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

Flying on Scandinavian Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at £457. Additional return tickets that might be worth considering are offered by Finnair and Lufthansa, with the lowest prices starting at £460 and £461, respectively. You may be able to fly from London to Chicago O'Hare Intl Airport for 19% 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 £379. Users have also found prices from £383 and £387 on Icelandair 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 £487. On average you can expect to pay £1,434. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £381.

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

Consider SWISS (89%), Air Canada (86%) or Austrian Airlines (86%) 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 Monday 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 45 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £539 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £610.

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 £552 per person but you can even find prices for as low as £355. The most expensive prices can be found in the month of August. Opting for a February flight can save you 25% 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.

£379+ Flights from London to Chicago O'Hare Intl Airport

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

Round-trip from	£457
One-way from	£379
Popular in	August
Cheapest in	February
Average price	£623

Scandinavian Airlines
16/1-31/1
4 total stops
48h 45m total
London to Chicago

Search Deals

Aer Lingus
12/5
1 total stop
13h 15m total
London to Chicago

Search Deals

High demand for flights, 9% potential price rise

Search Deals

Best time to find cheap flights, 2% potential price drop

Search Deals

Average for round-trip flights in December 2024

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 19 December 2024.

Tue 31/1212:25LHR - ORD

1 stop27h 45mIberia

Tue 28/118:35ORD - LHR

Nonstop7h 40mIberia

Deal found 18/12£462

Tue 31/1211:55LHR - ORD

Nonstop8h 50mFinnair

Tue 28/121:45ORD - LHR

Nonstop7h 45mFinnair

Deal found 18/12£468

Wed 25/1213:35LHR - ORD

Nonstop9h 25mUnited Airlines

Wed 29/119:05ORD - LHR

1 stop34h 10mUnited Airlines

Deal found 18/12£487

Wed 25/1215:00LHR - ORD

1 stop25h 54mAir Canada

Wed 29/109:50ORD - LHR

2 stops15h 20mAir Canada

Deal found 18/12£491

Thu 26/1214:50LHR - ORD

1 stop29h 15mAustrian Airlines

Wed 29/117:50ORD - LHR

Nonstop8h 05mAustrian Airlines

Deal found 18/12£498

Sun 29/1218:40LHR - ORD

1 stop27h 10mScandinavian Airlines

Sun 19/119:10ORD - LHR

1 stop20h 30mScandinavian Airlines

Deal found 17/12£502

Sat 28/1206:30LHR - ORD

1 stop14h 00mDelta

Thu 8/515:50ORD - LHR

1 stop14h 25mDelta

Deal found 18/12£528

Sat 28/1210:15LHR - ORD

1 stop12h 39mAmerican Airlines

Thu 8/517:55ORD - LHR

Nonstop7h 55mAmerican Airlines

Deal found 18/12£537

Mon 30/1214:30LHR - ORD

1 stop23h 35mMultiple Airlines

Mon 13/117:50ORD - LHR

Nonstop8h 05mMultiple Airlines

Deal found 19/12£551

Thu 26/1219:35LGW - ORD

1 stop24h 55mIberia

Wed 29/116:45ORD - LGW

1 stop11h 30mIberia

Deal found 18/12£558

Thu 26/1219:10LCY - ORD

1 stop27h 05mSWISS

Wed 29/119:05ORD - LCY

1 stop11h 45mSWISS

Deal found 18/12£562

Sat 28/1208:40LCY - ORD

1 stop11h 50mKLM

Thu 8/516:20ORD - LCY

1 stop10h 30mKLM

Deal found 18/12£573

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 19 December 2024.

