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£394+ Cheap flights to O'Hare Intl

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
16 Jul — 23 Jul1
1 adult

Flights to O'Hare Intl in 2025

Find the latest flights to O'Hare Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 11 July 2025.

Return from

£408

One-way from

£394

Popular in

August

Cheapest in

February

Average price

£648

Good round-trip deal

£541 or less

Good one-way deal

£598 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 23/10-31/10
  • 2 total stops
  • 67h 10m total
  • London to Chicago
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17/8
  • 17/8
  • 2 total stops
  • 32h 38m total
  • London to Chicago
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Highest demand for flights based on searches. 12% potential increase in price (£53 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for return flights in July 2025
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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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Find flight deals to O'Hare Intl Airport

Cheapest flights to O'Hare Intl Airport
Explore the most affordable flight options available to O'Hare Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 11 July 2025.

Thu 23/1010:35LGW - ORD
1 stop35h 35mTAP AIR PORTUGAL
Fri 31/1021:15ORD - LGW
1 stop31h 35mTAP AIR PORTUGAL
Deal found 10/7£408
Mon 1/1219:50LHR - ORD
2 stops50h 55mScandinavian Airlines
Sun 11/119:10ORD - LHR
1 stop14h 50mScandinavian Airlines
Deal found 10/7£408
Sun 24/818:45LHR - ORD
1 stop27h 55mTAP AIR PORTUGAL
Sun 31/818:00ORD - LHR
1 stop17h 45mTAP AIR PORTUGAL
Deal found 10/7£409
Mon 1/915:40LGW - ORD
1 stop11h 35mIcelandair
Mon 3/1118:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 9/7£410
Sat 20/909:50LGW - ORD
2 stops24h 56mMultiple Airlines
Mon 29/910:27ORD - LGW
1 stop14h 28mMultiple Airlines
Deal found 9/7£411
Sat 6/906:30LHR - ORD
1 stop14h 25mLufthansa
Sun 14/916:00ORD - LHR
Nonstop8h 20mLufthansa
Deal found 10/7£411
Sat 6/921:25LHR - ORD
1 stop29h 50mIcelandair
Fri 12/922:15ORD - LHR
1 stop16h 05mIcelandair
Deal found 10/7£411
Thu 18/909:50LHR - ORD
1 stop11h 55mBritish Airways
Tue 30/916:55ORD - LHR
Nonstop7h 55mBritish Airways
Deal found 9/7£413
Tue 16/915:05LGW - ORD
1 stop24h 10mAmerican Airlines
Fri 26/913:59ORD - LGW
1 stop12h 11mAmerican Airlines
Deal found 11/7£417
Wed 10/908:40LHR - ORD
1 stop13h 15mMultiple Airlines
Sun 21/916:00ORD - LHR
Nonstop8h 20mMultiple Airlines
Deal found 10/7£417
Mon 15/911:35LGW - ORD
2 stops27h 40mBritish Airways
Mon 22/913:59ORD - LGW
1 stop12h 11mBritish Airways
Deal found 11/7£418
Mon 8/906:00LHR - ORD
1 stop15h 55mSWISS
Mon 15/919:05ORD - LHR
1 stop16h 45mSWISS
Deal found 9/7£419

Cheapflights Fare Finder

Locate flights to O'Hare Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 11 July 2025.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 23/10

10:35-16:10

1 stop35h 35m

Chicago O'Hare Intl

Fri 31/10

21:15-09:50

1 stop31h 35m

£408

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 1/12

19:50-16:45

2 stops50h 55m

Chicago O'Hare Intl

Wed 14/1

19:20-16:00

1 stop14h 40m

£408

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 24/8

18:45-16:40

1 stop27h 55m

Chicago O'Hare Intl

Sun 31/8

18:00-17:45

1 stop17h 45m

£409

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Mon 1/9

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

Mon 3/11

18:30-10:55

1 stop10h 25m

£410

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 20/9

09:50-04:46

2 stops24h 56m

Chicago O'Hare Intl

Mon 29/9

10:27-06:55

1 stop14h 28m

£411

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/9

08:30-14:55

1 stop12h 25m

Chicago O'Hare Intl

Sat 13/9

21:25-11:45

Nonstop8h 20m

£411

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/9

21:25-21:15

1 stop29h 50m

Chicago O'Hare Intl

Fri 12/9

22:15-20:20

1 stop16h 05m

£411

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 18/9

09:50-15:45

1 stop11h 55m

Chicago O'Hare Intl

Tue 30/9

16:55-06:50

Nonstop7h 55m

£413

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 16/9

15:05-09:15

1 stop24h 10m

Chicago O'Hare Intl

Fri 26/9

13:59-08:10

1 stop12h 11m

£417

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 10/9

08:40-15:55

1 stop13h 15m

Chicago O'Hare Intl

Sun 21/9

16:00-06:20

Nonstop8h 20m

£417

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 43 results
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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
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 to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a return flight from London to O'Hare Intl. Price data was last updated on 27 June 2025.

Booking 83 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.

How long is the flight to O'Hare Intl?

On average, a flight from London to O'Hare Intl takes 14 hours 15 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.

When is the cheapest time to fly to O'Hare Intl?

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

Users looking for the lowest fares to O'Hare Intl should consider flying on Thursday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at midday, when prices are usually at their highest.

Weekly flight availability to O'Hare Intl

The most flights from London to O'Hare Intl are scheduled on a Monday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 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 Finnair.

British Airways
British Airways
From £396
Aer Lingus
Aer Lingus
From £439
Lufthansa
Lufthansa
From £535
Icelandair
Icelandair
From £417

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

The cheapest airlines flying from London to O'Hare Intl are Icelandair, Scandinavian Airlines and TAP AIR PORTUGAL.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals 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

Plan your trip to O'Hare Intl by taking into account the average temperature totals 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).

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 11 July 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines, andFinnair to the United States. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
811 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Finnair
7.6
Good
1,312 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,655 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,846 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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, Icelandair 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 £41, while return flights cost around £113.

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

    A return flight to O'Hare Intl will typically cost around £429, however they can be found for as little as £154.

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

    For those looking to save time traveling to O'Hare Intl, London offers the quickest one-way flight (8 hours 25 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
Downers Grove
Elk Grove Village
Rosemont

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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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