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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 284

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
20 Apr — 27 Apr1
1 adult

Cheap flight deals from London to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 April 2025.

Round-trip from

C$ 681

One-way from

C$ 284

Popular in

December

Cheapest in

June

Average price

C$ 910
United Airlines
  • United Airlines
  • 17/5-19/5
  • 2 total stops
  • 11h 11m total
  • London to Chicago
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25/5
  • 25/5
  • 2 total stops
  • 24h 40m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from London to O'Hare Intl

Cheapest flights from London to O'Hare Intl
Explore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Sat 17/59:55 a.m.YXU - ORD
1 stop6h 10mUnited Airlines
Mon 19/59:02 a.m.ORD - YXU
1 stop5h 01mUnited Airlines
Deal found 14/4C$ 681
Fri 18/412:20 p.m.YXU - ORD
2 stops17h 48mMultiple Airlines
Mon 21/44:45 p.m.ORD - YXU
1 stop25h 28mMultiple Airlines
Deal found 14/4C$ 1,109

Cheapflights Fare Finder

Customize your flight search to find flights from London to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

London

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Sat 17/5

9:55 a.m.-3:05 p.m.

1 stop6h 10m

Chicago O'Hare Intl

Mon 19/5

9:02 a.m.-3:03 p.m.

1 stop5h 01m

C$ 681

LondonChicago

YXU - ORD

YXUORD

London

Sun 25/5

6:00 a.m.-5:40 a.m.

2 stops24h 40m

C$ 284

LondonChicago

YXU - ORD

YXUORD

London

Sun 25/5

6:00 a.m.-4:44 p.m.

1 stop11h 44m

C$ 306

LondonChicago

YXU - ORD

YXUORD

London

Sun 25/5

9:55 a.m.-4:48 p.m.

2 stops7h 53m

C$ 315

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Best time to book a flight from London to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from London with our price prediction graph.
Estimated round-trip 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 London to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from London, Ontario to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from London, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 YXU to ORD?

Find hourly flight availability from London 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 15 April 2025.

A simple way to save on the total cost of your ticket is to fly from London, Ontario to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the morning.

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 Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm 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.

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 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).

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 15 April 2025.
United Airlines
7.4
Good
8,656 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,656 reviews
United Airlines
7.4
Good
8,656 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
WestJet
7.2
Good
2,805 reviews
United Airlines
7.4
Good
8,656 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Air Canada
7.0
Good
9,127 reviews
United Airlines
7.4
Good
8,656 reviews
Check prices

Comfort

7.3

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from London to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to Chicago O'Hare Intl?

    London (YXU) is the airport you will fly out of if you book a flight from London to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from London; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the London airport to Chicago O'Hare Intl. It is only a 8.6 km journey to London (YXU) from London’s city centre.

  • What is the cheapest airline to fly from London, Ontario to Chicago O'Hare Intl Airport round-trip?

    Currently priced at C$ 681, United Airlines will fly you from London, Ontario to Chicago O'Hare Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 20% cheaper than the other options available to this destination.

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

    Yes. In addition to deals on London to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London 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 London to O'Hare Intl.

  • Can I find deals for business class flights from London to O'Hare Intl?

    Yes. Cheapflights offers flight deals from London 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 London, Ontario to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from London, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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.

See more FAQs

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Certainly. Search results for flights to O'Hare Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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