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Cheap flights from London Heathrow Airport to Chicago from £261

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CHI
3 Nov — 10 Nov1
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 Thursday 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 29 October 2024.

Round-trip from

£362

One-way from

£261

Popular in

August

Cheapest in

February
Icelandair
  • Icelandair
  • 24/1-9/2
  • 2 total stops
  • 21h 25m total
  • London to Chicago
Search Deals
9/2
  • 9/2
  • 2 total stops
  • 40h 07m total
  • London to Chicago
Search Deals
High demand for flights, 21% 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 29 October 2024.

Sun 24/1106:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Sun 1/1220:25ORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Deal found 28/10£423
Mon 16/1206:40LHR - ORD
1 stop15h 10mScandinavian Airlines
Thu 9/119:10ORD - LHR
1 stop16h 30mScandinavian Airlines
Deal found 28/10£426
Thu 26/1220:40LHR - ORD
1 stop26h 40mIcelandair
Sat 4/118:30ORD - LHR
1 stop19h 00mIcelandair
Deal found 28/10£433
Sat 2/1108:50LHR - ORD
1 stop15h 05mAer Lingus
Wed 4/1215:55ORD - LHR
1 stop10h 10mAer Lingus
Deal found 28/10£442
Tue 26/1111:45LHR - ORD
1 stop13h 35mFinnair
Mon 9/1218:30ORD - LHR
Nonstop7h 45mFinnair
Deal found 28/10£452
Tue 26/1111:45LHR - ORD
1 stop13h 35mAmerican Airlines
Tue 3/1222:05ORD - LHR
Nonstop7h 35mAmerican Airlines
Deal found 27/10£458
Mon 25/1106:00LHR - ORD
1 stop14h 05mMultiple Airlines
Thu 5/1217:50ORD - LHR
Nonstop8h 05mMultiple Airlines
Deal found 28/10£459
Mon 25/1110:25LHR - ORD
Nonstop9h 25mLufthansa
Thu 5/1217:50ORD - LHR
Nonstop8h 05mLufthansa
Deal found 28/10£468
Wed 4/1206:00LHR - ORD
1 stop14h 05mAustrian Airlines
Sun 8/1217:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 28/10£487
Tue 26/1106:20LHR - MDW
2 stops18h 12mVirgin Atlantic
Tue 3/1212:43MDW - LHR
1 stop16h 57mVirgin Atlantic
Deal found 27/10£487
Tue 26/1111:10LHR - ORD
1 stop13h 15mUnited Airlines
Mon 9/1221:10ORD - LHR
Nonstop8h 05mUnited Airlines
Deal found 27/10£489
Wed 27/1106:50LHR - ORD
2 stops13h 55mAir Canada
Wed 4/1211:35ORD - LHR
1 stop13h 35mAir Canada
Deal found 28/10£490

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 1,021,687 searches. Data last updated 29 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£362 - £497

Route

Depart

Return

Price

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Fri 24/1

1 stop11h 05m

Chicago O'Hare Intl

Sun 9/2

1 stop10h 20m

£362

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Thu 5/12

1 stop27h 00m

Chicago O'Hare Intl

Sun 8/12

1 stop19h 10m

£372

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Fri 10/1

1 stop15h 10m

Chicago O'Hare Intl

Fri 24/1

1 stop14h 50m

£388

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Tue 3/12

2 stops34h 35m

Chicago O'Hare Intl

Sun 8/12

2 stops21h 40m

£403

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Tue 3/12

1 stop27h 55m

Chicago O'Hare Intl

Tue 17/12

1 stop17h 35m

£449

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Thu 14/11

1 stop11h 10m

Chicago O'Hare Intl

Mon 9/12

1 stop10h 10m

£454

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Mon 25/11

Nonstop9h 25m

Chicago O'Hare Intl

Thu 5/12

Nonstop8h 05m

£468

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Mon 25/11

Nonstop8h 50m

Chicago O'Hare Intl

Mon 2/12

Nonstop7h 35m

£485

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Mon 25/11

1 stop14h 05m

Chicago O'Hare Intl

Mon 9/12

Nonstop8h 05m

£486

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Wed 27/11

2 stops13h 55m

Chicago O'Hare Intl

Wed 4/12

1 stop13h 35m

£490

London HeathrowChicago Midway

LHR - MDW

LHRMDW

London Heathrow

Tue 26/11

1 stop13h 04m

Chicago Midway

Mon 9/12

1 stop11h 20m

£496

London HeathrowChicago O'Hare Intl

LHR - ORD

LHRORD

London Heathrow

Sat 1/2

1 stop13h 35m

Chicago O'Hare Intl

Mon 3/2

Nonstop7h 40m

£497

Flights are sorted by cheapest first

Deals found on 28/10

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 25 October 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.

Find deals

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 £601). 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 29 October 2024.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Chicago in the morning. If you’re flexible enough to do this you can expect to save up to 7% 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 27 October 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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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 29 October 2024.
Peruse reviews from past customers who have flown with British Airways, Delta and Scandinavian Airlines 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
8,849 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very Good
8,849 reviews
Delta
8.0
Very Good
8,849 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,351 reviews
Delta
8.0
Very Good
8,849 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Finnair
7.7
Good
1,319 reviews
Delta
8.0
Very Good
8,849 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Austrian Airlines
7.7
Good
833 reviews
Delta
8.0
Very Good
8,849 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Virgin Atlantic
7.6
Good
667 reviews
Delta
8.0
Very Good
8,849 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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 £362, Icelandair will fly you from London Heathrow Airport to Chicago and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from TAP AIR PORTUGAL and Scandinavian Airlines - these airlines can fly you to your destination from £372 and £388, respectively. These flights start at 31% 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 £352. TAP AIR PORTUGAL flights start at £381 while deals on Aer Lingus start at £392 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 (97%), SWISS (82%), Air Canada( 81%).

  • 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 £1,304, our data indicates the cheapest price to be £450. The most popular route (London Heathrow - Chicago O'Hare Intl), is priced around £364.

  • 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 £601). 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

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.

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 29 October 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 1,021,687 searches. Data last updated 29 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£366Average£486FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£375Average£493FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£377Average£536FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£381Average£529FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Brussels AirlinesCheapest£406Average£527FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
British AirwaysCheapest£413Average£557FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£417Average£485FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£425Average£537FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£427Average£727FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£439Average£600FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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