How long is the flight from United Kingdom to Chicago?

Departing from United Kingdom to Chicago will take you 12h 25m. The distance from United Kingdom to Chicago is about 3939 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from United Kingdom to Chicago one-way?

One-way options have recently been found by users for as low as £316 on Aer Lingus. Other airlines that offer cheap prices include United Airlines from £322 and Icelandair from £326 one-way.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What are the most popular routes from United Kingdom to Chicago?

The most popular flight routes from United Kingdom to Chicago are London Heathrow - Chicago O'Hare Intl, London Stansted - Chicago O'Hare Intl and London Gatwick - Chicago O'Hare Intl.

What are the cheapest flights from United Kingdom to Chicago?

Looking for the cheapest flight from United Kingdom to Chicago? While on average our users pay £1,561, our data indicates the cheapest price to be £379. The most popular route (London Heathrow - Chicago O'Hare Intl), is priced around £417.

What are the most reliable airlines from United Kingdom to Chicago?

No one likes to see their flight delayed. When booking a flight from United Kingdom to Chicago consider choosing Air Canada (88%), Austrian Airlines (88%) or United Airlines (88%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from United Kingdom to Chicago?

When booking a flight from United Kingdom to Chicago, you may want to consider flying on British Airways, Aer Lingus or Icelandair as they are the most popular for this route.

Can I find deals for flights from United Kingdom to Chicago that include hotel bookings?

Yes. In addition to deals on United Kingdom to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Chicago?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Chicago.

Can I find deals for business class flights from United Kingdom to Chicago?

Yes. Cheapflights offers flight deals from United Kingdom to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£283+ Cheap Flights from the United Kingdom to Chicago

Cheap flight deals from United Kingdom to Chicago

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from United Kingdom to Chicago
Explore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2026.

Tue 1/1206:00 -

2 stops17h 20m

Tue 8/1218:30 -

2 stops19h 05m

Deal found 19/10£484

Wed 2/1206:30 -

2 stops16h 50m

Wed 9/1218:30 -

2 stops21h 50m

Deal found 21/10£485

Tue 17/1108:20 -

2 stops15h 00m

Tue 24/1118:30 -

2 stops12h 25m

Deal found 20/10£498

Fri 20/1106:10 -

2 stops38h 30m

Sat 21/1118:15 -

2 stops32h 30m

Deal found 22/10£502

Mon 16/1107:55 -

2 stops39h 25m

Fri 27/1120:10 -

1 stop18h 45m

Deal found 20/10£503

Thu 5/1108:10 -

2 stops15h 10m

Sun 8/1118:30 -

2 stops21h 30m

Deal found 20/10£504

Wed 18/1118:15 -

2 stops29h 05m

Wed 25/1119:00 -

3 stops22h 30m

Deal found 21/10£507

Fri 4/1206:55 -

2 stops16h 25m

Sun 13/1218:30 -

2 stops22h 30m

Deal found 19/10£510

Thu 19/1120:55 -

3 stops26h 25m

Thu 26/1118:30 -

2 stops18h 05m

Deal found 19/10£512

Mon 23/1106:40 -

1 stop16h 05m

Mon 7/1219:10 -

1 stop16h 30m

Deal found 20/10£512

Mon 23/1119:30 -

2 stops27h 50m

Mon 7/1218:30 -

2 stops21h 15m

Deal found 20/10£513

Mon 23/1107:50 -

2 stops15h 30m

Mon 7/1218:30 -

3 stops18h 45m

Deal found 21/10£514

Best flights from United Kingdom to Chicago
Discover carefully curated flight deals from United Kingdom to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2026.

