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£347+ Cheap flights to O'Hare Intl

— ORD
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to O'Hare Intl in 2026

Enter your travel dates to find the best prices.

Cheapest flights to O'Hare Intl Airport

Fri 4/906:35 -
1 stop18h 40m
Tue 8/921:00 -
1 stop18h 20m
Deal found 19/8£465
Wed 30/916:25 -
1 stop26h 15m
Sun 4/1018:00 -
1 stop15h 10m
Deal found 18/8£465
Thu 17/906:30 -
1 stop13h 30m
Thu 24/915:45 -
1 stop10h 05m
Deal found 17/8£465
Fri 4/915:35 -
2 stops32h 40m
Tue 8/919:25 -
2 stops14h 55m
Deal found 18/8£466
Wed 4/1106:00 -
1 stop15h 30m
Sun 15/1120:10 -
1 stop20h 30m
Deal found 18/8£466
Mon 12/1006:30 -
1 stop13h 30m
Mon 19/1021:00 -
1 stop18h 20m
Deal found 21/8£466
Wed 16/912:10 -
1 stop30h 25m
Fri 18/910:50 -
1 stop14h 05m
Deal found 21/8£467
Fri 4/906:20 -
1 stop18h 55m
Tue 8/915:45 -
1 stop17h 45m
Deal found 19/8£467
Tue 8/906:30 -
1 stop18h 45m
Thu 17/921:00 -
1 stop20h 20m
Deal found 20/8£467
Mon 12/1009:45 -
1 stop15h 30m
Mon 19/1021:00 -
1 stop17h 55m
Deal found 21/8£468
Tue 15/906:55 -
1 stop13h 10m
Tue 15/918:15 -
1 stop10h 25m
Deal found 19/8£468
Fri 2/1006:20 -
1 stop13h 40m
Fri 9/1015:45 -
1 stop19h 40m
Deal found 18/8£468

Find flight deals to O'Hare Intl Airport

Return from

£465

One-way from

£347

Popular in

July

Cheapest in

February

Average price

£699

Good round-trip deal

£610 or less

Good one-way deal

£513 or less
4/9-8/9
  • 4/9-8/9
  • 2 total stops
  • 37h 00m total
  • London to Chicago
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23/9
  • 23/9
  • 2 total stops
  • 16h 32m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for return flights in August 2026
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Price to beat on a round-trip flight from London to Chicago O'Hare Intl.
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Price to beat on a one-way flight from London to Chicago O'Hare Intl.
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Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Wed 7/10

18:45-12:40

1 stop23h 55m

Chicago O'Hare Intl

Wed 21/10

18:00-22:55

1 stop22h 55m

£473

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 9/9

06:15-14:00

1 stop13h 45m

Chicago O'Hare Intl

Sat 19/9

15:45-08:20

1 stop10h 35m

£473

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 22/9

16:25-16:00

1 stop29h 35m

Chicago O'Hare Intl

Wed 21/10

18:00-09:45

1 stop33h 45m

£477

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 21/9

14:25-16:10

3 stops31h 45m

Chicago O'Hare Intl

Mon 5/10

19:15-22:50

2 stops21h 35m

£478

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Mon 12/10

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Mon 26/10

16:55-10:45

1 stop12h 50m

£485

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 12/11

08:20-17:20

2 stops15h 00m

Chicago O'Hare Intl

Mon 23/11

20:10-18:00

1 stop15h 50m

£517

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Wed 7/10

06:10-21:25

2 stops21h 15m

Chicago O'Hare Intl

Wed 14/10

22:25-22:35

2 stops18h 10m

£531

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Sat 3/10

21:25-18:15

1 stop26h 50m

Chicago O'Hare Intl

Sat 17/10

19:25-11:55

1 stop10h 30m

£544

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Wed 14/10

06:40-16:10

1 stop15h 30m

Chicago O'Hare Intl

Sun 25/10

20:15-16:00

1 stop14h 45m

£547

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Sun 20/9

18:40-16:10

1 stop27h 30m

Chicago O'Hare Intl

Tue 13/10

19:15-16:00

1 stop14h 45m

£566

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight to O'Hare Intl

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

Cheapflights Insights

Everything you need to know about your flight to Chicago O'Hare Intl Airport

How long is the flight to O'Hare Intl?

On average, a flight from London to O'Hare Intl takes 12 hours 18 minutes. Flights to O'Hare Intl from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to O'Hare Intl

The most flights from London to O'Hare Intl are scheduled on a Tuesday (49 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (47 on average).

What are the most popular airlines that fly to O'Hare Intl?

The most popular airlines flying from London to O'Hare Intl are British Airways, Lufthansa and Icelandair.

British Airways
British Airways
From £399
Aer Lingus
Aer Lingus
From £336
Icelandair
Icelandair
From £200
Lufthansa
Lufthansa
From £398

What are the cheapest airlines that fly to O'Hare Intl?

The cheapest airlines flying from London to O'Hare Intl are Virgin Atlantic, Icelandair and Scandinavian Airlines.

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in O'Hare Intl 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 O'Hare Intl when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to O'Hare Intl, 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).

When is the best time to book a flight to O'Hare Intl?

Booking 11 days in advance of your planned departure date is, on average, the best time to get cheap flights to O'Hare Intl. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown United Airlines,Aer Lingus, andIcelandair to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,110 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

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
10,110 reviews
United Airlines
7.4
Good
10,110 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

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!
Aer Lingus
7.3
Good
1,713 reviews
United Airlines
7.4
Good
10,110 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

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!
Icelandair
6.9
Okay
732 reviews
United Airlines
7.4
Good
10,110 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

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!
Lufthansa
6.8
Okay
8,203 reviews
United Airlines
7.4
Good
10,110 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

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!
British Airways
6.7
Okay
8,183 reviews
United Airlines
7.4
Good
10,110 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Boarding

7.7

Crew

8.1

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!

FAQs about flying to O'Hare Intl

Chicago O’Hare International Airport (ORD) is one of the world’s most important transport hubs, offering connections to more cities than any other airport in the world. A mind-blowing 77 million passengers pass through the airport each year, yet its intelligent design, full range of facilities and amenities and highly professional staff ensure that transit experiences are routinely pleasant.

Flights to Chicago O’Hare International Airport are offered by a massive variety of airlines, both American and international. It is one of the most common layover destinations, along with Washington Dulles and New York JFK, for international flights into the US.

Chicago O’Hare International Airport has received the Global Traveller Award for Best Airport in North America ten years in a row.

  • Can I find cheaper flights to O'Hare Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to O'Hare Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to O'Hare Intl?

    Based on reviews from Cheapflights users, Ryanair is rated the highest out of the airlines that fly to O'Hare Intl.

  • What is the cheapest airport to fly to in O'Hare Intl?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in O'Hare Intl. One-way flights to Chicago O'Hare Intl typically cost £77, while return flights cost around £129.

  • How much is a return flight to O'Hare Intl?

    A return flight to O'Hare Intl will typically cost around £131, however they can be found for as little as £129.

  • Where does the fastest flight to O'Hare Intl depart from?

    For those looking to save time traveling to O'Hare Intl, Edinburgh Turnhouse offers the quickest one-way flight (8 hours 30 minutes).

  • Does Chicago O'Hare Intl have car hire?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 mi away from Chicago O'Hare Intl).

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
Elk Grove Village

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When you search for this flight 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 best flight for you.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on O'Hare Intl flights so you can book your flight when prices are ideal. Enable price alerts 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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