HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$531+ Cheap flights from London (LON) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CHI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to Chicago with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from London to Chicago are usually found in February or January, booked 78 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from London to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

February

Round-trip from

$563
(Mytrip)

One-way from

$531
(Gotogate)
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
Search Deals
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 19% potential price drop
Search Deals
From London (LON) to Chicago (CHI)
Search Deals
One-way flight from London (LON) to Chicago (CHI)
Search Deals

Find flight deals from London to Chicago

Cheapest flights from London to Chicago
Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/53:55 pmLGW - ORD
1 stop29h 35mTAP AIR PORTUGAL
Sun 12/88:25 pmORD - LGW
1 stop13h 20mTAP AIR PORTUGAL
Deal found 11/20$563
This Voliamo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Voliamo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:30 pmLHR - ORD
1 stop27h 00mTAP AIR PORTUGAL
Sun 12/88:25 pmORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Deal found 11/19$563
This Scandinavian Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:40 amLHR - ORD
1 stop15h 10mScandinavian Airlines
Thu 1/97:10 pmORD - LHR
2 stops17h 40mScandinavian Airlines
Deal found 11/19$568
This Gotogate deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:55 amLGW - ORD
1 stop11h 25mIcelandair
Sun 12/86:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 11/19$573
This Gotogate deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:50 amLHR - ORD
1 stop12h 10mAer Lingus
Tue 12/103:55 pmORD - LHR
1 stop10h 10mAer Lingus
Deal found 11/19$574
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:50 pmLGW - ORD
2 stops27h 05mMultiple Airlines
Sun 12/83:55 pmORD - LGW
2 stops22h 25mMultiple Airlines
Deal found 11/19$592
This Gotogate deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/118:40 pmLHR - ORD
1 stop26h 40mIcelandair
Tue 12/176:30 pmORD - LHR
1 stop19h 00mIcelandair
Deal found 11/20$603
This The Travel House deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:50 amLHR - ORD
1 stop11h 25mLufthansa
Sat 11/304:00 pmORD - LHR
1 stop32h 30mLufthansa
Deal found 11/19$605
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:30 amSTN - ORD
1 stop13h 30mMultiple Airlines
Tue 12/107:40 pmORD - STN
1 stop11h 45mMultiple Airlines
Deal found 11/19$610
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/39:55 amLHR - ORD
2 stops34h 10mMultiple Airlines
Tue 12/103:35 pmORD - LHR
2 stops22h 30mMultiple Airlines
Deal found 11/19$613
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:50 amLTN - ORD
1 stop13h 10mMultiple Airlines
Tue 12/103:55 pmORD - LTN
1 stop11h 50mMultiple Airlines
Deal found 11/19$613
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:30 amLHR - MDW
2 stops16h 32mDelta
Tue 12/1012:44 pmMDW - LHR
1 stop11h 36mDelta
Deal found 11/19$613

Find flights from London to Chicago within your budget

Customize your flight search to find flights from London to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 12/5

3:55 pm-3:30 pm

1 stop29h 35m

Chicago O'Hare Intl

Sun 12/8

8:25 pm-3:45 pm

1 stop13h 20m

$563

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 12/5

6:30 pm-3:30 pm

1 stop27h 00m

Chicago O'Hare Intl

Sun 12/8

8:25 pm-5:30 pm

1 stop15h 05m

$563

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 1/13

6:40 am-3:50 pm

1 stop15h 10m

Chicago O'Hare Intl

Mon 1/27

7:10 pm-5:00 pm

2 stops15h 50m

$565

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 2/7

11:55 am-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Thu 4/24

7:30 pm-2:40 pm

1 stop13h 10m

$566

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 3/18

7:00 am-3:30 pm

1 stop13h 30m

Chicago O'Hare Intl

Mon 3/24

4:50 pm-10:15 am

1 stop12h 25m

$567

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 1/16

7:05 am-5:20 pm

2 stops16h 15m

Chicago O'Hare Intl

Wed 1/22

6:30 pm-9:40 pm

2 stops21h 10m

$569

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 12/5

7:50 am-2:00 pm

1 stop12h 10m

Chicago O'Hare Intl

Tue 12/10

3:55 pm-8:05 am

1 stop10h 10m

$574

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 2/17

6:30 am-6:14 pm

2 stops17h 44m

Chicago Midway

Thu 2/27

2:08 pm-6:50 am

1 stop10h 42m

$574

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 1/16

2:00 pm-12:39 pm

2 stops28h 39m

Chicago O'Hare Intl

Wed 1/22

7:00 am-6:00 am

1 stop17h 00m

$576

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 1/13

6:20 am-5:20 pm

2 stops17h 00m

Chicago O'Hare Intl

Mon 1/27

6:30 pm-6:20 pm

2 stops17h 50m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 60 results
1
2
3
...
6

