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Cheap flights from London Heathrow Airport to Chicago O'Hare Intl Airport from £382

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
22 Dec — 29 Dec1
1 adult

The best prices from London Heathrow to Chicago O'Hare Intl are usually found in February or January, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Heathrow to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to O'Hare Intl (ORD). 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 17 December 2024.

Round-trip from

£454

One-way from

£382

Popular in

August

Cheapest in

February

Average price

£611
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/2-26/2
  • 4 total stops
  • 54h 50m total
  • London to Chicago
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13/1
  • 13/1
  • 3 total stops
  • 36h 10m total
  • London to Chicago
Search Deals
High demand for flights, 10% 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 Heathrow to O'Hare Intl

Cheapest flights from Heathrow to O'Hare Intl
Explore the most affordable flight options available from Heathrow to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 December 2024.

Wed 25/1206:00LHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Sun 19/120:25ORD - LHR
1 stop34h 15mTAP AIR PORTUGAL
Deal found 16/12£470
Fri 27/1206:40LHR - ORD
1 stop15h 10mScandinavian Airlines
Fri 10/119:10ORD - LHR
1 stop14h 50mScandinavian Airlines
Deal found 16/12£529
Sun 29/1206:30LHR - ORD
1 stop14h 45mUnited Airlines
Tue 21/114:01ORD - LHR
1 stop11h 09mUnited Airlines
Deal found 15/12£551
Tue 31/1207:00LHR - ORD
1 stop13h 30mIberia
Thu 22/520:30ORD - LHR
Nonstop7h 50mIberia
Deal found 15/12£555
Tue 31/1211:55LHR - ORD
Nonstop8h 50mBritish Airways
Thu 22/517:55ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 15/12£558
Tue 31/1209:10LHR - ORD
1 stop13h 59mDelta
Thu 22/513:50ORD - LHR
1 stop10h 55mDelta
Deal found 17/12£561
Tue 31/1214:30LHR - ORD
1 stop13h 43mAir Canada
Sun 19/120:30ORD - LHR
1 stop28h 00mAir Canada
Deal found 15/12£577
Tue 31/1213:10LHR - ORD
1 stop12h 57mAmerican Airlines
Mon 26/520:30ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 17/12£607
Tue 31/1210:25LHR - ORD
Nonstop9h 25mAustrian Airlines
Tue 27/521:25ORD - LHR
Nonstop8h 20mAustrian Airlines
Deal found 17/12£619
Mon 30/1214:30LHR - ORD
1 stop24h 27mMultiple Airlines
Sat 24/521:25ORD - LHR
Nonstop8h 20mMultiple Airlines
Deal found 15/12£625
Mon 30/1210:25LHR - ORD
Nonstop9h 25mLufthansa
Fri 17/121:10ORD - LHR
Nonstop8h 05mLufthansa
Deal found 15/12£663
Tue 24/1214:10LHR - ORD
Nonstop8h 50mFinnair
Tue 31/1209:45ORD - LHR
1 stop14h 30mFinnair
Deal found 16/12£714

Find flights from Heathrow to O'Hare Intl within your budget

Customise your flight search to find flights from Heathrow to O'Hare Intl 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 858,174 searches. Data last updated 17 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 5/2

