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Wisconsin

$123+ Cheap flights from Ontario to Wisconsin

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from Ontario to Wisconsin

Cheapest flights from Ontario to Wisconsin
Explore the most affordable flight options available from Ontario to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.

This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:30 pm
YUL
-
ORD
Nonstop2h 38m
Air Canada
Fri 5/88:45 am
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 3/17$190
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:15 am
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 4/1212:50 pm
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 3/17$192
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:15 am
YUL
-
ORD
Nonstop2h 38m
Air Canada
Wed 4/1512:50 pm
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 3/17$193
This Trip.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:30 pm
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 5/108:45 am
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 3/14$194
This Super.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:05 am
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Mon 9/77:00 am
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 3/17$194
This Trip.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:30 pm
YUL
-
ORD
Nonstop2h 35m
Air Canada
Sun 4/268:40 am
ORD
-
YUL
Nonstop2h 11m
Air Canada
Deal found 3/14$195
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:15 am
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 4/264:15 pm
ORD
-
YUL
1 stop4h 36m
Air Canada
Deal found 3/17$199
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:15 am
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 4/1212:50 pm
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 3/17$200
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:30 pm
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sat 5/238:45 am
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 3/16$201
This SmartFares deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:30 pm
YUL
-
ORD
Nonstop2h 35m
Air Canada
Sat 5/22:15 pm
ORD
-
YUL
1 stop5h 36m
Air Canada
Deal found 3/17$202
This FlightHub deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:05 am
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 9/1311:45 am
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 3/17$204
This FlightHub deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:40 pm
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Mon 9/217:00 am
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 3/16$209

Find flight deals from Ontario to Wisconsin

Keep the following information in mind while searching for Ontario to Wisconsin flight deals. Data was last updated March 18, 2026.

Round-trip from

$190
(Trip.com)

One-way from

$123
(Trip.com)
From Ontario to Wisconsin
Search Deals
One-way flight from Ontario to Wisconsin
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Wisconsin 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, Cheapflights users made 2,558,603 searches. Data last updated March 18, 2026.
Use the filters below to find and compare flights from Ontario to Wisconsin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

7:10 am-11:47 am

1 stop5h 37m

Chicago O'Hare Intl

Mon 6/1

7:07 am-5:43 pm

1 stop9h 36m

$235

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 5/2

6:00 am-12:49 pm

1 stop7h 49m

Chicago O'Hare Intl

Sat 5/23

12:30 pm-11:41 pm

1 stop10h 11m

$235

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

6:00 am-10:19 am

1 stop5h 19m

Chicago O'Hare Intl

Thu 4/23

7:10 am-5:40 pm

1 stop9h 30m

$235

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 7/16

4:00 pm-4:57 pm

Nonstop1h 57m

Chicago O'Hare Intl

Mon 7/20

2:15 pm-5:01 pm

Nonstop1h 46m

$248

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

12:49 pm-8:14 pm

1 stop8h 25m

Chicago O'Hare Intl

Fri 6/12

1:15 pm-11:56 pm

1 stop9h 41m

$249

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 4/18

12:42 pm-6:48 pm

1 stop7h 06m

Chicago O'Hare Intl

Tue 4/21

11:19 am-5:40 pm

1 stop5h 21m

$249
Quickest round-trip

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 7/25

12:15 pm-1:10 pm

Nonstop1h 55m

Chicago O'Hare Intl

Wed 7/29

2:00 pm-4:41 pm

Nonstop1h 41m

$265

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Fri 6/26

7:20 pm-8:16 pm

Nonstop1h 56m

Chicago O'Hare Intl

Sat 7/4

11:03 am-6:42 pm

1 stop6h 39m

$271

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Fri 6/26

7:20 pm-8:16 pm

Nonstop1h 56m

Chicago O'Hare Intl

Sun 7/5

7:25 am-10:06 am

Nonstop1h 41m

$271

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Thu 6/18

7:20 pm-8:16 pm

Nonstop1h 56m

Chicago O'Hare Intl

Sun 6/21

7:25 am-10:06 am

Nonstop1h 41m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Wisconsin

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

What is the cheapest month to book a flight from Region of Ontario to Wisconsin?

Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Wisconsin (average of $148). Flying from Region of Ontario to Wisconsin in December is currently the most expensive (average of $549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Wisconsin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Wisconsin?

    A quick flight from Region of Ontario to Wisconsin can take about 1h 57m. Delta provides one of the quickest options available for as low as $248. There are 436 mi between Region of Ontario and Wisconsin. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Ontario to Wisconsin that include hotel bookings?

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

  • How can I find direct flights from Ontario to Wisconsin?

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

  • Can I find deals for business class flights from Ontario to Wisconsin?

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

  • What is the cheapest month to book a flight from Region of Ontario to Wisconsin?

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Wisconsin (average of $148). Flying from Region of Ontario to Wisconsin in December is currently the most expensive (average of $549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Wisconsin

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