Fri 15/110:20 -

1 stop12h 25m

Fri 22/119:10 -

2 stops32h 25m

Deal found 21/10£531

Thu 5/1111:25 -

1 stop34h 05m

Wed 18/1119:00 -

1 stop33h 40m

Deal found 19/10£534

Fri 13/1108:40 -

1 stop15h 40m

Sat 28/1115:55 -

1 stop10h 15m

Deal found 20/10£547

Tue 1/1206:00 -

1 stop14h 10m

Tue 8/1220:05 -

1 stop17h 30m

Deal found 19/10£549

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 20/10£575

Thu 19/1106:00 -

1 stop14h 25m

Thu 3/1214:41 -

2 stops16h 54m

Deal found 20/10£612

Wed 2/1206:00 -

1 stop14h 25m

Wed 9/1210:38 -

2 stops17h 07m

Deal found 20/10£612

Wed 18/1109:00 -

1 stop13h 15m

Thu 26/1121:50 -

Nonstop8h 10m

Deal found 20/10£616

Sun 22/1109:05 -

1 stop34h 55m

Mon 7/1215:45 -

Nonstop8h 10m

Deal found 24/10£642

Thu 3/1205:40 -

1 stop14h 45m

Thu 10/1216:25 -

1 stop10h 15m

Deal found 19/10£669

Sat 14/1110:05 -

1 stop29h 55m

Tue 24/1120:15 -

1 stop30h 55m

Deal found 24/10£727

Wed 25/1108:30 -

2 stops36h 06m

Sun 29/1120:45 -

2 stops36h 30m

Deal found 19/10£841

Sun 22/1119:15 -

1 stop27h 30m

Mon 30/1119:10 -

1 stop32h 20m

Deal found 20/10£543

Fri 6/1109:10 -

1 stop15h 10m

Thu 12/1115:55 -

1 stop12h 55m

Deal found 22/10£551

Thu 12/1107:30 -

2 stops15h 50m

Sat 28/1118:30 -

2 stops13h 00m

Deal found 19/10£552

Tue 9/312:15 -

1 stop11h 05m

Mon 15/319:30 -

1 stop10h 20m

Deal found 20/10£584

Thu 15/421:10 -

2 stops25h 00m

Thu 22/419:15 -

2 stops31h 15m

Deal found 19/10£545

Wed 18/1109:35 -

2 stops59h 55m

Wed 25/1119:00 -

1 stop14h 05m

Deal found 20/10£613

Sat 21/1106:15 -

1 stop14h 10m

Sat 28/1118:25 -

1 stop13h 10m

Deal found 21/10£614

Wed 2/1208:20 -

1 stop11h 50m

Tue 8/1220:05 -

1 stop10h 50m

Deal found 19/10£569

Sat 21/1105:55 -

2 stops21h 47m

Mon 30/1116:25 -

1 stop11h 50m

Deal found 21/10£628

Sun 6/1219:10 -

2 stops32h 32m

Sun 13/1208:15 -

2 stops28h 15m

Deal found 22/10£584

Thu 18/221:00 -

2 stops25h 45m

Tue 23/219:10 -

1 stop17h 25m

Deal found 24/10£553

Thu 19/1110:10 -

2 stops35h 20m

Sun 22/1120:10 -

2 stops18h 25m

Deal found 19/10£616

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop9h 25m

Deal found 19/10£622

Thu 3/1206:00 -

1 stop14h 25m

Thu 10/1208:39 -

2 stops19h 01m

Deal found 19/10£626

Wed 6/118:00 -

1 stop31h 58m

Fri 8/117:45 -

Nonstop8h 10m

Deal found 21/10£690

Sun 7/207:25 -

1 stop17h 50m

Sun 28/220:05 -

1 stop20h 10m

Deal found 19/10£584

Tue 8/1211:20 -

1 stop13h 00m

Tue 15/1215:55 -

1 stop10h 45m

Deal found 24/10£604

Thu 19/1110:10 -

1 stop12h 35m

Thu 26/1119:10 -

2 stops34h 35m

Deal found 22/10£553

Find flight deals from United Kingdom to Chicago

Round-trip from	£484
One-way from	£283
Popular in	August
Cheapest in	February
Average price	£649
Good round-trip deal	£584 or less
Good one-way deal	£489 or less

1/12-8/12
4 total stops
36h 25m total
United Kingdom to Chicago

Search Deals

5/11-31/12
2 total stops
38h 45m total
United Kingdom to Chicago

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from United Kingdom to Chicago (CHI).

Search Deals

Price to beat on a one-way flight from United Kingdom to Chicago (CHI).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LeedsChicago

LBA Leeds/Bradford - ORD Chicago O'Hare Intl

LBAORD

Leeds/Bradford

Mon 2/11

19:30-15:30

2 stops50h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£289

LiverpoolChicago

LPL Liverpool J. Lennon - ORD Chicago O'Hare Intl

LPLORD

Liverpool J. Lennon

Fri 4/12

23:45-15:30

3 stops45h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£310

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Wed 9/12

06:05-16:04

3 stops39h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£312

Newcastle upon TyneChicago

NCL Newcastle upon Tyne - ORD Chicago O'Hare Intl

NCLORD

Newcastle upon Tyne

Sat 5/12

14:15-15:30

3 stops31h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£312

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Mon 8/2

12:30-17:20

2 stops34h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£313

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Fri 11/12

15:10-15:30

3 stops54h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£315

LeedsChicago

LBA Leeds/Bradford - ORD Chicago O'Hare Intl

LBAORD

Leeds/Bradford

Wed 18/11

14:25-17:20

3 stops32h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£322

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Thu 4/3

11:20-17:20

1 stop12h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£336

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Sat 16/1

16:35-15:30

1 stop28h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£409

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Thu 5/11

19:55-15:30

1 stop25h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£410

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from United Kingdom to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from United Kingdom with our price prediction graph.

