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O'Hare Intl

$286+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$539
(United Airlines)

One-way from

$286
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$640

Good round-trip deal

$685 or less

Good one-way deal

$660 or less
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
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From United Kingdom to Chicago O'Hare Intl
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One-way flight from United Kingdom to Chicago O'Hare Intl
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Highest demand for flights based on searches. 12% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from United Kingdom to Chicago O'Hare Intl.
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Price to beat on a one-way flight from United Kingdom to Chicago O'Hare Intl.
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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 marzo 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
sáb. 5/107:25 amLHR - ORD
1 stop12h 30mUnited Airlines
mié. 5/144:25 pmORD - LHR
1 stop12h 15mUnited Airlines
Deal found 3/27$539
This Austrian Airlines deal was found by Cheapflights users on 3/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/59:05 amLHR - ORD
1 stop34h 15mAustrian Airlines
mar. 9/164:00 pmORD - LHR
Nonstop8h 20mAustrian Airlines
Deal found 3/28$540
This Mytrip deal was found by Cheapflights users on 3/27. 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.
mar. 4/228:15 amSTN - ORD
2 stops16h 00mMultiple Airlines
mar. 4/297:25 pmORD - STN
2 stops21h 30mMultiple Airlines
Deal found 3/27$540
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
vie. 5/1610:00 amLGW - ORD
1 stop37h 41mMultiple Airlines
mar. 5/209:55 amORD - LGW
1 stop15h 05mMultiple Airlines
Deal found 3/27$541
This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/93:40 pmLGW - ORD
1 stop11h 35mIcelandair
mié. 7/167:25 pmORD - LGW
1 stop10h 20mIcelandair
Deal found 3/28$542
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/267:40 amLHR - ORD
1 stop12h 20mBritish Airways
mar. 4/298:20 pmORD - LHR
Nonstop8h 10mBritish Airways
Deal found 3/27$544
This Lufthansa deal was found by Cheapflights users on 3/27. 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.
sáb. 4/197:30 amLHR - ORD
2 stops16h 56mLufthansa
mié. 5/142:35 pmORD - LHR
1 stop13h 05mLufthansa
Deal found 3/27$546
This Expedia deal was found by Cheapflights users on 3/27. 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.
jue. 5/17:00 amGLA - ORD
1 stop14h 55mBritish Airways
jue. 5/1511:45 amORD - GLA
2 stops19h 35mBritish Airways
Deal found 3/27$548
This Gotogate deal was found by Cheapflights users on 3/27. 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.
mié. 6/41:05 pmLHR - ORD
1 stop11h 10mIcelandair
mié. 6/2510:15 pmORD - LHR
1 stop16h 05mIcelandair
Deal found 3/27$548
This Flysmarter deal was found by Cheapflights users on 3/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/196:30 amLHR - ORD
1 stop14h 15mMultiple Airlines
vie. 5/212:00 pmORD - LHR
1 stop12h 35mMultiple Airlines
Deal found 3/28$553
This TravelUp deal was found by Cheapflights users on 3/27. 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.
mar. 4/228:45 amLCY - ORD
1 stop17h 10mMultiple Airlines
mar. 4/292:20 pmORD - LCY
1 stop12h 30mMultiple Airlines
Deal found 3/27$556
This Mytrip deal was found by Cheapflights users on 3/26. 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.
jue. 5/112:35 pmLTN - ORD
2 stops33h 35mMultiple Airlines
dom. 5/117:15 pmORD - LTN
2 stops20h 15mMultiple Airlines
Deal found 3/26$556

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 marzo 28, 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

