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Cheap flights from the United Kingdom to Chicago O'Hare Intl Airport from £230

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
27 Apr — 4 May1
1 adult

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 22 April 2025.

Round-trip from

£409

One-way from

£230

Popular in

August

Cheapest in

February

Average price

£502

Good round-trip deal

£538 or less

Good one-way deal

£533 or less
Austrian Airlines
  • Austrian Airlines
  • 5/5-22/5
  • 2 total stops
  • 27h 46m total
  • United Kingdom to Chicago
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3/6
  • 3/6
  • 2 total stops
  • 24h 07m total
  • United Kingdom to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Chicago O'Hare Intl.
Search Deals
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 22 April 2025.

Mon 5/506:00LHR - ORD
1 stop15h 55mMultiple Airlines
Thu 22/513:04ORD - LHR
1 stop11h 51mMultiple Airlines
Deal found 21/4£409
Thu 28/813:05LHR - ORD
1 stop11h 10mIcelandair
Thu 4/922:15ORD - LHR
1 stop16h 05mIcelandair
Deal found 21/4£410
Fri 9/518:40LGW - ORD
1 stop24h 05mSWISS
Sun 11/518:35ORD - LGW
1 stop17h 15mSWISS
Deal found 21/4£411
Thu 15/507:25LHR - ORD
1 stop12h 30mLufthansa
Mon 19/521:45ORD - LHR
1 stop16h 55mLufthansa
Deal found 21/4£412
Fri 9/508:40LHR - ORD
1 stop13h 15mUnited Airlines
Mon 12/507:35ORD - LHR
1 stop18h 05mUnited Airlines
Deal found 21/4£412
Mon 5/506:00LHR - ORD
1 stop13h 20mAustrian Airlines
Mon 12/516:05ORD - LHR
Nonstop8h 15mAustrian Airlines
Deal found 21/4£413
Mon 8/920:05LHR - ORD
1 stop22h 50mSWISS
Tue 16/914:20ORD - LHR
1 stop23h 00mSWISS
Deal found 21/4£414
Fri 2/515:05LGW - ORD
1 stop26h 00mBritish Airways
Thu 8/511:45ORD - LGW
1 stop14h 25mBritish Airways
Deal found 22/4£416
Thu 11/906:50LHR - ORD
2 stops14h 00mAir Canada
Wed 24/908:40ORD - LHR
1 stop15h 50mAir Canada
Deal found 21/4£418
Sat 3/509:15LHR - ORD
Nonstop8h 30mBritish Airways
Wed 7/520:30ORD - LHR
Nonstop8h 00mBritish Airways
Deal found 21/4£420
Wed 21/517:35LGW - ORD
2 stops33h 40mMultiple Airlines
Wed 28/519:25ORD - LGW
2 stops16h 25mMultiple Airlines
Deal found 21/4£421
Thu 22/506:55STN - ORD
2 stops20h 20mMultiple Airlines
Mon 26/519:25ORD - STN
2 stops16h 55mMultiple Airlines
Deal found 21/4£421

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 22 April 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

Mon 5/5

06:00-15:55

1 stop15h 55m

Chicago O'Hare Intl

Thu 22/5

13:04-06:55

1 stop11h 51m

£409

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 28/8

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Thu 4/9

22:15-20:20

1 stop16h 05m

£410

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 9/5

18:40-12:45

1 stop24h 05m

Chicago O'Hare Intl

Sun 11/5

18:35-17:50

1 stop17h 15m

£411

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 15/5

07:25-13:55

1 stop12h 30m

Chicago O'Hare Intl

Mon 19/5

21:45-20:40

1 stop16h 55m

£412

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 9/5

08:40-15:55

1 stop13h 15m

Chicago O'Hare Intl

Thu 22/5

11:23-06:55

1 stop13h 32m

£412

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 5/5

06:00-13:20

1 stop13h 20m

Chicago O'Hare Intl

Mon 12/5

16:05-06:20

Nonstop8h 15m

£413

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 8/9

20:05-12:55

1 stop22h 50m

Chicago O'Hare Intl

Tue 16/9

14:20-19:20

1 stop23h 00m

£414

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 2/5

15:05-11:05

1 stop26h 00m

Chicago O'Hare Intl

Thu 8/5

11:45-08:10

1 stop14h 25m

£416

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 11/9

06:50-14:50

2 stops14h 00m

Chicago O'Hare Intl

Fri 19/9

10:40-06:30

1 stop13h 50m

£418

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 3/5

09:15-11:45

Nonstop8h 30m

Chicago O'Hare Intl

Wed 7/5

20:30-10:30

Nonstop8h 00m

£420

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 60 results
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2
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6

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 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.

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, January is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of £595). Flying from United Kingdom to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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 22 April 2025.

When flying from United Kingdom to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 22 April 2025.

The most flights from GB0 to ORD are scheduled on a Monday (56 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (44 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 22 April 2025.
See what other customers who have flown with Delta, KLM and LOT from United Kingdom to Chicago have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

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?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £376. However, be on the lookout for offers from Aer Lingus and TAP AIR PORTUGAL, as they are both options that can get you from United Kingdom to Chicago O'Hare Intl Airport for a low price.

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

    Most travelers choose London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl or London City - Chicago O'Hare Intl when deciding on the best route from United Kingdom to Chicago O'Hare Intl Airport.

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

    No one likes to see their flight delayed. When booking a flight from United Kingdom to Chicago O'Hare Intl Airport consider choosing United Airlines (90%), SWISS (89%) or Air Canada (87%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from United Kingdom to Chicago O'Hare Intl Airport is generally £1,511, our data shows the cheapest flight currently is £421. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £355 for that flight.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of £595). Flying from United Kingdom to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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.
Heathrow to O'Hare Intl flights
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London City to O'Hare Intl flights
Heathrow to Midway flights
Manchester to O'Hare Intl flights
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Stansted to O'Hare Intl flights
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Manchester to Midway flights
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Birmingham to Midway flights
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Leeds to Midway flights
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Southampton to Midway flights
Cardiff to Midway flights
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Istanbul to O'Hare Intl flights
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Dublin to Midway flights
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Darlington to Midway flights
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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 858,174 searches. Data last updated 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£314Average£554FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£329Average£598FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£339Average£468FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£356Average£496FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£369Average£600FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£380Average£581FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapest£408Average£553FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£410Average£614FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£415Average£584FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£416Average£645FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

When you search for this flight from United Kingdom to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to O'Hare Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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