Find flights
When to book
FAQs

Cheap flights from Milwaukee to Ontario from C$ 158

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Milwaukee to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Milwaukee to Ontario
Explore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Thu 27/1112:35 p.m.MKE - YYZ
1 stop10h 36mMultiple Airlines
Thu 4/125:15 p.m.YYZ - MKE
1 stop17h 24mMultiple Airlines
Deal found 28/10C$ 428
Thu 4/1210:34 a.m.MKE - YYZ
1 stop12h 37mMultiple Airlines
Sun 7/128:20 p.m.YYZ - MKE
1 stop14h 19mMultiple Airlines
Deal found 28/10C$ 429
Fri 12/1210:34 a.m.MKE - YYZ
1 stop8h 26mMultiple Airlines
Sun 14/128:00 p.m.YYZ - MKE
1 stop14h 39mMultiple Airlines
Deal found 27/10C$ 449
Thu 11/1210:34 a.m.MKE - YYZ
1 stop12h 37mMultiple Airlines
Sun 14/128:00 p.m.YYZ - MKE
1 stop14h 39mMultiple Airlines
Deal found 27/10C$ 454
Thu 11/1210:34 a.m.MKE - YYZ
1 stop12h 37mMultiple Airlines
Sat 13/128:20 p.m.YYZ - MKE
1 stop14h 19mMultiple Airlines
Deal found 27/10C$ 460
Fri 5/125:00 a.m.MKE - YYZ
1 stop15h 29mAmerican Airlines
Mon 8/126:24 p.m.YYZ - MKE
1 stop14h 34mAmerican Airlines
Deal found 28/10C$ 500
Thu 11/1210:34 a.m.MKE - YOW
2 stops34h 20mMultiple Airlines
Thu 18/124:20 p.m.YOW - MKE
1 stop28h 00mMultiple Airlines
Deal found 27/10C$ 544
Sun 14/1210:34 a.m.MKE - YYZ
1 stop24h 09mMultiple Airlines
Wed 17/1210:45 p.m.YYZ - MKE
2 stops19h 42mMultiple Airlines
Deal found 29/10C$ 548
Tue 18/115:00 a.m.MKE - YYZ
1 stop10h 04mAmerican Airlines
Fri 21/116:20 p.m.YYZ - MKE
1 stop14h 55mAmerican Airlines
Deal found 29/10C$ 562
Thu 11/1210:34 a.m.MKE - YUL
2 stops32h 10mMultiple Airlines
Thu 18/122:37 p.m.YUL - MKE
1 stop8h 11mMultiple Airlines
Deal found 26/10C$ 669
Thu 11/125:00 a.m.MKE - YOW
2 stops7h 18mUnited Airlines
Thu 18/126:00 a.m.YOW - MKE
2 stops12h 07mUnited Airlines
Deal found 27/10C$ 678
Thu 4/128:05 a.m.MKE - YUL
2 stops13h 37mAmerican Airlines
Sun 7/123:50 p.m.YUL - MKE
1 stop17h 27mAmerican Airlines
Deal found 27/10C$ 728

Cheap flight deals from Milwaukee to Ontario

Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated 29 October 2025.

Round-trip from

C$ 428

One-way from

C$ 158

Popular in

August

Cheapest in

March

Average price

C$ 897
27/11-4/12
  • 27/11-4/12
  • 2 total stops
  • 28h 00m total
  • Milwaukee to Ontario
Search Deals
12/12
  • 12/12
  • 1 total stop
  • 8h 26m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee 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 629,999 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

Milwaukee

Fly to

Ontario

Route

Depart

Return

Price

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 27/11

12:35 p.m.-12:11 a.m.

1 stop10h 36m

Toronto Pearson Intl

Thu 4/12

5:15 p.m.-9:39 a.m.

1 stop17h 24m

C$ 428

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 4/12

10:34 a.m.-12:11 a.m.

1 stop12h 37m

Toronto Pearson Intl

Sun 7/12

7:15 a.m.-9:39 a.m.

2 stops27h 24m

C$ 435

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 12/12

10:34 a.m.-8:00 p.m.

1 stop8h 26m

Toronto Pearson Intl

Sun 14/12

8:00 p.m.-9:39 a.m.

1 stop14h 39m

C$ 449

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 11/12

10:34 a.m.-12:11 a.m.

