What are the cheapest airlines flying from London to Chicago O'Hare Intl Airport round-trip?

Flying on TAP AIR PORTUGAL is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at £444. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Icelandair, with the lowest prices starting at £446 and £447, respectively. You may be able to fly from London to Chicago O'Hare Intl Airport for 20% 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 Icelandair. According to our data, you can fly for as low as £420. Users have also found prices from £424 and £428 on Aer Lingus and TAP AIR PORTUGAL, respectively.

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

When deciding which route to take from London to Chicago O'Hare Intl Airport consider London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl or London City - Chicago O'Hare Intl as they are the most popular.

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 £512. On average you can expect to pay £1,408. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £369.

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

Consider Malaysia Airlines (89%), Air Canada (84%) or Austrian Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from London to Chicago O'Hare Intl Airport.

What are the most popular airlines that fly from London to Chicago O'Hare Intl Airport?

Before booking your flight from London to Chicago O'Hare Intl Airport check out the most popular airlines for this route: American Airlines, Air Canada or Finnair.

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 12% when planning your travel around this day of the week.

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

To save on the cost of your flight from London to Chicago O'Hare Intl Airport, book at least 53 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £516 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £591.

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

February is one of the best times of the year to fly to Chicago O'Hare Intl Airport from London. Prices for February average £546 per person but you can even find prices for as low as £356. The most expensive prices can be found in the month of August. Opting for a February flight can save you 26% on your journey compared to booking in August

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.

£419+ Flights from London, England to Chicago O'Hare Intl Airport

The best prices from London to Chicago O'Hare Intl are usually found in February or January, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from London to O'Hare Intl

Round-trip from	£444
One-way from	£419
Popular in	August
Cheapest in	February

16/1-22/1
5 total stops
64h 30m total
London to Chicago

Search Deals

3/12
2 total stops
32h 55m total
London to Chicago

Search Deals

High demand for flights, 19% potential price rise

Search Deals

Best time to find cheap flights, 15% potential price drop

Search Deals

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 20 November 2024.

Thu 5/1218:30LHR - ORD

1 stop27h 00mTAP AIR PORTUGAL

Sun 8/1220:25ORD - LHR

1 stop15h 05mTAP AIR PORTUGAL

Deal found 19/11£444

Thu 5/1215:55LGW - ORD

1 stop29h 35mTAP AIR PORTUGAL

Sun 8/1220:25ORD - LGW

1 stop13h 20mTAP AIR PORTUGAL

Deal found 19/11£445

Mon 16/1206:40LHR - ORD

1 stop15h 10mScandinavian Airlines

Thu 9/119:10ORD - LHR

2 stops17h 40mScandinavian Airlines

Deal found 19/11£448

Thu 5/1211:55LGW - ORD

1 stop11h 25mIcelandair

Sun 8/1218:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 19/11£452

Wed 4/1208:50LHR - ORD

1 stop11h 10mAer Lingus

Tue 10/1215:55ORD - LHR

1 stop10h 10mAer Lingus

Deal found 19/11£453

Fri 6/1220:50LGW - ORD

2 stops27h 05mMultiple Airlines

Sun 8/1215:55ORD - LGW

2 stops22h 25mMultiple Airlines

Deal found 19/11£467

Wed 11/1220:40LHR - ORD

1 stop26h 40mIcelandair

Tue 17/1218:30ORD - LHR

1 stop19h 00mIcelandair

Deal found 20/11£476

Wed 27/1106:50LHR - ORD

1 stop11h 25mLufthansa

Sat 30/1116:00ORD - LHR

1 stop32h 30mLufthansa

Deal found 19/11£478

Wed 4/1206:30STN - ORD

1 stop13h 30mMultiple Airlines

Tue 10/1219:40ORD - STN

1 stop11h 45mMultiple Airlines

Deal found 19/11£482

Tue 3/1209:55LHR - ORD

2 stops34h 10mMultiple Airlines

Tue 10/1215:35ORD - LHR

2 stops22h 30mMultiple Airlines

Deal found 19/11£484

Wed 4/1206:50LTN - ORD

1 stop13h 10mMultiple Airlines

Tue 10/1215:55ORD - LTN

1 stop11h 50mMultiple Airlines

Deal found 19/11£484

Sat 23/1114:30LHR - ORD

1 stop26h 24mUnited Airlines

Mon 25/1110:51ORD - LHR

1 stop13h 29mUnited Airlines

Deal found 19/11£494

Best flights from London to O'Hare Intl
Discover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 November 2024.

