O'Hare Intl

$553+ Cheap flights from London (LON) to O'Hare Intl (ORD)

LON — ORD
Dec 4 — Dec 111
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1. Tell us where you want to go

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Cheapflights Tip: 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 Friday or Tuesday and return on a Tuesday

Cheap flight deals from London to O'Hare Intl

Cheapest flights from London to O'Hare Intl

Fri 11/209:35 pm -
2 stops47h 55m
Sun 12/68:10 pm -
1 stop13h 35m
Deal found 11/2$695
Thu 12/37:05 am -
2 stops15h 40m
Mon 2/157:10 pm -
2 stops20h 25m
Deal found 11/3$695
Sun 12/136:20 am -
1 stop15h 10m
Tue 1/126:30 pm -
2 stops17h 35m
Deal found 10/31$695
Sun 11/227:45 am -
2 stops15h 35m
Thu 12/36:30 pm -
2 stops20h 45m
Deal found 10/31$696
Fri 11/133:40 pm -
Nonstop9h 05m
Wed 12/99:50 pm -
Nonstop7h 45m
Deal found 10/30$696
Wed 11/257:30 am -
2 stops15h 50m
Mon 12/76:30 pm -
2 stops17h 30m
Deal found 10/30$696
Sun 12/136:20 am -
1 stop15h 10m
Mon 1/116:30 pm -
2 stops31h 20m
Deal found 10/31$696
Mon 11/237:00 am -
2 stops16h 20m
Fri 11/276:30 pm -
2 stops19h 00m
Deal found 10/31$697
Sun 11/86:00 am -
1 stop15h 30m
Sun 11/158:10 pm -
1 stop19h 25m
Deal found 10/31$697
Sun 11/227:00 am -
2 stops16h 20m
Thu 12/36:30 pm -
2 stops21h 30m
Deal found 10/31$697
Wed 11/188:00 am -
2 stops15h 20m
Sun 11/226:30 pm -
2 stops19h 10m
Deal found 10/31$698
Mon 11/237:20 am -
2 stops16h 00m
Tue 12/16:30 pm -
2 stops21h 30m
Deal found 10/30$698

Find flight deals from London to O'Hare Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$695
(Justfly.com)

One-way from

$553
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$782

Good round-trip deal

$789 or less

Good one-way deal

$749 or less
Provider with most accurate pricing for London (LON)-Chicago O'Hare Intl flight deals.
Provider most trusted by Cheapflights users for London (LON)-Chicago O'Hare Intl flights.
From London (LON) to Chicago O'Hare Intl
One-way flight from London (LON) to Chicago O'Hare Intl
Highest demand for flights based on searches. 12% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London (LON) to Chicago O'Hare Intl.
Price to beat on a one-way flight from London (LON) to Chicago O'Hare Intl.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 12/30

5:00 am-9:20 pm

2 stops22h 20m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$555

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 11/18

9:35 am-3:30 pm

2 stops59h 55m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$575

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Wed 1/6

7:00 am-9:11 pm

2 stops20h 11m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$576

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 11/12

9:45 pm-5:20 pm

3 stops25h 35m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$576

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Fri 12/4

8:20 am-5:20 pm

2 stops15h 00m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$581

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sun 11/15

3:55 pm-5:20 pm

2 stops55h 25m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$599

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 12/9

6:55 am-5:20 pm

2 stops16h 25m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$605

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 12/24

10:35 am-12:56 am

1 stop20h 21m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$612

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Tue 12/1

7:05 am-5:20 pm

1 stop16h 15m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$612

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Sun 12/13

9:05 am-2:00 pm

1 stop34h 55m

Chicago O'Hare Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from London to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to O'Hare Intl in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 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 London-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 London-Chicago O'Hare Intl Airport 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 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 round-trip price

Cheapflights Insights

Everything you need to know about your flight from London to Chicago O'Hare Intl Airport

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

Currently, February is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $678). Flying from London to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $1,097). 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?

When flying from London to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from LON to ORD are scheduled on a Monday (40 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (30 on average).

How much does it cost to fly round-trip from London to Chicago O'Hare Intl Airport?

Airfare is typical for this route at the moment.
London to Chicago O'Hare Intl Airport flights typically cost between $691 and $897 in November.
The cheapest round-trip price found within the last 5 days was $695 on TAP AIR PORTUGAL (Nov 20-Dec 6).

How often are flights from London to Chicago delayed?

About 8% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 179 minutes.

What is the most punctual flight time for London to Chicago flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Chicago flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.

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 78 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.

The best insider tips for London to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your London to Chicago O'Hare Intl Airport trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on Iberia

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Ramsey Qubein

Ramsey Qubein

Expert on ORD and LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing O'Hare Intl

Peruse reviews from past customers who have flown with Aer Lingus,American Airlines, andIcelandair from London to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Overall

7.3

Boarding

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Food

6.7

Overall

7.3

Boarding

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Food

6.7

Overall

7.3

Boarding

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Food

6.7

Overall

7.3

Boarding

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Food

6.7

Overall

7.3

Boarding

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Food

6.7

Overall

7.3

Boarding

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

  • How long is the flight from London to Chicago O'Hare Intl Airport?

    Scandinavian Airlines, United Airlines, and Virgin Atlantic can get you from London to Chicago O'Hare Intl Airport in just under 16h 05m. Your travel time can differ by up to 37h 10m. The distance from London to Chicago O'Hare Intl Airport is about 3957 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from London to Chicago O'Hare Intl Airport round-trip from $421. Other airlines that can offer you cheap pricing are British Airways, from $583, and American Airlines, from $614. Users have found that Icelandair is 51% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $380 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from $462 and United Airlines from $500 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?

    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 London to Chicago O'Hare Intl Airport on time: Royal Jordanian (100%), SriLankan Airlines (91%), Air Canada (89%).

  • 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 $576. On average you can expect to pay $2,384. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for $558.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $678). Flying from London to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $1,097). 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Schaumburg
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Beloit
Elgin
Racine

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from London to O'Hare Intl

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$421Average$662FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$583Average$962FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$614Average$1,023FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$666Average$696FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$703Average$848FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$806Average$895FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$895Average$1,140FlexibilityNo cancel feeOn-time69%

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