19:50-17:50

2 stops28h 00m

Chicago O'Hare Intl

Wed 26/2

07:10-16:00

2 stops26h 50m

£454

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 15/1

20:50-15:05

2 stops24h 15m

Chicago O'Hare Intl

Wed 22/1

16:25-22:40

3 stops24h 15m

£462

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 18/1

18:00-08:57

1 stop20h 57m

Chicago O'Hare Intl

Fri 31/1

21:10-11:15

Nonstop8h 05m

£464

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 28/1

11:45-19:20

1 stop13h 35m

Chicago O'Hare Intl

Wed 19/2

14:55-07:50

1 stop10h 55m

£470

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 28/1

12:15-17:20

1 stop11h 05m

Chicago O'Hare Intl

Thu 6/2

18:30-10:50

1 stop10h 20m

£472

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 15/1

06:30-16:41

2 stops16h 11m

Chicago O'Hare Intl

Wed 22/1

15:15-08:25

1 stop11h 10m

£476

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 29/4

10:20-17:25

1 stop13h 05m

Chicago O'Hare Intl

Sun 4/5

22:55-12:45

Nonstop7h 50m

£482

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 18/2

06:50-14:45

2 stops13h 55m

Chicago O'Hare Intl

Tue 4/3

11:35-07:10

1 stop13h 35m

£493

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 19/1

19:25-14:05

1 stop24h 40m

Chicago O'Hare Intl

Tue 28/1

17:50-07:55

Nonstop8h 05m

£498

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 15/1

11:55-14:45

Nonstop8h 50m

Chicago O'Hare Intl

Mon 3/2

18:35-08:15

Nonstop7h 40m

£506

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 26 results
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Best time to book a flight from Heathrow to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl

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

How far ahead should I book a flight from London Heathrow Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to O'Hare Intl. Price data was last updated on 13 December 2024.

The best time to book flights from London Heathrow Airport to Chicago O'Hare Intl Airport is 20 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 Heathrow Airport to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Heathrow Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £775). 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 ORD?

Find hourly flight availability from Heathrow to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 December 2024.

It’s typically best to fly out from London Heathrow Airport to Chicago O'Hare Intl Airport in the afternoon. Doing so could potentially save you 4% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to O'Hare Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport

Explore weekly flight availability from Heathrow to O'Hare Intl. 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 17 December 2024.

The most flights from LHR to ORD are scheduled on a Monday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 17 December 2024.
See what other customers who have flown with Lufthansa, American Airlines and United Airlines from London to Chicago have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

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
8,615 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

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
1,287 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

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
1,607 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

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

Austrian Airlines
7.6
Good
788 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

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

Virgin Atlantic
7.5
Good
667 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

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 Heathrow to O'Hare Intl. 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 O'Hare Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Chicago O'Hare Intl Airport is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as £454 on this airline. Additional options worth looking into are Lufthansa and American Airlines, starting at £464 and £467 round-trip. Users have found that Scandinavian Airlines is 20% cheaper than the other options available to this destination.

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

    £384 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 Icelandair and TAP AIR PORTUGAL, with prices starting from £389 and £391, respectively.

  • What are the most reliable airlines from London Heathrow Airport to Chicago O'Hare Intl Airport?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Chicago O'Hare Intl Airport are SWISS (89%), Air Canada (86%) and Austrian Airlines (86%).

  • What are the cheapest flights from London Heathrow Airport to Chicago O'Hare Intl Airport?

    While on average a flight from London Heathrow Airport to Chicago O'Hare Intl Airport is generally £1,437, our data shows the cheapest flight currently is £488. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £366 for that flight.

  • Can I find deals for flights from Heathrow to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to O'Hare Intl?

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

  • Can I find deals for business class flights from Heathrow to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Heathrow to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Heathrow Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £775). 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 O'Hare Intl on these airlines

Choose from the following airlines for your flight from Heathrow to O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 17 December 2024.
British Airways flights from London Heathrow to Chicago O'Hare Intl
Finnair flights from London Heathrow to Chicago O'Hare Intl
Iberia flights from London Heathrow to Chicago O'Hare Intl

Top 10 airlines flying from Heathrow to O'Hare Intl

Discover the top 10 airlines that operate flights from Heathrow to O'Hare Intl. 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 858,174 searches. Data last updated 17 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£380Average£512FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£386Average£568FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£390Average£538FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£406Average£539FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£427Average£592FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£439Average£584FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£449Average£596FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£468Average£609FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£471Average£641FlexibilityNo cancel feeOn-time77%
Search Iberia flights
American AirlinesCheapest£476Average£645FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to O'Hare Intl?

Deals for Heathrow to O'Hare Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to O'Hare Intl?

Cheapflights helps you find that perfect flight to O'Hare Intl 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 O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl 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 O'Hare Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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