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 3812 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 JetBlue, with whom users have recently found tickets for as low as £312. However, be on the lookout for offers from Aer Lingus and United Airlines, as they are both options that can get you from United Kingdom to Chicago O'Hare Intl Airport for a low price.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 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 £1,755, our data shows the cheapest flight currently is £416. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £279 for that flight.

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 (88%), Austrian Airlines (88%) or United Airlines (88%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from United Kingdom to Chicago O'Hare Intl Airport?

British Airways, Aer Lingus and Icelandair are the most popular airlines when flying from United Kingdom to Chicago O'Hare Intl Airport.

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.

£281+ Cheap Flights from the United Kingdom to Chicago O'Hare Intl Airport

Cheap flight deals from United Kingdom to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 22 September 2026.

Mon 2/1119:10 -

1 stop27h 35m

Tue 10/1119:15 -

1 stop17h 15m

Deal found 19/9£327

Wed 25/1119:10 -

1 stop27h 35m

Mon 30/1119:15 -

1 stop17h 10m

Deal found 20/9£333

Tue 17/1119:10 -

1 stop27h 35m

Tue 24/1119:15 -

1 stop17h 15m

Deal found 18/9£333

Mon 2/1119:10 -

1 stop27h 35m

Mon 9/1119:15 -

1 stop17h 10m

Deal found 19/9£335

Tue 3/1119:10 -

1 stop27h 35m

Tue 10/1119:15 -

1 stop17h 15m

Deal found 19/9£336

Wed 11/1119:10 -

1 stop27h 35m

Sat 14/1119:15 -

1 stop17h 15m

Deal found 20/9£338

Tue 3/1119:10 -

1 stop27h 35m

Wed 11/1119:15 -

1 stop17h 15m

Deal found 19/9£340

Mon 2/1119:10 -

1 stop27h 35m

Wed 11/1119:15 -

1 stop17h 15m

Deal found 19/9£342

Thu 19/1119:10 -

1 stop27h 35m

Thu 26/1119:15 -

1 stop17h 15m

Deal found 17/9£344

Sun 1/1119:10 -

1 stop27h 35m

Sun 8/1119:15 -

1 stop17h 15m

Deal found 19/9£348

Wed 25/1119:10 -

1 stop27h 35m

Sun 29/1119:15 -

1 stop17h 15m

Deal found 17/9£359

Wed 4/1119:10 -

1 stop27h 35m

Tue 10/1119:15 -

1 stop17h 15m

Deal found 19/9£360

Best flights from United Kingdom to O'Hare Intl
Discover carefully curated flight deals from United Kingdom to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Sun 1/1119:10 -

