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Cheap flights from Chicago to London from $260

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:30 pm - 5:20 amORD  Chicago O'Hare Intl-YXU London
10h 50m1 stop Calgary
WestJet Logo
6:10 am - 4:40 pmYXU  London-ORD Chicago O'Hare Intl
11h 30m1 stop Calgary
$499WestJet
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
5:30 pm - 5:20 amORD  Chicago O'Hare Intl-YXU London
10h 50m1 stop Calgary
Multiple Airlines Logo
5:55 pm - 12:24 amYXU  London-ORD Chicago O'Hare Intl
31h 29m2 stops Calgary Denver Intl
$580Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Air Canada Logo
9:50 am - 2:50 pmORD  Chicago O'Hare Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:40 am - 9:00 amYXU  London-ORD Chicago O'Hare Intl
4h 20m1 stop Toronto Pearson Intl
$585Air Canada
Sun, Sep 6 - Sat, Sep 12
Air Canada Logo
9:50 am - 2:50 pmORD  Chicago O'Hare Intl-YXU London
4h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:40 am - 2:45 pmYXU  London-ORD Chicago O'Hare Intl
10h 05m2 stops Toronto Pearson Intl Newark
$604Air Canada
Sun, Sep 6 - Sat, Sep 12
Multiple Airlines Logo
8:45 am - 5:20 amORD  Chicago O'Hare Intl-YXU London
19h 35m2 stops Montreal Pierre Elliott Trudeau Intl Calgary
Multiple Airlines Logo
10:05 am - 1:23 pmYXU  London-ORD Chicago O'Hare Intl
4h 18m1 stop Toronto Pearson Intl
$609Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Air Canada Logo
9:55 am - 2:50 pmORD  Chicago O'Hare Intl-YXU London
3h 55m1 stop Toronto Pearson Intl
Air Canada Logo
3:30 pm - 7:48 pmYXU  London-ORD Chicago O'Hare Intl
5h 18m1 stop Toronto Pearson Intl
$617Air Canada
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
8:45 am - 5:20 amORD  Chicago O'Hare Intl-YXU London
19h 35m2 stops Montreal Pierre Elliott Trudeau Intl Calgary
Multiple Airlines Logo
10:05 am - 1:23 pmYXU  London-ORD Chicago O'Hare Intl
4h 18m1 stop Toronto Pearson Intl
$631Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Air Canada Logo
8:50 am - 2:50 pmORD  Chicago O'Hare Intl-YXU London
5h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:40 am - 9:48 amYXU  London-ORD Chicago O'Hare Intl
5h 08m1 stop Toronto Pearson Intl
$636Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
8:50 am - 2:50 pmORD  Chicago O'Hare Intl-YXU London
5h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:40 am - 9:48 amYXU  London-ORD Chicago O'Hare Intl
5h 08m1 stop Toronto Pearson Intl
$644Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
8:50 am - 2:50 pmORD  Chicago O'Hare Intl-YXU London
5h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:40 am - 2:52 pmYXU  London-ORD Chicago O'Hare Intl
10h 12m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$645Air Canada
Thu, Sep 24 - Mon, Sep 28

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Air Canada flights from Chicago to London, Ontario

Our best Air Canada deals on Chicago to London, Ontario flight tickets
Air Canada
Sep 6
ORD9:50 amChicago O'Hare Intl
4h 00m
1 stop
YXU2:50 pmLondon
Sep 12
YXU5:40 amLondon
4h 20m
1 stop
ORD9:00 amChicago O'Hare Intl
$585
Air Canada
Sep 6
ORD9:50 amChicago O'Hare Intl
4h 00m
1 stop
YXU2:50 pmLondon
Sep 12
YXU5:40 amLondon
10h 05m
2 stops
ORD2:45 pmChicago O'Hare Intl
$604
Air Canada
Sep 30
ORD9:55 amChicago O'Hare Intl
3h 55m
1 stop
YXU2:50 pmLondon
Oct 7
YXU3:30 pmLondon
5h 18m
1 stop
ORD7:48 pmChicago O'Hare Intl
$617

WestJet flights from Chicago to London, Ontario

Our best WestJet deals on Chicago to London, Ontario flight tickets
WestJet
Oct 4
ORD5:30 pmChicago O'Hare Intl
10h 50m
1 stop
YXU5:20 amLondon
Oct 11
YXU6:10 amLondon
11h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$499
WestJet
Oct 2
ORD5:30 pmChicago O'Hare Intl
10h 50m
1 stop
YXU5:20 amLondon
Oct 9
YXU6:10 amLondon
11h 30m
1 stop
ORD4:40 pmChicago O'Hare Intl
$702
WestJet
Oct 1
ORD5:30 pmChicago O'Hare Intl
10h 50m
1 stop
YXU5:20 amLondon
Oct 8
YXU5:55 pmLondon
23h 45m
1 stop
ORD4:40 pmChicago O'Hare Intl
$1,245

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago to London, Ontario that are best for you.

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Price

Cheapest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 10/4

5:30 pm-5:20 am

1 stop10h 50m

London

Sun 10/11

6:10 am-4:40 pm

1 stop11h 30m

$499

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 10/4

5:30 pm-5:20 am

1 stop10h 50m

London

Sun 10/11

5:55 pm-12:24 am

2 stops31h 29m

$580
Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 9/6

9:50 am-2:50 pm

1 stop4h 00m

London

Sat 9/12

5:40 am-9:00 am

1 stop4h 20m

$585

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 9/6

9:50 am-2:50 pm

1 stop4h 00m

London

Sat 9/12

5:40 am-2:45 pm

2 stops10h 05m

$604

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Wed 9/30

8:45 am-5:20 am

2 stops19h 35m

London

Wed 10/7

10:05 am-1:23 pm

1 stop4h 18m

$609

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Wed 9/30

9:55 am-2:50 pm

1 stop3h 55m

London

Wed 10/7

3:30 pm-7:48 pm

1 stop5h 18m

$617

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Wed 9/30

8:45 am-5:20 am

2 stops19h 35m

London

Wed 10/7

10:05 am-1:23 pm

1 stop4h 18m

$631

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Thu 9/24

8:50 am-2:50 pm

1 stop5h 00m

London

Mon 9/28

5:40 am-9:48 am

1 stop5h 08m

$636

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Thu 9/24

8:50 am-2:50 pm

1 stop5h 00m

London

Mon 9/28

5:40 am-9:48 am

1 stop5h 08m

$644

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Thu 9/24

8:50 am-2:50 pm

1 stop5h 00m

London

Mon 9/28

5:40 am-2:52 pm

2 stops10h 12m

$645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

What is the cheapest airline that flies from Chicago to London?

WestJet and Air Canada are the most popular carriers operating from Chicago to London

What airlines fly to London, Ontario?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to London, Ontario from Chicago according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 7 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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

$260

Fastest flight time

3h 55m

Direct flights

None
The best one-way flight to London, Ontario from Chicago in the past 72 hours is $260. The best round-trip flight deal from Chicago to London, Ontario found on momondo in the last 72 hours is $499.
The fastest flight from Chicago to London, Ontario takes 3h 55m
There are no direct flights from Chicago to London, Ontario. There are no popular flight routes from Chicago to London, Ontario.
Search flight deals

Frequently asked questions about flying from Chicago to London, Ontario

  • 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 3h 55m.

  • 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend
Port Stanley

Why use momondo?

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.

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