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Cheap flights from London, Ontario to Chicago from C$ 272

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 16/4. 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
5:10 a.m. - 9:10 a.m.
YXU
-
ORD
5h 00m
1 stop
Air Canada Logo
2:00 p.m. - 9:19 p.m.
ORD
-
YXU
6h 19m
1 stop
C$ 585Air Canada
Wed, 15 Apr - Wed, 22 Apr
Air Canada Logo
9:40 a.m. - 1:01 p.m.
YXU
-
ORD
4h 21m
1 stop
Air Canada Logo
9:50 a.m. - 5:04 p.m.
ORD
-
YXU
6h 14m
1 stop
C$ 590Air Canada
Thu, 26 Mar - Thu, 2 Apr
Air Canada Logo
9:25 a.m. - 1:05 p.m.
YXU
-
ORD
4h 40m
1 stop
Air Canada Logo
6:40 p.m. - 8:44 a.m.
ORD
-
YXU
13h 04m
1 stop
C$ 616Air Canada
Sun, 12 Apr - Sun, 19 Apr
Air Canada Logo
9:30 a.m. - 1:22 p.m.
YXU
-
ORD
4h 52m
1 stop
Air Canada Logo
2:15 p.m. - 9:40 p.m.
ORD
-
YXU
6h 25m
1 stop
C$ 644Air Canada
Sat, 1 Aug - Sat, 5 Sep
United Airlines Logo
5:40 p.m. - 10:04 p.m.
YXU
-
ORD
5h 24m
1 stop
United Airlines Logo
5:00 a.m. - 5:04 p.m.
ORD
-
YXU
11h 04m
2 stops
C$ 663United Airlines
Thu, 26 Mar - Thu, 2 Apr
United Airlines Logo
9:25 a.m. - 2:01 p.m.
YXU
-
ORD
5h 36m
1 stop
United Airlines Logo
7:00 a.m. - 5:04 p.m.
ORD
-
YXU
9h 04m
2 stops
C$ 666United Airlines
Wed, 15 Apr - Wed, 22 Apr
United Airlines Logo
5:10 a.m. - 12:00 p.m.
YXU
-
ORD
7h 50m
2 stops
United Airlines Logo
5:00 a.m. - 5:04 p.m.
ORD
-
YXU
11h 04m
2 stops
C$ 671United Airlines
Thu, 26 Mar - Thu, 2 Apr
WestJet Logo
6:10 a.m. - 6:05 p.m.
YXU
-
MDW
12h 55m
2 stops
WestJet Logo
9:30 a.m. - 2:45 p.m.
MDW
-
YXU
28h 15m
3 stops
C$ 1,646WestJet
Sat, 1 Aug - Sat, 5 Sep
Multiple Airlines Logo
5:55 p.m. - 6:31 p.m.
YXU
-
MDW
25h 36m
3 stops
Multiple Airlines Logo
9:30 a.m. - 2:45 p.m.
MDW
-
YXU
28h 15m
3 stops
C$ 1,661Multiple Airlines
Sat, 1 Aug - Sat, 5 Sep
WestJet Logo
8:10 p.m. - 1:25 p.m.
YXU
-
MDW
18h 15m
2 stops
WestJet Logo
10:45 a.m. - 6:35 a.m.
MDW
-
YXU
18h 50m
2 stops
C$ 1,739WestJet
Thu, 26 Mar - Thu, 2 Apr

Air Canada flights from London, Ontario to Chicago

Our best Air Canada deals on London, Ontario to Chicago flight tickets
Air Canada
15 Apr
YXU5:10 a.m.London
5h 00m
1 stop
ORD9:10 a.m.Chicago O'Hare Intl
22 Apr
ORD2:00 p.m.Chicago O'Hare Intl
6h 19m
1 stop
YXU9:19 p.m.London
C$ 585
Air Canada
26 Mar
YXU9:40 a.m.London
4h 21m
1 stop
ORD1:01 p.m.Chicago O'Hare Intl
2 Apr
ORD9:50 a.m.Chicago O'Hare Intl
6h 14m
1 stop
YXU5:04 p.m.London
C$ 590
Air Canada
12 Apr
YXU9:25 a.m.London
4h 40m
1 stop
ORD1:05 p.m.Chicago O'Hare Intl
19 Apr
ORD6:40 p.m.Chicago O'Hare Intl
13h 04m
1 stop
YXU8:44 a.m.London
C$ 616

