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Cheap flights from Milwaukee to Ontario from C$ 219

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Milwaukee to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Milwaukee to Ontario
Explore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Thu 25/127:08 a.m.MKE - YOW
1 stop13h 10mAir Canada
Sat 10/15:11 p.m.YOW - MKE
1 stop6h 45mAir Canada
Deal found 10/12C$ 699
Thu 25/125:00 a.m.MKE - YOW
2 stops9h 23mUnited Airlines
Sat 10/15:11 p.m.YOW - MKE
1 stop4h 37mUnited Airlines
Deal found 10/12C$ 716
Sat 20/128:15 p.m.MKE - YYZ
1 stop17h 05mMultiple Airlines
Mon 22/125:15 p.m.YYZ - MKE
1 stop26h 11mMultiple Airlines
Deal found 10/12C$ 770
Mon 22/127:19 a.m.MKE - YUL
1 stop14h 20mAmerican Airlines
Sat 27/122:26 p.m.YUL - MKE
1 stop10h 33mAmerican Airlines
Deal found 9/12C$ 783
Mon 15/1210:34 a.m.MKE - YYZ
1 stop12h 51mMultiple Airlines
Mon 22/125:15 p.m.YYZ - MKE
1 stop27h 05mMultiple Airlines
Deal found 10/12C$ 797
Thu 25/128:15 p.m.MKE - YOW
1 stop26h 43mMultiple Airlines
Sat 10/19:30 a.m.YOW - MKE
1 stop10h 44mMultiple Airlines
Deal found 10/12C$ 811
Mon 15/1210:34 a.m.MKE - YYZ
1 stop12h 37mMultiple Airlines
Wed 17/125:14 p.m.YYZ - MKE
1 stop5h 34mMultiple Airlines
Deal found 10/12C$ 859
Mon 15/1210:34 a.m.MKE - YYZ
1 stop12h 51mMultiple Airlines
Tue 16/1212:13 p.m.YYZ - MKE
1 stop4h 54mMultiple Airlines
Deal found 11/12C$ 914
Wed 24/123:48 p.m.MKE - YOW
2 stops7h 06mUnited Airlines
Sat 3/16:00 a.m.YOW - MKE
1 stop5h 45mUnited Airlines
Deal found 9/12C$ 979
Fri 12/126:09 p.m.MKE - YYZ
1 stop16h 34mMultiple Airlines
Sat 13/123:25 p.m.YYZ - MKE
1 stop26h 44mMultiple Airlines
Deal found 11/12C$ 990
Sun 14/1210:34 a.m.MKE - YOW
1 stop12h 24mMultiple Airlines
Tue 16/129:30 a.m.YOW - MKE
2 stops34h 39mMultiple Airlines
Deal found 10/12C$ 1,007
Mon 22/128:15 p.m.MKE - YUL
2 stops17h 55mMultiple Airlines
Sat 27/126:25 p.m.YUL - MKE
3 stops24h 08mMultiple Airlines
Deal found 9/12C$ 1,018

Find flight deals from Milwaukee to Ontario

Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated 12 December 2025.

Round-trip from

C$ 479

One-way from

C$ 219

Popular in

October

Cheapest in

March

Average price

C$ 390
10/1-17/1
  • 10/1-17/1
  • 2 total stops
  • 29h 58m total
  • Milwaukee to Ontario
Search Deals
29/1
  • 29/1
  • 1 total stop
  • 18h 03m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 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 Milwaukee to Ontario 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 December 2025.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

Milwaukee

Fly to

Ontario

Route

Depart

Return

Price

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 10/1

7:59 p.m.-2:20 p.m.

1 stop17h 21m

Toronto Pearson Intl

Sat 17/1

7:10 a.m.-6:47 p.m.

1 stop12h 37m

C$ 479

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sun 1/2

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

1 stop7h 19m

Toronto Pearson Intl

Sat 7/2

11:30 a.m.-10:02 p.m.

1 stop11h 32m

C$ 494

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Sat 31/1

1:04 p.m.-3:08 p.m.

1 stop25h 04m

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

3:50 p.m.-10:58 a.m.

1 stop20h 08m

C$ 498

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Tue 3/2

6:00 a.m.-5:12 p.m.

1 stop10h 12m

Ottawa

Sat 7/2

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

1 stop6h 45m

C$ 501

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Sat 10/1

11:30 a.m.-5:12 p.m.

1 stop4h 42m

Ottawa

Tue 13/1

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

1 stop6h 45m

C$ 501

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Mon 27/4

5:10 a.m.-4:50 p.m.

1 stop10h 40m

Ottawa

Thu 30/4

10:35 a.m.-9:48 p.m.

1 stop12h 13m

C$ 501

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 29/1

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

1 stop7h 19m

Toronto Pearson Intl

Sun 1/2

11:35 a.m.-10:02 p.m.

1 stop11h 27m

C$ 534

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 23/1

9:30 a.m.-6:20 p.m.

1 stop7h 50m

Toronto Pearson Intl

Tue 27/1

1:14 p.m.-10:05 p.m.

1 stop9h 51m

C$ 574

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 24/1

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

1 stop14h 55m

Toronto Pearson Intl

Sat 31/1

7:04 p.m.-10:58 a.m.

1 stop16h 54m

C$ 574

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 13/2

4:46 p.m.-10:56 a.m.

1 stop17h 10m

Toronto Pearson Intl

Sun 15/2

6:18 p.m.-11:44 a.m.

1 stop18h 26m

C$ 607

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 33 results
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Best time to book a flight from Milwaukee to Ontario

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

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

Currently, March is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 109). Flying from Milwaukee to Region of Ontario in December 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.

Related info for your journey

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

    Most people fly from Milwaukee-Mitchell (MKE) if they book a flight from Milwaukee to Ontario. Milwaukee-Mitchell is conveniently located just 10.3 km from Milwaukee’s city centre.

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

    Departing from Milwaukee to Region of Ontario will take you 7h 19m. Milwaukee and Region of Ontario are separated by a distance of 674 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 109). Flying from Milwaukee to Region of Ontario in December 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 Milwaukee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Milwaukee to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Milwaukee to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Milwaukee to Ontario.

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

Certainly. Search results for flights to Ontario from Milwaukee shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Milwaukee to Ontario 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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