Thu 16/113:55LHR - ORD

2 stops31h 55mScandinavian Airlines

Fri 31/119:40ORD - LHR

2 stops16h 50mScandinavian Airlines

Deal found 17/12£457

Sat 1/206:00LTN - ORD

2 stops17h 20mMultiple Airlines

Sat 8/218:30ORD - LTN

2 stops20h 25mMultiple Airlines

Deal found 18/12£458

Wed 12/217:05LHR - ORD

1 stop20h 25mFinnair

Wed 19/221:56ORD - LHR

Nonstop7h 44mFinnair

Deal found 18/12£460

Tue 14/107:30LHR - ORD

1 stop13h 45mLufthansa

Sat 18/120:40ORD - LHR

1 stop27h 50mLufthansa

Deal found 18/12£461

Mon 3/209:15LCY - ORD

1 stop13h 00mSWISS

Mon 17/219:05ORD - LCY

1 stop11h 45mSWISS

Deal found 18/12£461

Wed 23/415:40LGW - ORD

1 stop11h 35mIcelandair

Wed 30/419:30ORD - LGW

1 stop13h 10mIcelandair

Deal found 18/12£462

Mon 3/209:20LCY - ORD

1 stop11h 10mVirgin Atlantic

Wed 12/216:25ORD - LCY

1 stop11h 05mVirgin Atlantic

Deal found 18/12£462

Tue 31/1212:25LHR - ORD

1 stop27h 45mIberia

Tue 28/118:35ORD - LHR

Nonstop7h 40mIberia

Deal found 18/12£462

Fri 24/106:50LHR - ORD

2 stops13h 55mAir Canada

Mon 10/211:35ORD - LHR

1 stop13h 35mAir Canada

Deal found 18/12£468

Fri 17/121:30LGW - ORD

2 stops48h 00mTAP AIR PORTUGAL

Sun 26/120:25ORD - LGW

1 stop13h 20mTAP AIR PORTUGAL

Deal found 19/12£469

Sat 25/110:25LHR - ORD

Nonstop9h 25mAustrian Airlines

Sat 8/217:50ORD - LHR

Nonstop8h 05mAustrian Airlines

Deal found 18/12£469

Wed 22/111:55LHR - ORD

Nonstop8h 50mBritish Airways

Fri 16/522:55ORD - LHR

Nonstop7h 50mBritish Airways

Deal found 18/12£474

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 19 December 2024.

Tue 14/114:10LHR - ORD

Nonstop8h 50mFinnair

Sun 19/118:35ORD - LHR

Nonstop7h 40mFinnair

Deal found 18/12£468

Sat 25/110:25LHR - ORD

Nonstop9h 25mAustrian Airlines

Sat 8/217:50ORD - LHR

Nonstop8h 05mAustrian Airlines

Deal found 18/12£469

Fri 17/110:25LHR - ORD

Nonstop9h 25mMultiple Airlines

Fri 31/117:50ORD - LHR

Nonstop8h 05mMultiple Airlines

Deal found 18/12£472

Thu 23/111:55LHR - ORD

Nonstop8h 50mBritish Airways

Thu 15/517:00ORD - LHR

Nonstop7h 55mBritish Airways

Deal found 18/12£474

Sun 2/210:25LHR - ORD

Nonstop9h 25mUnited Airlines

Sun 9/217:50ORD - LHR

Nonstop8h 05mUnited Airlines

Deal found 19/12£502

Wed 15/110:25LHR - ORD

Nonstop9h 25mLufthansa

Wed 22/121:10ORD - LHR

Nonstop8h 05mLufthansa

Deal found 18/12£506

Mon 20/111:00LHR - ORD

Nonstop8h 55mIberia

Mon 3/217:00ORD - LHR

Nonstop7h 50mIberia

Deal found 18/12£521

Thu 16/114:10LHR - ORD

Nonstop8h 50mAmerican Airlines

Mon 20/118:35ORD - LHR

Nonstop7h 40mAmerican Airlines

Deal found 18/12£536

Mon 14/411:05LHR - ORD

Nonstop9h 05mBrussels Airlines

Sun 4/516:05ORD - LHR

Nonstop8h 15mBrussels Airlines

Deal found 17/12£593

Last-minute flights from London to O'Hare Intl
Discover last-minute flight deals from London to O'Hare Intl. Data last updated 19 December 2024 and is based on user searches.

Tue 24/1213:40LHR - ORD

1 stop31h 50mTAP AIR PORTUGAL

Wed 8/119:15ORD - LHR

1 stop16h 15mTAP AIR PORTUGAL

Deal found 18/12£614

Tue 24/1221:20LGW - ORD

2 stops24h 10mTAP AIR PORTUGAL

Wed 1/119:15ORD - LGW

1 stop13h 50mTAP AIR PORTUGAL

Deal found 18/12£653

Wed 25/1213:35LHR - ORD

Nonstop9h 25mUnited Airlines

Wed 29/119:05ORD - LHR

1 stop34h 10mUnited Airlines

Deal found 18/12£487

Wed 25/1215:00LHR - ORD

1 stop25h 54mAir Canada

Wed 29/109:50ORD - LHR

2 stops15h 20mAir Canada

Deal found 18/12£491

Wed 25/1218:45LGW - ORD

1 stop24h 10mSWISS

Wed 29/118:20ORD - LGW

2 stops17h 30mSWISS

Deal found 18/12£584

Thu 26/1214:50LHR - ORD

1 stop29h 15mAustrian Airlines

Wed 29/117:50ORD - LHR

Nonstop8h 05mAustrian Airlines

Deal found 18/12£498

Thu 26/1219:35LGW - ORD

1 stop24h 55mIberia

Wed 29/116:45ORD - LGW

1 stop11h 30mIberia

Deal found 18/12£558

Thu 26/1219:10LCY - ORD

1 stop27h 05mSWISS

Wed 29/119:05ORD - LCY

1 stop11h 45mSWISS

Deal found 18/12£562

Sat 28/1206:30LHR - ORD

1 stop14h 00mDelta

Thu 8/515:50ORD - LHR

1 stop14h 25mDelta

Deal found 18/12£528

Sat 28/1210:15LHR - ORD

1 stop12h 39mAmerican Airlines

Thu 8/517:55ORD - LHR

Nonstop7h 55mAmerican Airlines

Deal found 18/12£537

Sat 28/1208:40LCY - ORD

1 stop11h 50mKLM

Thu 8/516:20ORD - LCY

1 stop10h 30mKLM

Deal found 18/12£573

Sun 29/1218:40LHR - ORD

1 stop27h 10mScandinavian Airlines

Sun 19/119:10ORD - LHR

1 stop20h 30mScandinavian Airlines

Deal found 17/12£502

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 19 December 2024.

