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Cheap flights from Ontario to Milwaukee from C$ 320

YYZ — MKE
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Milwaukee

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Milwaukee

Sat 12/121:20 p.m. -
1 stop10h 17m
Mon 14/128:12 p.m. -
1 stop15h 23m
Deal found 23/10C$ 559
Wed 25/117:09 a.m. -
1 stop13h 06m
Wed 2/125:00 a.m. -
1 stop8h 42m
Deal found 22/10C$ 568
Tue 24/1111:45 a.m. -
1 stop8h 18m
Tue 1/125:00 a.m. -
1 stop11h 40m
Deal found 27/10C$ 586
Tue 22/127:14 a.m. -
1 stop7h 23m
Tue 12/15:18 a.m. -
1 stop11h 26m
Deal found 23/10C$ 627
Wed 9/1212:30 p.m. -
1 stop12h 29m
Wed 16/125:00 a.m. -
1 stop10h 30m
Deal found 26/10C$ 628
Sun 22/116:21 p.m. -
1 stop14h 35m
Sun 29/117:33 p.m. -
1 stop14h 26m
Deal found 23/10C$ 634
Sat 31/107:29 a.m. -
1 stop26h 19m
Sat 7/1111:33 a.m. -
1 stop11h 13m
Deal found 26/10C$ 635
Wed 30/126:04 p.m. -
1 stop6h 55m
Wed 6/15:18 a.m. -
1 stop11h 26m
Deal found 27/10C$ 659
Tue 15/1210:30 a.m. -
2 stops7h 48m
Tue 29/127:00 p.m. -
1 stop3h 59m
Deal found 27/10C$ 670
Wed 25/116:00 a.m. -
1 stop3h 50m
Wed 2/126:00 a.m. -
1 stop9h 19m
Deal found 25/10C$ 671
Sat 21/118:00 a.m. -
1 stop10h 26m
Sat 28/116:11 p.m. -
2 stops22h 04m
Deal found 24/10C$ 879
Thu 19/113:10 p.m. -
1 stop27h 56m
Thu 26/1110:48 a.m. -
2 stops27h 19m
Deal found 22/10C$ 883

Find flight deals from Ontario to Milwaukee

Round-trip from

C$ 559

One-way from

C$ 320

Popular in

November

Cheapest in

September

Average price

C$ 848
American Airlines
  • American Airlines
  • 12/12-14/12
  • 2 total stops
  • 25h 40m total
  • Ontario to Milwaukee
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American Airlines
  • American Airlines
  • 14/12-31/12
  • 1 total stop
  • 8h 07m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 161 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 9/12

7:09 a.m.-8:00 p.m.

1 stop13h 51m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 321

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 9/12

2:25 p.m.-8:22 p.m.

1 stop6h 57m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 377

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 2/12

7:43 a.m.-3:03 p.m.

2 stops8h 20m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 387

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 9/12

10:30 a.m.-8:55 p.m.

2 stops11h 25m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 387

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 8/12

9:44 a.m.-6:48 p.m.

2 stops10h 04m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 387

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 25/11

7:44 p.m.-10:13 a.m.

2 stops15h 29m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 387
Quickest round-trip

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Fri 11/12

6:20 a.m.-10:15 a.m.

1 stop4h 55m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 394

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Thu 10/12

6:20 a.m.-10:15 a.m.

1 stop4h 55m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 394

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Thu 10/12

9:44 a.m.-8:55 p.m.

2 stops12h 11m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 405

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sun 29/11

6:45 a.m.-6:58 p.m.

1 stop13h 13m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 405

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 26 resultsSorted by cheapest first
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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

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, September is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 620). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 1,040). 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.

Related info for your journey

  • 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?

    American Airlines and United Airlines can get you from Region of Ontario to Milwaukee in just under 4h 18m. Your travel time can differ by up to 5h 59m. Region of Ontario and Milwaukee are separated by a distance of 674 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 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, September is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 620). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 1,040). 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

Alternative routes for Ontario to Milwaukee

Pearson Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Toronto Island to O'Hare Intl flights
Vancouver Intl to O'Hare Intl flights
Pearson Intl to Minneapolis flights
Calgary to O'Hare Intl flights
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Winnipeg to O'Hare Intl flights
Edmonton to O'Hare Intl flights
Saskatoon to Minneapolis flights
Winnipeg to Minneapolis flights
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Edmonton to Minneapolis flights
Ottawa to O'Hare Intl flights
Halifax to O'Hare Intl flights
Pearson Intl to Milwaukee flights
Toronto Island to Minneapolis flights
Saskatoon to O'Hare Intl flights
Regina to Minneapolis flights
Ottawa to Minneapolis flights
Calgary to Milwaukee flights
Pearson Intl to Madison flights
Victoria to O'Hare Intl flights
Moncton to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Milwaukee flights
Kelowna to O'Hare Intl flights
Calgary to Madison flights
Vancouver Intl to Milwaukee flights
Victoria to Minneapolis flights
Halifax to Minneapolis flights
Edmonton to Milwaukee flights
London to O'Hare Intl flights
Nanaimo to O'Hare Intl flights
Regina to O'Hare Intl flights
Region of Waterloo Intl to O'Hare Intl flights
St. John's to O'Hare Intl flights
Pearson Intl to Wausau flights
Edmonton to Madison flights
Ottawa to Madison flights
Pierre Elliott Trudeau Intl to Madison flights
Québec City to Minneapolis flights
Pearson Intl to Duluth flights
Pearson Intl to Green Bay flights
St John to O'Hare Intl flights
Victoria to Milwaukee flights
Halifax to Madison flights
Sudbury to O'Hare Intl flights

Top airline flying from Ontario to Milwaukee

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 321AverageC$ 874FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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