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Cheap flights from Ontario to Milwaukee from C$ 211

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
20 Jan — 27 Jan1
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
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 21 December 2025.

Mon 22/122:40 p.m.YUL - MKE
1 stop27h 03mWestJet
Wed 24/125:25 p.m.MKE - YUL
1 stop17h 33mWestJet
Deal found 18/12C$ 846
Fri 26/127:08 a.m.YUL - MKE
1 stop17h 50mAmerican Airlines
Tue 30/128:08 p.m.MKE - YUL
1 stop18h 02mAmerican Airlines
Deal found 20/12C$ 865
Fri 26/124:45 p.m.YUL - MKE
1 stop6h 28mAir Canada
Tue 30/125:00 a.m.MKE - YUL
2 stops14h 50mAir Canada
Deal found 20/12C$ 879
Tue 30/127:30 a.m.YYZ - MKE
1 stop10h 00mAmerican Airlines
Sun 4/110:50 a.m.MKE - YYZ
1 stop11h 07mAmerican Airlines
Deal found 21/12C$ 947
Tue 30/1210:00 a.m.YYZ - MKE
2 stops9h 53mUnited Airlines
Sun 4/13:48 p.m.MKE - YYZ
1 stop4h 33mUnited Airlines
Deal found 21/12C$ 973
Wed 24/1212:45 p.m.YYZ - MKE
1 stop5h 12mUnited Airlines
Sat 3/112:02 p.m.MKE - YYZ
1 stop10h 57mUnited Airlines
Deal found 19/12C$ 1,000
Sun 21/125:10 p.m.YYZ - MKE
1 stop5h 25mWestJet
Sun 28/125:49 p.m.MKE - YYZ
1 stop4h 31mWestJet
Deal found 20/12C$ 1,018
Sun 21/127:15 a.m.YYZ - MKE
1 stop13h 05mMultiple Airlines
Sun 28/128:15 p.m.MKE - YYZ
2 stops17h 38mMultiple Airlines
Deal found 20/12C$ 1,033
Wed 24/124:50 p.m.YYZ - MKE
1 stop5h 21mAir Canada
Sun 28/127:08 a.m.MKE - YYZ
1 stop8h 31mAir Canada
Deal found 20/12C$ 1,131
Sat 20/127:10 p.m.YYZ - MKE
1 stop5h 49mAmerican Airlines
Mon 22/128:02 p.m.MKE - YYZ
1 stop13h 54mAmerican Airlines
Deal found 20/12C$ 1,147
Sat 20/1210:56 a.m.YYZ - MKE
1 stop11h 20mAmerican Airlines
Fri 26/126:00 a.m.MKE - YYZ
1 stop3h 56mAmerican Airlines
Deal found 20/12C$ 1,178
Sat 20/126:23 p.m.YYZ - MKE
1 stop16h 50mAmerican Airlines
Tue 23/128:02 p.m.MKE - YYZ
2 stops14h 07mAmerican Airlines
Deal found 20/12C$ 1,301

Find flight deals from Ontario to Milwaukee

Keep the following information in mind while searching for Ontario to Milwaukee flight deals. Data was last updated 21 December 2025.

Round-trip from

C$ 384

One-way from

C$ 211

Popular in

August

Cheapest in

February

Average price

C$ 709
19/2-23/2
  • 19/2-23/2
  • 2 total stops
  • 28h 38m total
  • Ontario to Milwaukee
Search Deals
3/2
  • 3/2
  • 1 total stop
  • 11h 43m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 145 potential increase over avg. RT price).
Search Deals
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 December 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 21 December 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

Thu 19/2

8:20 p.m.-9:43 a.m.

1 stop14h 23m

Milwaukee-Mitchell

Mon 23/2

8:11 p.m.-11:26 a.m.

1 stop14h 15m

C$ 384

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 3/3

5:11 p.m.-10:28 p.m.

1 stop6h 17m

Milwaukee-Mitchell

Wed 4/3

7:00 a.m.-4:30 p.m.

2 stops8h 30m

C$ 429

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 3/2

7:15 a.m.-5:58 p.m.

1 stop11h 43m

Milwaukee-Mitchell

Tue 10/2

4:42 p.m.-12:14 a.m.

1 stop30h 32m

C$ 432

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 6/2

8:20 p.m.-10:17 a.m.

1 stop14h 57m

Milwaukee-Mitchell

Mon 9/2

7:01 p.m.-8:11 p.m.

2 stops24h 10m

C$ 482

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 23/1

6:00 a.m.-6:26 p.m.

1 stop13h 26m

Milwaukee-Mitchell

Sun 25/1

1:04 p.m.-9:23 p.m.

1 stop7h 19m

C$ 553

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 6/2

6:00 a.m.-3:57 p.m.

1 stop10h 57m

Milwaukee-Mitchell

Mon 9/2

1:04 p.m.-9:23 p.m.

1 stop7h 19m

C$ 585

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

4:35 p.m.-6:45 p.m.

1 stop27h 10m

Milwaukee-Mitchell

Mon 12/1

7:40 p.m.-5:00 p.m.

2 stops20h 20m

C$ 600

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 19/2

4:45 p.m.-2:51 p.m.

1 stop23h 06m

Milwaukee-Mitchell

Mon 23/2

3:47 p.m.-3:35 p.m.

1 stop22h 48m

C$ 604

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

1:02 p.m.-4:16 p.m.

1 stop4h 14m

Milwaukee-Mitchell

Mon 26/1

1:18 p.m.-11:12 p.m.

1 stop8h 54m

C$ 618

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

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

2 stops7h 59m

Milwaukee-Mitchell

Mon 12/1

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

2 stops7h 28m

C$ 620

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

Showing 1-10 of 24 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$ 113). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of C$ 254). 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 21 December 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 and Delta can get you from Region of Ontario to Milwaukee in just under 4h 14m. Your travel time can differ by up to 2h 03m. 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 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, April is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 113). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of C$ 254). 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 21 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 292AverageC$ 551FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 350AverageC$ 740FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 407AverageC$ 739FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 518AverageC$ 730FlexibilityNo 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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