1 stop27h 35m

Tue 10/1119:15 -

1 stop17h 15m

Deal found 19/9£360

Fri 6/1117:15 -

3 stops29h 30m

Sun 8/1119:15 -

3 stops31h 15m

Deal found 21/9£430

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 21/9£503

Tue 17/1119:05 -

1 stop23h 35m

Wed 13/116:10 -

1 stop14h 40m

Deal found 19/9£546

Sat 21/1106:15 -

1 stop14h 10m

Sat 28/1117:05 -

2 stops14h 30m

Deal found 20/9£554

Wed 2/1206:50 -

1 stop13h 20m

Tue 8/1220:05 -

1 stop10h 35m

Deal found 19/9£561

Thu 19/1110:25 -

Nonstop9h 20m

Mon 23/1115:45 -

Nonstop8h 10m

Deal found 18/9£570

Wed 14/1011:05 -

Nonstop9h 05m

Tue 24/1115:45 -

Nonstop8h 10m

Deal found 16/9£570

Thu 22/1017:25 -

1 stop26h 50m

Thu 29/1017:25 -

1 stop18h 20m

Deal found 20/9£587

Mon 23/1109:05 -

1 stop11h 20m

Wed 6/110:30 -

2 stops17h 25m

Deal found 19/9£596

Thu 17/1216:00 -

1 stop29h 30m

Sun 27/1220:10 -

2 stops42h 25m

Deal found 21/9£687

Wed 7/1008:25 -

1 stop12h 05m

Thu 15/1016:15 -

1 stop10h 35m

Deal found 20/9£692

Wed 14/1017:45 -

1 stop21h 55m

Tue 24/1120:15 -

1 stop38h 05m

Deal found 16/9£714

Wed 4/1119:10 -

1 stop27h 35m

Mon 9/1119:15 -

1 stop17h 15m

Deal found 19/9£360

Mon 2/1119:10 -

1 stop27h 35m

Thu 12/1119:15 -

1 stop17h 15m

Deal found 19/9£360

Sun 1/1119:10 -

1 stop27h 35m

Wed 11/1119:15 -

1 stop17h 15m

Deal found 19/9£360

Tue 3/1119:10 -

1 stop27h 35m

Thu 12/1119:15 -

1 stop17h 15m

Deal found 19/9£360

Tue 3/1108:30 -

2 stops14h 50m

Tue 10/1118:30 -

2 stops14h 45m

Deal found 19/9£493

Mon 1/319:05 -

2 stops23h 05m

Mon 8/316:10 -

1 stop14h 40m

Deal found 19/9£574

Tue 20/1008:45 -

1 stop13h 10m

Tue 17/1115:45 -

Nonstop8h 10m

Deal found 20/9£575

Wed 7/1012:20 -

1 stop15h 10m

Tue 13/1016:55 -

1 stop11h 55m

Deal found 20/9£584

Mon 26/1006:10 -

1 stop14h 00m

Sat 31/1016:55 -

1 stop10h 10m

Deal found 16/9£544

Mon 2/1110:00 -

2 stops19h 57m

Mon 9/1106:23 -

2 stops20h 37m

Deal found 17/9£599

Mon 2/1110:00 -

1 stop12h 15m

Mon 16/1107:05 -

2 stops19h 55m

Deal found 17/9£599

Thu 28/109:15 -

1 stop13h 00m

Sun 31/118:50 -

1 stop12h 00m

Deal found 16/9£579

Wed 7/1012:20 -

1 stop15h 10m

Mon 12/1016:55 -

1 stop11h 55m

Deal found 20/9£584

Mon 2/1106:00 -

2 stops21h 06m

Sun 15/1114:44 -

2 stops16h 01m

Deal found 19/9£600

Sun 1/1105:40 -

2 stops22h 04m

Sun 8/1108:29 -

2 stops18h 01m

Deal found 17/9£604

Fri 13/1120:45 -

1 stop23h 40m

Mon 23/1118:25 -

1 stop17h 15m

Deal found 18/9£552

Thu 22/1008:45 -

1 stop13h 10m

Mon 26/1016:45 -

Nonstop8h 10m

Deal found 21/9£631

Find flight deals from United Kingdom to O'Hare Intl

Round-trip from	£327
One-way from	£281
Popular in	August
Cheapest in	February
Average price	£623
Good round-trip deal	£615 or less
Good one-way deal	£532 or less

Scandinavian Airlines
2/11-10/11
2 total stops
44h 50m total
United Kingdom to Chicago

Search Deals

11/11-31/12
2 total stops
40h 45m total
United Kingdom to Chicago

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£65 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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

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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 11/11

08:00-17:20

3 stops39h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£294

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 2/12

16:35-17:20

3 stops30h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£302

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Tue 26/1

22:05-19:15

3 stops27h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£309

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Fri 23/10

12:10-22:10

1 stop16h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£313

LeedsChicago

LBA Leeds/Bradford - ORD Chicago O'Hare Intl

LBAORD

Leeds/Bradford

Sat 14/11

20:40-14:25

2 stops23h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£315

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Sun 13/12

06:05-17:20

3 stops41h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£324

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Mon 16/11

17:10-16:15

1 stop29h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£358

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Sun 1/11

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Tue 10/11

19:15-18:30

1 stop17h 15m

£360

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Wed 4/11

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Mon 9/11

19:15-18:30

1 stop17h 15m

£360

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Mon 2/11

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Thu 12/11

19:15-18:30

1 stop17h 15m

£360

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LHR-ORD

EDI-ORD

BHX-ORD

GLA-ORD

MAN-ORD

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

GB0-ORD

LHR-ORD

EDI-ORD

BHX-ORD

GLA-ORD

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of £516). Flying from United Kingdom to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £824). 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?

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

The most flights from GB0 to ORD are scheduled on a Monday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

How often are flights from the United Kingdom to Chicago delayed?

About 9% of weekly flights between United Kingdom and Chicago have experienced delays in the past year, with the average delay time being 183 minutes.

What is the most punctual flight time for the United Kingdom 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?

Sunday 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 the United Kingdom to Chicago flights?

Over the past 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 United Kingdom to Chicago O'Hare Intl Airport?

The price you pay for your flight from United Kingdom to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with United Airlines,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.

