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Milwaukee

$225+ Cheap flights from Ontario to Milwaukee (MKE)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
Sep 4 — Sep 111
Fri 9/4
Fri 9/11
1 adult, Economy
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Cheap flight deals from Ontario to Milwaukee

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 August 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:15 pm -
1 stop26h 53m
Sun 11/18:03 pm -
1 stop16h 37m
Deal found 8/1$396
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:20 am -
1 stop13h 39m
Wed 9/98:14 pm -
1 stop15h 21m
Deal found 8/1$404
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am -
1 stop5h 45m
Sat 8/294:47 pm -
1 stop5h 43m
Deal found 8/4$407
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:51 pm -
1 stop6h 02m
Sat 9/512:47 pm -
1 stop10h 05m
Deal found 8/1$408
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:20 am -
1 stop11h 58m
Wed 9/161:18 pm -
1 stop9h 08m
Deal found 8/3$410
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am -
1 stop12h 51m
Fri 9/188:14 pm -
1 stop15h 21m
Deal found 8/3$412
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:20 pm -
2 stops7h 40m
Sat 8/296:00 am -
1 stop6h 09m
Deal found 8/3$423
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am -
1 stop9h 32m
Sun 10/256:49 pm -
1 stop3h 36m
Deal found 8/4$436
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:25 pm -
1 stop7h 55m
Thu 9/174:49 pm -
1 stop6h 01m
Deal found 8/1$438
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:15 pm -
1 stop8h 45m
Tue 9/86:00 pm -
1 stop4h 46m
Deal found 8/4$439
This oojo deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:45 am -
2 stops7h 00m
Tue 9/16:30 am -
1 stop16h 10m
Deal found 8/1$443
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am -
1 stop4h 00m
Tue 8/181:19 pm -
1 stop5h 21m
Deal found 8/2$445

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 August 5, 2026.

Round-trip from

$396
(Kiwi.com)

One-way from

$225
(American Airlines)
From Ontario to Milwaukee-Mitchell
Search Deals
One-way flight from Ontario to Milwaukee-Mitchell
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 2,558,603 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

9:15 am-6:54 pm

2 stops10h 39m

Milwaukee-Mitchell

Sat 9/19

6:00 am-2:40 pm

2 stops7h 40m

$407

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

6:00 am-8:45 am

1 stop3h 45m

Milwaukee-Mitchell

Tue 9/1

4:47 pm-11:30 pm

1 stop5h 43m

$407

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 9/19

6:00 am-2:33 pm

2 stops9h 33m

Milwaukee-Mitchell

Sat 9/26

10:42 am-7:45 pm

2 stops8h 03m

$407

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 8/25

9:45 am-4:10 pm

1 stop7h 25m

Milwaukee-Mitchell

Sat 8/29

7:18 am-7:45 pm

2 stops11h 27m

$407

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 10/28

7:00 am-2:58 pm

2 stops8h 58m

Milwaukee-Mitchell

Sat 10/31

8:00 am-2:00 pm

1 stop5h 00m

$407

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 8/26

6:51 pm-11:53 pm

1 stop6h 02m

Milwaukee-Mitchell

Sat 9/5

12:47 pm-11:52 pm

1 stop10h 05m

$408

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

6:00 am-3:47 pm

2 stops10h 47m

Milwaukee-Mitchell

Sat 9/5

11:18 am-10:06 pm

2 stops9h 48m

$408
Quickest round-trip

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 9/30

11:00 am-1:43 pm

1 stop3h 43m

Milwaukee-Mitchell

Sat 10/3

3:51 pm-8:44 pm

1 stop3h 53m

$449

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 9/15

5:15 pm-9:00 pm

1 stop4h 45m

Milwaukee-Mitchell

Sat 9/19

3:52 pm-8:44 pm

1 stop3h 52m

$449

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 9/1

10:45 am-5:13 pm

1 stop7h 28m

Milwaukee-Mitchell

Tue 9/8

5:00 am-9:54 am

1 stop3h 54m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 38 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $290). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of $687). 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 Region of Ontario to Milwaukee?

Airfare is below average for this route at the moment.
Region of Ontario to Milwaukee flights typically cost between $601 and $786 in October.
The cheapest round-trip price found within the last 5 days was $396 on Multiple Airlines (Oct 28-Nov 1).

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?

    Milwaukee-Mitchell (MKE), located 6.4 mi from the city center, is the airport you fly into when you book flights from Ontario to Milwaukee.

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

    A quick flight from Region of Ontario to Milwaukee can take about 3h 45m. United Airlines provides one of the quickest options available for as low as $407. Airlines will cover a distance of 720 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, October is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $290). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of $687). 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

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Port Washington
New Berlin
Oak Creek
Wauwatosa

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