HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Wisconsin

$108+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Wisconsin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Wisconsin

Keep the following information in mind while searching for Ontario to Wisconsin flight deals. Data was last updated June 12, 2025.

Round-trip from

$164
(United Airlines)

One-way from

$108
(Air Canada)

Popular in

June

Cheapest in

February

Average price

$511
From Ontario to Wisconsin
Search Deals
One-way flight from Ontario to Wisconsin
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 9/197:00 amYYZ - ORD
Nonstop1h 59mUnited Airlines
Mon 9/229:12 pmORD - YYZ
Nonstop1h 46mUnited Airlines
Deal found 6/12$164
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Wed 9/108:15 amYYZ - ORD
Nonstop1h 53mAir Canada
Fri 9/126:20 pmORD - YYZ
Nonstop1h 42mAir Canada
Deal found 6/12$165
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:45 pmYYZ - ORD
1 stop5h 42mAmerican Airlines
Thu 10/29:48 amORD - YYZ
1 stop6h 27mAmerican Airlines
Deal found 6/10$191
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Sat 10/410:25 amYTZ - ORD
1 stop5h 30mAir Canada
Wed 10/1510:40 amORD - YTZ
1 stop5h 05mAir Canada
Deal found 6/11$207
This Kissandfly.com deal was found by Cheapflights users on 6/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/37:00 amYYZ - ORD
Nonstop1h 59mLufthansa
Mon 7/79:14 pmORD - YYZ
Nonstop1h 44mLufthansa
Deal found 6/11$209
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:04 pmYYZ - ORD
1 stop6h 17mDelta
Sun 7/69:00 amORD - YYZ
1 stop7h 15mDelta
Deal found 6/9$219
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Wed 8/271:20 pmYUL - ORD
Nonstop2h 35mAir Canada
Wed 9/38:40 amORD - YUL
Nonstop2h 17mAir Canada
Deal found 6/10$227
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:50 amYUL - ORD
1 stop15h 59mAmerican Airlines
Tue 9/29:11 pmORD - YUL
1 stop14h 17mAmerican Airlines
Deal found 6/9$231
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amYUL - ORD
1 stop10h 38mDelta
Wed 10/86:00 amORD - YUL
1 stop9h 06mDelta
Deal found 6/10$237
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Thu 6/1911:10 amYYZ - MSP
Nonstop2h 13mAir Canada
Tue 6/247:15 amMSP - YYZ
Nonstop2h 03mAir Canada
Deal found 6/10$241
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:40 amYYZ - MSP
Nonstop2h 13mSun Country Air
Sun 7/203:48 pmMSP - YYZ
Nonstop2h 00mSun Country Air
Deal found 6/10$248
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/254:00 pmYYZ - ORD
1 stop6h 30mMultiple Airlines
Fri 8/16:20 pmORD - YYZ
Nonstop1h 44mMultiple Airlines
Deal found 6/10$249

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 June 12, 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

Fri 9/19

7:00 am-7:59 am

Nonstop1h 59m

Chicago O'Hare Intl

Mon 9/22

9:12 pm-11:58 pm

Nonstop1h 46m

$164

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 9/10

8:15 am-9:08 am

Nonstop1h 53m

Chicago O'Hare Intl

Fri 9/12

6:20 pm-9:02 pm

Nonstop1h 42m

$165

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 9/30

3:45 pm-8:27 pm

1 stop5h 42m

Chicago O'Hare Intl

Thu 10/2

9:48 am-5:15 pm

1 stop6h 27m

$191

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 8/30

3:25 pm-8:16 pm

1 stop5h 51m

Chicago O'Hare Intl

Fri 9/12

10:40 am-4:45 pm

1 stop5h 05m

$207

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 7/3

7:00 am-7:59 am

Nonstop1h 59m

Chicago O'Hare Intl

Mon 7/7

9:14 pm-11:58 pm

Nonstop1h 44m

$209

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 7/4

5:04 pm-10:21 pm

1 stop6h 17m

Chicago O'Hare Intl

Sun 7/6

9:00 am-5:15 pm

1 stop7h 15m

$219

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 8/27

1:20 pm-2:55 pm

Nonstop2h 35m

Chicago O'Hare Intl

Wed 9/3

8:40 am-11:57 am

Nonstop2h 17m

$227

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

7:50 am-10:49 pm

1 stop15h 59m

Chicago O'Hare Intl

Tue 9/2

9:11 pm-12:28 pm

1 stop14h 17m

$231

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

11:00 am-6:02 pm

1 stop8h 02m

Chicago O'Hare Intl

Mon 9/8

1:30 pm-11:53 pm

1 stop9h 23m

$237

TorontoMinneapolis

YYZ - MSP

YYZMSP

Toronto Pearson Intl

Thu 7/17

11:40 am-12:53 pm

Nonstop2h 13m

Minneapolis St Paul

Sun 7/20

3:48 pm-6:48 pm

Nonstop2h 00m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 results
1
2
3
...
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, February is the cheapest month in which you can book a flight from Region of Ontario to Wisconsin (average of $280). Flying from Region of Ontario to Wisconsin in June is currently the most expensive (average of $376). 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 June 12, 2025.

When flying from Region of Ontario to Wisconsin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wisconsin ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Wisconsin when rainfall is around 1.4 in.

Temperature in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wisconsin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
To help decide which airline to fly from Ontario to Wisconsin, see what other customers have to say about Alaska Airlines, Porter Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Region of Ontario to Wisconsin one-way?

    One-way options have recently been found by users for as low as $108 on Air Canada. Other airlines that offer cheap prices include United Airlines from $111 and American Airlines from $121 one-way.

  • 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, February is the cheapest month in which you can book a flight from Region of Ontario to Wisconsin (average of $280). Flying from Region of Ontario to Wisconsin in June is currently the most expensive (average of $376). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Wisconsin

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Newark flights
Pearson Intl to John F Kennedy Intl flights
Toronto Island to Newark flights
Pearson Intl to LaGuardia flights
Pearson Intl to Los Angeles flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Miami flights
Pearson Intl to Orlando flights
Pearson Intl to San Francisco flights
Vancouver Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to Seattle flights
Pearson Intl to Seattle flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Boston flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Miami flights
Vancouver Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Orlando flights
Toronto Island to Fort Lauderdale flights
Vancouver Intl to San Diego flights
Vancouver Intl to LaGuardia flights
Vancouver Intl to Honolulu flights
Vancouver Intl to O'Hare Intl flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Boston flights
Pearson Intl to Atlanta flights
Pearson Intl to Dulles Intl flights
Toronto Island to Midway flights
Vancouver Intl to Boston flights
Vancouver Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Boston flights
Pearson Intl to Nashville flights
Vancouver Intl to Miami flights
Pierre Elliott Trudeau Intl to San Francisco flights
Toronto Island to Orlando flights
Pearson Intl to Tampa flights
Pearson Intl to Denver flights
Vancouver Intl to Santa Ana flights

Top airline flying from Ontario to Wisconsin

Discover the top airline 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$482FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.