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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 335

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
30 Mar — 6 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 25 March 2025.

Round-trip from

C$ 635

One-way from

C$ 335

Popular in

May

Cheapest in

June

Average price

C$ 988
WestJet
  • WestJet
  • 9/5-16/5
  • 2 total stops
  • 32h 28m total
  • London to Chicago
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WestJet
  • WestJet
  • 8/5
  • 1 total stop
  • 21h 44m total
  • London to Chicago
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High demand for flights, 7% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Fri 9/58:00 p.m.YXU - ORD
1 stop21h 44mWestJet
Fri 16/55:30 p.m.ORD - YXU
1 stop10h 44mWestJet
Deal found 24/3C$ 635
Fri 9/58:00 p.m.YXU - ORD
1 stop21h 44mMultiple Airlines
Fri 16/59:02 p.m.ORD - YXU
2 stops31h 12mMultiple Airlines
Deal found 24/3C$ 709
Fri 31/109:45 a.m.YXU - ORD
2 stops12h 58mUnited Airlines
Sun 2/119:10 p.m.ORD - YXU
2 stops16h 55mUnited Airlines
Deal found 24/3C$ 973

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 25 March 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

Fri 9/5

8:00 p.m.-4:44 p.m.

1 stop21h 44m

Chicago O'Hare Intl

Fri 16/5

5:30 p.m.-5:14 a.m.

1 stop10h 44m

C$ 635

LondonChicago

YXU - ORD

YXUORD

London

Fri 9/5

8:00 p.m.-4:44 p.m.

1 stop21h 44m

Chicago O'Hare Intl

Fri 16/5

9:02 p.m.-5:14 a.m.

2 stops31h 12m

C$ 709

LondonChicago

YXU - ORD

YXUORD

London

Thu 8/5

8:00 p.m.-4:44 p.m.

1 stop21h 44m

C$ 335

LondonChicago

YXU - ORD

YXUORD

London

Wed 9/4

8:00 p.m.-5:45 a.m.

2 stops34h 45m

C$ 444

LondonChicago

YXU - ORD

YXUORD

London

Thu 8/5

9:55 a.m.-7:57 a.m.

2 stops23h 02m

C$ 484

LondonChicago

YXU - ORD

YXUORD

London

Thu 8/5

6:15 a.m.-12:03 p.m.

2 stops6h 48m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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 25 March 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 25 March 2025.
United Airlines
7.4
Good
8,605 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

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
8,605 reviews
United Airlines
7.4
Good
8,605 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

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
2,785 reviews
United Airlines
7.4
Good
8,605 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

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
8,957 reviews
United Airlines
7.4
Good
8,605 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

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$ 635, 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. Users have found that WestJet is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London, Ontario to Chicago O'Hare Intl Airport one-way?

    One-way options have recently been found by users for as low as C$ 335 on WestJet. Other airlines that offer cheap prices include United Airlines from C$ 484 and Air Canada from C$ 486 one-way.

  • 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.

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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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