Thu 16/112:45LGW - ORD

2 stops32h 45mMultiple Airlines

Wed 22/119:15ORD - LGW

3 stops31h 45mMultiple Airlines

Deal found 20/11£444

Thu 5/1218:30LHR - ORD

1 stop27h 00mTAP AIR PORTUGAL

Sun 8/1220:25ORD - LHR

1 stop15h 05mTAP AIR PORTUGAL

Deal found 19/11£444

Mon 13/106:40LHR - ORD

1 stop15h 10mScandinavian Airlines

Mon 27/119:10ORD - LHR

2 stops18h 45mScandinavian Airlines

Deal found 19/11£446

Fri 7/211:55LGW - ORD

1 stop11h 25mIcelandair

Thu 24/419:30ORD - LGW

1 stop13h 10mIcelandair

Deal found 20/11£447

Wed 4/1207:50LHR - ORD

1 stop12h 10mAer Lingus

Sun 8/1215:55ORD - LHR

1 stop11h 10mAer Lingus

Deal found 18/11£455

Wed 12/217:05LHR - ORD

1 stop20h 25mFinnair

Wed 19/218:25ORD - LHR

Nonstop7h 50mFinnair

Deal found 20/11£460

Wed 27/1106:50LHR - ORD

1 stop11h 25mLufthansa

Sat 30/1116:00ORD - LHR

1 stop32h 30mLufthansa

Deal found 19/11£478

Sat 23/1114:30LHR - ORD

1 stop26h 24mUnited Airlines

Mon 25/1110:51ORD - LHR

1 stop13h 29mUnited Airlines

Deal found 19/11£494

Mon 13/110:25LHR - ORD

Nonstop9h 25mAustrian Airlines

Mon 27/121:10ORD - LHR

Nonstop8h 05mAustrian Airlines

Deal found 19/11£508

Wed 11/1206:30LHR - ORD

2 stops16h 36mDelta

Wed 18/1211:59ORD - LHR

1 stop12h 21mDelta

Deal found 20/11£513

Wed 12/208:40LCY - ORD

1 stop11h 50mVirgin Atlantic

Wed 19/216:25ORD - LCY

1 stop9h 45mVirgin Atlantic

Deal found 19/11£527

Mon 30/1211:55LHR - ORD

Nonstop8h 50mBritish Airways

Mon 20/118:35ORD - LHR

Nonstop7h 40mBritish Airways

Deal found 19/11£542

Direct flights from London to O'Hare Intl
Explore direct flight options from London to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 November 2024.

Thu 5/1211:00LHR - ORD

Nonstop8h 55mMultiple Airlines

Sun 8/1218:30ORD - LHR

Nonstop7h 45mMultiple Airlines

Deal found 20/11£488

Wed 12/213:35LHR - ORD

Nonstop9h 25mLufthansa

Wed 19/217:50ORD - LHR

Nonstop8h 05mLufthansa

Deal found 19/11£500

Mon 17/210:25LHR - ORD

Nonstop9h 25mAustrian Airlines

Thu 27/221:10ORD - LHR

Nonstop8h 05mAustrian Airlines

Deal found 19/11£501

Mon 13/114:10LHR - ORD

Nonstop8h 50mBritish Airways

Mon 27/117:00ORD - LHR

Nonstop7h 50mBritish Airways

Deal found 20/11£504

Tue 7/111:55LHR - ORD

Nonstop8h 50mFinnair

Sun 12/118:35ORD - LHR

Nonstop7h 40mFinnair

Deal found 20/11£534

Wed 15/114:10LHR - ORD

Nonstop8h 50mAmerican Airlines

Fri 14/221:55ORD - LHR

Nonstop7h 45mAmerican Airlines

Deal found 19/11£536

Thu 5/1215:45LHR - ORD

Nonstop9h 00mIberia

Thu 12/1218:30ORD - LHR

Nonstop7h 45mIberia

Deal found 19/11£550

Wed 4/1210:25LHR - ORD

Nonstop9h 25mUnited Airlines

Fri 13/1217:50ORD - LHR

Nonstop8h 05mUnited Airlines

Deal found 20/11£570

Fri 13/1210:25LHR - ORD

Nonstop9h 25mBrussels Airlines

Fri 10/117:50ORD - LHR

Nonstop8h 05mBrussels Airlines

Deal found 19/11£643

Last-minute flights from London to O'Hare Intl
Discover last-minute flight deals from London to O'Hare Intl. Data last updated 20 November 2024 and is based on user searches.