LBA-ORD

EDI-ORD

LGW-ORD

LHR-ORD

BHX-ORD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Chicago

GB0-CHI

LBA-ORD

EDI-ORD

LGW-ORD

LHR-ORD

What is the cheapest month to book a flight from United Kingdom to Chicago?

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Chicago (average of £506). Flying from United Kingdom to Chicago in August is currently the most expensive (average of £805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to CHI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Chicago as you normally would.

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

About 8% of weekly flights between United Kingdom and Chicago have experienced delays in the past year, with the average delay time being 179 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.

How far ahead should I book a flight from United Kingdom to Chicago?

The best time to book flights from United Kingdom to Chicago is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Chicago

Read reviews from past customers who have flown with Scandinavian Airlines,Aer Lingus, andIcelandair from the United Kingdom to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Scandinavian Airlines

7.4

Good

2,023 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Scandinavian Airlines

7.4

Good

2,023 reviews

Scandinavian Airlines

7.4

Good

2,023 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Aer Lingus

7.3

Good

1,854 reviews

Scandinavian Airlines

7.4

Good

2,023 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Icelandair

7.0

Good

764 reviews

Scandinavian Airlines

7.4

Good

2,023 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Lufthansa

6.8

Okay

8,294 reviews

Scandinavian Airlines

7.4

Good

2,023 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

British Airways

6.7

Okay

8,270 reviews

Scandinavian Airlines

7.4

Good

2,023 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Related info for your journey

How long is the flight from United Kingdom to Chicago?
Departing from United Kingdom to Chicago will take you 12h 25m. The distance from United Kingdom to Chicago is about 3939 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from United Kingdom to Chicago one-way?
One-way options have recently been found by users for as low as £316 on Aer Lingus. Other airlines that offer cheap prices include United Airlines from £322 and Icelandair from £326 one-way.
What are the most popular routes from United Kingdom to Chicago?
The most popular flight routes from United Kingdom to Chicago are London Heathrow - Chicago O'Hare Intl, London Stansted - Chicago O'Hare Intl and London Gatwick - Chicago O'Hare Intl.
What are the most reliable airlines from United Kingdom to Chicago?
No one likes to see their flight delayed. When booking a flight from United Kingdom to Chicago consider choosing Air Canada (88%), Austrian Airlines (88%) or United Airlines (88%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from United Kingdom to Chicago?
Looking for the cheapest flight from United Kingdom to Chicago? While on average our users pay £1,561, our data indicates the cheapest price to be £379. The most popular route (London Heathrow - Chicago O'Hare Intl), is priced around £417.
Can I find deals for flights from United Kingdom to Chicago that include hotel bookings?
Yes. In addition to deals on United Kingdom to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Chicago.
Can I find deals for business class flights from United Kingdom to Chicago?
Yes. Cheapflights offers flight deals from United Kingdom to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to Chicago?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to Chicago (average of £506). Flying from United Kingdom to Chicago in August is currently the most expensive (average of £805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Chicago flight routes

Complete your trip

Direct flights to Illinois

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for United Kingdom to Chicago

