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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 236

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
25 Feb — 4 Mar1
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 20 February 2025.

Round-trip from

C$ 645

One-way from

C$ 236

Popular in

May

Cheapest in

June
WestJet
  • WestJet
  • 6/4-20/4
  • 2 total stops
  • 46h 24m total
  • London to Chicago
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10/3
  • 10/3
  • 1 total stop
  • 22h 19m total
  • London to Chicago
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
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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 20 February 2025.

Sun 6/48:00 p.m.YXU - ORD
1 stop20h 56mWestJet
Sun 20/44:45 p.m.ORD - YXU
1 stop25h 28mWestJet
Deal found 19/2C$ 645
Sun 6/43:25 p.m.YXU - ORD
2 stops16h 17mMultiple Airlines
Mon 14/44:45 p.m.ORD - YXU
1 stop25h 28mMultiple Airlines
Deal found 19/2C$ 692
Sat 5/45:15 a.m.YXU - ORD
2 stops7h 48mAir Canada
Sun 20/49:40 a.m.ORD - YXU
1 stop4h 08mAir Canada
Deal found 19/2C$ 940
Fri 4/43:25 p.m.YXU - ORD
1 stop5h 05mUnited Airlines
Sun 20/49:02 a.m.ORD - YXU
1 stop4h 46mUnited Airlines
Deal found 19/2C$ 972

Find flights from London to O'Hare Intl within your budget

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 20 February 2025.

Fly from

London

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Sun 6/4

8:00 p.m.-3:56 p.m.

1 stop20h 56m

Chicago O'Hare Intl

Sun 20/4

4:45 p.m.-7:13 p.m.

1 stop25h 28m

C$ 645

LondonChicago

YXU - ORD

YXUORD

London

Sun 6/4

3:25 p.m.-6:42 a.m.

2 stops16h 17m

Chicago O'Hare Intl

Mon 14/4

4:45 p.m.-7:13 p.m.

1 stop25h 28m

C$ 692

LondonChicago

YXU - ORD

YXUORD

London

Sat 5/4

5:15 a.m.-12:03 p.m.

2 stops7h 48m

Chicago O'Hare Intl

Sun 20/4

9:40 a.m.-2:48 p.m.

1 stop4h 08m

C$ 940

LondonChicago

YXU - ORD

YXUORD

London

Fri 4/4

3:25 p.m.-7:30 p.m.

1 stop5h 05m

Chicago O'Hare Intl

Sun 20/4

9:02 a.m.-2:48 p.m.

1 stop4h 46m

C$ 972

LondonChicago

YXU - ORD

YXUORD

London

Mon 10/3

12:20 p.m.-9:39 a.m.

1 stop22h 19m

C$ 236

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

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.

Travel insights for flights from London to O'Hare Intl

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

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 20 February 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 20 February 2025.
United Airlines
7.4
Good
8,768 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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
8,768 reviews
United Airlines
7.4
Good
8,768 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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
2,801 reviews
United Airlines
7.4
Good
8,768 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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
8,754 reviews
United Airlines
7.4
Good
8,768 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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 1 airline has 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 are the cheapest airlines flying from London, Ontario to Chicago O'Hare Intl Airport round-trip?

    Currently priced at C$ 645, WestJet will fly you from London, Ontario to Chicago O'Hare Intl Airport and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 940 and C$ 972, respectively. Users have found that WestJet is 25% 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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Top airline flying from London to O'Hare Intl

Discover the top airline that operate flights from London to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 785AverageC$ 904FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to O'Hare Intl?

Deals for London to O'Hare Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from London to O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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