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Cheap flights from London Heathrow Airport to Chicago from £419

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CHI
26 Nov — 3 Dec1
1 adult

The best prices from London Heathrow to Chicago are usually found in February or January, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 21 November 2024.

Round-trip from

£444

One-way from

£419

Popular in

August

Cheapest in

February
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/1-27/1
  • 3 total stops
  • 31h 00m total
  • London to Chicago
Search Deals
19/2
  • 19/2
  • 3 total stops
  • 22h 22m total
  • London to Chicago
Search Deals
High demand for flights, 20% potential price rise
Search Deals
Best time to find cheap flights, 16% potential price drop
Search Deals

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 21 November 2024.

Thu 5/1208:50LHR - ORD
1 stop11h 10mAer Lingus
Sun 15/1215:55ORD - LHR
1 stop10h 10mAer Lingus
Deal found 20/11£453
Wed 11/1206:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Wed 15/119:15ORD - LHR
1 stop21h 25mTAP AIR PORTUGAL
Deal found 20/11£463
Sat 7/1206:40LHR - ORD
2 stops21h 03mScandinavian Airlines
Sat 14/1219:10ORD - LHR
1 stop14h 50mScandinavian Airlines
Deal found 20/11£473
Wed 11/1220:40LHR - ORD
1 stop26h 40mIcelandair
Tue 17/1218:30ORD - LHR
1 stop19h 00mIcelandair
Deal found 20/11£476
Mon 30/1209:30LHR - ORD
1 stop16h 14mAmerican Airlines
Wed 29/115:00ORD - LHR
1 stop13h 15mAmerican Airlines
Deal found 20/11£480
Tue 26/1106:50LHR - ORD
1 stop11h 25mLufthansa
Sat 30/1120:25ORD - LHR
1 stop28h 05mLufthansa
Deal found 20/11£483
Tue 3/1209:55LHR - ORD
2 stops34h 10mMultiple Airlines
Tue 10/1215:35ORD - LHR
2 stops22h 30mMultiple Airlines
Deal found 19/11£484
Wed 11/1208:40LHR - MDW
2 stops15h 52mDelta
Wed 15/110:57MDW - LHR
1 stop13h 23mDelta
Deal found 20/11£485
Sat 23/1114:30LHR - ORD
1 stop26h 24mUnited Airlines
Mon 25/1110:51ORD - LHR
1 stop13h 29mUnited Airlines
Deal found 19/11£494
Thu 5/1212:00LHR - ORD
2 stops32h 30mFinnair
Thu 12/1213:15ORD - LHR
1 stop13h 00mFinnair
Deal found 20/11£508
Wed 11/1206:30LHR - ORD
2 stops16h 36mDelta
Wed 18/1211:59ORD - LHR
1 stop12h 21mDelta
Deal found 20/11£513
Tue 3/1219:25LHR - ORD
1 stop24h 40mAustrian Airlines
Tue 10/1221:10ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 19/11£529

Find flights from Heathrow to Chicago within your budget

Customise 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 939,815 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 5/12

18:30-15:30

1 stop27h 00m

Chicago O'Hare Intl

Sun 8/12

20:25-17:30

1 stop15h 05m

£444

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 13/1

06:40-15:50

1 stop15h 10m

Chicago O'Hare Intl

Mon 27/1

19:10-17:00

2 stops15h 50m

£446

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 18/3

07:00-15:30

1 stop13h 30m

Chicago O'Hare Intl

Mon 24/3

16:50-10:15

1 stop12h 25m

£448

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 5/12

07:50-14:00

1 stop12h 10m

Chicago O'Hare Intl

Tue 10/12

15:55-08:05

1 stop10h 10m

£453

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 17/2

06:30-18:14

2 stops17h 44m

Chicago Midway

Thu 27/2

14:08-06:50

1 stop10h 42m

£453

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 13/1

06:20-17:20

2 stops17h 00m

Chicago O'Hare Intl

Mon 27/1

18:30-18:20

2 stops17h 50m

£462

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 11/12

20:40-17:20

1 stop26h 40m

Chicago O'Hare Intl

Tue 17/12

18:30-19:30

1 stop19h 00m

£476

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 30/12

09:30-19:44

1 stop16h 14m

Chicago O'Hare Intl

Wed 29/1

15:00-10:15

1 stop13h 15m

£480

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 16/2

06:30-16:13

2 stops15h 43m

Chicago O'Hare Intl

Wed 26/2

14:03-06:25

1 stop10h 22m

£483

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 1/3

10:25-13:50

Nonstop9h 25m

Chicago O'Hare Intl

Sat 15/3

20:30-11:50

1 stop10h 20m

£490

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 38 results
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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 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.

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 return flight from Heathrow to Chicago. Price data was last updated on 15 November 2024.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago (average of £598). Flying from London Heathrow Airport to Chicago in July is currently the most expensive (average of £774). 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 21 November 2024.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Chicago in the afternoon. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight in the evening.

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

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

Travellers seeking maximum savings on their London Heathrow Airport to Chicago flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings 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 21 November 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 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.

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 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).

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 21 November 2024.
Peruse reviews from past customers who have flown with Delta, Scandinavian Airlines and Finnair from London to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,756 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 £444, Scandinavian Airlines will fly you from London Heathrow Airport to Chicago and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and Aer Lingus - these airlines can fly you to your destination from £450 and £453, respectively. These flights start at 19% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £420. TAP AIR PORTUGAL flights start at £428 while deals on Aer Lingus start at £432 one-way.

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

    Before booking your flight to Chicago from London Heathrow Airport, 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 Heathrow Airport to Chicago?

    Looking for the cheapest flight from London Heathrow Airport to Chicago? While on average our users pay £1,407, our data indicates the cheapest price to be £512. The most popular route (London Heathrow - Chicago O'Hare Intl), is priced around £369.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago (average of £598). Flying from London Heathrow Airport to Chicago in July is currently the most expensive (average of £774). 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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Fly from Heathrow to Chicago on these airlines

Choose from the following airlines for your flight from Heathrow to Chicago. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2024.
British Airways flights from London Heathrow to Chicago
Finnair flights from London Heathrow to Chicago
Lufthansa flights from London Heathrow to Chicago

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 939,815 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£375Average£509FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£386Average£554FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£389Average£532FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£396Average£565FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£426Average£585FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£429Average£572FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£437Average£744FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£449Average£618FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£450Average£595FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Austrian AirlinesCheapest£455Average£599FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Chicago?

Cheapflights makes it easy to find Heathrow to Chicago flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Chicago from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Chicago from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Heathrow 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.

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