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$226+ Cheap flights from O'Hare Intl (ORD) to the United Kingdom

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from O'Hare Intl to United Kingdom

Keep the following information in mind while searching for O'Hare Intl to United Kingdom flight deals. Data was last updated August 18, 2025.

Round-trip from

$505
(FlightHub)

One-way from

$226
(oojo)

Popular in

June

Cheapest in

February

Average price

$713

Good round-trip deal

$572 or less

Good one-way deal

$388 or less
From Chicago O'Hare Intl to United Kingdom
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One-way flight from Chicago O'Hare Intl to United Kingdom
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Highest demand for flights based on searches. 21% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to United Kingdom.
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Price to beat on a one-way flight from Chicago O'Hare Intl to United Kingdom.
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Find flight deals from O'Hare Intl to United Kingdom

Cheapest flights from O'Hare Intl to United Kingdom
Explore the most affordable flight options available from O'Hare Intl to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This oojo deal was found by Cheapflights users on 8/17. 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.
Mon 9/227:25 pmORD - LHR
1 stop18h 55mIcelandair
Tue 9/309:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 8/17$506
This oojo deal was found by Cheapflights users on 8/16. 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.
Fri 9/57:25 pmORD - LGW
1 stop13h 15mIcelandair
Fri 9/123:40 pmLGW - ORD
1 stop11h 35mIcelandair
Deal found 8/16$506
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Fri 9/57:25 pmORD - LHR
1 stop10h 30mIcelandair
Thu 9/119:25 pmLHR - ORD
1 stop29h 50mIcelandair
Deal found 8/16$507
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 12/36:30 pmORD - LTN
1 stop13h 00mMultiple Airlines
Sun 12/76:00 amLTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 8/16$507
This Flightnetwork deal was found by Cheapflights users on 8/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:15 pmORD - LHR
1 stop16h 05mIcelandair
Tue 9/99:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 8/16$508
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 12/16:30 pmORD - LTN
1 stop13h 30mMultiple Airlines
Sun 12/146:00 amLTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 8/18$509
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Wed 9/37:25 pmORD - LGW
1 stop10h 20mIcelandair
Thu 9/113:40 pmLGW - ORD
1 stop11h 35mIcelandair
Deal found 8/17$509
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Thu 10/308:50 pmORD - STN
3 stops21h 30mMultiple Airlines
Fri 11/71:30 pmSTN - ORD
3 stops33h 15mMultiple Airlines
Deal found 8/15$509
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Fri 10/105:50 amORD - LGW
2 stops22h 10mMultiple Airlines
Tue 10/142:00 pmLGW - ORD
1 stop31h 08mMultiple Airlines
Deal found 8/16$510
This oojo deal was found by Cheapflights users on 8/17. 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.
Thu 9/47:25 pmORD - LHR
1 stop10h 30mIcelandair
Tue 9/99:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 8/17$511
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Thu 9/410:15 pmORD - LGW
1 stop31h 30mIcelandair
Tue 9/91:00 pmLGW - ORD
1 stop11h 15mIcelandair
Deal found 8/17$511
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Thu 10/28:49 pmORD - LGW
1 stop31h 11mMultiple Airlines
Wed 10/153:30 pmLGW - ORD
2 stops27h 05mMultiple Airlines
Deal found 8/17$512

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to United Kingdom 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 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to the United Kingdom that are best for you.

Fly from

O'Hare Intl

Fly to

United Kingdom

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 12/3

6:30 pm-1:30 pm

1 stop13h 00m

London Luton

Sun 12/7

6:00 am-5:20 pm

1 stop17h 20m

$507

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 12/2

6:30 pm-2:25 pm

1 stop13h 55m

London Luton

Sun 12/7

6:00 am-5:20 pm

1 stop17h 20m

$509

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 12/1

6:30 pm-2:00 pm

1 stop13h 30m

London Luton

Sun 12/14

6:00 am-5:20 pm

1 stop17h 20m

$509

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 10/30

8:50 pm-11:20 pm

3 stops21h 30m

London Stansted

Fri 11/7

1:30 pm-4:45 pm

3 stops33h 15m

$509

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 11/12

7:10 pm-7:40 pm

2 stops18h 30m

London Stansted

Tue 11/18

8:25 pm-3:00 pm

2 stops24h 35m

$509

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 11/12

6:30 pm-1:30 pm

1 stop13h 00m

London Luton

Wed 11/19

7:30 am-5:20 pm

1 stop15h 50m

$510

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 1/27

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 2/6

11:55 am-5:20 pm

1 stop11h 25m

$519

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 2/6

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Sun 2/8

11:55 am-5:20 pm

1 stop11h 25m

$519

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 11/3

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Mon 11/10

11:55 am-5:20 pm

1 stop11h 25m

$519

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 11/4

6:30 pm-10:55 am

1 stop10h 25m

London Gatwick

Fri 11/14

11:55 am-5:20 pm

1 stop11h 25m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to the United Kingdom

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

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to United Kingdom (average of $661). Flying from Chicago O'Hare Intl Airport to United Kingdom in June 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 ORD to GB?

Find hourly flight availability from O'Hare Intl to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from Chicago O'Hare Intl Airport to United Kingdom, 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 Chicago O'Hare Intl Airport to United Kingdom

Explore weekly flight availability from O'Hare Intl to United Kingdom. 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 August 18, 2025.

The most flights from ORD to GB0 are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (51 on average).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Icelandair from Chicago O'Hare Intl Airport to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
527 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,884 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,277 reviews
United Airlines
7.4
Good
8,925 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Icelandair, Scandinavian Airlines, and SWISS can get you from Chicago O'Hare Intl Airport to United Kingdom in just under 10h 25m. Your travel time can differ by up to 5h 45m. Chicago O'Hare Intl Airport and United Kingdom are separated by a distance of 3960 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from Chicago O'Hare Intl Airport to United Kingdom is Chicago O'Hare Intl - London Heathrow. You may also consider Chicago O'Hare Intl - London Gatwick or Chicago O'Hare Intl - London City.

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

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to United Kingdom are Air Canada (63%), Austrian Airlines (63%) and United Airlines (63%).

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

    Looking at all options, your cheapest flight can be booked for $372. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $371 on average our data indicates $2,504 when flying from Chicago O'Hare Intl Airport to United Kingdom.

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

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

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

    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 United Kingdom.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to United Kingdom (average of $661). Flying from Chicago O'Hare Intl Airport to United Kingdom in June 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

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Alternative routes for O'Hare Intl to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from O'Hare Intl to United Kingdom

Discover the top 10 airlines that operate flights from O'Hare Intl to United Kingdom. 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 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$787FlexibilityNo cancel feeOn-time62%
SWISSCheapest$257Average$671FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$338Average$591FlexibilityNo cancel feeOn-time77%
DeltaCheapest$345Average$1,041FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$400Average$939FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$469Average$657FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$502Average$790FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$508Average$797FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$531Average$808FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$568Average$747FlexibilityNo cancel feeOn-time76%

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