United Airlines

7.4

Good

10,222 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

United Airlines

7.4

Good

10,222 reviews

United Airlines

7.4

Good

10,222 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Aer Lingus

7.3

Good

1,781 reviews

United Airlines

7.4

Good

10,222 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Icelandair

6.9

Okay

747 reviews

United Airlines

7.4

Good

10,222 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Lufthansa

6.8

Okay

8,238 reviews

United Airlines

7.4

Good

10,222 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

British Airways

6.7

Okay

8,227 reviews

United Airlines

7.4

Good

10,222 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Related info for your journey

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 3812 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 JetBlue, with whom users have recently found tickets for as low as £312. However, be on the lookout for offers from Aer Lingus and United 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 (88%), Austrian Airlines (88%) or United Airlines (88%) 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 £1,755, our data shows the cheapest flight currently is £416. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £279 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, February is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of £516). Flying from United Kingdom to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £824). 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 United Kingdom to O'Hare Intl

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London City to O'Hare Intl flights

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Heathrow to Midway flights

Luton to O'Hare Intl flights

Edinburgh to O'Hare Intl flights

Manchester to O'Hare Intl flights

Manchester to Midway flights

Edinburgh to Midway flights

Glasgow Intl to O'Hare Intl flights

Gatwick to Midway flights

Birmingham to O'Hare Intl flights

Leeds to O'Hare Intl flights

Bristol to O'Hare Intl flights

Birmingham to Midway flights

Glasgow Intl to Midway flights

Newcastle upon Tyne to O'Hare Intl flights

Dublin to O'Hare Intl flights

Southend to O'Hare Intl flights

Liverpool to O'Hare Intl flights

Belfast Intl to O'Hare Intl flights

Istanbul to O'Hare Intl flights

Inverness to O'Hare Intl flights

Newquay to O'Hare Intl flights

Southampton to O'Hare Intl flights

Belfast City to O'Hare Intl flights

Newcastle upon Tyne to Midway flights

London City to Midway flights

Exeter to O'Hare Intl flights

Grimsby to O'Hare Intl flights

Athens to O'Hare Intl flights

Bruxelles-National to O'Hare Intl flights

Frederic Chopin to O'Hare Intl flights

Bristol to Midway flights

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Madrid to O'Hare Intl flights

Amsterdam to O'Hare Intl flights

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Dublin to Midway flights

Doncaster to O'Hare Intl flights

Arlanda to O'Hare Intl flights

Barcelona-El Prat to O'Hare Intl flights

Cardiff to O'Hare Intl flights

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

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£30	Average£62	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Icelandair	Cheapest£204	Average£576	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£212	Average£724	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£349	Average£695	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
JetBlue	Cheapest£385	Average£650	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Scandinavian Airlines	Cheapest£387	Average£538	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£389	Average£583	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£396	Average£668	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£419	Average£664	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£429	Average£714	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Fly with Cheapflights

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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Cheap flights from the United Kingdom to Chicago O'Hare Intl Airport from £281

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to O'Hare Intl

Cheapest flights from United Kingdom to O'Hare IntlExplore 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 22 September 2026.

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 22 September 2026.

Best flights from United Kingdom to O'Hare IntlDiscover carefully curated flight deals from United Kingdom to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from United Kingdom to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Direct flights from United Kingdom to O'Hare IntlExplore direct flight options from United Kingdom to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Explore direct flight options from United Kingdom to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Last-minute flights from United Kingdom to O'Hare IntlDiscover last-minute flight deals from United Kingdom to O'Hare Intl. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to O'Hare Intl. Data last updated 22 September 2026 and is based on user searches.

One-way flights from United Kingdom to O'Hare IntlSearch for one-way flight options from United Kingdom to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Search for one-way flight options from United Kingdom to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Find flight deals from United Kingdom to O'Hare Intl

Round-trip from

One-way from

Popular in

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

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.

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

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 22 September 2026.

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

The most flights from GB0 to ORD are scheduled on a Monday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

How often are flights from the United Kingdom to Chicago delayed?

About 9% of weekly flights between United Kingdom and Chicago have experienced delays in the past year, with the average delay time being 183 minutes.

What is the most punctual flight time for the United Kingdom 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?

Sunday 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 the United Kingdom to Chicago flights?

Over the past 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 United Kingdom to Chicago O'Hare Intl Airport?

The price you pay for your flight from United Kingdom to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with United Airlines,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.

Related info for your journey

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

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

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

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

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

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

How can I 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?

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

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Alternative routes for United Kingdom to O'Hare Intl

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Complete your trip

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Direct flights to Illinois

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Other flights to O'Hare Intl

Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.

United Kingdom and O'Hare Intl flights

Browse other United Kingdom and O'Hare Intl flight options. Last updated on 22 September 2026.

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United Kingdom to O'Hare Intl flights

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

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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 22 September 2026.

Best flights from United Kingdom to O'Hare Intl
Discover carefully curated flight deals from United Kingdom to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Direct flights from United Kingdom to O'Hare Intl
Explore direct flight options from United Kingdom to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Last-minute flights from United Kingdom to O'Hare Intl
Discover last-minute flight deals from United Kingdom to O'Hare Intl. Data last updated 22 September 2026 and is based on user searches.

One-way flights from United Kingdom to O'Hare Intl
Search for one-way flight options from United Kingdom to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.