HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$230+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to United Kingdom with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$409
(oojo)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$659

Good round-trip deal

$642 or less

Good one-way deal

$438 or less
From Chicago O'Hare Intl to United Kingdom
Search Deals
One-way flight from Chicago O'Hare Intl to United Kingdom
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to United Kingdom.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to United Kingdom.
Search Deals

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 September 15, 2025.

This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:25 pmORD - MAN
1 stop13h 50mTAP AIR PORTUGAL
Sat 11/155:10 pmMAN - ORD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 9/15$409
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/13. 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.
Sat 10/256:15 pmORD - MAN
1 stop18h 00mTAP AIR PORTUGAL
Sat 11/85:10 pmMAN - ORD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 9/13$433
This CrystalTravel deal was found by Cheapflights users on 9/14. 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.
Fri 12/56:30 pmORD - GLA
1 stop9h 25mIcelandair
Thu 12/1112:35 pmGLA - ORD
1 stop10h 45mIcelandair
Deal found 9/14$477
This CrystalTravel deal was found by Cheapflights users on 9/14. 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.
Sun 11/306:30 pmORD - MAN
1 stop10h 15mIcelandair
Thu 12/411:55 amMAN - ORD
1 stop11h 25mIcelandair
Deal found 9/14$484
This oojo deal was found by Cheapflights users on 9/14. 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 10/217:25 pmORD - GLA
1 stop12h 00mIcelandair
Thu 10/3012:35 pmGLA - ORD
1 stop10h 45mIcelandair
Deal found 9/14$490
This oojo deal was found by Cheapflights users on 9/14. 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.
Sun 10/1210:15 pmORD - GLA
1 stop9h 10mIcelandair
Thu 10/3012:35 pmGLA - ORD
1 stop10h 45mIcelandair
Deal found 9/14$491
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Tue 10/287:30 pmORD - GLA
1 stop9h 25mIcelandair
Sat 11/112:35 pmGLA - ORD
1 stop10h 45mIcelandair
Deal found 9/13$494
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/127:25 pmORD - GLA
1 stop12h 00mIcelandair
Sun 11/212:35 pmGLA - ORD
1 stop10h 45mIcelandair
Deal found 9/14$496
This oojo deal was found by Cheapflights users on 9/13. 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 12/46:30 pmORD - MAN
1 stop10h 15mIcelandair
Sun 12/711:55 amMAN - ORD
1 stop11h 25mIcelandair
Deal found 9/13$498
This oojo deal was found by Cheapflights users on 9/13. 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.
Sun 11/236:30 pmORD - MAN
1 stop10h 15mIcelandair
Mon 12/811:55 amMAN - ORD
1 stop11h 25mIcelandair
Deal found 9/13$500
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/287:30 pmORD - MAN
2 stops14h 45mMultiple Airlines
Tue 11/47:35 amMAN - ORD
2 stops15h 45mMultiple Airlines
Deal found 9/13$503
This Air Canada deal was found by Cheapflights users on 9/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:40 amORD - LHR
1 stop13h 50mAir Canada
Tue 11/49:00 amLHR - ORD
2 stops15h 39mAir Canada
Deal found 9/13$505

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 September 15, 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

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sat 10/25

6:15 pm-6:15 pm

1 stop18h 00m

Manchester

Sat 11/8

5:10 pm-2:45 pm

1 stop27h 35m

$433

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 11/30

6:30 pm-10:45 am

1 stop10h 15m

Manchester

Thu 12/4

11:55 am-5:20 pm

1 stop11h 25m

$484

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Thu 12/4

6:30 pm-10:45 am

1 stop10h 15m

Manchester

Sun 12/7

11:55 am-5:20 pm

1 stop11h 25m

$498

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 11/23

6:30 pm-10:45 am

1 stop10h 15m

Manchester

Mon 12/8

11:55 am-5:20 pm

1 stop11h 25m

$500

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 10/22

7:11 am-6:30 am

1 stop17h 19m

London Heathrow

Fri 10/31

6:50 am-1:10 pm

1 stop11h 20m

$507

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 11/28

6:30 pm-8:35 pm

2 stops20h 05m

London Stansted

Fri 12/5

5:55 am-5:20 pm

2 stops17h 25m

$507

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 11/4

6:25 pm-11:05 am

1 stop10h 40m

London Heathrow

Fri 11/14

11:10 am-6:25 pm

1 stop13h 15m

$507

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 12/4

7:20 pm-12:55 pm

2 stops59h 35m

London Heathrow

Mon 12/8

6:40 am-4:45 pm

1 stop16h 05m

$508

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 11/5

6:30 pm-11:05 pm

2 stops22h 35m

London Luton

Wed 11/12

6:50 am-5:20 pm

2 stops16h 30m

$509

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 12/3

6:30 pm-11:05 pm

2 stops22h 35m

London Luton

Tue 12/9

9:00 am-5:20 pm

2 stops14h 20m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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

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 September 15, 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 September 15, 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 (43 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 September 15, 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
8,929 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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
8,929 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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
544 reviews
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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
2,924 reviews
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

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?

    TAP AIR PORTUGAL, Icelandair, and United Airlines can get you from Chicago O'Hare Intl Airport to United Kingdom in just under 10h 15m. Your travel time can differ by up to 7h 45m. Chicago O'Hare Intl Airport and United Kingdom are separated by a distance of 3812 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $237 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and SWISS, with prices starting from $333 and $382, 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 Aer Lingus (64%), American Airlines (62%) and Air Canada (62%).

  • 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 $388. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $407 on average, our data indicates $2,490 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

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.

Alternative routes for O'Hare Intl to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Dublin flights
O'Hare Intl to Madrid flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Orly flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Athens flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to London City flights
O'Hare Intl to Amsterdam flights
O'Hare Intl to Lisbon flights
O'Hare Intl to Munich flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Zurich flights
Midway to Charles de Gaulle flights
Midway to Heathrow flights
Midway to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Krakow flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Vienna flights
O'Hare Intl to Stansted flights
Midway to Madrid flights
Midway to Dublin flights
O'Hare Intl to Luton flights
O'Hare Intl to Geneva flights
O'Hare Intl to Sabiha Gokcen flights
O'Hare Intl to Beauvais-Tille flights
O'Hare Intl to Edinburgh flights
Midway to Barcelona-El Prat flights
O'Hare Intl to Berlin flights
O'Hare Intl to Belgrade flights
Midway to Lisbon flights
Midway to Athens flights
O'Hare Intl to Linate flights
O'Hare Intl to Prague flights
O'Hare Intl to Rovaniemi flights
O'Hare Intl to Florence flights
Midway to Frederic Chopin flights
O'Hare Intl to Naples flights
Midway to Keflavik Intl flights
O'Hare Intl to Ciampino flights
O'Hare Intl to Katowice flights
O'Hare Intl to Duesseldorf Intl flights
O'Hare Intl to Budapest flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$787FlexibilityNo cancel feeOn-time62%
SWISSCheapest$257Average$626FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$338Average$606FlexibilityNo cancel feeOn-time77%
DeltaCheapest$345Average$1,021FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$430Average$940FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$450Average$734FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$472Average$656FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$502Average$791FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$531Average$819FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$547Average$750FlexibilityNo cancel feeOn-time76%

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.