - Mon, 9 Feb

07:40 - 14:00

LHR

ORD

12h 20m1 stop

22:20 - 12:15

ORD

LHR

7h 55mdirect

£409British Airways

Wed, 22 Apr - Wed, 13 May

10:55 - 17:00

EDI

ORD

12h 05m1 stop

18:25 - 12:20

ORD

EDI

11h 55m1 stop

£469Finnair

Fri, 6 Feb - Tue, 10 Feb

British Airways flights from United Kingdom to Chicago

Our best British Airways deals on United Kingdom to Chicago flight tickets

British Airways

12 Jan

LHR07:50London Heathrow

17h 25m

1 stop

ORD19:15Chicago O'Hare Intl

17 Jan

ORD18:55Chicago O'Hare Intl

29h 55m

1 stop

LHR06:50London Heathrow

£406

Find similar

British Airways

24 Jan

LHR12:50London Heathrow

12h 25m

1 stop

ORD19:15Chicago O'Hare Intl

9 Feb

ORD20:45Chicago O'Hare Intl

7h 40m

LHR10:25London Heathrow

£409

Find similar

British Airways

22 Apr

LHR07:40London Heathrow

12h 20m

1 stop

ORD14:00Chicago O'Hare Intl

13 May

ORD22:20Chicago O'Hare Intl

7h 55m

LHR12:15London Heathrow

£409

Find similar

Finnair flights from United Kingdom to Chicago

Our best Finnair deals on United Kingdom to Chicago flight tickets

Finnair

14 Jan

LHR07:35London Heathrow

13h 20m

1 stop

ORD14:55Chicago O'Hare Intl

17 Jan

ORD19:05Chicago O'Hare Intl

29h 55m

1 stop

LHR07:00London Heathrow

£411

Find similar

Finnair

23 Feb

LHR09:55London Heathrow

14h 03m

1 stop

ORD17:58Chicago O'Hare Intl

28 Feb

ORD17:40Chicago O'Hare Intl

22h 30m

2 stops

LHR22:10London Heathrow

£426

Find similar

Finnair

12 Jan

LGW12:30London Gatwick

26h 35m

1 stop

ORD09:05Chicago O'Hare Intl

19 Jan

ORD08:14Chicago O'Hare Intl

18h 46m

1 stop

LGW09:00London Gatwick

£458

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sat 31/1

10:10-16:45

1 stop12h 35m

Chicago O'Hare Intl

Wed 4/2

19:20-18:35

1 stop17h 15m

£394

ManchesterChicago

MAN - ORD

MANORD

Manchester

Mon 26/1

10:10-16:45

1 stop12h 35m

Chicago O'Hare Intl

Mon 2/2

19:20-18:35

1 stop17h 15m

£394

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sun 1/2

10:10-16:55

1 stop12h 45m

Chicago O'Hare Intl

Sun 8/2

19:10-18:35

1 stop17h 25m

£395

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Fri 6/2

12:20-17:20

1 stop11h 00m

Chicago O'Hare Intl

Mon 9/2

18:30-10:00

1 stop9h 30m

£403

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 2/2

11:10-18:25

1 stop13h 15m

Chicago O'Hare Intl

Wed 18/2

17:50-07:55

Nonstop8h 05m

£406

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 16/1

08:30-15:20

1 stop12h 50m

Chicago O'Hare Intl

Sun 18/1

21:05-11:15

Nonstop8h 10m

£406

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 12/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Mon 23/2

18:30-10:55

1 stop10h 25m

£407

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 24/1

12:50-19:15

1 stop12h 25m

Chicago O'Hare Intl

Mon 9/2

20:45-10:25

Nonstop7h 40m

£409

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 22/4

07:40-14:00

1 stop12h 20m

Chicago O'Hare Intl

Wed 13/5

22:20-12:15

Nonstop7h 55m

£409

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Fri 6/2

10:55-17:00

1 stop12h 05m

Chicago O'Hare Intl

Tue 10/2

18:25-12:20

1 stop11h 55m

£469

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 United Kingdom 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

Other information

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from United Kingdom is in February. Flight prices, which tend to average around £429, 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 United Kingdom during November instead. Flights to Chicago in November, while not as cheap as those in February, still average around £431.

