How long is the flight from London, Ontario to Chicago O'Hare Intl Airport?

Air Canada can get you from London, Ontario to Chicago O'Hare Intl Airport in just under 4h 58m. Your travel time can differ by up to . There are 351 mi between London, Ontario and Chicago O'Hare Intl Airport.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from YXU to ORD?

When flying from London, Ontario to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on London, Ontario-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London, Ontario-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on London, Ontario-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London, Ontario-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 5.3 mi journey to London (YXU) from London’s city center.

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.

$330+ Cheap Flights from London, ON to Chicago O'Hare Intl Airport

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1. Tell us where you want to go

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Cheap flight deals from London to O'Hare Intl

Cheapest

Best

Last-minute

One-way

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 September 30, 2026.

Fri 11/136:40 am -

3 stops31h 11m

Fri 11/205:01 am -

1 stop10h 59m

Deal found 9/29

$670

Sat 11/79:15 am -

1 stop4h 58m

Tue 11/108:45 am -

1 stop4h 57m

Deal found 9/29

$674

Sun 11/18:30 pm -

1 stop13h 53m

Sun 11/84:30 pm -

1 stop4h 22m

Deal found 9/26

$745

Wed 10/213:30 pm -

1 stop5h 18m

Sat 10/242:15 pm -

1 stop4h 25m

Deal found 9/28

$748

One-way flights from London to O'Hare Intl
Search for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.

Thu 11/125:30 am -

1 stop4h 53m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/28

$330

Mon 11/96:40 am -

3 stops31h 11m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/25

$354

Thu 11/126:40 am -

3 stops36h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/28

$365

Fri 11/69:15 am -

1 stop4h 58m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/25

$374

Fri 11/66:40 am -

3 stops42h 41m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/25

$395

Sun 10/259:15 am -

1 stop4h 58m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/26

$406

Sun 10/256:10 am -

2 stops25h 24m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/26

$450

Find flight deals from London to O'Hare Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$670 (Mytrip)
One-way from	$330 (Air Canada)

Provider with most accurate pricing for London-Chicago O'Hare Intl flight deals.

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Provider most trusted by Cheapflights users for London-Chicago O'Hare Intl flights.

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From London to Chicago O'Hare Intl

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One-way flight from London to Chicago O'Hare Intl

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 11/12

5:30 am-9:23 am

1 stop4h 53m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$330

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Mon 11/9

6:40 am-12:51 pm

3 stops31h 11m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$354

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 11/12

6:40 am-6:25 pm

3 stops36h 45m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$365

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Mon 11/9

5:30 am-9:23 am

1 stop4h 53m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$374

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Fri 11/6

6:40 am-12:21 am

3 stops42h 41m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$395

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Sun 10/25

9:15 am-1:13 pm

1 stop4h 58m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$406

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Sun 10/25

6:10 am-6:34 am

2 stops25h 24m

Chicago O'Hare Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$450

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Fri 11/13

6:40 am-12:51 pm

3 stops31h 11m

Chicago O'Hare Intl

Fri 11/20

5:01 am-5:00 pm

1 stop10h 59m

$670

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Sat 11/7

9:15 am-1:13 pm

1 stop4h 58m

Chicago O'Hare Intl

Tue 11/10

8:45 am-2:42 pm

1 stop4h 57m

$674

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Wed 10/21

3:30 pm-7:48 pm

1 stop5h 18m

Chicago O'Hare Intl

Sat 10/24

2:15 pm-7:40 pm

1 stop4h 25m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Sorted by cheapest first

Compare providers for flights from London to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to O'Hare Intl in September.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on London, Ontario-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London, Ontario-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London, Ontario-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on London, Ontario-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London, Ontario-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

YXU-ORD

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.

Related info for your journey

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 5.3 mi journey to London (YXU) from London’s city center.
How long is the flight from London, Ontario to Chicago O'Hare Intl Airport?
Air Canada can get you from London, Ontario to Chicago O'Hare Intl Airport in just under 4h 58m. Your travel time can differ by up to . There are 351 mi between London, Ontario and Chicago O'Hare Intl Airport.
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.

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$330+ Cheap flights from London, ON (YXU) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London to O'Hare Intl with Cheapflights

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Cheap flight deals from London to O'Hare Intl

Cheapest flights from London to O'Hare IntlExplore 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 September 30, 2026.

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 September 30, 2026.

Best flights from London to O'Hare IntlDiscover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.

Discover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.

Last-minute flights from London to O'Hare IntlDiscover last-minute flight deals from London to O'Hare Intl. Data last updated September 30, 2026 and is based on user searches.

Discover last-minute flight deals from London to O'Hare Intl. Data last updated September 30, 2026 and is based on user searches.

One-way flights from London to O'Hare IntlSearch for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.

Search for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.

Find flight deals from London to O'Hare Intl

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Round-trip from

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Compare providers for flights from London to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to O'Hare Intl in September.

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.

Related info for your journey

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

How long is the flight from London, Ontario to Chicago O'Hare Intl Airport?

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

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

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

Traveling to a place near Chicago O'Hare Intl Airport?

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Search flights from London to O'Hare Intl by cabin class

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Other flights to O'Hare Intl

Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.

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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 September 30, 2026.

Best flights from London to O'Hare Intl
Discover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.

Last-minute flights from London to O'Hare Intl
Discover last-minute flight deals from London to O'Hare Intl. Data last updated September 30, 2026 and is based on user searches.

One-way flights from London to O'Hare Intl
Search for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.