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Cheap flights from Ontario to Wisconsin from C$ 170

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Wisconsin

Enter your travel dates to find the best prices.

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 16 March 2026.

Fri 8/55:00 a.m.
YUL
-
ORD
1 stop5h 05m
Air Canada
Sun 10/59:55 a.m.
ORD
-
YUL
1 stop6h 31m
Air Canada
Deal found 12/3C$ 263
Fri 5/64:30 p.m.
YUL
-
ORD
1 stop4h 46m
Air Canada
Mon 8/67:25 a.m.
ORD
-
YUL
1 stop5h 20m
Air Canada
Deal found 12/3C$ 265
Fri 10/49:15 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Mon 13/48:40 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Deal found 13/3C$ 268
Thu 9/41:20 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Sun 12/412:50 p.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 12/3C$ 269
Fri 24/49:15 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 26/47:55 a.m.
ORD
-
YUL
1 stop5h 26m
Air Canada
Deal found 13/3C$ 277
Sat 25/46:30 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Sun 26/46:40 p.m.
ORD
-
YUL
1 stop4h 51m
Air Canada
Deal found 14/3C$ 278
Fri 12/68:40 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Mon 15/67:25 a.m.
ORD
-
YUL
1 stop5h 20m
Air Canada
Deal found 13/3C$ 284
Mon 21/91:40 p.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Thu 24/97:00 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 13/3C$ 287
Wed 9/910:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Wed 16/97:00 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 15/3C$ 289
Thu 23/412:05 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Mon 27/47:55 a.m.
ORD
-
YYZ
Nonstop1h 36m
Air Canada
Deal found 11/3C$ 296
Sat 25/46:30 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Sun 26/44:15 p.m.
ORD
-
YYZ
Nonstop1h 43m
Air Canada
Deal found 12/3C$ 298
Sat 19/910:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 20/911:45 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 12/3C$ 300

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 16 March 2026.

Round-trip from

C$ 263

One-way from

C$ 170
Air Canada
  • Air Canada
  • 8/5-10/5
  • 2 total stops
  • 11h 36m total
  • Ontario to Wisconsin
Search Deals
Air Canada
  • Air Canada
  • 2/6
  • Nonstop
  • 2h 38m total
  • 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 629,999 searches. Data last updated 16 March 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 25/4

5:00 p.m.-6:52 p.m.

Nonstop2h 52m

Chicago O'Hare Intl

Mon 27/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 277

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

6:35 p.m.-11:43 p.m.

1 stop6h 08m

Chicago O'Hare Intl

Sun 26/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 298

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

5:00 p.m.-6:52 p.m.

Nonstop2h 52m

Chicago O'Hare Intl

Tue 21/4

1:00 p.m.-7:45 p.m.

1 stop5h 45m

C$ 316

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:10 a.m.-8:00 a.m.

Nonstop2h 50m

Chicago O'Hare Intl

Sun 12/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 320

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

11:23 a.m.-4:04 p.m.

1 stop5h 41m

Chicago O'Hare Intl

Sun 12/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 324

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

6:35 p.m.-11:43 p.m.

1 stop6h 08m

Chicago O'Hare Intl

Mon 20/4

5:00 a.m.-1:09 p.m.

1 stop7h 09m

C$ 324

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

6:35 p.m.-11:43 p.m.

1 stop6h 08m

Chicago O'Hare Intl

Sun 5/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 324

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 10/4

1:00 p.m.-2:01 p.m.

Nonstop2h 01m

Chicago O'Hare Intl

Fri 17/4

5:57 p.m.-8:44 p.m.

Nonstop1h 47m

C$ 333

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

12:49 p.m.-8:14 p.m.

1 stop8h 25m

Chicago O'Hare Intl

Fri 12/6

1:15 p.m.-11:56 p.m.

1 stop9h 41m

C$ 342

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

12:42 p.m.-6:48 p.m.

1 stop7h 06m

Chicago O'Hare Intl

Tue 21/4

11:19 a.m.-5:40 p.m.

1 stop5h 21m

C$ 342

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 C$ 203). Flying from Region of Ontario to Wisconsin in December is currently the most expensive (average of C$ 753). 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.

Reviews of airlines servicing Wisconsin

Get insights into the airlines that provide service to Wisconsin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Wisconsin. Reviews last updated 16 March 2026.
See what other customers who have flown with United Airlines and WestJet from Ontario to Wisconsin have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,428 reviews
Check prices

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,428 reviews
United Airlines
7.4
Good
9,428 reviews
Check prices

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,295 reviews
United Airlines
7.4
Good
9,428 reviews
Check prices

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    Departing from Region of Ontario to Wisconsin will take you 1h 55m. Region of Ontario and Wisconsin are separated by a distance of 716 km. Most flights are nonstop.

  • 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 C$ 203). Flying from Region of Ontario to Wisconsin in December is currently the most expensive (average of C$ 753). 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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Top 2 airlines flying from Ontario to Wisconsin

Discover the top 2 airlines that operate flights from Ontario to Wisconsin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 202AverageC$ 818FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 622AverageC$ 818FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Wisconsin?

Cheapflights makes it easy to find Ontario to Wisconsin flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Wisconsin?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Wisconsin for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Wisconsin with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Wisconsin, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Wisconsin become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Wisconsin from Ontario today and book when prices fit your budget.

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