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Cheap flights from Ontario to Milwaukee from C$ 264

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 472

One-way from

C$ 264

Popular in

August

Cheapest in

February

Average price

C$ 655
12/11-3/12
  • 12/11-3/12
  • 2 total stops
  • 30h 01m total
  • Ontario to Milwaukee
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29/10
  • 29/10
  • 1 total stop
  • 20h 27m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Milwaukee

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 16 September 2025.

Wed 12/115:15 p.m.YYZ - MKE
1 stop18h 47mMultiple Airlines
Wed 3/1211:57 a.m.MKE - YYZ
1 stop11h 14mMultiple Airlines
Deal found 15/9C$ 472
Sun 2/111:30 p.m.YYZ - MKE
2 stops30h 13mMultiple Airlines
Sun 16/1111:57 a.m.MKE - YYZ
1 stop22h 49mMultiple Airlines
Deal found 14/9C$ 540
Wed 29/105:15 p.m.YYZ - MKE
1 stop20h 27mMultiple Airlines
Wed 5/113:56 p.m.MKE - YYZ
2 stops28h 26mMultiple Airlines
Deal found 14/9C$ 558
Thu 16/1012:30 p.m.YUL - MKE
1 stop12h 26mAmerican Airlines
Sat 25/108:26 a.m.MKE - YUL
1 stop7h 13mAmerican Airlines
Deal found 15/9C$ 565
Thu 16/106:15 a.m.YUL - MKE
1 stop4h 56mUnited Airlines
Sat 25/105:00 a.m.MKE - YUL
2 stops10h 10mUnited Airlines
Deal found 15/9C$ 571
Thu 9/109:45 a.m.YYZ - MKE
1 stop9h 37mMultiple Airlines
Mon 13/107:38 p.m.MKE - YYZ
2 stops41h 00mMultiple Airlines
Deal found 15/9C$ 572
Sat 27/96:15 a.m.YUL - MKE
1 stop4h 56mUnited Airlines
Fri 3/106:30 p.m.MKE - YUL
1 stop15h 05mUnited Airlines
Deal found 14/9C$ 576
Wed 22/107:29 a.m.YUL - MKE
1 stop16h 47mAmerican Airlines
Sun 26/105:25 a.m.MKE - YUL
1 stop5h 15mAmerican Airlines
Deal found 15/9C$ 590
Sun 28/96:00 a.m.YUL - MKE
1 stop7h 24mDelta
Mon 29/94:55 p.m.MKE - YUL
1 stop5h 34mDelta
Deal found 14/9C$ 597
Thu 20/113:49 p.m.YUL - MKE
1 stop17h 33mAmerican Airlines
Sun 23/115:00 a.m.MKE - YUL
1 stop9h 09mAmerican Airlines
Deal found 15/9C$ 612
Wed 22/107:00 a.m.YUL - MKE
1 stop5h 24mMultiple Airlines
Sun 26/101:55 p.m.MKE - YUL
2 stops31h 15mMultiple Airlines
Deal found 16/9C$ 627
Sat 8/114:44 p.m.YYZ - MKE
1 stop7h 21mAmerican Airlines
Tue 11/115:00 a.m.MKE - YYZ
1 stop10h 04mAmerican Airlines
Deal found 15/9C$ 630

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 16 September 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 12/11

5:15 p.m.-11:02 a.m.

1 stop18h 47m

Milwaukee-Mitchell

Wed 3/12

11:57 a.m.-12:11 a.m.

1 stop11h 14m

C$ 472

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 2/11

1:30 p.m.-6:43 p.m.

2 stops30h 13m

Milwaukee-Mitchell

Sun 16/11

11:57 a.m.-11:46 a.m.

1 stop22h 49m

C$ 540

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 29/10

5:15 p.m.-12:42 p.m.

1 stop20h 27m

Milwaukee-Mitchell

Wed 5/11

3:56 p.m.-9:22 p.m.

2 stops28h 26m

C$ 558

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

12:30 p.m.-11:56 p.m.

1 stop12h 26m

Milwaukee-Mitchell

Sat 25/10

8:26 a.m.-4:39 p.m.

1 stop7h 13m

C$ 565

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

6:15 a.m.-10:11 a.m.

1 stop4h 56m

Milwaukee-Mitchell

Sat 25/10

5:00 a.m.-4:10 p.m.

2 stops10h 10m

C$ 571

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

7:29 a.m.-11:16 p.m.

1 stop16h 47m

Milwaukee-Mitchell

Sun 26/10

5:25 a.m.-11:40 a.m.

1 stop5h 15m

C$ 590

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 15/1

5:15 p.m.-12:51 p.m.

1 stop20h 36m

Milwaukee-Mitchell

Mon 19/1

1:56 p.m.-12:11 a.m.

1 stop9h 15m

C$ 598

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

7:00 a.m.-11:24 a.m.

1 stop5h 24m

Milwaukee-Mitchell

Sun 26/10

1:55 p.m.-10:10 p.m.

2 stops31h 15m

C$ 627

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sat 8/11

4:44 p.m.-11:05 p.m.

1 stop7h 21m

Milwaukee-Mitchell

Tue 11/11

5:00 a.m.-4:04 p.m.

1 stop10h 04m

C$ 630

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

3:00 p.m.-9:59 p.m.

2 stops7h 59m

Milwaukee-Mitchell

Sun 8/2

5:00 a.m.-1:31 p.m.

2 stops7h 31m

C$ 633

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 36 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, January is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 339). Flying from Region of Ontario to Milwaukee in July is currently the most expensive (average of C$ 484). 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 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Milwaukee as you normally would.

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?

    American Airlines and United Airlines can get you from Region of Ontario to Milwaukee in just under 4h 56m. Your travel time can differ by up to 7h 30m. Region of Ontario and Milwaukee are separated by a distance of 1159 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 American Airlines, which is currently one of the cheapest options available, starting at C$ 275. Delta flights start at C$ 358 while deals on United Airlines start at C$ 358 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, January is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 339). Flying from Region of Ontario to Milwaukee in July is currently the most expensive (average of C$ 484). 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 293AverageC$ 586FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 392AverageC$ 781FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 395AverageC$ 425FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 490AverageC$ 678FlexibilityNo 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?

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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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