LHR - ORD

LHRORD

London Heathrow

sáb. 5/10

7:25 am-1:55 pm

1 stop12h 30m

Chicago O'Hare Intl

mié. 5/14

4:25 pm-10:40 am

1 stop12h 15m

$539

LondonChicago

STN - ORD

STNORD

London Stansted

mar. 4/22

8:15 am-6:15 pm

2 stops16h 00m

Chicago O'Hare Intl

mar. 4/29

7:25 pm-10:55 pm

2 stops21h 30m

$540

LondonChicago

LGW - ORD

LGWORD

London Gatwick

vie. 5/16

10:00 am-5:41 pm

1 stop37h 41m

Chicago O'Hare Intl

mar. 5/20

9:55 am-7:00 am

1 stop15h 05m

$541

LondonChicago

LGW - ORD

LGWORD

London Gatwick

mar. 4/29

3:40 pm-6:15 pm

1 stop32h 35m

Chicago O'Hare Intl

lun. 5/5

7:25 pm-11:45 am

1 stop10h 20m

$544

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sáb. 4/26

7:40 am-2:00 pm

1 stop12h 20m

Chicago O'Hare Intl

mar. 4/29

8:20 pm-10:30 am

Nonstop8h 10m

$544

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sáb. 4/19

7:30 am-6:26 pm

2 stops16h 56m

Chicago O'Hare Intl

mié. 5/14

2:35 pm-9:40 am

1 stop13h 05m

$546

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

jue. 5/1

7:00 am-3:55 pm

1 stop14h 55m

Chicago O'Hare Intl

jue. 5/15

11:45 am-1:20 pm

2 stops19h 35m

$548

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mié. 6/4

1:05 pm-6:15 pm

1 stop11h 10m

Chicago O'Hare Intl

mié. 6/25

10:15 pm-8:20 pm

1 stop16h 05m

$548

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sáb. 4/19

6:30 am-2:45 pm

1 stop14h 15m

Chicago O'Hare Intl

vie. 5/2

12:00 pm-6:35 am

1 stop12h 35m

$553

LondonChicago

LHR - ORD

LHRORD

London Heathrow

sáb. 4/26

8:30 am-11:35 am

Nonstop9h 05m

Chicago O'Hare Intl

mar. 4/29

9:20 pm-11:45 am

Nonstop8h 25m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 $323). 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 marzo 28, 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.

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 marzo 28, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT 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.
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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
LOT
7.6
Good
1,063 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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?

    $460 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Aer Lingus, with prices starting from $517 and $520, respectively.

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

    The most popular flight routes from United Kingdom to Chicago O'Hare Intl Airport are London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl and London City - Chicago O'Hare Intl.

  • 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 Air Canada (93%), Austrian Airlines (93%) and United Airlines (93%).

  • 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 $549. While the most popular route (London Heathrow - Chicago O'Hare Intl) can be booked for $442 on average our data indicates $2,299 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 $323). 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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Alternative routes for United Kingdom to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to O'Hare Intl flights
Charles de Gaulle to O'Hare Intl flights
Heathrow to O'Hare Intl flights
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Frederic Chopin to Midway flights
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Bruxelles-National to O'Hare Intl flights
Istanbul to O'Hare Intl flights
Munich to O'Hare Intl flights
Athens to O'Hare Intl flights
Krakow to O'Hare Intl flights
Gatwick to O'Hare Intl flights
Malpensa to O'Hare Intl flights
Heathrow to Midway flights
London City to O'Hare Intl flights
Dublin to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Charles de Gaulle to Midway flights
Zurich to O'Hare Intl flights
Barcelona-El Prat to O'Hare Intl flights
Vienna to O'Hare Intl flights
Amsterdam to O'Hare Intl flights
Linate to O'Hare Intl flights
Bruxelles-National to Midway flights
Istanbul to Midway flights
Barcelona-El Prat to Midway flights
Bergamo to O'Hare Intl flights
Frankfurt-Hahn to O'Hare Intl flights
Stansted to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to Midway flights
Modlin to O'Hare Intl flights
Madrid to Midway flights
Otopeni Intl to O'Hare Intl flights
Prague to O'Hare Intl flights
Copenhagen to O'Hare Intl flights
Sabiha Gokcen to O'Hare Intl flights
Vicenza to O'Hare Intl flights
Berlin to O'Hare Intl flights
Beauvais-Tille to O'Hare Intl flights
Luton to O'Hare Intl flights
Amsterdam to Midway flights

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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$451Average$665FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$483Average$729FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$492Average$675FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$522Average$844FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$559Average$858FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$562Average$788FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$562Average$924FlexibilityNo cancel feeOn-time69%
IberiaCheapest$582Average$777FlexibilityNo cancel feeOn-time77%
FinnairCheapest$613Average$838FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$660Average$1,067FlexibilityNo cancel feeOn-time76%
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