Sat 23/1114:30LHR - ORD

1 stop26h 24mUnited Airlines

Mon 25/1110:51ORD - LHR

1 stop13h 29mUnited Airlines

Deal found 19/11£494

Mon 25/1120:40LHR - ORD

1 stop26h 40mIcelandair

Mon 2/1218:30ORD - LHR

1 stop19h 00mIcelandair

Deal found 18/11£482

Mon 25/1112:00LGW - ORD

2 stops28h 41mMultiple Airlines

Thu 5/1220:02ORD - LGW

1 stop31h 58mMultiple Airlines

Deal found 19/11£553

Tue 26/1109:50LHR - ORD

1 stop14h 05mAer Lingus

Mon 13/121:00ORD - LHR

1 stop10h 25mAer Lingus

Deal found 19/11£458

Tue 26/1111:55LGW - ORD

1 stop11h 25mIcelandair

Mon 13/118:30ORD - LGW

1 stop10h 25mIcelandair

Deal found 19/11£471

Tue 26/1118:30LHR - ORD

1 stop27h 00mTAP AIR PORTUGAL

Sun 1/1220:25ORD - LHR

1 stop15h 05mTAP AIR PORTUGAL

Deal found 19/11£477

Tue 26/1117:00LHR - ORD

1 stop28h 50mScandinavian Airlines

Mon 13/119:10ORD - LHR

2 stops15h 15mScandinavian Airlines

Deal found 19/11£501

Tue 26/1111:25LHR - ORD

1 stop33h 05mFinnair

Tue 3/1208:35ORD - LHR

1 stop18h 05mFinnair

Deal found 20/11£520

Tue 26/1121:20LGW - ORD

2 stops24h 10mTAP AIR PORTUGAL

Sun 1/1220:25ORD - LGW

1 stop13h 20mTAP AIR PORTUGAL

Deal found 19/11£546

Tue 26/1106:30STN - ORD

1 stop13h 30mMultiple Airlines

Sun 1/1219:40ORD - STN

1 stop16h 40mMultiple Airlines

Deal found 19/11£587

Tue 26/1109:00LTN - ORD

1 stop14h 55mMultiple Airlines

Tue 3/1215:55ORD - LTN

1 stop11h 50mMultiple Airlines

Deal found 20/11£599

Wed 27/1106:50LHR - ORD

1 stop11h 25mLufthansa

Sat 30/1116:00ORD - LHR

1 stop32h 30mLufthansa

Deal found 19/11£478

One-way flights from London to O'Hare Intl
Search for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 20 November 2024.

Tue 3/1218:15LGW - ORD

2 stops32h 55mMultiple Airlines

Deal found 19/11£419

Fri 6/1211:00STN - ORD

1 stop12h 20mMultiple Airlines

Deal found 19/11£419

Sun 8/1220:40LHR - ORD

1 stop26h 40mIcelandair

Deal found 19/11£420

Sat 18/121:40LTN - ORD

3 stops25h 40mMultiple Airlines

Deal found 18/11£420

Sat 14/1220:40LHR - ORD

3 stops49h 03mMultiple Airlines

Deal found 19/11£422

Mon 10/218:05LCY - ORD

1 stop31h 10mAer Lingus

Deal found 19/11£424

Thu 6/206:50LCY - ORD

2 stops16h 30mMultiple Airlines

Deal found 20/11£426

Thu 6/216:30LHR - ORD

1 stop29h 00mTAP AIR PORTUGAL

Deal found 20/11£428

Fri 6/1208:50LHR - ORD

1 stop11h 10mAer Lingus

Deal found 19/11£432

Sun 24/1110:50LHR - ORD

1 stop13h 56mVirgin Atlantic

Deal found 19/11£440

Sun 24/1113:45LCY - ORD

2 stops16h 14mVirgin Atlantic

Deal found 19/11£444

Sun 24/1111:55LGW - ORD

1 stop11h 25mIcelandair

Deal found 19/11£446

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

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 5/12

15:55-15:30

1 stop29h 35m

Chicago O'Hare Intl

Sun 8/12

20:25-15:45

1 stop13h 20m

£444

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 5/12

18:30-15:30

1 stop27h 00m

Chicago O'Hare Intl

Sun 8/12

20:25-17:30

1 stop15h 05m

£444

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 13/1

06:40-15:50

1 stop15h 10m

Chicago O'Hare Intl

Mon 27/1

19:10-17:00

2 stops15h 50m

£446

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Fri 7/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Thu 24/4

