£407+ 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 27/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
2 Sep — 9 Sep1
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 28 August 2025.

Return from

£421

One-way from

£407

Popular in

July

Cheapest in

February

Average price

£624

Good round-trip deal

£496 or less

Good one-way deal

£555 or less
8/9-4/10
  • 8/9-4/10
  • 4 total stops
  • 40h 17m total
  • London to Chicago
Scandinavian Airlines
  • Scandinavian Airlines
  • 27/12
  • 1 total stop
  • 12h 25m total
  • London to Chicago
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for return flights in August 2025
Price to beat on a round-trip flight from London to Chicago O'Hare Intl.
Price to beat on a one-way flight from London to Chicago O'Hare Intl.

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 28 August 2025.

Tue 2/915:40LGW - ORD
1 stop32h 35mIcelandair
Sat 4/1019:25ORD - LGW
1 stop13h 10mIcelandair
Deal found 26/8£421
Mon 8/906:00LHR - ORD
1 stop13h 20mAustrian Airlines
Sun 5/1021:25ORD - LHR
Nonstop8h 20mAustrian Airlines
Deal found 26/8£421
Wed 8/1010:00LTN - ORD
1 stop15h 00mMultiple Airlines
Sun 12/1021:15ORD - LTN
1 stop18h 15mMultiple Airlines
Deal found 26/8£421
Wed 8/1010:35STN - ORD
1 stop14h 25mMultiple Airlines
Sun 12/1015:45ORD - STN
1 stop10h 05mMultiple Airlines
Deal found 26/8£421
Mon 8/910:00LGW - ORD
2 stops19h 20mMultiple Airlines
Thu 25/910:27ORD - LGW
1 stop14h 33mMultiple Airlines
Deal found 27/8£422
Thu 4/906:50LHR - ORD
2 stops14h 05mAir Canada
Wed 17/910:40ORD - LHR
1 stop13h 50mAir Canada
Deal found 26/8£422
Sat 13/910:40LGW - ORD
1 stop15h 01mBritish Airways
Fri 17/1013:43ORD - LGW
1 stop12h 27mBritish Airways
Deal found 26/8£422
Wed 3/908:50LHR - ORD
1 stop12h 55mAmerican Airlines
Sat 13/922:35ORD - LHR
Nonstop7h 40mAmerican Airlines
Deal found 26/8£422
Tue 23/910:00LTN - ORD
1 stop15h 00mMultiple Airlines
Tue 30/915:45ORD - LTN
1 stop14h 50mMultiple Airlines
Deal found 26/8£422
Tue 23/910:45STN - ORD
1 stop14h 15mMultiple Airlines
Tue 30/915:45ORD - STN
1 stop10h 55mMultiple Airlines
Deal found 26/8£422
Sat 30/810:00LGW - ORD
2 stops19h 33mMultiple Airlines
Tue 7/1006:00ORD - LGW
1 stop22h 00mMultiple Airlines
Deal found 26/8£423
Sat 6/908:30LHR - ORD
1 stop12h 25mMultiple Airlines
Mon 6/1021:25ORD - LHR
Nonstop8h 20mMultiple Airlines
Deal found 26/8£423

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 28 August 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

LHR - ORD

LHRORD

London Heathrow

Fri 21/11

07:40-14:10

1 stop12h 30m

Chicago O'Hare Intl

Thu 11/12

15:45-05:55

Nonstop8h 10m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 8/9

06:00-13:20

1 stop13h 20m

Chicago O'Hare Intl

Wed 24/9

21:50-11:45

Nonstop7h 55m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 13/9

07:25-14:05

1 stop12h 40m

Chicago O'Hare Intl

Thu 18/9

18:00-08:20

Nonstop8h 20m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 19/2

07:40-14:10

1 stop12h 30m

Chicago O'Hare Intl

Wed 25/3

18:50-07:55

Nonstop8h 05m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 7/11

06:35-14:10

1 stop13h 35m

Chicago O'Hare Intl

Fri 28/11

17:50-07:55

Nonstop8h 05m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 17/2

07:40-14:10

1 stop12h 30m

Chicago O'Hare Intl

Fri 27/3

16:45-05:55

Nonstop8h 10m

£421

LondonChicago

LTN - ORD

LTNORD

London Luton

Wed 8/10

10:00-19:00

1 stop15h 00m

Chicago O'Hare Intl

Sun 12/10

21:15-21:30

1 stop18h 15m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 18/2

07:40-14:10

1 stop12h 30m

Chicago O'Hare Intl

Fri 27/3

16:45-05:55

Nonstop8h 10m

£421

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 8/10

10:35-19:00

1 stop14h 25m

Chicago O'Hare Intl

Sun 12/10

15:45-07:50

1 stop10h 05m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 28/11

07:40-14:10

1 stop12h 30m

Chicago O'Hare Intl

Fri 5/12

15:45-05:55

Nonstop8h 10m

£421

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 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 22 August 2025.

Booking 70 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 11 hours 36 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 Saturday afternoons, 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 (45 on average).

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 28 August 2025.
Read reviews from past customers who have flown Finnair, 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.

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

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.

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

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.

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

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.

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

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.

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

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.

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

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.

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 £29, while return flights cost around £38.

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

    A return flight to O'Hare Intl will typically cost around £349, however they can be found for as little as £51.

  • 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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