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Cheap flights from London, Ontario to Chicago from C$ 338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Chicago departing on 17/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London, Ontario to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:05 a.m. - 1:22 p.m.
YXU
-
ORD
4h 17m
1 stop
Air Canada Logo
2:15 p.m. - 9:40 p.m.
ORD
-
YXU
6h 25m
1 stop
C$ 618Air Canada
Sat, 4 Jul - Sat, 11 Jul
Air Canada Logo
10:05 a.m. - 2:55 p.m.
YXU
-
ORD
5h 50m
1 stop
Air Canada Logo
2:15 p.m. - 9:40 p.m.
ORD
-
YXU
6h 25m
1 stop
C$ 700Air Canada
Wed, 21 Oct - Sat, 24 Oct
Air Canada Logo
10:05 a.m. - 2:55 p.m.
YXU
-
ORD
5h 50m
1 stop
Air Canada Logo
11:05 a.m. - 9:40 p.m.
ORD
-
YXU
9h 35m
2 stops
C$ 704Air Canada
Wed, 21 Oct - Sat, 24 Oct
Air Canada Logo
5:40 a.m. - 2:52 p.m.
YXU
-
ORD
10h 12m
2 stops
Air Canada Logo
3:45 p.m. - 9:40 p.m.
ORD
-
YXU
4h 55m
1 stop
C$ 706Air Canada
Wed, 21 Oct - Sat, 24 Oct
Air Canada Logo
5:40 a.m. - 2:52 p.m.
YXU
-
ORD
10h 12m
2 stops
Air Canada Logo
8:45 a.m. - 5:45 p.m.
ORD
-
YXU
8h 00m
2 stops
C$ 710Air Canada
Wed, 21 Oct - Sat, 24 Oct
Air Canada Logo
10:05 a.m. - 2:55 p.m.
YXU
-
ORD
5h 50m
1 stop
Air Canada Logo
2:15 p.m. - 9:37 p.m.
ORD
-
YXU
6h 22m
1 stop
C$ 728Air Canada
Fri, 26 Jun - Mon, 29 Jun
Multiple Airlines Logo
2:40 p.m. - 12:38 p.m.
YXU
-
MDW
22h 58m
3 stops
Multiple Airlines Logo
9:19 a.m. - 1:50 p.m.
MDW
-
YXU
27h 31m
3 stops
C$ 1,532Multiple Airlines
Tue, 7 Jul - Thu, 9 Jul
WestJet Logo
6:10 a.m. - 12:46 p.m.
YXU
-
MDW
31h 36m
3 stops
WestJet Logo
1:18 p.m. - 1:50 p.m.
MDW
-
YXU
23h 32m
3 stops
C$ 1,666WestJet
Sat, 4 Jul - Sat, 11 Jul
WestJet Logo
6:10 a.m. - 12:46 p.m.
YXU
-
MDW
31h 36m
3 stops
WestJet Logo
6:35 p.m. - 1:50 p.m.
MDW
-
YXU
18h 15m
3 stops
C$ 1,810WestJet
Sat, 4 Jul - Sat, 11 Jul
WestJet Logo
6:10 a.m. - 6:31 p.m.
YXU
-
MDW
13h 21m
2 stops
WestJet Logo
1:49 p.m. - 1:50 p.m.
MDW
-
YXU
23h 01m
2 stops
C$ 1,820WestJet
Sun, 7 Jun - Mon, 15 Jun

United Airlines flights from London, Ontario to Chicago

Our best United Airlines deals on London, Ontario to Chicago flight tickets
United Airlines
1 Jul
YXU10:05 a.m.London
5h 01m
1 stop
ORD2:06 p.m.Chicago O'Hare Intl
8 Jul
ORD2:15 p.m.Chicago O'Hare Intl
6h 25m
1 stop
YXU9:40 p.m.London
C$ 823
United Airlines
9 Jul
YXU5:10 a.m.London
10h 19m
2 stops
ORD2:29 p.m.Chicago O'Hare Intl
16 Jul
ORD9:50 a.m.Chicago O'Hare Intl
4h 05m
1 stop
YXU2:55 p.m.London
C$ 829
United Airlines
4 Jul
YXU5:10 a.m.London
6h 40m
2 stops
ORD10:50 a.m.Chicago O'Hare Intl
11 Jul
ORD1:30 p.m.Chicago O'Hare Intl
7h 10m
2 stops
YXU9:40 p.m.London
C$ 831

