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O'Hare Intl

$411+ Cheap flights from London (LON) to O'Hare Intl (ORD)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from London to Chicago O'Hare Intl are usually found in February or March, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from London to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$532
(Gotogate)

One-way from

$411
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$695

Good round-trip deal

$736 or less

Good one-way deal

$667 or less
Provider with most accurate pricing for London (LON)-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Chicago O'Hare Intl flights.
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From London (LON) to Chicago O'Hare Intl
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One-way flight from London (LON) to Chicago O'Hare Intl
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Highest demand for flights based on searches. 9% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from London (LON) to Chicago O'Hare Intl.
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Price to beat on a one-way flight from London (LON) to Chicago O'Hare Intl.
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Find flight deals from London to O'Hare Intl

Cheapest flights from London to O'Hare Intl
Explore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/21. 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.
Thu 3/137:40 amLHR - ORD
1 stop12h 30mLufthansa
Thu 3/276:50 pmORD - LHR
Nonstop8h 05mLufthansa
Deal found 1/21$532
This Scandinavian Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/197:50 pmLHR - ORD
2 stops28h 00mScandinavian Airlines
Sun 3/27:40 pmORD - LHR
1 stop16h 00mScandinavian Airlines
Deal found 1/21$533
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Mon 6/233:40 pmLGW - ORD
1 stop11h 35mIcelandair
Mon 7/710:15 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 1/21$536
This Gotogate deal was found by Cheapflights users on 1/21. 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.
Thu 3/207:25 pmLHR - ORD
1 stop24h 40mAustrian Airlines
Tue 3/256:50 pmORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 1/21$537
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 2/169:30 amLHR - ORD
1 stop33h 55mUnited Airlines
Sun 2/238:02 pmORD - LHR
1 stop31h 38mUnited Airlines
Deal found 1/19$538
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Mon 3/36:30 amSTN - ORD
2 stops16h 50mMultiple Airlines
Thu 3/66:30 pmORD - STN
2 stops21h 20mMultiple Airlines
Deal found 1/21$538
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:50 amLHR - ORD
2 stops13h 55mMultiple Airlines
Wed 2/2611:35 amORD - LHR
2 stops14h 55mMultiple Airlines
Deal found 1/20$539
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/193:45 pmLHR - ORD
Nonstop9h 00mBritish Airways
Wed 2/269:45 pmORD - LHR
Nonstop7h 45mBritish Airways
Deal found 1/20$540
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2711:55 amLHR - ORD
Nonstop8h 50mAmerican Airlines
Mon 2/106:35 pmORD - LHR
Nonstop7h 40mAmerican Airlines
Deal found 1/20$541
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/36:45 pmLGW - ORD
1 stop27h 30mSWISS
Mon 2/177:05 pmORD - LGW
1 stop16h 45mSWISS
Deal found 1/21$542
This Expedia deal was found by Cheapflights users on 1/21. 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.
Tue 2/189:15 amLCY - ORD
1 stop13h 00mSWISS
Tue 2/257:05 pmORD - LCY
1 stop11h 45mSWISS
Deal found 1/21$542
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Tue 3/47:55 pmLGW - ORD
3 stops30h 10mMultiple Airlines
Mon 3/1710:25 pmORD - LGW
2 stops19h 25mMultiple Airlines
Deal found 1/21$543

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

Customize your flight search to find flights from London 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 3/13

