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$531+ Cheap flights from Heathrow (LHR) 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CHI
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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The best prices from London Heathrow to Chicago are usually found in February or January, booked 69 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Heathrow to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 noviembre 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

February

Round-trip from

$563
(Voliamo)

One-way from

$532
(Voliamo)
Provider with most accurate pricing for London Heathrow-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Chicago (CHI) flights.
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 16% potential price drop
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From London Heathrow to Chicago (CHI)
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One-way flight from London Heathrow to Chicago (CHI)
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Find flight deals from Heathrow to Chicago

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

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.
jue. 12/56:30 pmLHR - ORD
1 stop27h 00mTAP AIR PORTUGAL
dom. 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.
lun. 12/166:40 amLHR - ORD
1 stop15h 10mScandinavian Airlines
jue. 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.
jue. 12/57:50 amLHR - ORD
1 stop12h 10mAer Lingus
mar. 12/103:55 pmORD - LHR
1 stop10h 10mAer Lingus
Deal found 11/19$574
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.
mié. 12/118:40 pmLHR - ORD
1 stop26h 40mIcelandair
mar. 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.
mié. 11/276:50 amLHR - ORD
1 stop11h 25mLufthansa
sáb. 11/304:00 pmORD - LHR
1 stop32h 30mLufthansa
Deal found 11/19$605
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.
mar. 12/39:55 amLHR - ORD
2 stops34h 10mMultiple Airlines
mar. 12/103:35 pmORD - LHR
2 stops22h 30mMultiple 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.
mié. 12/46:30 amLHR - MDW
2 stops16h 32mDelta
mar. 12/1012:44 pmMDW - LHR
1 stop11h 36mDelta
Deal found 11/19$613
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/232:30 pmLHR - ORD
1 stop26h 24mUnited Airlines
lun. 11/2510:51 amORD - LHR
1 stop13h 29mUnited Airlines
Deal found 11/19$626
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/252:10 pmLHR - ORD
Nonstop8h 50mFinnair
jue. 1/163:00 pmORD - LHR
1 stop13h 15mFinnair
Deal found 11/20$643
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/116:30 amLHR - ORD
2 stops16h 36mDelta
mié. 12/1811:59 amORD - LHR
1 stop12h 21mDelta
Deal found 11/20$650
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/57:25 pmLHR - ORD
1 stop24h 40mAustrian Airlines
jue. 12/125:50 pmORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 11/19$666
This Air Canada deal was found by Cheapflights users on 11/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/26:00 pmLHR - ORD
1 stop20h 57mAir Canada
lun. 12/99:50 amORD - LHR
2 stops15h 20mAir Canada
Deal found 11/18$695

Find flights from Heathrow to Chicago within your budget

Customize your flight search to find flights from Heathrow 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 noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

jue. 12/5

6:30 pm-3:30 pm

1 stop27h 00m

Chicago O'Hare Intl

dom. 12/8

8:25 pm-5:30 pm

1 stop15h 05m

$563

LondonChicago

LHR - ORD

LHRORD

London Heathrow

lun. 1/13

6:40 am-3:50 pm

1 stop15h 10m

Chicago O'Hare Intl

lun. 1/27

7:10 pm-5:00 pm

2 stops15h 50m

$565

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mar. 3/18

7:00 am-3:30 pm

1 stop13h 30m

Chicago O'Hare Intl

lun. 3/24

4:50 pm-10:15 am

1 stop12h 25m

$567

LondonChicago

LHR - ORD

LHRORD

London Heathrow

jue. 12/5

7:50 am-2:00 pm

1 stop12h 10m

Chicago O'Hare Intl

mar. 12/10

3:55 pm-8:05 am

1 stop10h 10m

$574

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

lun. 2/17

6:30 am-6:14 pm

2 stops17h 44m

Chicago Midway

jue. 2/27

2:08 pm-6:50 am

1 stop10h 42m

$574

LondonChicago

LHR - ORD

LHRORD

London Heathrow

lun. 1/13

6:20 am-5:20 pm

2 stops17h 00m

Chicago O'Hare Intl

lun. 1/27

6:30 pm-6:20 pm

2 stops17h 50m

$585

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mié. 12/11

8:40 pm-5:20 pm

1 stop26h 40m

Chicago O'Hare Intl

mar. 12/17

6:30 pm-7:30 pm

1 stop19h 00m

$603

LondonChicago

LHR - ORD

LHRORD

London Heathrow

lun. 2/3

11:45 am-7:20 pm

1 stop13h 35m

Chicago O'Hare Intl

lun. 3/10

7:40 pm-8:15 am

Nonstop7h 35m

$611

LondonChicago

LHR - ORD

LHRORD

London Heathrow

dom. 2/16

6:30 am-4:13 pm

2 stops15h 43m

Chicago O'Hare Intl

mié. 2/26

2:03 pm-6:25 am

1 stop10h 22m

$612

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sáb. 3/1

10:25 am-1:50 pm

Nonstop9h 25m

Chicago O'Hare Intl

sáb. 3/15

8:30 pm-11:50 am

1 stop10h 20m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 37 results
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Compare providers for flights from Heathrow 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 Heathrow to Chicago in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
CombigoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 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 Heathrow Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-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 Heathrow Airport-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 Heathrow to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Heathrow 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 Heathrow to Chicago

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

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

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

The price you pay for your flight from London Heathrow Airport to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago (average of $232). Flying from London Heathrow Airport 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 LHR to CHI?

Find hourly flight availability from Heathrow 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 noviembre 20, 2024.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Chicago in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the afternoon.

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

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

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

Weekly flight availability from London Heathrow Airport to Chicago

Explore weekly flight availability from Heathrow 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 noviembre 20, 2024.

The most flights from LHR 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 noviembre 20, 2024.
Read reviews from past customers who have flown Finnair, Aer Lingus and Delta 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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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 Heathrow 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 Heathrow Airport to Chicago round-trip?

    Currently priced at $563, TAP AIR PORTUGAL will fly you from London Heathrow Airport 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 Finnair - these airlines can fly you to your destination from $565 and $567, respectively. TAP AIR PORTUGAL is currently priced 19% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $532. Users have also found prices from $542 and $547 on TAP AIR PORTUGAL and Aer Lingus, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Chicago on time: Malaysia Airlines (89%), Air Canada (84%), Austrian Airlines (84%).

  • What are the cheapest flights from London Heathrow Airport to Chicago?

    On average you can expect to pay $1,396 for a flight from London Heathrow Airport to Chicago. The cheapest flight overall is $623 while the most popular route, (London Heathrow - Chicago O'Hare Intl) is currently priced at $468.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Chicago?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago (average of $232). Flying from London Heathrow Airport 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.

Top 10 airlines flying from Heathrow to Chicago

Discover the top 10 airlines that operate flights from Heathrow 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 noviembre 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%
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