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Cheap flights from Ontario to Milwaukee from C$ 185

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
29 Dec — 5 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Milwaukee

Enter your travel dates to find the best prices.

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

Tue 30/125:15 p.m.YYZ - MKE
1 stop27h 05mMultiple Airlines
Thu 15/17:37 p.m.MKE - YYZ
1 stop17h 43mMultiple Airlines
Deal found 27/11C$ 462
Mon 15/1211:36 a.m.YYZ - MKE
1 stop12h 29mAmerican Airlines
Sat 10/16:58 p.m.MKE - YYZ
1 stop14h 55mAmerican Airlines
Deal found 28/11C$ 522
Wed 17/125:15 p.m.YYZ - MKE
1 stop27h 05mMultiple Airlines
Thu 8/17:30 p.m.MKE - YYZ
1 stop17h 50mMultiple Airlines
Deal found 28/11C$ 621
Wed 17/1211:00 a.m.YYZ - MKE
1 stop5h 08mUnited Airlines
Thu 8/16:00 a.m.MKE - YYZ
2 stops7h 14mUnited Airlines
Deal found 28/11C$ 637
Mon 15/122:57 p.m.YYZ - MKE
2 stops8h 33mUnited Airlines
Sat 10/15:00 a.m.MKE - YYZ
2 stops7h 43mUnited Airlines
Deal found 28/11C$ 644
Fri 5/127:15 a.m.YYZ - MKE
2 stops10h 54mMultiple Airlines
Mon 8/1210:34 a.m.MKE - YYZ
1 stop8h 26mMultiple Airlines
Deal found 27/11C$ 646
Thu 25/127:30 a.m.YYZ - MKE
2 stops10h 31mUnited Airlines
Thu 1/17:08 a.m.MKE - YYZ
1 stop5h 53mUnited Airlines
Deal found 27/11C$ 707
Sun 28/1210:56 a.m.YYZ - MKE
1 stop11h 35mAmerican Airlines
Sun 4/19:44 p.m.MKE - YYZ
1 stop13h 50mAmerican Airlines
Deal found 28/11C$ 782
Wed 24/1211:54 a.m.YYZ - MKE
1 stop6h 52mAmerican Airlines
Mon 29/128:08 p.m.MKE - YYZ
1 stop13h 48mAmerican Airlines
Deal found 27/11C$ 784
Sat 6/127:15 a.m.YYZ - MKE
3 stops27h 24mMultiple Airlines
Mon 8/1210:34 a.m.MKE - YYZ
1 stop8h 26mMultiple Airlines
Deal found 27/11C$ 801
Fri 28/116:00 a.m.YUL - MKE
1 stop9h 24mWestJet
Tue 2/129:40 a.m.MKE - YUL
1 stop5h 15mWestJet
Deal found 28/11C$ 839
Fri 28/114:45 p.m.YUL - MKE
1 stop6h 58mUnited Airlines
Tue 2/126:03 a.m.MKE - YUL
2 stops8h 13mUnited Airlines
Deal found 28/11C$ 888

Cheap flight deals from Ontario to Milwaukee

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

Round-trip from

C$ 318

One-way from

C$ 185

Popular in

August

Cheapest in

January

Average price

C$ 817
11/1-18/1
  • 11/1-18/1
  • 2 total stops
  • 51h 14m total
  • Ontario to Milwaukee
Search Deals
12/1
  • 12/1
  • 1 total stop
  • 12h 30m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Milwaukee 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 November 2025.
Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.

Fly from

Ontario

Fly to

Milwaukee

Route

Depart

Return

Price

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 7/1

7:15 a.m.-2:15 p.m.

1 stop8h 00m

Milwaukee-Mitchell

Sun 11/1

7:40 p.m.-12:11 a.m.

1 stop27h 31m

C$ 321

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 11/1

8:00 p.m.-6:45 p.m.

1 stop23h 45m

Milwaukee-Mitchell

Sun 18/1

7:42 p.m.-2:40 p.m.

