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£309+ 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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
11 Mar — 18 Mar1
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 6 March 2025.

Return from

£412

One-way from

£310

Popular in

August

Cheapest in

February

Average price

£497

Good round-trip deal

£570 or less

Good one-way deal

£588 or less
SWISS
  • SWISS
  • 21/3-29/3
  • 2 total stops
  • 25h 00m total
  • London to Chicago
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 15/5
  • 1 total stop
  • 27h 25m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£58 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 March 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 6 March 2025.

Thu 13/306:00LHR - ORD
1 stop12h 55mMultiple Airlines
Wed 26/322:10ORD - LHR
Nonstop8h 05mMultiple Airlines
Deal found 5/3£412
Tue 6/510:00LGW - ORD
1 stop28h 51mMultiple Airlines
Sat 10/513:03ORD - LGW
1 stop14h 57mMultiple Airlines
Deal found 6/3£413
Tue 25/307:40LHR - ORD
1 stop12h 30mUnited Airlines
Thu 3/418:05ORD - LHR
Nonstop8h 15mUnited Airlines
Deal found 5/3£413
Thu 1/518:40LGW - ORD
1 stop23h 30mSWISS
Tue 6/514:20ORD - LGW
1 stop21h 30mSWISS
Deal found 6/3£414
Sat 13/915:40LGW - ORD
1 stop32h 35mIcelandair
Tue 23/919:25ORD - LGW
1 stop13h 15mIcelandair
Deal found 6/3£418
Thu 20/310:25LHR - ORD
Nonstop9h 25mLufthansa
Tue 25/318:50ORD - LHR
Nonstop8h 05mLufthansa
Deal found 6/3£418
Thu 13/311:55LHR - ORD
Nonstop8h 50mBritish Airways
Wed 26/322:45ORD - LHR
Nonstop7h 45mBritish Airways
Deal found 6/3£421
Wed 30/408:30LHR - ORD
Nonstop9h 05mAustrian Airlines
Thu 8/516:05ORD - LHR
Nonstop8h 15mAustrian Airlines
Deal found 5/3£431
Tue 20/522:35STN - ORD
2 stops25h 40mMultiple Airlines
Mon 26/519:25ORD - STN
2 stops14h 40mMultiple Airlines
Deal found 5/3£435
Thu 1/509:25LCY - ORD
1 stop12h 30mSWISS
Mon 5/514:20ORD - LCY
1 stop16h 10mSWISS
Deal found 5/3£435
Tue 18/306:00LHR - ORD
1 stop16h 15mSWISS
Mon 24/317:10ORD - LHR
2 stops20h 30mSWISS
Deal found 5/3£436
Fri 2/515:05LGW - ORD
1 stop26h 00mAmerican Airlines
Sun 4/511:36ORD - LGW
1 stop14h 14mAmerican Airlines
Deal found 6/3£440

Find flights to O'Hare Intl within your budget

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 6 March 2025.

Fly from

London

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Fri 21/3

06:00-13:55

1 stop12h 55m

Chicago O'Hare Intl

Sat 29/3

18:55-12:00

1 stop12h 05m

£412

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Tue 6/5

10:00-08:51

1 stop28h 51m

Chicago O'Hare Intl

Sat 10/5

13:03-10:00

1 stop14h 57m

£413

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 25/3

07:40-15:10

1 stop12h 30m

Chicago O'Hare Intl

Thu 3/4

18:05-08:20

Nonstop8h 15m

£413

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 1/5

18:40-12:10

1 stop23h 30m

Chicago O'Hare Intl

Tue 6/5

14:20-17:50

1 stop21h 30m

£414

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 22/3

06:00-15:05

1 stop14h 05m

Chicago O'Hare Intl

Wed 26/3

18:50-07:55

Nonstop8h 05m

£415

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 20/3

08:45-19:25

1 stop15h 40m

Chicago O'Hare Intl

Tue 25/3

22:25-18:35

1 stop15h 10m

£417

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 15/4

21:25-21:15

1 stop29h 50m

Chicago O'Hare Intl

Tue 29/4

19:30-20:20

1 stop18h 50m

£421

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 1/5

09:15-11:45

Nonstop8h 30m

Chicago O'Hare Intl

Mon 5/5

17:40-07:20

Nonstop7h 40m

£423

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 30/4

08:30-11:35

Nonstop9h 05m

Chicago O'Hare Intl

Thu 8/5

16:05-06:20

Nonstop8h 15m

£431

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 16/4

15:40-21:15

1 stop11h 35m

Chicago O'Hare Intl

Wed 30/4

19:30-11:45

1 stop10h 15m

£434

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 59 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.

Travel insights for flights to O'Hare Intl

Get recent, data-driven insights about flights to O'Hare Intl including ideal travel times, pricing trends, and more.

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 28 February 2025.

Booking 68 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 13 hours 59 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.

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, Finnair and Lufthansa.

British Airways

British Airways

From £537

Finnair

Finnair

From £598

Lufthansa

Lufthansa

From £551

Aer Lingus

Aer Lingus

From £572

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 6 March 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT to Chicago by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,036 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,036 reviews
Delta
8.0
Very Good
8,036 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,322 reviews
Delta
8.0
Very Good
8,036 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT
7.6
Good
1,065 reviews
Delta
8.0
Very Good
8,036 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very Good
8,036 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.5
Good
767 reviews
Delta
8.0
Very Good
8,036 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 £16, while return flights cost around £30.

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

    A return flight to O'Hare Intl will typically cost around £735, however they can be found for as little as £38.

  • 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 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
Evanston
Downers Grove
Schaumburg
Elk Grove Village
Beloit
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.

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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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