HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$102+ Cheap flights from Wisconsin to Ontario

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Wisconsin to Ontario 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 Wisconsin to Ontario

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

This Flightnetwork deal was found by Cheapflights users on 6/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:45 am
ORD
-
YTZ
2 stops8h 35m
Air Canada
Mon 7/67:25 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/15$218
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/302:15 pm
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Sun 8/28:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/15$219
This Vliegwinkel deal was found by Cheapflights users on 6/13. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:00 pm
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Mon 6/2912:15 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/13$220
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:45 am
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Sun 9/208:40 pm
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Deal found 6/15$221
This Gotogate deal was found by Cheapflights users on 6/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:50 am
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Mon 7/68:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/13$221
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:25 am
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Mon 7/207:25 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/14$222
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:00 pm
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Tue 7/287:25 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/15$223
This Mytrip deal was found by Cheapflights users on 6/13. 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.
Thu 7/29:50 am
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Sun 7/58:05 am
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 6/13$223
This Trip.com deal was found by Cheapflights users on 6/14. 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.
Thu 7/22:00 pm
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Mon 7/612:15 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/14$224
This Trip.com deal was found by Cheapflights users on 6/13. 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 9/37:00 am
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Sun 9/61:40 pm
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Deal found 6/13$226
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:00 pm
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Mon 8/2412:15 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/14$227
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:25 am
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Wed 8/57:25 pm
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Deal found 6/14$228

Find flight deals from Wisconsin to Ontario

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$218
(Flightnetwork)

One-way from

$102
(Booking.com)

Popular in

August

Cheapest in

September

Average price

$662
Provider with most accurate pricing for Milwaukee-Mitchell-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Toronto (YTO) flights.
Search Deals
From Wisconsin to Ontario
Search Deals
One-way flight from Wisconsin to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin to Ontario 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 18, 2026.
Use the filters below to find and compare flights from Wisconsin to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 7/26

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Sat 8/1

7:00 am-8:00 am

Nonstop2h 00m

$264

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 8/25

7:09 am-9:54 am

Nonstop1h 45m

Toronto Pearson Intl

Tue 9/1

2:00 pm-2:55 pm

Nonstop1h 55m

$264

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 7/17

2:56 pm-5:56 pm

Nonstop2h 00m

Toronto Pearson Intl

Mon 7/20

9:00 pm-10:05 pm

Nonstop2h 05m

$265

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 7/15

2:56 pm-5:56 pm

Nonstop2h 00m

Toronto Pearson Intl

Wed 7/22

8:45 am-9:45 am

Nonstop2h 00m

$265

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 6/27

5:55 pm-8:44 pm

Nonstop1h 49m

Toronto Pearson Intl

Wed 7/1

2:45 pm-3:50 pm

Nonstop2h 05m

$265

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 7/2

2:56 pm-5:56 pm

Nonstop2h 00m

Toronto Pearson Intl

Tue 7/7

4:00 pm-8:05 pm

1 stop5h 05m

$273

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 8/13

12:56 pm-11:54 pm

1 stop9h 58m

Toronto Pearson Intl

Sun 8/16

8:50 am-9:53 am

Nonstop2h 03m

$274

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 8/8

3:57 pm-10:23 pm

1 stop5h 26m

Toronto Pearson Intl

Thu 8/13

8:50 am-9:53 am

Nonstop2h 03m

$274

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 7/6

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Fri 7/10

7:43 pm-11:31 pm

1 stop4h 48m

$280

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 7/20

5:55 pm-8:44 pm

Nonstop1h 49m

Toronto Pearson Intl

Wed 7/22

12:45 pm-5:02 pm

1 stop5h 17m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Wisconsin to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Wisconsin 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 Wisconsin to Ontario

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

Currently, September is the cheapest month in which you can book a flight from Wisconsin to Region of Ontario (average of $221). Flying from Wisconsin to Region of Ontario in May is currently the most expensive (average of $554). 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.

How much does it cost to fly round-trip from Wisconsin to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 18, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Wisconsin to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,410 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,410 reviews
Delta
7.8
Good
8,410 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,859 reviews
Delta
7.8
Good
8,410 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Wisconsin to Ontario. 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 Wisconsin to Region of Ontario?

    United Airlines, Air Canada, and Sun Country Air can get you from Wisconsin to Region of Ontario in just under 1h 39m. Your travel time will be generally consistent. The distance from Wisconsin to Region of Ontario is about 436 mi. Most flights are nonstop.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Wisconsin to Ontario 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 Wisconsin to Region of Ontario?

    Currently, September is the cheapest month in which you can book a flight from Wisconsin to Region of Ontario (average of $221). Flying from Wisconsin to Region of Ontario in May is currently the most expensive (average of $554). 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 Wisconsin to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Vancouver Intl flights
Newark to Pearson Intl flights
San Francisco to Vancouver Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
Reagan-National to Pearson Intl flights
O'Hare Intl to Vancouver Intl flights
Los Angeles to Pearson Intl flights
Dulles Intl to Pearson Intl flights
John F Kennedy Intl to Calgary flights
O'Hare Intl to Calgary flights
Dallas/Fort Worth to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
San Francisco to Calgary flights
O'Hare Intl to Pearson Intl flights
Newark to Calgary flights
Reagan-National to Pierre Elliott Trudeau Intl flights
San Francisco to Pearson Intl flights
Dulles Intl to Vancouver Intl flights
Boston to Pearson Intl flights
Ontario to Vancouver Intl flights
Seattle to Vancouver Intl flights
Los Angeles to Calgary flights
San Diego to Vancouver Intl flights
Dulles Intl to Calgary flights
Los Angeles to Abbotsford flights
San Francisco to Abbotsford flights
Denver to Vancouver Intl flights
Hobby to Vancouver Intl flights
Orlando to Pearson Intl flights
Dulles Intl to Toronto Island flights
Seattle to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Hobby to Calgary flights
Boston to Vancouver Intl flights
Baltimore to Pearson Intl flights
George Bush Intcntl to Vancouver Intl flights

Top airline flying from Wisconsin to Ontario

Discover the top airline that operate flights from Wisconsin to Ontario. 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$362Average$574FlexibilityNo cancel feeOn-time69%

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.