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Cheap flights from Ontario to Milwaukee from C$ 212

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

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 12 January 2026.

Round-trip from

C$ 484

One-way from

C$ 212

Popular in

August

Cheapest in

April

Average price

C$ 633
5/2-8/2
  • 5/2-8/2
  • 2 total stops
  • 27h 29m total
  • Ontario to Milwaukee
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5/2
  • 5/2
  • 1 total stop
  • 12h 01m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 126 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 12 January 2026.

Thu 5/27:15 a.m.
YYZ
-
MKE
1 stop12h 01m
Multiple Airlines
Sun 8/26:58 p.m.
MKE
-
YYZ
1 stop15h 28m
Multiple Airlines
Deal found 12/1C$ 484
Thu 22/15:11 p.m.
YOW
-
MKE
1 stop6h 45m
United Airlines
Mon 26/12:32 p.m.
MKE
-
YOW
1 stop5h 46m
United Airlines
Deal found 12/1C$ 490
Wed 25/28:20 p.m.
YYZ
-
MKE
1 stop23h 22m
Multiple Airlines
Wed 4/34:39 p.m.
MKE
-
YYZ
1 stop20h 41m
Multiple Airlines
Deal found 11/1C$ 501
Tue 17/26:00 a.m.
YYZ
-
MKE
1 stop10h 51m
American Airlines
Fri 27/29:00 a.m.
MKE
-
YYZ
1 stop7h 36m
American Airlines
Deal found 12/1C$ 521
Mon 9/22:25 p.m.
YUL
-
MKE
1 stop10h 10m
American Airlines
Mon 16/24:47 p.m.
MKE
-
YUL
1 stop21h 17m
American Airlines
Deal found 12/1C$ 539
Mon 2/23:50 p.m.
YUL
-
MKE
1 stop18h 13m
American Airlines
Thu 5/24:05 p.m.
MKE
-
YUL
1 stop5h 39m
American Airlines
Deal found 12/1C$ 547
Sat 7/21:14 p.m.
YYZ
-
MKE
1 stop9h 48m
American Airlines
Sat 21/29:00 a.m.
MKE
-
YYZ
1 stop11h 29m
American Airlines
Deal found 12/1C$ 548
Wed 18/26:00 a.m.
YUL
-
MKE
1 stop7h 35m
United Airlines
Sat 21/25:00 a.m.
MKE
-
YUL
1 stop15h 17m
United Airlines
Deal found 11/1C$ 554
Tue 17/28:20 p.m.
YYZ
-
MKE
1 stop20h 24m
Multiple Airlines
Fri 27/26:20 p.m.
MKE
-
YYZ
2 stops16h 05m
Multiple Airlines
Deal found 12/1C$ 611
Mon 15/65:55 a.m.
YOW
-
MKE
2 stops13h 07m
Delta
Thu 18/612:00 p.m.
MKE
-
YOW
2 stops11h 22m
Delta
Deal found 12/1C$ 611
Thu 26/27:12 a.m.
YUL
-
MKE
1 stop17h 43m
American Airlines
Thu 5/35:00 a.m.
MKE
-
YUL
1 stop9h 04m
American Airlines
Deal found 12/1C$ 637
Sun 18/17:00 a.m.
YUL
-
MKE
2 stops9h 43m
United Airlines
Sun 25/18:33 a.m.
MKE
-
YUL
2 stops12h 09m
United Airlines
Deal found 11/1C$ 639

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 12 January 2026.
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

Thu 5/2

7:15 a.m.-6:16 p.m.

1 stop12h 01m

Milwaukee-Mitchell

Sun 8/2

6:58 p.m.-11:26 a.m.

1 stop15h 28m

C$ 484

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 22/1

5:11 p.m.-10:56 p.m.

1 stop6h 45m

Milwaukee-Mitchell

Mon 26/1

2:32 p.m.-9:18 p.m.

1 stop5h 46m

C$ 490

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 17/2

6:00 a.m.-3:51 p.m.

1 stop10h 51m

Milwaukee-Mitchell

Fri 27/2

9:00 a.m.-5:36 p.m.

1 stop7h 36m

C$ 521

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

2:25 p.m.-11:35 p.m.

1 stop10h 10m

Milwaukee-Mitchell

Mon 16/2

4:47 p.m.-3:04 p.m.

1 stop21h 17m

C$ 539

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:50 p.m.-9:03 a.m.

1 stop18h 13m

Milwaukee-Mitchell

Thu 5/2

4:05 p.m.-10:44 p.m.

1 stop5h 39m

C$ 547

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sat 7/2

1:14 p.m.-10:02 p.m.

1 stop9h 48m

Milwaukee-Mitchell

Sat 21/2

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

1 stop11h 29m

C$ 548

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

2:29 p.m.-9:51 p.m.

1 stop8h 22m

Milwaukee-Mitchell

Sat 21/2

6:40 a.m.-11:59 a.m.

1 stop4h 19m

C$ 554

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

3:00 p.m.-10:56 p.m.

2 stops8h 56m

Milwaukee-Mitchell

Mon 16/2

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

2 stops9h 16m

C$ 554

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:00 p.m.-10:56 p.m.

2 stops8h 56m

Milwaukee-Mitchell

Thu 5/2

5:00 a.m.-1:28 p.m.

2 stops7h 28m

C$ 554

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

7:00 a.m.-3:20 p.m.

2 stops9h 20m

Milwaukee-Mitchell

Thu 5/3

6:00 a.m.-3:16 p.m.

2 stops8h 16m

C$ 554

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 40 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, April is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 114). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of C$ 246). 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 Region of Ontario to Milwaukee?

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 6h 45m. Your travel time can differ by up to 4h 06m. 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 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 Ottawa - Milwaukee-Mitchell or Montreal Pierre Elliott Trudeau Intl - 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, April is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 114). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of C$ 246). 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.
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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 12 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 294AverageC$ 589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 352AverageC$ 744FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 410AverageC$ 744FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 522AverageC$ 765FlexibilityNo 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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