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 £613. 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 £659.

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

Flying to Chicago from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £629 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £660.

What is the cheapest United Kingdom to Chicago flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £540 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 United Kingdom for as low as £516 on momondo.

What cabin class options are available on United Kingdom to Chicago flights?

There are 4 cabin classes available to choose from on United Kingdom 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 United Kingdom to Chicago flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Chicago.

Cheap United Kingdom to Chicago flight deals and tips

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

Best price found	£444
Fastest flight time	8h 35m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from United Kingdom in the past 72 hours is £444. The best return flight deal from United Kingdom to Chicago found on momondo in the last 72 hours is £519.

The fastest flight from United Kingdom to Chicago takes 8h 35m

Direct flights go from United Kingdom to Chicago every day.

There are 3 airports in Chicago. From United Kingdom there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from United Kingdom to Chicago?
Prices for flights from United Kingdom to Chicago are updated daily.
How many operators does momondo search for flights from United Kingdom to Chicago?
As of January 2026, there are 16 operators available to choose from for flights from United Kingdom to Chicago.
How old do you have to be to fly from United Kingdom to Chicago?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United Kingdom to Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United Kingdom to Chicago is Boeing 767-300 (29.85% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (22.59%), Boeing 777 (11.97%), and Boeing 787-10 Dreamliner (10.13%).

Best airlines flying from United Kingdom to Chicago

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £285	Free Cancellation	Rating 7.1 593 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom £344	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom £355	Free Cancellation	Rating 7.4 1,630 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom £364	Free Cancellation	Rating 7.2 1,425 reviews	Search Aer Lingus flights
British Airways	PriceFrom £378	Free Cancellation	Rating 6.7 7,653 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom £384	Free Cancellation	Rating 7.1 2,109 reviews	Search TAP AIR PORTUGAL flights
Brussels Airlines	PriceFrom £385	Free Cancellation	Rating 7.2 379 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom £393	Free Cancellation	Rating 6.8 7,683 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £401	Free Cancellation	Rating 7.6 889 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom £408	Free Cancellation	Rating 7.4 9,134 reviews	Search United Airlines flights

Why use momondo?

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

It is quick and easy to find United Kingdom to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from United Kingdom.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from United Kingdom and alert you when they change.

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Chicago Midway Airport

Chicago O'Hare Intl Airport

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Cheap flights from the United Kingdom to Chicago from £246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Chicago departing on 11/5. 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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Filter for what you want

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British Airways flights from United Kingdom to Chicago

Our best British Airways deals on United Kingdom to Chicago flight tickets

Finnair flights from United Kingdom to Chicago

Our best Finnair deals on United Kingdom to Chicago flight tickets

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See travel insights to Chicago from

How to get the cheapest flight ticket from United Kingdom to 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 United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £629 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £660.

What is the cheapest United Kingdom to Chicago flight route?

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

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

What cabin class options are available on United Kingdom to Chicago flights?

There are 4 cabin classes available to choose from on United Kingdom 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 United Kingdom to Chicago flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Chicago.

What is the cheapest airline that flies from United Kingdom to Chicago?

Delta, Finnair, and Iberia are the most popular carriers operating from United Kingdom to Chicago

Which airlines fly to Chicago?

How often are flights from the United Kingdom to Chicago delayed?

Historically, on average around 11% of flights between United Kingdom and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 172 minutes.

What is the most punctual flight time for the United Kingdom 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 the United Kingdom 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.

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

The number of flights available between United Kingdom and Chicago is 35 per day as of January 2026. The most frequent departure time is 12:00, with 63% of daily flights leaving in the afternoon.

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

As of January 2026, there are 246 flights per week flying from United Kingdom to Chicago. The most common day of the week flights depart is Sat, with 16% of flights taking off on this day.

How long does it take to fly to Chicago?

Cheap United Kingdom to Chicago flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Chicago

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

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

How old do you have to be to fly from United Kingdom to Chicago?

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

What is the most popular plane model from United Kingdom to Chicago?

Best airlines flying from United Kingdom to Chicago

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

Why use momondo?

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

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

How can momondo help me find flights from United Kingdom to Chicago?

I’m not ready to book a flight from United Kingdom 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

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago