Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Chicago O'Hare Intl Airport to London from £171

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LON
24 Dec — 31 Dec1
1 adult

The best prices from Chicago O'Hare Intl to London are usually found in February or October, booked 17 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from O'Hare Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to London (LON). 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 19 December 2024.

Round-trip from

£469

One-way from

£171

Popular in

June

Cheapest in

February

Average price

£719
12/1-21/1
  • 12/1-21/1
  • 4 total stops
  • 30h 35m total
  • Chicago to London
WestJet
  • WestJet
  • 17/3
  • 1 total stop
  • 15h 05m total
  • Chicago to London
High demand for flights, 18% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

Find flight deals from O'Hare Intl to London

Cheapest flights from O'Hare Intl to London
Explore the most affordable flight options available from O'Hare Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Mon 30/1221:40ORD - LHR
1 stop30h 00mUnited Airlines
Fri 10/114:30LHR - ORD
1 stop28h 41mUnited Airlines
Deal found 18/12£519
Mon 30/1219:10ORD - LHR
1 stop14h 50mScandinavian Airlines
Fri 10/115:35LHR - ORD
2 stops30h 15mScandinavian Airlines
Deal found 18/12£535
Sun 29/1210:30ORD - LHR
1 stop14h 20mVirgin Atlantic
Sun 19/106:30LHR - ORD
1 stop14h 00mVirgin Atlantic
Deal found 17/12£552
Sat 28/1220:35ORD - LHR
1 stop33h 30mBritish Airways
Fri 10/118:00LHR - ORD
1 stop22h 47mBritish Airways
Deal found 18/12£562
Sun 29/1218:25ORD - LHR
Nonstop7h 50mAmerican Airlines
Fri 10/108:40LHR - ORD
1 stop14h 12mAmerican Airlines
Deal found 18/12£663
Wed 18/1208:51ORD - LHR
1 stop15h 04mJetBlue
Thu 16/107:25LHR - ORD
1 stop14h 19mJetBlue
Deal found 17/12£682
Tue 24/1220:25ORD - LHR
1 stop28h 05mMultiple Airlines
Wed 29/106:00LHR - ORD
1 stop14h 05mMultiple Airlines
Deal found 18/12£696
Wed 25/1218:25ORD - LHR
Nonstop7h 50mFinnair
Thu 1/509:30LHR - ORD
1 stop14h 20mFinnair
Deal found 18/12£700
Fri 27/1220:20ORD - LGW
1 stop13h 25mTAP AIR PORTUGAL
Tue 29/416:25LGW - ORD
1 stop29h 45mTAP AIR PORTUGAL
Deal found 17/12£706
Tue 17/1219:05ORD - LGW
1 stop16h 45mSWISS
Tue 24/1218:45LGW - ORD
1 stop27h 30mSWISS
Deal found 16/12£715
Tue 24/1216:55ORD - LHR
1 stop10h 25mIberia
Tue 28/108:10LHR - ORD
2 stops17h 54mIberia
Deal found 17/12£717
Wed 25/1212:30ORD - LHR
1 stop12h 20mDelta
Tue 29/409:00LHR - ORD
1 stop12h 00mDelta
Deal found 18/12£719

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

Customise your flight search to find flights from O'Hare Intl to London 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 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 12/1

18:30-16:45

2 stops16h 15m

London Luton

Tue 21/1

09:00-17:20

2 stops14h 20m

£469

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 21/1

07:00-06:00

1 stop17h 00m

London Gatwick

Wed 12/2

13:00-21:33

1 stop14h 33m

£469

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 12/1

18:30-10:50

1 stop10h 20m

London Heathrow

Tue 10/6

13:05-18:15

1 stop11h 10m

£470

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 17/1

20:20-18:55

1 stop16h 35m

London Heathrow

Sun 19/1

06:00-15:30

1 stop15h 30m

£471

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 31/1

20:20-15:45

1 stop13h 25m

London Gatwick

Fri 7/2

21:30-15:30

2 stops48h 00m

£471

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 20/2

19:40-16:00

1 stop14h 20m

London Heathrow

Mon 24/2

10:20-17:50

1 stop13h 30m

£472

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 19/2

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 26/2

11:55-17:20

1 stop11h 25m

£473

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 11/3

17:45-11:45

1 stop13h 00m

London Stansted

Thu 20/3

06:00-15:30

1 stop14h 30m

£475

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 18/3

21:30-21:30

1 stop19h 00m

London Gatwick

Mon 31/3

14:00-09:50

1 stop25h 50m

£482

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 19/1

20:25-19:50

2 stops17h 25m

London Heathrow

Tue 21/1

09:50-15:30

2 stops35h 40m

£483

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from O'Hare Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from O'Hare Intl 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 O'Hare Intl to London

Get recent, data-driven insights about flights from O'Hare Intl to London including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to London. Price data was last updated on 13 December 2024.

The price you pay for your flight from Chicago O'Hare Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London (average of £112). Flying from Chicago O'Hare Intl Airport to London in July is currently the most expensive (average of £160). 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 ORD to LON?

Find hourly flight availability from O'Hare Intl to London. 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.

It’s typically best to fly out from Chicago O'Hare Intl Airport to London in the morning. Doing so could potentially save you 10% on the flight price compared to flying at midday, which is usually more expensive.

Weekly flight availability from Chicago O'Hare Intl Airport to London

Explore weekly flight availability from O'Hare Intl to London. 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.

The most flights from ORD to LON are scheduled on a Monday (40 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (32 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 19 December 2024.
Read through reviews of airlines operating flights from Chicago to London, such as British Airways, Scandinavian Airlines and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good
8,604 reviews
8.0
Very Good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,349 reviews
8.0
Very Good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.7
Good
1,285 reviews
8.0
Very Good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,129 reviews
8.0
Very Good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,605 reviews
8.0
Very Good
8,604 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to London. 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 Chicago O'Hare Intl Airport to London round-trip?

    According to our current data, Scandinavian Airlines (£470), TAP AIR PORTUGAL (£471), and Icelandair (£473) offers the cheapest pricing from Chicago O'Hare Intl Airport to London. Users have found that Scandinavian Airlines is 23% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £171. However, be on the lookout for offers from Icelandair and JetBlue, as they are both options that can get you from Chicago O'Hare Intl Airport to London for a low price.

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

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

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to London consider choosing Lufthansa (82%), Air Canada (77%) or Austrian Airlines (77%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to London? While on average our users pay £3,256, our data indicates the cheapest price to be £294. The most popular route (Chicago O'Hare Intl - London Heathrow), is priced around £380.

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

    Yes. In addition to deals on O'Hare Intl to London flights, Cheapflights offers holiday packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to London.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to London 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 Chicago O'Hare Intl Airport to London?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London (average of £112). Flying from Chicago O'Hare Intl Airport to London in July is currently the most expensive (average of £160). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from O'Hare Intl to London

Discover the top 8 airlines that operate flights from O'Hare Intl to London. 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 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£321Average£854FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£343Average£403FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
American AirlinesCheapest£405Average£792FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£454Average£731FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£469Average£678FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£492Average£679FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£519Average£686FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£533Average£696FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from O'Hare Intl to London, 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 O'Hare Intl to London?

Cheapflights helps you find that perfect flight to London from O'Hare Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to London from O'Hare Intl? 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 O'Hare Intl to London become cheaper?

Not ready to book yet? You can track prices for flights from O'Hare Intl to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.