2 stops17h 58m

C$ 350

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Mon 2/2

2:15 p.m.-8:48 p.m.

2 stops7h 33m

Milwaukee-Mitchell

Thu 5/2

6:00 a.m.-2:27 p.m.

2 stops7h 27m

C$ 409

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sat 17/1

7:40 a.m.-6:47 p.m.

2 stops12h 07m

Milwaukee-Mitchell

Fri 30/1

7:28 p.m.-12:11 a.m.

1 stop27h 43m

C$ 441

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 18/1

8:00 p.m.-6:47 p.m.

1 stop23h 47m

Milwaukee-Mitchell

Sat 31/1

11:12 a.m.-12:11 a.m.

1 stop11h 59m

C$ 448

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 30/12

5:15 p.m.-7:20 p.m.

1 stop27h 05m

Milwaukee-Mitchell

Thu 15/1

7:37 p.m.-2:20 p.m.

1 stop17h 43m

C$ 462

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

3:55 p.m.-10:54 a.m.

1 stop19h 59m

Milwaukee-Mitchell

Sun 22/2

6:00 a.m.-3:05 p.m.

1 stop8h 05m

C$ 489

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Mon 15/12

11:36 a.m.-11:05 p.m.

1 stop12h 29m

Milwaukee-Mitchell

Sat 10/1

6:58 p.m.-10:53 a.m.

1 stop14h 55m

C$ 522

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

2:13 p.m.-9:44 p.m.

2 stops8h 31m

Milwaukee-Mitchell

Sun 22/2

5:00 a.m.-3:16 p.m.

2 stops9h 16m

C$ 542

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

4:45 p.m.-9:59 p.m.

1 stop6h 14m

Milwaukee-Mitchell

Mon 26/1

2:32 p.m.-9:17 p.m.

1 stop5h 45m

C$ 542

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/11

Showing 1-10 of 34 results
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Best time to book a flight from Ontario to Milwaukee

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

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

Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 116). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of C$ 266). 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 MKE?

Find hourly flight availability from Ontario to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 November 2025.

One of the essential ways to save on airfare from Region of Ontario to Milwaukee is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Milwaukee. 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 into for flights to Milwaukee from Ontario?

    Located just 10.3 km from the city centre, Milwaukee-Mitchell (MKE) is the airport most travelers will use when flying to Milwaukee from Ontario.

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

    United Airlines, American Airlines, and Delta can get you from Region of Ontario to Milwaukee in just under 7h 33m. Your travel time can differ by up to 12h 26m. Region of Ontario and Milwaukee are separated by a distance of 1009 km. Both multi-stop and direct flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 277. Delta flights start at C$ 312 while deals on American Airlines start at C$ 317 one-way.

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

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

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 116). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of C$ 266). 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 Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Vancouver Intl to O'Hare Intl flights
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Edmonton to Milwaukee flights
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Moncton to O'Hare Intl flights
Victoria to O'Hare Intl flights
St. John's to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Madison flights
St John to O'Hare Intl flights
Pearson Intl to Madison flights
Sudbury to O'Hare Intl flights
Ottawa to Milwaukee flights
Pearson Intl to Duluth flights
Calgary to Milwaukee flights
Pierre Elliott Trudeau Intl to Milwaukee flights
Nanaimo to O'Hare Intl flights
Pearson Intl to Green Bay flights
Grande Prairie to O'Hare Intl flights
Edmonton to Green Bay flights
Edmonton to Appleton flights
Deer Lake to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Duluth flights
Calgary to Madison flights

Top 4 airlines flying from Ontario to Milwaukee

Discover the top 4 airlines that operate flights from Ontario to Milwaukee. 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 29 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 297AverageC$ 549FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 394AverageC$ 751FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 406AverageC$ 733FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 522AverageC$ 711FlexibilityNo 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 Milwaukee?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Milwaukee from Ontario today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Milwaukee for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Milwaukee from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Ontario to Milwaukee 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.

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