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Wisconsin

$117+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:00 pmYYZ - ORD
Nonstop2h 05mUnited Airlines
Sat 1/317:10 amORD - YYZ
Nonstop1h 48mUnited Airlines
Deal found 12/15$204
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Mon 2/24:50 pmORD - YYZ
Nonstop1h 55mUnited Airlines
Deal found 12/15$210
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:00 pmYYZ - ORD
Nonstop2h 05mUnited Airlines
Wed 2/48:45 amORD - YYZ
1 stop4h 29mUnited Airlines
Deal found 12/15$214
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmYYZ - ORD
1 stop5h 55mUnited Airlines
Thu 1/18:51 amORD - YYZ
1 stop13h 55mUnited Airlines
Deal found 12/16$237
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Fri 1/96:17 pmORD - YYZ
1 stop4h 29mUnited Airlines
Deal found 12/15$252
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmYYZ - ORD
1 stop5h 55mUnited Airlines
Wed 3/256:25 pmORD - YYZ
Nonstop1h 53mUnited Airlines
Deal found 12/14$268
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Thu 2/511:15 amORD - YYZ
Nonstop1h 46mUnited Airlines
Deal found 12/15$276
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmYYZ - ORD
1 stop5h 55mUnited Airlines
Sat 3/283:40 pmORD - YYZ
1 stop6h 40mUnited Airlines
Deal found 12/14$278
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmYYZ - ORD
1 stop5h 55mUnited Airlines
Fri 3/274:30 pmORD - YYZ
1 stop5h 50mUnited Airlines
Deal found 12/14$282
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmYYZ - ORD
1 stop5h 55mUnited Airlines
Sun 1/48:46 pmORD - YYZ
1 stop10h 49mUnited Airlines
Deal found 12/14$291
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Thu 2/51:13 pmORD - YYZ
Nonstop1h 49mUnited Airlines
Deal found 12/15$292
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:25 pmYUL - ORD
1 stop17h 19mUnited Airlines
Mon 1/57:00 amORD - YUL
1 stop4h 46mUnited Airlines
Deal found 12/16$301

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 December 16, 2025.

Round-trip from

$180
(Air Canada)

One-way from

$117
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$514
From Ontario to Wisconsin
Search Deals
One-way flight from Ontario to Wisconsin
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 16, 2025.
Use the filters below to find and compare flights from Ontario to Wisconsin that are best for you.

Fly from

Ontario

Fly to

Wisconsin

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 2/8

11:00 am-12:08 pm

Nonstop2h 08m

Chicago O'Hare Intl

Mon 2/16

6:28 pm-9:21 pm

Nonstop1h 53m

$186

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 2/24

10:51 am-12:00 pm

Nonstop2h 09m

Chicago O'Hare Intl

Fri 2/27

6:28 pm-9:21 pm

Nonstop1h 53m

$186

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 2/5

9:00 am-10:06 am

Nonstop2h 06m

Chicago O'Hare Intl

Sun 2/8

7:10 am-9:58 am

Nonstop1h 48m

$186

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 2/6

6:25 pm-8:10 pm

Nonstop2h 45m

Chicago O'Hare Intl

Mon 2/9

7:15 am-10:20 am

Nonstop2h 05m

$189

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

4:45 pm-6:51 pm

Nonstop3h 06m

Chicago O'Hare Intl

Sun 2/8

11:15 am-7:48 pm

1 stop7h 33m

$189

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 2/6

9:15 am-2:25 pm

1 stop6h 10m

Chicago O'Hare Intl

Mon 2/9

3:35 pm-9:42 pm

1 stop5h 07m

$194

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Fri 1/16

8:30 am-2:55 pm

1 stop7h 25m

Chicago O'Hare Intl

Sun 1/18

7:15 am-2:55 pm

1 stop6h 40m

$199

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 2/5

5:10 pm-10:34 pm

1 stop6h 24m

Chicago O'Hare Intl

Sun 2/8

5:35 pm-10:44 pm

1 stop4h 09m

$213

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 1/17

3:30 pm-8:10 pm

1 stop5h 40m

Chicago O'Hare Intl

Mon 1/19

3:35 pm-9:35 pm

1 stop5h 00m

$214

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

2:40 pm-9:43 pm

1 stop8h 03m

Chicago O'Hare Intl

Sat 2/7

5:35 pm-11:12 pm

1 stop4h 37m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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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 July is currently the most expensive (average of $483). 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.

What is the cheapest time of day to fly from ON to WI?

Find hourly flight availability from Ontario to Wisconsin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s typically best to fly out from Region of Ontario to Wisconsin in the evening. Doing so could potentially save you 49% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 2h 08m. United Airlines provides one of the quickest options available for as low as $186. 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 July is currently the most expensive (average of $483). 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

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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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