United Airlines flights from London, Ontario to Chicago

Our best United Airlines deals on London, Ontario to Chicago flight tickets
United Airlines
26 Mar
YXU5:40 p.m.London
5h 24m
1 stop
ORD10:04 p.m.Chicago O'Hare Intl
2 Apr
ORD5:00 a.m.Chicago O'Hare Intl
11h 04m
2 stops
YXU5:04 p.m.London
C$ 663
United Airlines
15 Apr
YXU9:25 a.m.London
5h 36m
1 stop
ORD2:01 p.m.Chicago O'Hare Intl
22 Apr
ORD7:00 a.m.Chicago O'Hare Intl
9h 04m
2 stops
YXU5:04 p.m.London
C$ 666
United Airlines
26 Mar
YXU5:10 a.m.London
7h 50m
2 stops
ORD12:00 p.m.Chicago O'Hare Intl
2 Apr
ORD5:00 a.m.Chicago O'Hare Intl
11h 04m
2 stops
YXU5:04 p.m.London
C$ 671

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 3 March 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

LondonChicago

YXU - ORD

YXUORD

London

Wed 15/4

5:10 a.m.-9:10 a.m.

1 stop5h 00m

Chicago O'Hare Intl

Wed 22/4

2:00 p.m.-9:19 p.m.

1 stop6h 19m

C$ 585

LondonChicago

YXU - ORD

YXUORD

London

Thu 26/3

9:40 a.m.-1:01 p.m.

1 stop4h 21m

Chicago O'Hare Intl

Thu 2/4

9:50 a.m.-5:04 p.m.

1 stop6h 14m

C$ 590

LondonChicago

YXU - ORD

YXUORD

London

Sun 12/4

9:25 a.m.-1:05 p.m.

1 stop4h 40m

Chicago O'Hare Intl

Sun 19/4

6:40 p.m.-8:44 a.m.

1 stop13h 04m

C$ 616

LondonChicago

YXU - ORD

YXUORD

London

Sat 1/8

9:30 a.m.-1:22 p.m.

1 stop4h 52m

Chicago O'Hare Intl

Sat 5/9

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

1 stop6h 25m

C$ 644

LondonChicago

YXU - ORD

YXUORD

London

Thu 26/3

5:40 p.m.-10:04 p.m.

1 stop5h 24m

Chicago O'Hare Intl

Thu 2/4

5:00 a.m.-5:04 p.m.

2 stops11h 04m

C$ 663

LondonChicago

YXU - ORD

YXUORD

London

Wed 15/4

9:25 a.m.-2:01 p.m.

1 stop5h 36m

Chicago O'Hare Intl

Wed 22/4

7:00 a.m.-5:04 p.m.

2 stops9h 04m

C$ 666

LondonChicago

YXU - ORD

YXUORD

London

Thu 26/3

5:10 a.m.-12:00 p.m.

2 stops7h 50m

Chicago O'Hare Intl

Thu 2/4

5:00 a.m.-5:04 p.m.

2 stops11h 04m

C$ 671

LondonChicago

YXU - MDW

YXUMDW

London

Sat 1/8

6:10 a.m.-6:05 p.m.

2 stops12h 55m

Chicago Midway

Sat 5/9

9:30 a.m.-2:45 p.m.

3 stops28h 15m

C$ 1,646

LondonChicago

YXU - MDW

YXUMDW

London

Sat 1/8

5:55 p.m.-6:31 p.m.

3 stops25h 36m

Chicago Midway

Sat 5/9

9:30 a.m.-2:45 p.m.

3 stops28h 15m

C$ 1,661

LondonChicago

YXU - MDW

YXUMDW

London

Thu 26/3

8:10 p.m.-1:25 p.m.

2 stops18h 15m

Chicago Midway

Thu 2/4

10:45 a.m.-6:35 a.m.

2 stops18h 50m

C$ 1,739

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?

WestJet and Air Canada 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 62% 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

5h 24m

Direct flights

None
The fastest flight from London, Ontario to Chicago takes 5h 24m
There are no direct flights from London, Ontario to Chicago. There are no popular flight routes from London, Ontario to Chicago.
Search flight deals

  • 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 5h 24m, 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.

  • What is the most popular airline from London, Ontario to Chicago?

Travelling to a place near Chicago?

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

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