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Cheap flights from Milwaukee to Ontario from C$ 265

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
21 Apr — 28 Apr1
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 22 March 2026.

Wed 15/45:41 p.m.
MKE
-
YUL
1 stop17h 03m
American Airlines
Wed 22/412:30 p.m.
YUL
-
MKE
1 stop10h 30m
American Airlines
Deal found 18/3C$ 565
Wed 8/49:08 a.m.
MKE
-
YUL
2 stops11h 29m
American Airlines
Wed 15/47:45 a.m.
YUL
-
MKE
2 stops11h 15m
American Airlines
Deal found 18/3C$ 586
Mon 27/49:43 a.m.
MKE
-
YOW
1 stop6h 24m
United Airlines
Thu 30/45:25 p.m.
YOW
-
MKE
1 stop6h 08m
United Airlines
Deal found 21/3C$ 595
Tue 5/53:25 p.m.
MKE
-
YOW
1 stop5h 10m
United Airlines
Wed 6/510:44 a.m.
YOW
-
MKE
1 stop4h 43m
United Airlines
Deal found 19/3C$ 597
Tue 5/56:49 a.m.
MKE
-
YOW
2 stops6h 33m
United Airlines
Fri 8/55:25 p.m.
YOW
-
MKE
1 stop5h 38m
United Airlines
Deal found 17/3C$ 604
Sat 2/54:26 p.m.
MKE
-
YUL
1 stop18h 18m
American Airlines
Sat 9/51:03 p.m.
YUL
-
MKE
2 stops11h 37m
American Airlines
Deal found 18/3C$ 605
Sun 3/55:41 p.m.
MKE
-
YUL
1 stop17h 03m
American Airlines
Sun 10/512:30 p.m.
YUL
-
MKE
1 stop12h 10m
American Airlines
Deal found 19/3C$ 616
Mon 20/412:21 p.m.
MKE
-
YYZ
1 stop24h 55m
Multiple Airlines
Tue 28/46:30 a.m.
YYZ
-
MKE
2 stops53h 56m
Multiple Airlines
Deal found 19/3C$ 617
Thu 11/67:25 a.m.
MKE
-
YYZ
1 stop15h 04m
American Airlines
Mon 15/61:15 p.m.
YYZ
-
MKE
1 stop10h 09m
American Airlines
Deal found 21/3C$ 627
Tue 5/54:26 p.m.
MKE
-
YUL
1 stop18h 18m
American Airlines
Tue 12/51:03 p.m.
YUL
-
MKE
2 stops11h 37m
American Airlines
Deal found 21/3C$ 630
Fri 17/47:34 p.m.
MKE
-
YUL
1 stop27h 56m
Multiple Airlines
Fri 24/45:10 p.m.
YUL
-
MKE
2 stops40h 28m
Multiple Airlines
Deal found 18/3C$ 631
Sun 26/49:33 a.m.
MKE
-
YUL
1 stop13h 57m
Multiple Airlines
Mon 4/56:45 a.m.
YUL
-
MKE
2 stops26h 16m
Multiple Airlines
Deal found 17/3C$ 639

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 22 March 2026.

Round-trip from

C$ 565

One-way from

C$ 265

Popular in

August

Cheapest in

September

Average price

C$ 956
American Airlines
  • American Airlines
  • 15/4-22/4
  • 2 total stops
  • 27h 33m total
  • Milwaukee to Ontario
Search Deals
American Airlines
  • American Airlines
  • 2/5
  • 1 total stop
  • 17h 03m total
  • Milwaukee to Ontario
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 22 March 2026.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Wed 8/4

4:26 p.m.-11:44 a.m.

1 stop18h 18m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

12:30 p.m.-8:06 p.m.

1 stop8h 36m

C$ 565

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Mon 27/4

9:43 a.m.-5:07 p.m.

1 stop6h 24m

Ottawa

Thu 30/4

5:25 p.m.-10:33 p.m.

1 stop6h 08m

C$ 595

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Tue 5/5

1:46 p.m.-9:35 p.m.

1 stop6h 49m

Ottawa

Wed 6/5

10:44 a.m.-4:42 p.m.

1 stop6h 58m

C$ 597

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Tue 5/5

6:49 a.m.-2:22 p.m.

2 stops6h 33m

Ottawa

Fri 8/5

5:25 p.m.-10:03 p.m.

1 stop5h 38m

C$ 604

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Wed 15/4

10:45 a.m.-6:55 p.m.

2 stops7h 10m

Ottawa

Wed 22/4

5:25 p.m.-8:48 p.m.

1 stop4h 23m

C$ 609

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 13/4

7:41 p.m.-11:51 a.m.

1 stop15h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

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

1 stop18h 00m

C$ 761

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Wed 22/4

10:45 a.m.-5:30 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:00 a.m.-10:10 a.m.

1 stop5h 10m

C$ 761

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Wed 13/5

5:10 a.m.-1:09 p.m.

2 stops6h 59m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

5:00 p.m.-10:03 p.m.

1 stop6h 03m

C$ 775

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Fri 24/4

5:10 a.m.-10:40 a.m.

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

3:25 p.m.-11:43 p.m.

2 stops9h 18m

C$ 775

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 26/5

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

2 stops10h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

6:10 a.m.-11:14 a.m.

1 stop6h 04m

C$ 775

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 44 resultsSorted by cheapest first
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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$ 107). Flying from Milwaukee to Region of Ontario in February is currently the most expensive (average of C$ 259). 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 6h 24m. 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$ 107). Flying from Milwaukee to Region of Ontario in February is currently the most expensive (average of C$ 259). 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

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 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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