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Cheap flights from Milwaukee to Ontario from C$ 223

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
27 Feb — 6 Mar1
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 28 January 2026.

Wed 11/23:20 p.m.
MKE
-
YOW
1 stop4h 58m
United Airlines
Mon 16/25:11 p.m.
YOW
-
MKE
1 stop5h 33m
United Airlines
Deal found 26/1C$ 506
Tue 24/26:00 a.m.
MKE
-
YOW
2 stops7h 27m
United Airlines
Tue 3/35:11 p.m.
YOW
-
MKE
1 stop5h 33m
United Airlines
Deal found 27/1C$ 518
Mon 27/46:50 a.m.
MKE
-
YOW
1 stop13h 45m
United Airlines
Thu 30/410:44 a.m.
YOW
-
MKE
1 stop12h 04m
United Airlines
Deal found 27/1C$ 521
Tue 17/24:47 p.m.
MKE
-
YUL
1 stop21h 17m
American Airlines
Thu 19/23:45 p.m.
YUL
-
MKE
1 stop17h 04m
American Airlines
Deal found 27/1C$ 528
Mon 9/25:00 a.m.
MKE
-
YOW
2 stops7h 32m
United Airlines
Thu 12/25:11 p.m.
YOW
-
MKE
1 stop4h 44m
United Airlines
Deal found 26/1C$ 533
Fri 13/36:44 a.m.
MKE
-
YYZ
1 stop9h 52m
American Airlines
Fri 20/31:10 p.m.
YYZ
-
MKE
1 stop10h 57m
American Airlines
Deal found 26/1C$ 537
Sat 9/56:10 a.m.
MKE
-
YYZ
1 stop10h 34m
American Airlines
Wed 13/56:15 a.m.
YYZ
-
MKE
1 stop9h 33m
American Airlines
Deal found 25/1C$ 540
Thu 26/27:37 p.m.
MKE
-
YYZ
1 stop17h 43m
Multiple Airlines
Wed 4/38:20 p.m.
YYZ
-
MKE
1 stop23h 22m
Multiple Airlines
Deal found 27/1C$ 547
Tue 28/48:15 a.m.
MKE
-
YYZ
1 stop14h 14m
American Airlines
Sat 2/511:44 a.m.
YYZ
-
MKE
1 stop12h 28m
American Airlines
Deal found 27/1C$ 552
Wed 13/56:49 a.m.
MKE
-
YOW
1 stop6h 10m
United Airlines
Sun 17/510:44 a.m.
YOW
-
MKE
1 stop12h 04m
United Airlines
Deal found 26/1C$ 555
Thu 12/35:00 a.m.
MKE
-
YUL
1 stop9h 05m
American Airlines
Thu 19/33:45 p.m.
YUL
-
MKE
1 stop17h 04m
American Airlines
Deal found 26/1C$ 612
Thu 12/37:52 a.m.
MKE
-
YUL
1 stop6h 13m
American Airlines
Wed 18/37:30 a.m.
YUL
-
MKE
2 stops11h 24m
American Airlines
Deal found 25/1C$ 625

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 28 January 2026.

Round-trip from

C$ 506

One-way from

C$ 223

Popular in

October

Cheapest in

March

Average price

C$ 495
United Airlines
  • United Airlines
  • 11/2-16/2
  • 2 total stops
  • 10h 31m total
  • Milwaukee to Ontario
Search Deals
American Airlines
  • American Airlines
  • 12/3
  • 1 total stop
  • 9h 05m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 28 January 2026.
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

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Wed 11/2

3:20 p.m.-9:18 p.m.

1 stop4h 58m

Ottawa

Mon 16/2

5:11 p.m.-9:44 p.m.

1 stop5h 33m

C$ 506

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Mon 27/4

2:32 p.m.-9:35 p.m.

1 stop6h 03m

Ottawa

Thu 30/4

5:20 p.m.-9:48 p.m.

1 stop5h 28m

C$ 506

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Mon 9/2

8:33 a.m.-5:12 p.m.

1 stop7h 39m

Ottawa

Thu 12/2

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

1 stop6h 17m

C$ 521

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 17/2

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

1 stop21h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

3:45 p.m.-7:49 a.m.

1 stop17h 04m

C$ 528

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 13/3

6:44 a.m.-5:36 p.m.

1 stop9h 52m

Toronto Pearson Intl

Fri 20/3

1:10 p.m.-11:07 p.m.

1 stop10h 57m

C$ 537

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 9/5

6:10 a.m.-5:44 p.m.

1 stop10h 34m

Toronto Pearson Intl

Wed 13/5

6:15 a.m.-2:48 p.m.

1 stop9h 33m

C$ 540

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 26/2

7:37 p.m.-2:20 p.m.

1 stop17h 43m

Toronto Pearson Intl

Wed 4/3

8:20 p.m.-6:42 p.m.

1 stop23h 22m

C$ 547

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Tue 28/4

8:15 a.m.-11:29 p.m.

1 stop14h 14m

Toronto Pearson Intl

Sat 2/5

11:44 a.m.-11:12 p.m.

1 stop12h 28m

C$ 552

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 12/3

5:00 a.m.-3:05 p.m.

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

3:45 p.m.-7:49 a.m.

1 stop17h 04m

C$ 612

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 12/3

5:00 a.m.-3:05 p.m.

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

3:45 p.m.-11:07 p.m.

1 stop8h 22m

C$ 612

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 38 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$ 108). Flying from Milwaukee to Region of Ontario in January is currently the most expensive (average of C$ 242). 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 4h 58m. Milwaukee and Region of Ontario are separated by a distance of 1009 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 - Toronto Pearson Intl. You may also consider Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau 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$ 108). Flying from Milwaukee to Region of Ontario in January is currently the most expensive (average of C$ 242). 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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