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$480+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CHI
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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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 diciembre 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$580
(SmartFares)

One-way from

$480
(easyJet worldwide)

Popular in

August

Cheapest in

February

Average price

$744
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
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From London (LON) to Chicago (CHI)
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One-way flight from London (LON) to Chicago (CHI)
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High demand for flights, 12% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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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 diciembre 18, 2024.

This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/296:40 pmLHR - ORD
1 stop27h 10mScandinavian Airlines
dom. 1/197:10 pmORD - LHR
1 stop20h 30mScandinavian Airlines
Deal found 12/17$637
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/256:00 amLHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
mié. 1/87:15 pmORD - LHR
1 stop14h 15mTAP AIR PORTUGAL
Deal found 12/17$668
This Delta deal was found by Cheapflights users on 12/17. 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.
mar. 12/319:10 amLHR - ORD
1 stop13h 59mDelta
jue. 5/221:50 pmORD - LHR
1 stop10h 55mDelta
Deal found 12/17$710
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/311:10 pmLHR - ORD
1 stop12h 57mAmerican Airlines
vie. 5/2310:55 pmORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 12/17$748
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/312:30 pmLHR - ORD
1 stop13h 43mUnited Airlines
mar. 5/279:25 pmORD - LHR
Nonstop8h 20mUnited Airlines
Deal found 12/17$753
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/311:10 pmLHR - ORD
1 stop12h 52mBritish Airways
jue. 5/225:00 pmORD - LHR
Nonstop7h 55mBritish Airways
Deal found 12/17$773
This Austrian Airlines deal was found by Cheapflights users on 12/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3110:25 amLHR - ORD
Nonstop9h 25mAustrian Airlines
mar. 5/279:25 pmORD - LHR
Nonstop8h 20mAustrian Airlines
Deal found 12/17$783
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/244:35 pmLGW - ORD
1 stop28h 55mTAP AIR PORTUGAL
mié. 1/17:15 pmORD - LGW
1 stop13h 50mTAP AIR PORTUGAL
Deal found 12/17$793
This Delta deal was found by Cheapflights users on 12/17. 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.
mar. 12/319:10 amLHR - MDW
1 stop14h 01mDelta
dom. 5/251:00 pmMDW - LHR
1 stop13h 55mDelta
Deal found 12/17$806
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/316:15 pmLCY - ORD
1 stop22h 50mMultiple Airlines
mar. 1/77:05 pmORD - LCY
1 stop11h 45mMultiple Airlines
Deal found 12/17$850
This The Travel House deal was found by Cheapflights users on 12/17. 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.
mar. 12/243:45 pmLHR - ORD
Nonstop9h 00mFinnair
mié. 1/89:49 amORD - LHR
1 stop14h 06mFinnair
Deal found 12/17$855
This Mytrip deal was found by Cheapflights users on 12/17. 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.
mié. 12/256:40 amLHR - ORD
2 stops17h 45mMultiple Airlines
mié. 1/87:05 pmORD - LHR
3 stops20h 35mMultiple Airlines
Deal found 12/17$889

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 2,558,603 searches. Data last updated diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

jue. 1/16

1:55 pm-3:50 pm

2 stops31h 55m

Chicago O'Hare Intl

vie. 1/31

7:40 pm-6:30 pm

2 stops16h 50m

$580

LondonChicago

LTN - ORD

LTNORD

London Luton

sáb. 2/1

6:00 am-5:20 pm

2 stops17h 20m

Chicago O'Hare Intl

sáb. 2/8

6:30 pm-8:55 pm

2 stops20h 25m

$581

LondonChicago

LGW - ORD

LGWORD

London Gatwick

jue. 1/16

6:50 am-10:54 am

2 stops34h 04m

Chicago O'Hare Intl

jue. 1/30

7:05 pm-10:00 pm

2 stops20h 55m

$582

LondonChicago

STN - ORD

STNORD

London Stansted

mar. 1/14

8:25 pm-3:30 pm

2 stops25h 05m

Chicago O'Hare Intl

dom. 1/19

8:25 pm-7:40 pm

2 stops17h 15m

$583

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sáb. 2/15

6:00 pm-1:11 pm

1 stop25h 11m

Chicago O'Hare Intl

sáb. 2/22

5:50 pm-7:55 am

Nonstop8h 05m

$585

LondonChicago

LGW - ORD

LGWORD

London Gatwick

mié. 4/23

3:40 pm-9:15 pm

1 stop11h 35m

Chicago O'Hare Intl

mié. 4/30

7:30 pm-2:40 pm

1 stop13h 10m

$586

LondonChicago

LCY - MDW

LCYMDW

London City

mar. 2/11

10:00 am-6:11 pm

2 stops14h 11m

Chicago Midway

jue. 2/20

9:33 am-8:10 am

2 stops16h 37m

$588

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mié. 1/15

9:55 am-3:05 pm

2 stops35h 10m

Chicago O'Hare Intl

mié. 1/22

4:25 pm-8:05 pm

2 stops21h 40m

$588

LondonChicago

LHR - ORD

LHRORD

London Heathrow

jue. 1/16

12:15 pm-5:20 pm

1 stop11h 05m

Chicago O'Hare Intl

mié. 1/29

6:30 pm-7:30 pm

1 stop19h 00m

$594

LondonChicago

LGW - ORD

LGWORD

London Gatwick

mar. 1/14

9:20 pm-3:30 pm

2 stops24h 10m

Chicago O'Hare Intl

mié. 1/29

7:15 pm-3:05 pm

1 stop13h 50m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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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 December.
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*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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 December 13, 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 diciembre 18, 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 17% 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 December 16, 2024.

Travelers seeking maximum savings on their London to Chicago flight should consider departing on Tuesday 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 diciembre 18, 2024.

The most flights from LON to CHI are scheduled on a Monday (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 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 diciembre 18, 2024.
Read reviews from past customers who have flown Lufthansa, TAP AIR PORTUGAL and British Airways 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
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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
1,133 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

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 $580, Scandinavian Airlines will fly you from London to Chicago and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Icelandair - these airlines can fly you to your destination from $585 and $586, respectively. Scandinavian Airlines is currently priced 17% below the average price you’ll pay for this route.

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

    $490 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on TAP AIR PORTUGAL and Icelandair, with prices starting from $498 and $506, respectively.

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

    While some choose either London Gatwick - Chicago O'Hare Intl or London City - 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: SWISS (89%), Air Canada (86%), Austrian Airlines( 86%).

  • What are the cheapest flights from London to Chicago?

    While on average a flight from London to Chicago is generally $1,532, 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 $483 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

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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
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Heathrow to Midway flights
Stansted 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
Gatwick to St. Louis flights
Birmingham to O'Hare Intl flights
Bristol to O'Hare Intl flights
Birmingham to Midway flights
Manchester to St. Louis flights
Southampton to O'Hare Intl flights
Edinburgh to St. Louis flights
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Exeter to O'Hare Intl flights
Heathrow to Evansville flights
Leeds to St. Louis flights
Newcastle upon Tyne to St. Louis flights
Birmingham to St. Louis flights
Norwich to O'Hare Intl flights
Liverpool to St. Louis 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 2,558,603 searches. Data last updated diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$462Average$645FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$483Average$729FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$501Average$672FlexibilityNo cancel feeOn-time76%
FinnairCheapest$535Average$809FlexibilityNo cancel feeOn-time76%
IberiaCheapest$555Average$775FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$556Average$773FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$558Average$798FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$579Average$734FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$584Average$1,162FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$646Average$1,069FlexibilityNo cancel feeOn-time76%
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