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Cheap flights from London Heathrow Airport to Chicago O'Hare Intl Airport from £424

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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
20 Nov — 27 Nov1
1 adult

The best prices from London Heathrow to Chicago O'Hare Intl are usually found in February or January, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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 15 November 2024.

Round-trip from

£447

One-way from

£424

Popular in

August

Cheapest in

February
Icelandair
  • Icelandair
  • 23/4-10/5
  • 2 total stops
  • 60h 26m total
  • London to Chicago
Search Deals
24/11
  • 24/11
  • 2 total stops
  • 26h 55m total
  • London to Chicago
Search Deals
High demand for flights, 19% potential price rise
Search Deals
Best time to find cheap flights, 14% potential price drop
Search Deals

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 15 November 2024.

Wed 4/1208:50LHR - ORD
1 stop15h 05mAer Lingus
Wed 11/1219:40ORD - LHR
1 stop11h 45mAer Lingus
Deal found 14/11£448
Thu 5/1216:30LHR - ORD
1 stop29h 00mTAP AIR PORTUGAL
Fri 6/1220:20ORD - LHR
1 stop16h 35mTAP AIR PORTUGAL
Deal found 14/11£450
Fri 6/1215:35LHR - ORD
2 stops30h 15mScandinavian Airlines
Sun 8/1219:10ORD - LHR
2 stops17h 40mScandinavian Airlines
Deal found 15/11£451
Thu 5/1209:55LHR - ORD
2 stops35h 35mMultiple Airlines
Sun 8/1220:25ORD - LHR
3 stops29h 15mMultiple Airlines
Deal found 14/11£469
Wed 27/1112:15LHR - ORD
1 stop11h 05mIcelandair
Tue 10/1218:30ORD - LHR
1 stop19h 00mIcelandair
Deal found 14/11£476
Mon 2/1216:30LHR - ORD
1 stop27h 55mFinnair
Mon 9/1222:00ORD - LHR
Nonstop7h 40mFinnair
Deal found 15/11£493
Wed 11/1211:45LHR - ORD
1 stop13h 35mAmerican Airlines
Wed 18/1217:00ORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 13/11£496
Tue 31/1208:30LHR - ORD
1 stop12h 45mLufthansa
Wed 8/117:50ORD - LHR
1 stop33h 50mLufthansa
Deal found 15/11£504
Thu 28/1116:20LHR - ORD
1 stop35h 07mUnited Airlines
Sat 30/1120:25ORD - LHR
1 stop28h 05mUnited Airlines
Deal found 15/11£526
Mon 9/1206:00LHR - ORD
1 stop14h 05mAustrian Airlines
Sun 15/1217:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 13/11£528
Wed 25/1211:55LHR - ORD
Nonstop8h 50mBritish Airways
Thu 9/118:35ORD - LHR
Nonstop7h 40mBritish Airways
Deal found 15/11£546
Mon 2/1218:00LHR - ORD
1 stop20h 57mAir Canada
Mon 9/1209:50ORD - LHR
2 stops15h 20mAir Canada
Deal found 15/11£548

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 943,810 searches. Data last updated 15 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 23/4

11:55-10:16

1 stop28h 21m

Chicago O'Hare Intl

Sat 10/5

19:25-09:30

1 stop32h 05m

£447

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/12

08:50-17:55

1 stop15h 05m

Chicago O'Hare Intl

Wed 11/12

19:40-13:25

1 stop11h 45m

£448

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 10/3

06:40-16:50

1 stop15h 10m

Chicago O'Hare Intl

Sun 16/3

20:10-16:00

1 stop14h 50m

£449

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 27/11

06:00-15:30

1 stop15h 30m

Chicago O'Hare Intl

Fri 6/12

20:20-18:55

1 stop16h 35m

£468

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 4/3

14:10-16:50

Nonstop8h 40m

Chicago O'Hare Intl

Thu 20/3

09:55-05:55

1 stop15h 00m

£468

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 5/12

09:55-15:30

2 stops35h 35m

Chicago O'Hare Intl

Sun 8/12

20:25-07:40

3 stops29h 15m

£469

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 26/4

15:50-09:01

1 stop23h 11m

Chicago O'Hare Intl

Sat 3/5

13:45-06:45

1 stop11h 00m

£483

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 11/12

11:45-19:20

1 stop13h 35m

Chicago O'Hare Intl

Wed 18/12

17:00-06:50

Nonstop7h 50m

£496

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 5/2

06:15-14:30

1 stop14h 15m

Chicago O'Hare Intl

Tue 18/2

19:50-09:20

Nonstop7h 30m

£502

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 4/3

08:55-16:15

1 stop13h 20m

Chicago O'Hare Intl

Tue 18/3

18:50-07:55

Nonstop8h 05m

£502

Flights are sorted by cheapest first

Deals found on 14/11

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 8 November 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 £598). Flying from London Heathrow Airport to Chicago O'Hare Intl Airport 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 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 15 November 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 10 November 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Chicago O'Hare Intl Airport flight should consider departing on Monday evenings 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 15 November 2024.

The most flights from LHR to ORD 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 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 15 November 2024.
See what other customers who have flown with Icelandair, Aer Lingus and Scandinavian 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.
Finnair
7.7
Good
1,304 reviews
Check prices

Comfort

7.5

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.7

Boarding

7.7

Reviews

1 / 10

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Finnair
7.7
Good
1,304 reviews
Finnair
7.7
Good
1,304 reviews
Check prices

Comfort

7.5

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.7

Boarding

7.7

Reviews

1 / 10

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Austrian Airlines
7.6
Good
810 reviews
Finnair
7.7
Good
1,304 reviews
Check prices

Comfort

7.5

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.7

Boarding

7.7

Reviews

1 / 10

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

SWISS
7.6
Good
1,638 reviews
Finnair
7.7
Good
1,304 reviews
Check prices

Comfort

7.5

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.7

Boarding

7.7

Reviews

1 / 10

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

United Airlines
7.4
Good
9,193 reviews
Finnair
7.7
Good
1,304 reviews
Check prices

Comfort

7.5

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.7

Boarding

7.7

Reviews

1 / 10

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Brussels Airlines
7.4
Good
369 reviews
Finnair
7.7
Good
1,304 reviews
Check prices

Comfort

7.5

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.7

Boarding

7.7

Reviews

1 / 10

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

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 Icelandair. Our recent data shows that you can find tickets from as low as £447 on this airline. Additional options worth looking into are Aer Lingus and Scandinavian Airlines, starting at £448 and £449 round-trip. Users have found that Icelandair 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?

    £426 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and TAP AIR PORTUGAL, with prices starting from £427 and £431, 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 Malaysia Airlines (92%), SriLankan Airlines (84%) and Air Canada (84%).

  • 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 £501. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £379 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 £598). Flying from London Heathrow Airport to Chicago O'Hare Intl Airport 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 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 15 November 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 943,810 searches. Data last updated 15 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£374Average£506FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£386Average£554FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£389Average£535FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£394Average£499FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£424Average£582FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£428Average£568FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£448Average£595FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£449Average£617FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Austrian AirlinesCheapest£455Average£595FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
FinnairCheapest£458Average£597FlexibilityNo cancel feeOn-time76%
Search Finnair 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 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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