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Cheap flights from Milwaukee to Ontario from C$ 335

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
4 Jun — 11 Jun1
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 5 May 2026.

Tue 9/68:43 a.m.
MKE
-
YYZ
2 stops36h 12m
Multiple Airlines
Mon 15/69:50 a.m.
YYZ
-
MKE
1 stop23h 08m
Multiple Airlines
Deal found 1/5C$ 535
Tue 9/68:00 a.m.
MKE
-
YYZ
1 stop14h 29m
American Airlines
Mon 15/66:24 p.m.
YYZ
-
MKE
1 stop14h 18m
American Airlines
Deal found 1/5C$ 571
Fri 29/58:12 a.m.
MKE
-
YYZ
1 stop14h 12m
American Airlines
Tue 2/611:39 a.m.
YYZ
-
MKE
1 stop11h 45m
American Airlines
Deal found 1/5C$ 596
Sat 30/58:12 a.m.
MKE
-
YYZ
1 stop14h 12m
American Airlines
Sat 6/67:25 a.m.
YYZ
-
MKE
1 stop13h 33m
American Airlines
Deal found 2/5C$ 597
Fri 29/57:30 a.m.
MKE
-
YYZ
1 stop14h 54m
American Airlines
Fri 5/66:24 p.m.
YYZ
-
MKE
1 stop14h 18m
American Airlines
Deal found 1/5C$ 611
Mon 1/66:45 p.m.
MKE
-
YYZ
1 stop15h 14m
American Airlines
Mon 8/66:24 p.m.
YYZ
-
MKE
1 stop14h 18m
American Airlines
Deal found 3/5C$ 665
Fri 5/66:50 p.m.
MKE
-
YYZ
1 stop15h 08m
American Airlines
Tue 9/61:15 p.m.
YYZ
-
MKE
1 stop7h 43m
American Airlines
Deal found 2/5C$ 676
Thu 2/77:25 a.m.
MKE
-
YYZ
1 stop14h 56m
American Airlines
Mon 6/71:17 p.m.
YYZ
-
MKE
1 stop7h 42m
American Airlines
Deal found 3/5C$ 680
Thu 18/610:00 a.m.
MKE
-
YYZ
1 stop12h 23m
American Airlines
Sun 21/67:25 a.m.
YYZ
-
MKE
1 stop13h 33m
American Airlines
Deal found 2/5C$ 702
Mon 15/612:08 p.m.
MKE
-
YYZ
2 stops27h 37m
Multiple Airlines
Mon 22/67:45 a.m.
YYZ
-
MKE
1 stop25h 13m
Multiple Airlines
Deal found 30/4C$ 706
Sat 13/61:24 p.m.
MKE
-
YYZ
1 stop8h 59m
American Airlines
Tue 16/61:15 p.m.
YYZ
-
MKE
1 stop8h 50m
American Airlines
Deal found 4/5C$ 713
Tue 2/67:25 a.m.
MKE
-
YOW
1 stop13h 10m
United Airlines
Wed 3/66:05 a.m.
YOW
-
MKE
1 stop5h 04m
United Airlines
Deal found 30/4C$ 750

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 5 May 2026.

Round-trip from

C$ 535

One-way from

C$ 335

Popular in

October

Cheapest in

September

Average price

C$ 835
9/6-15/6
  • 9/6-15/6
  • 3 total stops
  • 59h 20m total
  • Milwaukee to Ontario
Search Deals
26/5
  • 26/5
  • 3 total stops
  • 52h 19m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 5 May 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

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Tue 9/6

8:00 a.m.-11:29 p.m.

1 stop14h 29m

Toronto Pearson Intl

Mon 15/6

6:24 p.m.-7:42 a.m.

1 stop14h 18m

C$ 571

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 29/5

8:12 a.m.-11:24 p.m.

1 stop14h 12m

Toronto Pearson Intl

Tue 2/6

11:39 a.m.-7:57 p.m.

1 stop9h 18m

C$ 596

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 28/5

8:12 a.m.-5:44 p.m.

1 stop8h 32m

Toronto Pearson Intl

Thu 4/6

7:25 a.m.-7:58 p.m.

1 stop13h 33m

C$ 736

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Tue 2/6

7:25 a.m.-9:35 p.m.

1 stop13h 10m

Ottawa

Wed 3/6

6:05 a.m.-10:09 a.m.

1 stop5h 04m

C$ 750

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 4/6

5:48 p.m.-11:41 p.m.

1 stop4h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

5:07 p.m.-8:22 p.m.

1 stop4h 15m

C$ 750

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Mon 1/6

3:12 p.m.-11:59 p.m.

1 stop7h 47m

Toronto Pearson Intl

Wed 3/6

4:00 p.m.-10:19 p.m.

1 stop7h 19m

C$ 781

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Thu 11/6

1:30 p.m.-9:35 p.m.

1 stop7h 05m

Ottawa

Fri 12/6

5:25 p.m.-8:56 p.m.

1 stop4h 31m

C$ 793

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Mon 22/6

6:13 a.m.-5:44 p.m.

1 stop10h 31m

Toronto Pearson Intl

Fri 26/6

6:24 p.m.-7:42 a.m.

1 stop14h 18m

C$ 795

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Wed 10/6

6:17 p.m.-2:59 p.m.

1 stop19h 42m

Toronto Pearson Intl

Fri 12/6

3:13 p.m.-9:05 p.m.

1 stop6h 52m

C$ 837

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 23/5

5:48 p.m.-11:14 p.m.

1 stop4h 26m

Toronto Pearson Intl

Mon 25/5

9:50 a.m.-8:01 a.m.

1 stop23h 11m

C$ 845

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 41 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, June is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 182). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of C$ 1,490). 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.

How much does it cost to fly round-trip from Milwaukee to Region of Ontario?

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 53m. Milwaukee and Region of Ontario are separated by a distance of 1159 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, June is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 182). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of C$ 1,490). 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

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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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