London

$199+ Cheap flights from O'Hare Intl (ORD) to London (LON)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LON
Nov 25 — Dec 21
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The best prices from Chicago O'Hare Intl to London are usually found in February or October, booked 36 days in advance, depart on a Tuesday or Wednesday 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$595
(Kiwi.com)

One-way from

$199
(Combigo)
Provider with most accurate pricing for Chicago O'Hare Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-London (LON) flights.
High demand for flights, 30% potential price rise
Best time to find cheap flights, 17% potential price drop
From Chicago O'Hare Intl to London (LON)
One-way flight from Chicago O'Hare Intl to London (LON)

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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:43 amORD - LHR
2 stops19h 07mMultiple Airlines
Tue 12/1012:05 pmLHR - ORD
2 stops18h 29mMultiple Airlines
Deal found 11/19$599
This TAP AIR PORTUGAL deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/88:25 pmORD - LHR
1 stop19h 10mTAP AIR PORTUGAL
Tue 12/108:15 amLHR - ORD
2 stops31h 03mTAP AIR PORTUGAL
Deal found 11/18$600
This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:15 pmORD - LGW
1 stop13h 50mTAP AIR PORTUGAL
Fri 12/610:40 amLGW - ORD
2 stops27h 26mTAP AIR PORTUGAL
Deal found 11/19$600
This FlightHub deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/256:30 pmORD - LGW
1 stop10h 25mIcelandair
Thu 12/511:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 11/20$602
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:50 amORD - LGW
3 stops29h 15mMultiple Airlines
Wed 1/85:50 pmLGW - ORD
3 stops32h 05mMultiple Airlines
Deal found 11/20$604
This lol.travel deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:35 amORD - LHR
1 stop13h 35mAir Canada
Tue 12/106:50 amLHR - ORD
2 stops13h 55mAir Canada
Deal found 11/19$607
This Icelandair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:30 pmORD - LHR
1 stop10h 20mIcelandair
Wed 1/1512:15 pmLHR - ORD
1 stop11h 05mIcelandair
Deal found 11/19$609
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/45:50 pmORD - LHR
Nonstop8h 05mUnited Airlines
Tue 12/101:45 pmLHR - ORD
1 stop32h 30mUnited Airlines
Deal found 11/19$618
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:10 pmORD - STN
1 stop14h 45mMultiple Airlines
Mon 1/137:40 amSTN - ORD
1 stop14h 10mMultiple Airlines
Deal found 11/18$626
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/302:55 pmORD - LHR
1 stop11h 00mDelta
Wed 1/158:40 amLHR - ORD
1 stop11h 50mDelta
Deal found 11/19$628
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:20 amORD - LTN
2 stops25h 35mMultiple Airlines
Mon 12/96:35 pmLTN - ORD
3 stops31h 20mMultiple Airlines
Deal found 11/19$629
This Booking.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/45:00 pmORD - LHR
Nonstop7h 50mBritish Airways
Tue 12/103:45 pmLHR - ORD
Nonstop9h 00mBritish Airways
Deal found 11/19$631

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

Customize 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 1/20

7:10 pm-3:10 pm

1 stop14h 00m

London Heathrow

Mon 1/27

7:05 am-3:50 pm

1 stop14h 45m

$595

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 1/15

10:05 am-10:35 am

2 stops18h 30m

London Stansted

Mon 1/20

7:40 am-3:50 pm

1 stop14h 10m

$595

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 1/21

6:30 pm-10:50 am

1 stop10h 20m

London Heathrow

Tue 4/22

1:05 pm-6:20 pm

1 stop11h 15m

$596

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 1/24

8:20 pm-3:45 pm

1 stop13h 25m

London Gatwick

Tue 4/22

4:25 pm-4:10 pm

1 stop29h 45m

$596

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 3/6

7:10 pm-4:00 pm

1 stop14h 50m

London Heathrow

Wed 3/12

7:30 pm-4:50 pm

1 stop26h 20m

$597

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 1/13

12:17 pm-10:00 am

1 stop15h 43m

London Gatwick

Mon 1/20

12:00 pm-1:36 pm

2 stops31h 36m

$597

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 12/8

8:25 pm-9:35 pm

1 stop19h 10m

London Heathrow

Tue 12/10

8:15 am-9:18 am

2 stops31h 03m

$600

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 5/11

10:15 pm-2:40 pm

1 stop10h 25m

London Gatwick

Sun 5/25

3:40 pm-9:15 pm

1 stop11h 35m

$600

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 1/22

10:00 pm-11:40 am

Nonstop7h 40m

London Heathrow

Fri 1/31

6:25 am-2:30 pm

1 stop14h 05m

$602

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 2/12

8:30 pm-9:20 am

1 stop30h 50m

London Gatwick

Mon 2/17

6:00 am-6:35 pm

1 stop18h 35m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 59 results
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Compare providers for flights from O'Hare Intl to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to London in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
KAYAKPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago O'Hare Intl Airport-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from O'Hare Intl to London. Price data was last updated on November 15, 2024.

The best time to book flights from Chicago O'Hare Intl Airport to London is 36 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 Chicago O'Hare Intl Airport to London?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London (average of $648). Flying from Chicago O'Hare Intl Airport to London in June is currently the most expensive (average of $1,089). 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 November 20, 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 5% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to London. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to London flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 20, 2024.

The most flights from ORD to LON are scheduled on a Monday (38 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 November 20, 2024.
Read reviews from past customers who have flown Iberia, Air Canada and United Airlines from Chicago to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
8,756 reviews
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
1,350 reviews
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
1,300 reviews
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
1,165 reviews
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
805 reviews
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

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?

    Flying on Icelandair is currently your cheapest option to London, with prices starting at $596. Additional round-trip tickets that might be worth considering are offered by TAP AIR PORTUGAL and Scandinavian Airlines, with the lowest prices starting at $596 and $597, respectively. You may be able to fly from Chicago O'Hare Intl Airport to London for 22% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $201 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $299 and JetBlue from $343 one-way.

  • 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?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago O'Hare Intl Airport to London on time: Brussels Airlines (75%), Air Canada (74%), Austrian Airlines (74%).

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

    Looking at all options, your cheapest flight can be booked for $375. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $475 on average our data indicates $1,625 when flying from Chicago O'Hare Intl Airport to London.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to London?

  • What are some popular things to do or see while on a layover in Reykjavik?

    The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be accessed by traveling approximately 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $47 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Dublin?

    Dublin travelers tend to visit Molly Malone Statue, St. Patrick's Cathedral, and Dublin Castle more than any other notable places. Molly Malone Statue, St. Patrick's Cathedral and Dublin Castle are located about 5.8 mi, 6.1 mi, and 5.8 mi, respectively from Dublin if you are interested in checking them out. Travelers can rent a car at Dublin for an average daily rate of $18 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to London flights?

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London (average of $648). Flying from Chicago O'Hare Intl Airport to London in June is currently the most expensive (average of $1,089). 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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Top 10 airlines flying from O'Hare Intl to London

Discover the top 10 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$381Average$549FlexibilityNo cancel feeOn-time77%
DeltaCheapest$451Average$879FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$472Average$641FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$506Average$827FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$554Average$754FlexibilityNo cancel feeOn-time67%
FinnairCheapest$566Average$792FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$571Average$701FlexibilityNo cancel feeOn-time72%
SWISSCheapest$581Average$897FlexibilityNo cancel feeOn-time79%
IberiaCheapest$584Average$745FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$588Average$823FlexibilityNo cancel feeOn-time70%
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