Compare providers for flights from London to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Chicago in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from London with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from London to Chicago

Get recent, data-driven insights about flights from London to Chicago including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from London to Chicago. Price data was last updated on November 15, 2024.

The best time to book flights from London to Chicago is 78 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.

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

Currently, September is the cheapest month in which you can book a flight from London to Chicago (average of $232). Flying from London to Chicago in June is currently the most expensive (average of $308). 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 LON to CHI?

Find hourly flight availability from London 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 November 20, 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from London to Chicago by exploring options for tickets in the evening.

What is the cheapest day to fly from London to Chicago?

Use this chart to determine the cheapest time to fly round-trip from London to Chicago. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their London to Chicago flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Chicago

Explore weekly flight availability from London to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 20, 2024.

The most flights from LON to CHI are scheduled on a Monday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown Finnair, Aer Lingus and Virgin Atlantic from London to Chicago. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT
7.6
Good
1,165 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from London to Chicago round-trip?

    Currently priced at $563, TAP AIR PORTUGAL will fly you from London to Chicago and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Icelandair - these airlines can fly you to your destination from $565 and $566, respectively. TAP AIR PORTUGAL is currently priced 18% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London to Chicago one-way?

    $531 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and TAP AIR PORTUGAL, with prices starting from $531 and $542, respectively.

  • What are the most popular routes from London to Chicago?

    While some choose either London Heathrow - Chicago Midway or London Gatwick - Chicago O'Hare Intl, London Heathrow - Chicago O'Hare Intl is the most popular route from London to Chicago.

  • What are the most reliable airlines from London to Chicago?

    Before booking your flight to Chicago from London, check out the most reliable airlines to get you to your destination on time: Malaysia Airlines (89%), Air Canada (84%), Austrian Airlines( 84%).

  • What are the cheapest flights from London to Chicago?

    While on average a flight from London to Chicago is generally $1,396, our data shows the cheapest flight currently is $623. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay $482 for that flight.

  • Can I find deals for flights from London to Chicago that include hotel bookings?

    Yes. In addition to deals on London to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Chicago?

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

  • Can I find deals for business class flights from London to Chicago?

    Yes. Cheapflights offers flight deals from London 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 London to Chicago?

    Currently, September is the cheapest month in which you can book a flight from London to Chicago (average of $232). Flying from London to Chicago in June is currently the most expensive (average of $308). 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

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

Alternative routes for London to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to O'Hare Intl flights
Heathrow to Midway flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Stansted to O'Hare Intl flights
Luton to O'Hare Intl flights
Heathrow to St. Louis flights
Manchester to O'Hare Intl flights
Edinburgh to O'Hare Intl flights
Gatwick to St. Louis flights
Newcastle upon Tyne to O'Hare Intl flights
Liverpool to O'Hare Intl flights
Bristol to O'Hare Intl flights
Birmingham to O'Hare Intl flights
Leeds to O'Hare Intl flights
Birmingham to Midway flights
Manchester to St. Louis flights
Exeter to O'Hare Intl flights
Southampton to O'Hare Intl flights
Edinburgh to St. Louis flights
Heathrow to Evansville flights
Birmingham to St. Louis flights
Norwich to O'Hare Intl flights
Newcastle upon Tyne to St. Louis flights
Leeds to St. Louis flights
Gatwick to Evansville flights

Top 10 airlines flying from London to Chicago

Discover the top 10 airlines that operate flights from London to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$449Average$601FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$483Average$729FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$501Average$676FlexibilityNo cancel feeOn-time76%
FinnairCheapest$535Average$662FlexibilityNo cancel feeOn-time76%
IberiaCheapest$555Average$770FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$556Average$778FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$557Average$1,010FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$561Average$796FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$578Average$733FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$646Average$1,058FlexibilityNo cancel feeOn-time76%
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.
View all available airlines