What airlines fly to London, Ontario?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to London, Ontario from Chicago according to our data. Air Canada is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 3 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago to London Airport?

Prices for flights from Chicago to London Airport refresh daily.

How old do you have to be to fly from Chicago to London Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to London Airport.

What documentation or ID do you need to fly to London Airport?

The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$269 Cheap Flights from Chicago to London in 2025

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Find the cheapest flights from Chicago to London

Round-trip

One-way

Cheap round-trip flights

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

8:00 pm - 4:43 pmYXU-ORD

21h 43m1 stop

$318WestJet

Find Deal

jue., sep. 11 - jue., sep. 18

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

8:00 pm - 7:50 pmYXU-ORD

24h 50m2 stops

$443

Find Deal

jue., sep. 11 - jue., sep. 18

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

6:00 am - 5:39 pmYXU-ORD

36h 39m3 stops

$473

Find Deal

jue., sep. 11 - jue., sep. 18

5:30 pm - 5:12 amORD-YXU

10h 42m1 stop

8:00 pm - 7:50 pmYXU-ORD

24h 50m2 stops

$486

Find Deal

sáb., sep. 13 - sáb., sep. 20

6:44 pm - 5:12 amORD-YXU

33h 28m3 stops

8:00 pm - 7:50 pmYXU-ORD

24h 50m2 stops

$509

Find Deal

jue., sep. 11 - jue., sep. 18

9:55 am - 3:17 pmORD-YXU

4h 22m1 stop

10:00 am - 3:04 pmYXU-ORD

6h 04m1 stop

$590Air Canada

Find Deal

sáb., sep. 13 - sáb., sep. 20

3:50 pm - 9:27 pmORD-YXU

4h 37m1 stop

6:10 am - 12:03 pmYXU-ORD

6h 53m1 stop

$687United Airlines

Find Deal

sáb., sep. 13 - sáb., sep. 20

10:43 am - 9:27 pmORD-YXU

9h 44m2 stops

10:00 am - 3:48 pmYXU-ORD

6h 48m1 stop

$696United Airlines

Find Deal

sáb., sep. 13 - sáb., sep. 20

9:55 am - 5:07 pmORD-YXU

6h 12m1 stop

6:15 am - 9:09 amYXU-ORD

3h 54m1 stop

$732Air Canada

Find Deal

vie., ago. 15 - lun., ago. 18

6:00 am - 3:17 pmORD-YXU

8h 17m2 stops

10:00 am - 6:30 pmYXU-ORD

9h 30m2 stops

$741United Airlines

Find Deal

sáb., sep. 13 - sáb., sep. 20

Air Canada flights from Chicago to London, Ontario

Our best Air Canada deals on Chicago to London, Ontario flight tickets

Air Canada

Sep 13

ORD9:55 amChicago O'Hare Intl

4h 22m

1 stop

YXU3:17 pmLondon

Sep 20

YXU10:00 amLondon

6h 04m

1 stop

ORD3:04 pmChicago O'Hare Intl

$590

Find similar

Air Canada

Aug 15

ORD9:55 amChicago O'Hare Intl

6h 12m

1 stop

YXU5:07 pmLondon

Aug 18

YXU6:15 amLondon

3h 54m

1 stop

ORD9:09 amChicago O'Hare Intl

$732

Find similar

United Airlines flights from Chicago to London, Ontario

Our best United Airlines deals on Chicago to London, Ontario flight tickets

United Airlines

Sep 13

ORD3:50 pmChicago O'Hare Intl

4h 37m

1 stop

YXU9:27 pmLondon

Sep 20

YXU6:10 amLondon

6h 53m

1 stop

ORD12:03 pmChicago O'Hare Intl

$687

Find similar

United Airlines

Sep 13

ORD10:43 amChicago O'Hare Intl

9h 44m

2 stops

YXU9:27 pmLondon

Sep 20

YXU10:00 amLondon

6h 48m

1 stop

ORD3:48 pmChicago O'Hare Intl

$696

Find similar

United Airlines

Sep 13

ORD6:00 amChicago O'Hare Intl

8h 17m

2 stops

YXU3:17 pmLondon

Sep 20

YXU10:00 amLondon

9h 30m

2 stops

ORD6:30 pmChicago O'Hare Intl

$741

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

jue. 9/11

5:30 pm-5:12 am

1 stop10h 42m

London

jue. 9/18

8:00 pm-4:43 pm

1 stop21h 43m

$318

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

jue. 9/11

5:30 pm-5:12 am

1 stop10h 42m

London

jue. 9/18

8:00 pm-7:50 pm

2 stops24h 50m

$443

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

jue. 9/11

5:30 pm-5:12 am

1 stop10h 42m

London

jue. 9/18

6:00 am-5:39 pm

3 stops36h 39m

$473

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 9/13

5:30 pm-5:12 am

1 stop10h 42m

London

sáb. 9/20

8:00 pm-7:50 pm

2 stops24h 50m

$486

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

jue. 9/11

6:44 pm-5:12 am

3 stops33h 28m

London

jue. 9/18

8:00 pm-7:50 pm

2 stops24h 50m

$509

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 9/13

9:55 am-3:17 pm

1 stop4h 22m

London

sáb. 9/20

10:00 am-3:04 pm

1 stop6h 04m

$590

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 9/13

3:50 pm-9:27 pm

1 stop4h 37m

London

sáb. 9/20

6:10 am-12:03 pm

1 stop6h 53m

$687

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 9/13

10:43 am-9:27 pm

2 stops9h 44m

London

sáb. 9/20

10:00 am-3:48 pm

1 stop6h 48m

$696

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

vie. 8/15

9:55 am-5:07 pm

1 stop6h 12m

London

lun. 8/18

6:15 am-9:09 am

1 stop3h 54m

$732

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 9/13

6:00 am-3:17 pm

2 stops8h 17m

London

sáb. 9/20

10:00 am-6:30 pm

2 stops9h 30m

$741

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chicago to London, Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to London, Ontario?

According to our data, Thursday is the cheapest day to fly to London, Ontario from Chicago. The lowest ticket price found for a Thursday departure recently was $316. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London, Ontario on Tuesday is $780.

What is the cheapest time of day to depart on your flight to London, Ontario?

In the morning is the cheapest time of day to fly from Chicago to London, Ontario when you can find flight prices for as low as $587. Flying to London, Ontario in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to London, Ontario, so prices are often more expensive at around $764 per ticket.

When to book flights from Chicago to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to London, Ontario (CHI to YXU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to London, Ontario

Best Price Found	$318
Fastest flight time	4h 22m
Direct flights	None
Airports in London, Ontario	1 airport

The best flight deal from Chicago to London, Ontario found on momondo in the last 72 hours is $318

The fastest flight from Chicago to London, Ontario takes 4h 22m

There are no direct flights from Chicago to London, Ontario. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - London Airport.

There is 1 airport near London, Ontario: London (YXU)

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How far is Chicago to London by plane?
Chicago and London are 334.6 mi apart from one another. In terms of flight time, this usually takes a little over 4h 22m.
When did momondo last update prices for flights from Chicago to London Airport?
Prices for flights from Chicago to London Airport refresh daily.
How old do you have to be to fly from Chicago to London Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why should I use momondo to find a flight deal from Chicago to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to London for you.

Can I find flights from Chicago to London with flexible booking policies on momondo?

Flights from Chicago to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to London.

I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.