How long is the flight from London, Ontario to Chicago?

For as low as C$ 1,083, Air Canada can have you in Chicago from London, Ontario in 5h 33m. Airlines will cover a distance of 565 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago, 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).

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

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

What airport do you fly from for flights from London to Chicago?

If you book a flight to Chicago from London, you will be flying from London, which is the city’s only airport. London (YXU) is located 8.6 km from the centre of London. There are 0 flights from London to Chicago per day from 0 different airlines.

Can I find deals for flights from London to Chicago that include hotel bookings?

Yes. In addition to deals on London to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London to Chicago?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Chicago.

Can I find deals for business class flights from London to Chicago?

Yes. Cheapflights offers flight deals from London to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 211+ Cheap Flights from London, ON to Chicago

Cheap flight deals from London to Chicago

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Chicago
Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Fri 20/119:30 a.m. -

1 stop15h 04m

Fri 27/117:49 a.m. -

2 stops32h 11m

Deal found 6/10C$ 469

Thu 5/115:30 a.m. -

1 stop4h 53m

Wed 11/118:45 a.m. -

1 stop4h 57m

Deal found 4/10C$ 819

Fri 6/113:25 p.m. -

1 stop5h 33m

Thu 12/118:45 a.m. -

1 stop4h 57m

Deal found 7/10C$ 843

Tue 17/113:25 p.m. -

1 stop5h 33m

Fri 20/118:45 a.m. -

1 stop4h 57m

Deal found 3/10C$ 1,083

Find flight deals from London to Chicago

Round-trip from	C$ 469
One-way from	C$ 211

20/11-27/11
3 total stops
47h 15m total
London to Chicago

Search Deals

20/11-31/12
1 total stop
15h 04m total
London to Chicago

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Fri 20/11

9:30 a.m.-11:34 p.m.

1 stop15h 04m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 211

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 19/11

10:00 a.m.-12:13 a.m.

2 stops15h 13m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 315

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Sat 21/11

10:00 a.m.-11:18 p.m.

2 stops14h 18m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 340

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Fri 20/11

9:30 a.m.-11:18 p.m.

3 stops38h 48m

Chicago O'Hare Intl

Fri 27/11

7:49 a.m.-5:00 p.m.

3 stops32h 11m

C$ 699

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Tue 17/11

3:25 p.m.-7:58 p.m.

1 stop5h 33m

Chicago O'Hare Intl

Fri 20/11

8:45 a.m.-2:42 p.m.

1 stop4h 57m

C$ 1,083

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Thu 11/3

5:30 a.m.-2:35 p.m.

2 stops10h 05m

Chicago O'Hare Intl

Mon 15/3

11:45 a.m.-9:49 p.m.

2 stops9h 04m

C$ 1,131

Quickest round-trip

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Wed 21/10

3:30 p.m.-7:48 p.m.

1 stop5h 18m

Chicago O'Hare Intl

Sat 24/10

2:15 p.m.-7:40 p.m.

1 stop4h 25m

C$ 1,219

LondonChicago

YXU London - ORD Chicago O'Hare Intl

YXUORD

London

Wed 21/10

3:30 p.m.-11:32 p.m.

2 stops9h 02m

Chicago O'Hare Intl

Sat 24/10

6:00 a.m.-2:50 p.m.

2 stops7h 50m

C$ 1,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Sorted by cheapest first

Best time to book a flight from London to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from London with our price prediction graph.

YXU-CHI

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.

Cheapflights Insights

Everything you need to know about your flight from London to Chicago

YXU-CHI

YXU-ORD

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from London to Chicago?
If you book a flight to Chicago from London, you will be flying from London, which is the city’s only airport. London (YXU) is located 8.6 km from the centre of London. There are 0 flights from London to Chicago per day from 0 different airlines.
How long is the flight from London, Ontario to Chicago?
For as low as C$ 1,083, Air Canada can have you in Chicago from London, Ontario in 5h 33m. Airlines will cover a distance of 565 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from London to Chicago that include hotel bookings?
Yes. In addition to deals on London to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Chicago.
Can I find deals for business class flights from London to Chicago?
Yes. Cheapflights offers flight deals from London to Chicago 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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Deals for London to Chicago 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 Chicago?

Cheapflights helps you find that perfect flight to Chicago from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Chicago with no change fees?

Certainly. Search results for flights to Chicago 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 Chicago become cheaper?

Yes, Cheapflights offers price alerts on London to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled 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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Cheap flights from London, ON to Chicago from C$ 211

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Chicago

Cheapest flights from London to ChicagoExplore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Best flights from London to ChicagoDiscover carefully curated flight deals from London to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Discover carefully curated flight deals from London to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Last-minute flights from London to ChicagoDiscover last-minute flight deals from London to Chicago. Data last updated 7 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Chicago. Data last updated 7 October 2026 and is based on user searches.

One-way flights from London to ChicagoSearch for one-way flight options from London to Chicago. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

Search for one-way flight options from London to Chicago. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

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Best time to book a flight from London to Chicago

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Related info for your journey

What airport do you fly from for flights from London to Chicago?

How long is the flight from London, Ontario to Chicago?

Can I find deals for flights from London to Chicago that include hotel bookings?

How can I find direct flights from London to Chicago?

Can I find deals for business class flights from London to Chicago?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Chicago

Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.

Complete your trip

Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Illinois

Book a non-stop flight to one of these other cities located in Illinois.

Search flights from London to Chicago by cabin class

Find flights from London to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Chicago flights

Browse other London and Chicago flight options. Last updated on 7 October 2026.

Other flights from London

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Check out other popular destinations found by fellow travellers in 2026

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How does Cheapflights help users find flights from London to Chicago?

Why should you use Cheapflights to find cheap flight tickets from London to Chicago?

Can Cheapflights find flights from London to Chicago with no change fees?

Can Cheapflights notify me if prices for flights from London to Chicago become cheaper?

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Cheapest flights from London to Chicago
Explore the most affordable flight options available from London to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.

Best flights from London to Chicago
Discover carefully curated flight deals from London to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Last-minute flights from London to Chicago
Discover last-minute flight deals from London to Chicago. Data last updated 7 October 2026 and is based on user searches.

One-way flights from London to Chicago
Search for one-way flight options from London to Chicago. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.