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Cheap flights from London to Chicago O'Hare Intl Airport from £334

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ORD
27 gen — 3 feb1
1 adult

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 Wednesday

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 22 gennaio 2025.

Round-trip from

£433

One-way from

£334

Popular in

August

Cheapest in

February

Average price

£565

Good round-trip deal

£555 or less

Good one-way deal

£614 or less
Lufthansa
  • Lufthansa
  • 13/3-27/3
  • 1 total stop
  • 20h 35m total
  • London to Chicago
15/6
  • 15/6
  • 2 total stops
  • 33h 50m total
  • London to Chicago
Highest demand for flights based on searches. 9% potential increase in price (£49 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in January 2025
Price to beat on a round-trip flight from London (LON) to Chicago O'Hare Intl.
Price to beat on a one-way flight from London (LON) to Chicago O'Hare Intl.

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 22 gennaio 2025.

gio 13/307:40LHR - ORD
1 stop12h 30mLufthansa
gio 27/318:50ORD - LHR
Nonstop8h 05mLufthansa
Deal found 21/1£433
mer 19/219:50LHR - ORD
2 stops28h 00mScandinavian Airlines
dom 2/319:40ORD - LHR
1 stop16h 00mScandinavian Airlines
Deal found 21/1£433
lun 23/615:40LGW - ORD
1 stop11h 35mIcelandair
lun 7/722:15ORD - LGW
1 stop10h 25mIcelandair
Deal found 21/1£436
mer 19/206:15LHR - ORD
1 stop14h 15mBritish Airways
mer 26/321:15ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 21/1£436
gio 20/319:25LHR - ORD
1 stop24h 40mAustrian Airlines
mar 25/318:50ORD - LHR
Nonstop8h 05mAustrian Airlines
Deal found 21/1£437
mar 13/518:45LHR - ORD
1 stop27h 25mTAP AIR PORTUGAL
sab 17/518:15ORD - LHR
1 stop22h 40mTAP AIR PORTUGAL
Deal found 21/1£438
lun 3/306:30STN - ORD
2 stops16h 50mMultiple Airlines
gio 6/318:30ORD - STN
2 stops21h 20mMultiple Airlines
Deal found 21/1£438
mer 5/314:10LHR - ORD
Nonstop8h 50mFinnair
dom 9/316:27ORD - LHR
1 stop14h 13mFinnair
Deal found 21/1£438
mer 19/211:55LHR - ORD
Nonstop8h 50mAmerican Airlines
mer 26/321:15ORD - LHR
Nonstop7h 45mAmerican Airlines
Deal found 21/1£439
mer 26/206:50LHR - ORD
2 stops13h 55mMultiple Airlines
mer 26/311:04ORD - LHR
2 stops15h 06mMultiple Airlines
Deal found 21/1£440
lun 3/218:45LGW - ORD
1 stop27h 30mSWISS
lun 17/219:05ORD - LGW
1 stop16h 45mSWISS
Deal found 21/1£441
mar 18/209:15LCY - ORD
1 stop13h 00mSWISS
mar 25/219:05ORD - LCY
1 stop11h 45mSWISS
Deal found 21/1£441

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

Customise 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 858,174 searches. Data last updated 22 gennaio 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

gio 13/3

07:40-15:10

1 stop12h 30m

Chicago O'Hare Intl

gio 27/3

18:50-07:55

Nonstop8h 05m

£433

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer 19/2

19:50-17:50

2 stops28h 00m

Chicago O'Hare Intl

dom 2/3

19:40-17:40

1 stop16h 00m

£433

LondonChicago

LGW - ORD

LGWORD

London Gatwick

lun 23/6

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

lun 7/7

22:15-14:40

1 stop10h 25m

£436

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer 19/2

06:15-14:30

1 stop14h 15m

Chicago O'Hare Intl

mer 26/3

21:15-10:00

Nonstop7h 45m

£436

LondonChicago

LHR - ORD

LHRORD

London Heathrow

gio 20/3

19:25-15:05

1 stop24h 40m

Chicago O'Hare Intl

mar 25/3

18:50-07:55

Nonstop8h 05m

£437

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mar 13/5

18:45-16:10

1 stop27h 25m

Chicago O'Hare Intl

sab 17/5

18:15-22:55

1 stop22h 40m

£438

LondonChicago

STN - ORD

STNORD

London Stansted

lun 3/3

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

gio 6/3

18:30-21:50

2 stops21h 20m

£438

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer 5/3

14:10-17:00

Nonstop8h 50m

Chicago O'Hare Intl

dom 9/3

16:27-11:40

1 stop14h 13m

£438

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer 19/2

14:10-17:00

Nonstop8h 50m

Chicago O'Hare Intl

mer 26/3

21:15-10:00

Nonstop7h 45m

£439

LondonChicago

LHR - ORD

LHRORD

London Heathrow

mer 26/2

06:50-14:45

2 stops13h 55m

Chicago O'Hare Intl

mer 26/3

11:04-07:10

2 stops15h 06m

£440

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 58 results
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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 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 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 return flight from London to O'Hare Intl. Price data was last updated on 17 January 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, January is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of £595). Flying from London 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 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 22 gennaio 2025.

It’s typically best to fly out from London to Chicago O'Hare Intl Airport in the afternoon. Doing so could potentially save you 3% on the flight price compared to flying in the evening, which is usually more expensive.

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 return from London to O'Hare Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Chicago O'Hare Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday 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 22 gennaio 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 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 gennaio 2025.
Get a feel of what it's like to fly with Lufthansa, British Airways and American Airlines from London to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

8.0
Very Good
8,521 reviews
8.0
Very Good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.8
Good
1,341 reviews
8.0
Very Good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.6
Good
1,117 reviews
8.0
Very Good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.6
Good
1,286 reviews
8.0
Very Good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

7.6
Good
786 reviews
8.0
Very Good
8,521 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.6

Entertainment

7.9

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?

    Flying on Lufthansa is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at £433. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Icelandair, with the lowest prices starting at £433 and £436, respectively. You may be able to fly from London to Chicago O'Hare Intl Airport for 26% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £359. Users have also found prices from £360 and £425 on Icelandair and Scandinavian Airlines, respectively.

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

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

    Consider Air Canada (93%), Austrian Airlines (93%) or United Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from London to Chicago O'Hare Intl Airport.

  • 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 £452. On average you can expect to pay £1,242. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £357.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of £595). Flying from London 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.

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Fly from London to O'Hare Intl on these airlines

Choose from the following airlines for your flight from London to O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 22 gennaio 2025.

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 858,174 searches. Data last updated 22 gennaio 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£345Average£528FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£387Average£545FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£398Average£582FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£418Average£561FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£437Average£590FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£450Average£598FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£462Average£613FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£475Average£641FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£484Average£626FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£487Average£663FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from London 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 London to O'Hare Intl for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to O'Hare Intl flexibly with Cheapflights today.

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

Yes! Start tracking prices for London to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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