O'Hare Intl

$314+ Cheap flights from the United Kingdom 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
May 6 — May 131
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Cheap flight deals from United Kingdom to O'Hare Intl

Keep the following information in mind while searching for United Kingdom to O'Hare Intl flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$555
(World Air Fares)

One-way from

$314
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$691

Good round-trip deal

$637 or less

Good one-way deal

$699 or less
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
From United Kingdom to Chicago O'Hare Intl
One-way flight from United Kingdom to Chicago O'Hare Intl
Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in May 2025
Price to beat on a round-trip flight from United Kingdom to Chicago O'Hare Intl.
Price to beat on a one-way flight from United Kingdom to Chicago O'Hare Intl.

Find flight deals from United Kingdom to O'Hare Intl

Cheapest flights from United Kingdom to O'Hare Intl
Explore the most affordable flight options available from United Kingdom to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This World Air Fares deal was found by Cheapflights users on 4/30. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:40 amLGW - ORD
1 stop16h 42mFinnair
Mon 5/195:00 amORD - LGW
2 stops21h 35mFinnair
Deal found 4/30$555
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:05 pmLHR - ORD
1 stop11h 10mIcelandair
Thu 9/410:15 pmORD - LHR
1 stop16h 05mIcelandair
Deal found 4/30$556
This TravelUp deal was found by Cheapflights users on 4/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:05 pmLHR - ORD
1 stop11h 55mBritish Airways
Thu 5/157:10 pmORD - LHR
Nonstop7h 55mBritish Airways
Deal found 4/30$557
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Thu 9/256:50 amLHR - ORD
2 stops14h 00mAir Canada
Sun 9/2810:40 amORD - LHR
1 stop13h 50mAir Canada
Deal found 4/30$560
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/102:00 pmLGW - ORD
1 stop16h 10mMultiple Airlines
Fri 7/111:03 pmORD - LGW
1 stop14h 57mMultiple Airlines
Deal found 5/1$564
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:40 pmLGW - ORD
1 stop32h 35mIcelandair
Thu 10/167:25 pmORD - LGW
1 stop13h 15mIcelandair
Deal found 5/1$569
This TravelUp deal was found by Cheapflights users on 4/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:30 amLHR - ORD
1 stop13h 40mVirgin Atlantic
Mon 5/196:18 pmORD - LHR
1 stop11h 07mVirgin Atlantic
Deal found 4/30$572
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Thu 5/89:55 amLHR - ORD
1 stop15h 26mFinnair
Thu 5/224:44 pmORD - LHR
1 stop22h 56mFinnair
Deal found 5/1$573
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:20 amLCY - ORD
1 stop10h 50mDelta
Tue 9/94:20 pmORD - LCY
1 stop9h 50mDelta
Deal found 4/30$575
This TravelUp deal was found by Cheapflights users on 4/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:30 amLHR - ORD
Nonstop9h 05mMultiple Airlines
Sun 5/188:40 amORD - LHR
1 stop15h 50mMultiple Airlines
Deal found 4/30$575
This KLM deal was found by Cheapflights users on 5/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:40 amLHR - ORD
1 stop11h 30mKLM
Fri 9/262:10 pmORD - LHR
1 stop10h 35mKLM
Deal found 5/1$582
This Lufthansa deal was found by Cheapflights users on 4/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:25 amLCY - ORD
1 stop12h 30mMultiple Airlines
Wed 9/2410:30 pmORD - LCY
1 stop11h 55mMultiple Airlines
Deal found 4/30$584

Cheapflights Fare Finder

Customize your flight search to find flights from United Kingdom 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 May 1, 2025.
Use the filters below to find and compare flights from the United Kingdom to Chicago O'Hare Intl Airport that are best for you.

Fly from

United Kingdom

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 5/15

10:40 am-9:22 pm

1 stop16h 42m

Chicago O'Hare Intl

Mon 5/19

5:00 am-8:35 am

2 stops21h 35m

$555

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 8/28

1:05 pm-6:15 pm

1 stop11h 10m

Chicago O'Hare Intl

Thu 9/4

10:15 pm-8:20 pm

1 stop16h 05m

$556

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 5/16

9:15 am-5:59 pm

1 stop14h 44m

Chicago O'Hare Intl

Fri 5/23

4:40 pm-9:00 am

1 stop10h 20m

$558

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 9/25

6:50 am-2:50 pm

2 stops14h 00m

Chicago O'Hare Intl

Sun 9/28

10:40 am-6:30 am

1 stop13h 50m

$560

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 6/10

2:00 pm-12:10 am

1 stop16h 10m

Chicago O'Hare Intl

Fri 7/11

1:03 pm-10:00 am

1 stop14h 57m

$564

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 5/12

6:50 am-12:00 pm

1 stop11h 10m

Chicago O'Hare Intl

Tue 5/20

3:45 pm-12:20 pm

1 stop14h 35m

$564

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 5/13

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

Thu 10/16

7:25 pm-2:40 pm

1 stop13h 15m

$569

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 5/15

6:30 am-2:10 pm

1 stop13h 40m

Chicago O'Hare Intl

Mon 5/19

6:18 pm-11:25 am

1 stop11h 07m

$572

LondonChicago

LCY - ORD

LCYORD

London City

Thu 8/21

9:20 am-2:10 pm

1 stop10h 50m

Chicago O'Hare Intl

Tue 9/9

4:20 pm-8:10 am

1 stop9h 50m

$575

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 9/18

8:40 am-2:10 pm

1 stop11h 30m

Chicago O'Hare Intl

Fri 9/26

2:10 pm-6:45 am

1 stop10h 35m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to O'Hare Intl

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

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from United Kingdom to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of $245). Flying from United Kingdom to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 GB to ORD?

Find hourly flight availability from United Kingdom 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Chicago O'Hare Intl Airport as you normally would.

Weekly flight availability from United Kingdom to Chicago O'Hare Intl Airport

Explore weekly flight availability from United Kingdom 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 May 1, 2025.

The most flights from GB0 to ORD are scheduled on a Wednesday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (43 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 May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from United Kingdom to Chicago by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 United Kingdom 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 to fly from United Kingdom to Chicago O'Hare Intl Airport one-way?

    $523 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 TAP AIR PORTUGAL and British Airways, with prices starting from $528 and $531, respectively.

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

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

    The top 3 most reliable airlines when flying from United Kingdom to Chicago O'Hare Intl Airport are United Airlines (90%), SWISS (89%) and Air Canada (87%).

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

    Looking at all options, your cheapest flight can be booked for $548. While the most popular route (London Heathrow - Chicago O'Hare Intl) can be booked for $492 on average our data indicates $2,295 when flying from United Kingdom to Chicago O'Hare Intl Airport.

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of $245). Flying from United Kingdom to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 United Kingdom to O'Hare Intl

Discover the top 10 airlines that operate flights from United Kingdom 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$451Average$670FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$462Average$569FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$483Average$677FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$550Average$818FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$553Average$828FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$562Average$889FlexibilityNo cancel feeOn-time69%
IberiaCheapest$582Average$776FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$584Average$800FlexibilityNo cancel feeOn-time71%
Austrian AirlinesCheapest$586Average$987FlexibilityNo cancel feeOn-time78%
FinnairCheapest$613Average$852FlexibilityNo cancel feeOn-time76%

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