Heathrow to O'Hare Intl flights

Stansted to O'Hare Intl flights

Gatwick to O'Hare Intl flights

Heathrow to Midway flights

London City to O'Hare Intl flights

Luton to O'Hare Intl flights

Manchester to O'Hare Intl flights

Heathrow to St. Louis flights

Edinburgh to O'Hare Intl flights

Manchester to Midway flights

Gatwick to St. Louis flights

Stansted to St. Louis flights

London City to St. Louis flights

Birmingham to O'Hare Intl flights

Edinburgh to Midway flights

Gatwick to Midway flights

Glasgow Intl to O'Hare Intl flights

Edinburgh to St. Louis flights

Birmingham to Midway flights

Luton to St. Louis flights

Glasgow Intl to Midway flights

Newcastle upon Tyne to O'Hare Intl flights

Southend to O'Hare Intl flights

Bristol to O'Hare Intl flights

Newcastle upon Tyne to Midway flights

Leeds to O'Hare Intl flights

Bristol to Midway flights

Glasgow Intl to St. Louis flights

London City to Midway flights

Belfast City to O'Hare Intl flights

Belfast Intl to O'Hare Intl flights

Heathrow to Peoria flights

Liverpool to O'Hare Intl flights

Heathrow to Moline flights

Manchester to St. Louis flights

Southampton to O'Hare Intl flights

London City to Peoria flights

Exeter to O'Hare Intl flights

Birmingham to St. Louis flights

Leeds to Midway flights

Athens to O'Hare Intl flights

Manchester to Peoria flights

Edinburgh to Moline flights

Newquay to O'Hare Intl flights

Heathrow to Springfield flights

Heathrow to Champaign flights

Top 10 airlines flying from United Kingdom to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£30	Average£62	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Icelandair	Cheapest£204	Average£570	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£212	Average£733	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£349	Average£695	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Scandinavian Airlines	Cheapest£387	Average£550	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£389	Average£597	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£407	Average£790	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£425	Average£660	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£429	Average£727	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£434	Average£770	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Chicago?

When you search for this flight from United Kingdom to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Chicago?

Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from United Kingdom to Chicago with no change fees?

Need flexible booking options for your flight to Chicago from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Chicago become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from the United Kingdom to Chicago from £283

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Chicago

Cheapest flights from United Kingdom to ChicagoExplore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2026.

Explore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2026.

Best flights from United Kingdom to ChicagoDiscover carefully curated flight deals from United Kingdom to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2026.

Discover carefully curated flight deals from United Kingdom to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2026.

Direct flights from United Kingdom to ChicagoExplore direct flight options from United Kingdom to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 October 2026.

Explore direct flight options from United Kingdom to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 October 2026.

Last-minute flights from United Kingdom to ChicagoDiscover last-minute flight deals from United Kingdom to Chicago. Data last updated 24 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Chicago. Data last updated 24 October 2026 and is based on user searches.

One-way flights from United Kingdom to ChicagoSearch for one-way flight options from United Kingdom to Chicago. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.

Search for one-way flight options from United Kingdom to Chicago. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.

Find flight deals from United Kingdom to Chicago

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Chicago that are best for you.

Best time to book a flight from United Kingdom to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from United Kingdom with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from United Kingdom to Chicago?

What is the cheapest time of day to fly from GB to CHI?

Find hourly flight availability from United Kingdom to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Chicago as you normally would.

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

About 8% of weekly flights between United Kingdom and Chicago have experienced delays in the past year, with the average delay time being 179 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.

How far ahead should I book a flight from United Kingdom to Chicago?

The best time to book flights from United Kingdom to Chicago is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Chicago

Related info for your journey

How long is the flight from United Kingdom to Chicago?

What are the cheapest airlines to fly from United Kingdom to Chicago one-way?

What are the most popular routes from United Kingdom to Chicago?

What are the most reliable airlines from United Kingdom to Chicago?

What are the cheapest flights from United Kingdom to Chicago?

Can I find deals for flights from United Kingdom to Chicago that include hotel bookings?

How can I find direct flights from United Kingdom to Chicago?

Can I find deals for business class flights from United Kingdom to Chicago?

What is the cheapest month to book a flight from United Kingdom to Chicago?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Chicago

Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 October 2026.

Complete your trip

Complete your trip to Chicago by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Illinois

Book a non-stop flight to one of these other cities located in Illinois.

Search flights from United Kingdom to Chicago by cabin class

Find flights from United Kingdom to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.

United Kingdom and Chicago flights

Browse other United Kingdom and Chicago flight options. Last updated on 24 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

United Kingdom to Chicago flights

Consider these flights travelling from United Kingdom to Chicago.

Top 10 airlines flying from United Kingdom to Chicago

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Chicago?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Chicago?

Can Cheapflights find flights from United Kingdom to Chicago with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to Chicago become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from United Kingdom to Chicago
Explore the most affordable flight options available from United Kingdom to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2026.

Best flights from United Kingdom to Chicago
Discover carefully curated flight deals from United Kingdom to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2026.

Direct flights from United Kingdom to Chicago
Explore direct flight options from United Kingdom to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 October 2026.

Last-minute flights from United Kingdom to Chicago
Discover last-minute flight deals from United Kingdom to Chicago. Data last updated 24 October 2026 and is based on user searches.

One-way flights from United Kingdom to Chicago
Search for one-way flight options from United Kingdom to Chicago. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.