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Cheap flights from the United Kingdom to Chicago O'Hare Intl Airport from £270

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from United Kingdom to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to O'Hare Intl
Explore the most affordable flight options available from United Kingdom to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Thu 13/1106:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Sun 23/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 29/10£404
Wed 26/1106:50LTN - ORD
2 stops16h 30mMultiple Airlines
Wed 3/1218:30ORD - LTN
2 stops22h 35mMultiple Airlines
Deal found 29/10£404
Wed 26/1106:30STN - ORD
2 stops16h 50mMultiple Airlines
Wed 3/1218:30ORD - STN
2 stops22h 20mMultiple Airlines
Deal found 29/10£404
Thu 4/1208:50LGW - ORD
2 stops14h 30mMultiple Airlines
Mon 8/1218:30ORD - LGW
2 stops20h 30mMultiple Airlines
Deal found 29/10£405
Fri 14/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Sun 30/1119:20ORD - LHR
2 stops15h 05mScandinavian Airlines
Deal found 30/10£405
Wed 19/1120:55STN - ORD
2 stops29h 10mMultiple Airlines
Sun 30/1116:20ORD - STN
2 stops22h 35mMultiple Airlines
Deal found 30/10£405
Fri 12/1206:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Wed 7/119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 30/10£406
Tue 4/1121:20STN - ORD
2 stops21h 50mMultiple Airlines
Wed 12/1116:20ORD - STN
2 stops22h 35mMultiple Airlines
Deal found 28/10£406
Mon 17/1114:00LGW - ORD
2 stops34h 34mMultiple Airlines
Fri 6/210:18ORD - LGW
1 stop17h 42mMultiple Airlines
Deal found 30/10£407
Fri 14/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Sat 22/1119:20ORD - LHR
1 stop17h 10mScandinavian Airlines
Deal found 29/10£407
Wed 26/1108:40BHX - ORD
2 stops14h 40mMultiple Airlines
Wed 3/1218:30ORD - BHX
2 stops13h 30mMultiple Airlines
Deal found 28/10£408
Thu 13/1121:05LHR - ORD
2 stops25h 40mScandinavian Airlines
Sun 16/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 30/10£408

Cheap flight deals from United Kingdom to O'Hare Intl

Keep the following information in mind while searching for United Kingdom to O'Hare Intl flight deals. Data was last updated 31 October 2025.

Round-trip from

£404

One-way from

£270

Popular in

July

Cheapest in

February

Average price

£555

Good round-trip deal

£563 or less

Good one-way deal

£457 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/11-11/12
  • 2 total stops
  • 32h 25m total
  • United Kingdom to Chicago
Search Deals
7/12
  • 7/12
  • 3 total stops
  • 37h 47m total
  • United Kingdom to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from United Kingdom to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to O'Hare Intl 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 858,174 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from the United Kingdom to Chicago O'Hare Intl Airport that are best for you.

Fly from

United Kingdom

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 4/12

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

Mon 8/12

18:30-21:20

2 stops20h 50m

£404

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 26/11

08:40-17:20

2 stops14h 40m

Chicago O'Hare Intl

Wed 3/12

18:30-14:00

2 stops13h 30m

£408

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 21/1

19:50-16:45

2 stops26h 55m

Chicago O'Hare Intl

Sat 24/1

19:20-18:50

2 stops17h 30m

£411

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Thu 5/3

19:10-16:55

1 stop27h 45m

Chicago O'Hare Intl

Mon 9/3

20:20-18:30

1 stop17h 10m

£413

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 21/1

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Sat 24/1

19:20-18:30

1 stop17h 10m

£413

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 27/11

10:20-16:45

1 stop12h 25m

Chicago O'Hare Intl

Mon 29/12

19:20-09:35

2 stops32h 15m

£416

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 24/11

14:00-23:06

1 stop15h 06m

Chicago O'Hare Intl

Fri 28/11

06:48-10:00

1 stop21h 12m

£424

LondonChicago

LTN - ORD

LTNORD

London Luton

Sun 14/12

08:05-14:00

1 stop11h 55m

Chicago O'Hare Intl

Sun 21/12

19:40-11:45

1 stop10h 05m

£426

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 18/11

12:55-16:45

2 stops33h 50m

Chicago O'Hare Intl

Mon 1/12

19:20-17:55

2 stops16h 35m

£426

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 12/11

21:05-16:45

2 stops25h 40m

Chicago O'Hare Intl

Wed 19/11

19:20-16:00

1 stop14h 40m

£426

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from United Kingdom with our price prediction graph.
Estimated return 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 the United Kingdom to Chicago O'Hare Intl Airport

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

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of £155). Flying from United Kingdom to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £475). 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 GB to ORD?

Find hourly flight availability from United Kingdom to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2025.

One of the essential ways to save on airfare from United Kingdom to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 3% on airfare.

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

Use this chart to determine the cheapest time to fly return from United Kingdom to O'Hare Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 31 October 2025.
Get a feel of what it's like to fly with Finnair, Aer Lingus, andIcelandair from the United Kingdom to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,333 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Aer Lingus
7.2
Good
1,365 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.1
Good
562 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,542 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,487 reviews
Finnair
7.6
Good
1,333 reviews
Check prices

Crew

8.1

Comfort

7.4

Food

6.7

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to O'Hare Intl. 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 United Kingdom to Chicago O'Hare Intl Airport?

    There are many flights that can get you from United Kingdom to Chicago O'Hare Intl Airport in 11h 25m. Fly via Scandinavian Airlines, Icelandair, or SWISS to get the fastest option. Airlines will cover a distance of 3960 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as £401. However, be on the lookout for offers from British Airways and Austrian Airlines, as they are both options that can get you from United Kingdom to Chicago O'Hare Intl Airport for a low price.

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

    Most travelers choose London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl or London City - Chicago O'Hare Intl when deciding on the best route from United Kingdom to Chicago O'Hare Intl Airport.

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

    No one likes to see their flight delayed. When booking a flight from United Kingdom to Chicago O'Hare Intl Airport consider choosing Air Canada (84%), Austrian Airlines (84%) or United Airlines (84%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from United Kingdom to Chicago O'Hare Intl Airport is generally £1,266, our data shows the cheapest flight currently is £369. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £379 for that flight.

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of £155). Flying from United Kingdom to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £475). 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

Travelling 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
Downers Grove
Elk Grove Village

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Alternative routes for United Kingdom to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Midway flights
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Gatwick to Midway flights
Manchester to O'Hare Intl flights
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Manchester to Midway flights
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Southend to O'Hare Intl flights
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London City to Midway flights
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Glasgow Intl to Midway flights
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Dublin to Midway flights
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Leeds to Midway flights
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Vienna to O'Hare Intl flights
Prague to O'Hare Intl flights

Top 10 airlines flying from United Kingdom to O'Hare Intl

Discover the top 10 airlines that operate flights from United Kingdom to O'Hare Intl. 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 858,174 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£320Average£566FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£351Average£612FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£362Average£474FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£375Average£628FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£377Average£696FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£386Average£560FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£393Average£552FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LufthansaCheapest£404Average£637FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest£412Average£614FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£416Average£617FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from United Kingdom to O'Hare Intl?

When you search for this flight from United Kingdom to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to O'Hare Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to O'Hare Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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