7:40 am-3:10 pm

1 stop12h 30m

Chicago O'Hare Intl

Thu 3/27

6:50 pm-7:55 am

Nonstop8h 05m

$532

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 2/19

7:50 pm-5:50 pm

2 stops28h 00m

Chicago O'Hare Intl

Sun 3/2

7:40 pm-5:40 pm

1 stop16h 00m

$533

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 6/23

3:40 pm-9:15 pm

1 stop11h 35m

Chicago O'Hare Intl

Mon 7/7

10:15 pm-2:40 pm

1 stop10h 25m

$536

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 3/20

7:25 pm-3:05 pm

1 stop24h 40m

Chicago O'Hare Intl

Tue 3/25

6:50 pm-7:55 am

Nonstop8h 05m

$537

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 2/16

9:30 am-1:25 pm

1 stop33h 55m

Chicago O'Hare Intl

Sun 2/23

8:02 pm-9:40 am

1 stop31h 38m

$538

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 3/3

6:30 am-5:20 pm

2 stops16h 50m

Chicago O'Hare Intl

Thu 3/6

6:30 pm-9:50 pm

2 stops21h 20m

$538

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 2/19

6:50 am-2:45 pm

2 stops13h 55m

Chicago O'Hare Intl

Wed 2/26

11:35 am-8:30 am

2 stops14h 55m

$539

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 2/19

3:45 pm-6:45 pm

Nonstop9h 00m

Chicago O'Hare Intl

Wed 2/26

9:45 pm-11:30 am

Nonstop7h 45m

$540

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 2/3

6:45 pm-4:15 pm

1 stop27h 30m

Chicago O'Hare Intl

Mon 2/17

7:05 pm-5:50 pm

1 stop16h 45m

$542

LondonChicago

LCY - ORD

LCYORD

London City

Tue 2/18

9:15 am-4:15 pm

1 stop13h 00m

Chicago O'Hare Intl

Tue 2/25

7:05 pm-12:50 pm

1 stop11h 45m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 57 results
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Compare providers for flights from London to O'Hare Intl

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 London to O'Hare Intl in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
Trip.comPrice Accuracy2 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-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Chicago O'Hare Intl Airport 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-Chicago O'Hare Intl Airport 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 London to O'Hare Intl

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from London to O'Hare Intl. Price data was last updated on January 17, 2025.

The best time to book flights from London to Chicago O'Hare Intl Airport is 68 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 to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $245). Flying from London to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $320). 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 LON to ORD?

Find hourly flight availability from London 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 January 21, 2025.

When flying from London to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from London to O'Hare Intl. Price data was last updated on February 4, 2024.

Travelers seeking maximum savings on their London to Chicago O'Hare Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Chicago O'Hare Intl Airport

Explore weekly flight availability from London 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 January 21, 2025.

The most flights from LON 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 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 O'Hare Intl Airport when rainfall is around 1.7 in.

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 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 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 January 21, 2025.
Read reviews from past customers who have flown Lufthansa, SWISS and Delta from London to Chicago. 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
8,521 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

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
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

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
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

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
786 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.6

Comfort

8.0

Food

7.3

Overall

8.0

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 London 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 to Chicago O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from London to Chicago O'Hare Intl Airport round-trip from $532. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $533, and Icelandair, from $536. Users have found that Lufthansa is 26% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $440 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from $442 and Scandinavian Airlines from $523 one-way.

  • What are the most popular routes from London to Chicago O'Hare Intl Airport?

    While some choose either London Gatwick - Chicago O'Hare Intl or London City - Chicago O'Hare Intl, London Heathrow - Chicago O'Hare Intl is the most popular route from London to Chicago O'Hare Intl Airport.

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

    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 to Chicago O'Hare Intl Airport on time: Air Canada (93%), Austrian Airlines (93%), United Airlines (93%).

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

    The cheapest flight price from London to Chicago O'Hare Intl Airport is $578. On average you can expect to pay $1,362. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for $417.

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

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

  • How can I find direct flights from London 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 London to O'Hare Intl.

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

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

    Currently, August is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $245). Flying from London to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $320). 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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Top 10 airlines flying from London to O'Hare Intl

Discover the top 10 airlines that operate flights from London 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$451Average$567FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$462Average$666FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$483Average$729FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$556Average$791FlexibilityNo cancel feeOn-time71%
FinnairCheapest$562Average$809FlexibilityNo cancel feeOn-time76%
IberiaCheapest$564Average$787FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$578Average$733FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$579Average$1,035FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$592Average$804FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$660Average$1,067FlexibilityNo cancel feeOn-time76%
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