19:30-14:40

1 stop13h 10m

£447

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 18/3

07:00-15:30

1 stop13h 30m

Chicago O'Hare Intl

Mon 24/3

16:50-10:15

1 stop12h 25m

£448

LondonChicago

LTN - ORD

LTNORD

London Luton

Thu 16/1

07:05-17:20

2 stops16h 15m

Chicago O'Hare Intl

Wed 22/1

18:30-21:40

2 stops21h 10m

£449

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/12

07:50-14:00

1 stop12h 10m

Chicago O'Hare Intl

Sun 8/12

15:55-09:05

1 stop11h 10m

£455

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 16/1

14:00-12:39

2 stops28h 39m

Chicago O'Hare Intl

Wed 22/1

07:00-06:00

1 stop17h 00m

£455

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 13/1

06:20-17:20

2 stops17h 00m

Chicago O'Hare Intl

Mon 27/1

18:30-18:20

2 stops17h 50m

£462

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 11/12

20:40-17:20

1 stop26h 40m

Chicago O'Hare Intl

Tue 17/12

18:30-19:30

1 stop19h 00m

£476

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 60 results

...

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?

The best time to book flights from London to Chicago O'Hare Intl Airport is 73 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 £598). Flying from London to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £774). 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?

It’s typically best to fly out from London to Chicago O'Hare Intl Airport at midday. Doing so could potentially save you 4% 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?

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 evenings 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

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

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

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 a feel of what it's like to fly with Aer Lingus, Virgin Atlantic and Air Canada 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.

Delta

8.0

Very Good

8,758 reviews

Check prices

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

8,758 reviews

Delta

8.0

Very Good

8,758 reviews

Check prices

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

1,350 reviews

Delta

8.0

Very Good

8,758 reviews

Check prices

Reviews

1 / 10

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

Finnair

7.7

Good

1,300 reviews

Delta

8.0

Very Good

8,758 reviews

Check prices

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

1,166 reviews

Delta

8.0

Very Good

8,758 reviews

Check prices

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

805 reviews

Delta

8.0

Very Good

8,758 reviews

Check prices

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

What are the cheapest airlines flying from London to Chicago O'Hare Intl Airport round-trip?
Flying on TAP AIR PORTUGAL is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at £444. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Icelandair, with the lowest prices starting at £446 and £447, respectively. You may be able to fly from London to Chicago O'Hare Intl Airport for 20% 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 Icelandair. According to our data, you can fly for as low as £420. Users have also found prices from £424 and £428 on Aer Lingus and TAP AIR PORTUGAL, respectively.
What are the most popular routes from London to Chicago O'Hare Intl Airport?
When deciding which route to take from London to Chicago O'Hare Intl Airport consider London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl or London City - Chicago O'Hare Intl as they are the most popular.
What are the most reliable airlines from London to Chicago O'Hare Intl Airport?
Consider Malaysia Airlines (89%), Air Canada (84%) or Austrian Airlines (84%) 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 £512. On average you can expect to pay £1,408. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £369.
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 £598). Flying from London to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £774). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from London to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£335	Average£502	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Scandinavian Airlines	Cheapest£375	Average£509	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£386	Average£554	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£396	Average£506	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£424	Average£564	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£429	Average£572	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£449	Average£618	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£450	Average£595	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Austrian Airlines	Cheapest£455	Average£599	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Finnair	Cheapest£458	Average£600	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

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Cheapflights helps you search for flights from London to O'Hare Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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Cheap flights from London to Chicago O'Hare Intl Airport from £419

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from London to Chicago O'Hare Intl are usually found in February or January, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from London to O'Hare Intl

Round-trip from

One-way from

Popular in

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Cheapest flights from London to O'Hare IntlExplore 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 20 November 2024.

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 20 November 2024.

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

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.

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 15 November 2024.

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

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 20 November 2024.

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 18 November 2024.

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 20 November 2024.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with Aer Lingus, Virgin Atlantic and Air Canada 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.

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?

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

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?

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

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

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

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

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

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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 20 November 2024.

Top 10 airlines flying from London to O'Hare Intl

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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 20 November 2024.