Air Canada flights from London, Ontario to Chicago

Our best Air Canada deals on London, Ontario to Chicago flight tickets
Air Canada
4 Jul
YXU10:05 a.m.London
4h 17m
1 stop
ORD1:22 p.m.Chicago O'Hare Intl
11 Jul
ORD2:15 p.m.Chicago O'Hare Intl
6h 25m
1 stop
YXU9:40 p.m.London
C$ 618
Air Canada
21 Oct
YXU10:05 a.m.London
5h 50m
1 stop
ORD2:55 p.m.Chicago O'Hare Intl
24 Oct
ORD2:15 p.m.Chicago O'Hare Intl
6h 25m
1 stop
YXU9:40 p.m.London
C$ 700
Air Canada
21 Oct
YXU10:05 a.m.London
5h 50m
1 stop
ORD2:55 p.m.Chicago O'Hare Intl
24 Oct
ORD11:05 a.m.Chicago O'Hare Intl
9h 35m
2 stops
YXU9:40 p.m.London
C$ 704

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Chicago 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, momondo users made 96,600 searches. Data last updated 21 May 2026.
Use the filters below to find and compare flights from London, Ontario to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 4/7

10:05 a.m.-1:22 p.m.

1 stop4h 17m

Chicago O'Hare Intl

Sat 11/7

2:15 p.m.-9:40 p.m.

1 stop6h 25m

C$ 618

LondonChicago

YXU - ORD

YXUORD

London

Wed 21/10

10:05 a.m.-2:55 p.m.

1 stop5h 50m

Chicago O'Hare Intl

Sat 24/10

2:15 p.m.-9:40 p.m.

1 stop6h 25m

C$ 700

LondonChicago

YXU - ORD

YXUORD

London

Wed 21/10

10:05 a.m.-2:55 p.m.

1 stop5h 50m

Chicago O'Hare Intl

Sat 24/10

11:05 a.m.-9:40 p.m.

2 stops9h 35m

C$ 704

LondonChicago

YXU - ORD

YXUORD

London

Wed 21/10

5:40 a.m.-2:52 p.m.

2 stops10h 12m

Chicago O'Hare Intl

Sat 24/10

3:45 p.m.-9:40 p.m.

1 stop4h 55m

C$ 706

LondonChicago

YXU - ORD

YXUORD

London

Wed 21/10

5:40 a.m.-2:52 p.m.

2 stops10h 12m

Chicago O'Hare Intl

Sat 24/10

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

2 stops8h 00m

C$ 710

LondonChicago

YXU - ORD

YXUORD

London

Fri 26/6

10:05 a.m.-2:55 p.m.

1 stop5h 50m

Chicago O'Hare Intl

Mon 29/6

2:15 p.m.-9:37 p.m.

1 stop6h 22m

C$ 728

LondonChicago

YXU - MDW

YXUMDW

London

Tue 7/7

2:40 p.m.-12:38 p.m.

3 stops22h 58m

Chicago Midway

Thu 9/7

9:19 a.m.-1:50 p.m.

3 stops27h 31m

C$ 1,532

LondonChicago

YXU - MDW

YXUMDW

London

Sat 4/7

6:10 a.m.-12:46 p.m.

3 stops31h 36m

Chicago Midway

Sat 11/7

1:18 p.m.-1:50 p.m.

3 stops23h 32m

C$ 1,666

LondonChicago

YXU - MDW

YXUMDW

London

Sat 4/7

6:10 a.m.-12:46 p.m.

3 stops31h 36m

Chicago Midway

Sat 11/7

6:35 p.m.-1:50 p.m.

3 stops18h 15m

C$ 1,810

LondonChicago

YXU - MDW

YXUMDW

London

Sun 7/6

6:10 a.m.-6:31 p.m.

2 stops13h 21m

Chicago Midway

Mon 15/6

1:49 p.m.-1:50 p.m.

2 stops23h 01m

C$ 1,820

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 Chicago from

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

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 London to Chicago?

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

Which airlines fly to Chicago?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Chicago from London, Ontario according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Chicago

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

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

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

Fastest flight time

4h 20m

Direct flights

None
The fastest flight from London, Ontario to Chicago takes 4h 20m
There are no direct flights from London, Ontario to Chicago. There are no popular flight routes from London, Ontario to Chicago.
Search flight deals

Frequently asked questions about flying from London, Ontario to Chicago

  • How far is London to Chicago by plane?

    The straight-line distance from London to Chicago is 538.5 km. Flights usually cover this in 4h 20m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Airport to Chicago are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Hammond
Munster

Why use momondo?

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

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 London to Chicago for you.

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

Yes. All flights to Chicago from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport