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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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$552
(Norse)

One-way from

$226
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$671

Good round-trip deal

$677 or less

Good one-way deal

$495 or less
Provider with most accurate pricing for Chicago (CHI)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-London (LON) flights.
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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. 17% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This oojo deal was found by Cheapflights users on 4/17. 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.
Wed 8/204:56 pmORD - INV
2 stops15h 39mBritish Airways
Wed 8/273:40 pmINV - ORD
2 stops27h 50mBritish Airways
Deal found 4/17$541
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:15 pmORD - INV
1 stop11h 20mAmerican Airlines
Wed 8/273:40 pmINV - ORD
1 stop29h 25mAmerican Airlines
Deal found 4/17$543
This Travelocity deal was found by Cheapflights users on 4/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:35 pmORD - BHX
1 stop17h 30mSWISS
Mon 5/126:50 pmBHX - ORD
1 stop23h 20mSWISS
Deal found 4/17$564
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:35 pmORD - BHX
1 stop17h 30mMultiple Airlines
Mon 5/126:50 pmBHX - ORD
2 stops30h 40mMultiple Airlines
Deal found 4/17$571
This oojo deal was found by Cheapflights users on 4/16. 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.
Tue 8/57:25 pmORD - LHR
1 stop10h 30mIcelandair
Tue 8/199:25 pmLHR - ORD
1 stop29h 50mIcelandair
Deal found 4/16$573
This Air France deal was found by Cheapflights users on 4/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:35 pmORD - INV
2 stops15h 05mMultiple Airlines
Wed 8/276:25 amINV - ORD
1 stop14h 15mMultiple Airlines
Deal found 4/16$574
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:47 pmORD - LGW
3 stops33h 58mMultiple Airlines
Tue 5/132:00 pmLGW - ORD
2 stops24h 50mMultiple Airlines
Deal found 4/17$599
This Scandinavian Airlines deal was found by Cheapflights users on 4/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:15 pmORD - LHR
1 stop14h 45mScandinavian Airlines
Wed 10/15:00 pmLHR - ORD
1 stop29h 10mScandinavian Airlines
Deal found 4/16$600
This CrystalTravel deal was found by Cheapflights users on 4/17. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:15 pmORD - LGW
1 stop10h 20mIcelandair
Wed 9/173:40 pmLGW - ORD
1 stop11h 35mIcelandair
Deal found 4/17$600
This Travelocity deal was found by Cheapflights users on 4/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:00 pmORD - LHR
1 stop10h 35mAir Canada
Thu 8/149:30 amLHR - ORD
1 stop11h 21mAir Canada
Deal found 4/17$602
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sun 5/410:15 pmORD - MAN
1 stop31h 25mMultiple Airlines
Wed 5/711:20 amMAN - ORD
2 stops25h 22mMultiple Airlines
Deal found 4/16$603
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:08 pmORD - LHR
1 stop10h 22mMultiple Airlines
Wed 10/86:00 amLHR - ORD
1 stop12h 10mMultiple Airlines
Deal found 4/15$606

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 April 17, 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

ChicagoInverness

ORD - INV

ORDINV

Chicago O'Hare Intl

Mon 5/12

7:15 pm-3:00 pm

1 stop13h 45m

Inverness

Sun 5/25

8:55 pm-1:30 pm

2 stops46h 35m

$561

ChicagoBirmingham

ORD - BHX

ORDBHX

Chicago O'Hare Intl

Mon 4/28

6:35 pm-6:05 pm

1 stop17h 30m

Birmingham

Mon 5/12

6:50 pm-12:10 pm

1 stop23h 20m

$564

ChicagoBirmingham

ORD - BHX

ORDBHX

Chicago O'Hare Intl

Mon 4/28

6:35 pm-6:05 pm

1 stop17h 30m

Birmingham

Mon 5/12

6:50 pm-7:30 pm

2 stops30h 40m

$571

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 5/6

7:47 pm-11:45 am

3 stops33h 58m

London Gatwick

Tue 5/13

2:00 pm-8:50 am

2 stops24h 50m

$599

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/6

4:40 pm-10:20 am

1 stop11h 40m

London Heathrow

Thu 5/15

11:10 am-1:55 pm

Nonstop8h 45m

$600

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 9/1

10:15 pm-2:35 pm

1 stop10h 20m

London Gatwick

Wed 9/17

3:40 pm-9:15 pm

1 stop11h 35m

$600

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 4/22

9:40 am-10:00 am

2 stops18h 20m

London Heathrow

Tue 4/29

8:45 am-3:55 pm

1 stop13h 10m

$603

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/13

6:05 pm-8:20 am

Nonstop8h 15m

London Heathrow

Mon 5/19

1:45 pm-12:10 pm

1 stop28h 25m

$606

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/6

5:40 pm-7:20 am

Nonstop7h 40m

London Heathrow

Tue 5/13

9:15 am-11:45 am

Nonstop8h 30m

$608

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Tue 5/6

7:25 pm-11:40 am

1 stop10h 15m

Manchester

Tue 5/13

1:05 pm-6:15 pm

1 stop11h 10m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 $1,110). 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 April 17, 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 April 17, 2025.

The most flights from ORD to GB0 are scheduled on a Thursday (57 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (49 on average).

Rainfall in United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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 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 April 17, 2025.
Read through reviews of airlines operating flights from Chicago to United Kingdom, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 United Kingdom. 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 to fly from Chicago O'Hare Intl Airport to United Kingdom one-way?

    $226 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and Iberia, with prices starting from $277 and $379, respectively.

  • 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 Royal Jordanian (88%), Gulf Air (82%) and Malaysia Airlines (79%).

  • 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 $408. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $519 on average our data indicates $2,643 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 $1,110). 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.

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$257Average$695FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$381Average$595FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$467Average$899FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$468Average$654FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$506Average$774FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$516Average$757FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$543Average$798FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$554Average$938FlexibilityNo cancel feeOn-time67%
FinnairCheapest$559Average$724FlexibilityNo cancel feeOn-time76%
KLMCheapest$571Average$833FlexibilityNo cancel feeOn-time75%

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