1 stop12h 37m

Toronto Pearson Intl

Sun 14/12

8:00 p.m.-9:39 a.m.

1 stop14h 39m

C$ 454

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 12/12

10:34 a.m.-8:00 p.m.

1 stop8h 26m

Toronto Pearson Intl

Sat 13/12

3:25 p.m.-9:39 a.m.

1 stop19h 14m

C$ 454

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 5/12

5:00 a.m.-9:29 p.m.

1 stop15h 29m

Toronto Pearson Intl

Mon 8/12

6:24 p.m.-7:58 a.m.

1 stop14h 34m

C$ 500

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 30/1

7:32 a.m.-4:03 p.m.

1 stop7h 31m

Toronto Pearson Intl

Mon 2/2

11:35 a.m.-6:26 p.m.

1 stop7h 51m

C$ 500

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Fri 16/1

6:58 p.m.-3:08 p.m.

1 stop19h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

3:52 p.m.-11:00 a.m.

1 stop20h 08m

C$ 504

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Fri 27/2

4:46 p.m.-3:09 p.m.

1 stop21h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

3:55 p.m.-11:42 a.m.

1 stop20h 47m

C$ 504

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Sun 5/4

2:24 p.m.-9:14 p.m.

1 stop5h 50m

Ottawa

Wed 8/4

5:25 p.m.-10:09 p.m.

1 stop5h 44m

C$ 507

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 40 results
1
2
3
4

Best time to book a flight from Milwaukee to Ontario

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

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

Currently, March is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 148). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of C$ 242). 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 Milwaukee to Region of Ontario?

Related info for your journey

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

  • What airport do you fly from for flights from Milwaukee to Ontario?

    Most people fly from Milwaukee-Mitchell (MKE) if they book a flight from Milwaukee to Ontario. Milwaukee-Mitchell is conveniently located just 10.3 km from Milwaukee’s city centre.

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

    Departing from Milwaukee to Region of Ontario will take you 5h 50m. Milwaukee and Region of Ontario are separated by a distance of 1009 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Milwaukee to Region of Ontario?

    The most popular route from Milwaukee to Region of Ontario is Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau Intl. You may also consider Milwaukee-Mitchell - Toronto Pearson Intl or Milwaukee-Mitchell - Ottawa.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 148). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of C$ 242). 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 Milwaukee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pearson Intl flights
O'Hare Intl to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
O'Hare Intl to Calgary flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Minneapolis to Vancouver Intl flights
Minneapolis to Saskatoon flights
O'Hare Intl to Québec City flights
Minneapolis to Calgary flights
O'Hare Intl to Toronto Island flights
O'Hare Intl to Ottawa flights
O'Hare Intl to Abbotsford flights
O'Hare Intl to Winnipeg flights
O'Hare Intl to Halifax flights
Minneapolis to Winnipeg flights
O'Hare Intl to Edmonton flights
Minneapolis to Québec City flights
Minneapolis to Edmonton flights
Milwaukee to Pierre Elliott Trudeau Intl flights
Minneapolis to Kelowna flights
Madison to Pierre Elliott Trudeau Intl flights
Milwaukee to Vancouver Intl flights
Milwaukee to Pearson Intl flights
Madison to Pearson Intl flights
Minneapolis to Ottawa flights
Minneapolis to Abbotsford flights
O'Hare Intl to Hamilton flights
O'Hare Intl to St. John's flights
Madison to Vancouver Intl flights
Minneapolis to Victoria flights
Minneapolis to Halifax flights
Milwaukee to Calgary flights
O'Hare Intl to Regina flights
O'Hare Intl to Yellowknife flights
O'Hare Intl to Saskatoon flights
Green Bay to Vancouver Intl flights
Minneapolis to London flights
Milwaukee to Winnipeg flights
O'Hare Intl to Charlottetown flights
Madison to Winnipeg flights
Madison to Calgary flights
Milwaukee to Ottawa flights
Minneapolis to Hamilton flights
Green Bay to Pierre Elliott Trudeau Intl flights
Duluth to Pierre Elliott Trudeau Intl 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 Milwaukee to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Milwaukee to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Milwaukee to Ontario.

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

Certainly. Search results for flights to Ontario from Milwaukee shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Milwaukee to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.