Mon 12/506:45LCY - ORD

1 stop13h 15mAer Lingus

Deal found 18/12£379

Sun 23/211:00STN - ORD

1 stop12h 20mMultiple Airlines

Deal found 18/12£379

Sun 12/119:55LGW - ORD

3 stops54h 18mMultiple Airlines

Deal found 17/12£379

Fri 17/115:15LHR - ORD

2 stops48h 19mMultiple Airlines

Deal found 18/12£379

Wed 8/117:00LTN - ORD

2 stops52h 50mMultiple Airlines

Deal found 18/12£379

Tue 14/108:50LHR - ORD

1 stop16h 25mAer Lingus

Deal found 18/12£380

Fri 24/112:15LHR - ORD

1 stop11h 05mIcelandair

Deal found 19/12£383

Thu 24/415:40LGW - ORD

1 stop32h 40mIcelandair

Deal found 18/12£383

Sat 22/219:55LHR - ORD

1 stop25h 35mTAP AIR PORTUGAL

Deal found 17/12£387

Fri 4/407:00SEN - ORD

3 stops44h 00mMultiple Airlines

Deal found 18/12£416

Tue 4/320:05LCY - ORD

1 stop24h 25mVirgin Atlantic

Deal found 18/12£431

Fri 24/107:00LCY - ORD

2 stops43h 00mMultiple Airlines

Deal found 18/12£433

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

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LCY - ORD

LCYORD

London City

Wed 12/2

10:00-21:15

2 stops17h 15m

Chicago O'Hare Intl

Wed 19/2

12:15-08:10

2 stops13h 55m

£457

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 16/1

13:55-15:50

2 stops31h 55m

Chicago O'Hare Intl

Fri 31/1

19:40-18:30

2 stops16h 50m

£457

LondonChicago

LTN - ORD

LTNORD

London Luton

Sat 1/2

06:00-17:20

2 stops17h 20m

Chicago O'Hare Intl

Sat 8/2

18:30-20:55

2 stops20h 25m

£458

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 16/1

06:00-18:55

2 stops18h 55m

Chicago O'Hare Intl

Thu 23/1

13:15-21:40

2 stops26h 25m

£459

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 16/1

06:50-10:54

2 stops34h 04m

Chicago O'Hare Intl

Thu 30/1

19:05-22:00

2 stops20h 55m

£459

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 12/2

17:05-07:30

1 stop20h 25m

Chicago O'Hare Intl

Wed 19/2

21:56-11:40

Nonstop7h 44m

£460

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 20/2

10:40-15:30

1 stop34h 50m

Chicago O'Hare Intl

Fri 21/2

20:20-15:45

1 stop13h 25m

£461

LondonChicago

LCY - ORD

LCYORD

London City

Mon 3/2

09:15-16:15

1 stop13h 00m

Chicago O'Hare Intl

Mon 17/2

19:05-12:50

1 stop11h 45m

£461

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 8/3

10:25-13:50

Nonstop9h 25m

Chicago O'Hare Intl

Wed 12/3

16:15-08:45

1 stop11h 30m

£461

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 23/4

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

Wed 30/4

19:30-14:40

1 stop13h 10m

£462

Flights are sorted by cheapest return flights first.

Deals found on 18/12

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 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?

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?

Travellers seeking maximum savings on their London to Chicago O'Hare Intl Airport flight should consider departing on Tuesday afternoons 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 (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 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 Icelandair, TAP AIR PORTUGAL and Virgin Atlantic 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

8,600 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

8,600 reviews

Delta

8.0

Very Good

8,600 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

1,349 reviews

Delta

8.0

Very Good

8,600 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

1,285 reviews

Delta

8.0

Very Good

8,600 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

1,129 reviews

Delta

8.0

Very Good

8,600 reviews

Check prices

Reviews

1 / 10

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

SWISS

7.6

Good

1,605 reviews

Delta

8.0

Very Good

8,600 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 Scandinavian Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at £457. Additional return tickets that might be worth considering are offered by Finnair and Lufthansa, with the lowest prices starting at £460 and £461, respectively. You may be able to fly from London to Chicago O'Hare Intl Airport for 19% 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 £379. Users have also found prices from £383 and £387 on Icelandair 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 SWISS (89%), Air Canada (86%) or Austrian Airlines (86%) 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 £487. On average you can expect to pay £1,434. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £381.
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.

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£334	Average£511	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Scandinavian Airlines	Cheapest£378	Average£509	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£384	Average£568	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£405	Average£544	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£423	Average£567	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£439	Average£585	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Aer Lingus	Cheapest£448	Average£595	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Finnair	Cheapest£468	Average£608	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£471	Average£642	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	Cheapest£476	Average£644	FlexibilityNo cancel fee	On-time71%	Search American Airlines 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.

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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.

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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 £379

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 12/5. 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 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

Round-trip from

One-way from

Popular in

Cheapest 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 19 December 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 19 December 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 13 December 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 19 December 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 16 December 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 19 December 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 Icelandair, TAP AIR PORTUGAL and Virgin Atlantic 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 19 December 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 19 December 2024.