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Milwaukee

$175+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
May 17 — May 241
Sun 5/17
Sun 5/24
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 April 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Mon 6/157:45 am
YYZ
-
MKE
1 stop25h 13m
Multiple Airlines
Tue 6/308:43 am
MKE
-
YYZ
1 stop10h 22m
Multiple Airlines
Deal found 4/16$337
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 5/1111:33 am
YYZ
-
MKE
1 stop13h 07m
American Airlines
Tue 5/125:06 am
MKE
-
YYZ
1 stop8h 27m
American Airlines
Deal found 4/17$397
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 6/86:26 pm
YYZ
-
MKE
1 stop14h 16m
American Airlines
Wed 6/101:40 pm
MKE
-
YYZ
1 stop8h 49m
American Airlines
Deal found 4/15$417
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Mon 6/19:50 am
YYZ
-
MKE
1 stop23h 11m
Multiple Airlines
Thu 6/48:46 am
MKE
-
YYZ
2 stops12h 09m
Multiple Airlines
Deal found 4/16$421
This United Airlines deal was found by Cheapflights users on 4/12. 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 6/26:05 am
YOW
-
MKE
2 stops7h 43m
United Airlines
Sat 6/612:15 pm
MKE
-
YOW
1 stop8h 20m
United Airlines
Deal found 4/12$429
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Thu 5/79:49 am
YYZ
-
MKE
1 stop3h 39m
Multiple Airlines
Tue 5/129:56 am
MKE
-
YYZ
1 stop9h 09m
Multiple Airlines
Deal found 4/13$446
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 5/3111:15 pm
YYZ
-
MKE
2 stops33h 46m
Multiple Airlines
Sun 6/78:46 am
MKE
-
YYZ
1 stop14h 44m
Multiple Airlines
Deal found 4/16$453
This American Airlines deal was found by Cheapflights users on 4/12. 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 6/161:15 pm
YYZ
-
MKE
1 stop8h 50m
American Airlines
Thu 6/188:12 am
MKE
-
YYZ
1 stop14h 17m
American Airlines
Deal found 4/12$463
This FlightHub deal was found by Cheapflights users on 4/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
YUL
-
MKE
1 stop13h 32m
WestJet
Sun 7/196:40 pm
MKE
-
YUL
1 stop3h 45m
WestJet
Deal found 4/13$468
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:00 am
YUL
-
MKE
1 stop3h 50m
WestJet
Sun 7/261:20 pm
MKE
-
YUL
1 stop9h 05m
WestJet
Deal found 4/14$479
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Mon 5/259:50 am
YYZ
-
MKE
1 stop23h 11m
Multiple Airlines
Thu 5/288:46 am
MKE
-
YYZ
2 stops12h 09m
Multiple Airlines
Deal found 4/13$483
This American Airlines deal was found by Cheapflights users on 4/16. 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 4/3012:30 pm
YUL
-
MKE
1 stop6h 30m
American Airlines
Wed 5/66:00 am
MKE
-
YUL
1 stop8h 27m
American Airlines
Deal found 4/16$487

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 April 17, 2026.

Round-trip from

$337
(Kiwi.com)

One-way from

$175
(Kiwi.com)
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 April 17, 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

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Mon 5/11

11:33 am-11:40 pm

1 stop13h 07m

Milwaukee-Mitchell

Tue 5/12

5:06 am-2:33 pm

1 stop8h 27m

$397

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 6/2

6:05 am-12:48 pm

2 stops7h 43m

Milwaukee-Mitchell

Sat 6/6

12:15 pm-9:35 pm

1 stop8h 20m

$429

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Sat 5/30

6:05 am-12:48 pm

2 stops7h 43m

Milwaukee-Mitchell

Sat 6/6

1:30 pm-9:35 pm

1 stop7h 05m

$432

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 5/2

6:00 am-1:14 pm

1 stop8h 14m

Milwaukee-Mitchell

Wed 5/6

11:00 am-6:51 pm

1 stop6h 51m

$487

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Tue 6/2

6:05 am-12:48 pm

2 stops7h 43m

Milwaukee-Mitchell

Sat 6/6

5:29 pm-1:36 am

2 stops7h 07m

$491

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 4/30

11:23 am-5:49 pm

1 stop7h 26m

Milwaukee-Mitchell

Fri 5/1

6:56 pm-10:40 am

1 stop14h 44m

$492

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 5/26

7:29 am-11:59 pm

1 stop17h 30m

Milwaukee-Mitchell

Mon 6/1

6:17 pm-1:50 pm

1 stop18h 33m

$494

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 5/15

6:00 am-6:03 pm

1 stop13h 03m

Milwaukee-Mitchell

Sun 5/17

9:35 am-11:13 pm

1 stop12h 38m

$496

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

6:45 am-8:50 am

2 stops27h 05m

Milwaukee-Mitchell

Mon 8/24

1:00 pm-4:45 pm

2 stops26h 45m

$512

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 5/26

6:45 am-8:28 pm

2 stops14h 43m

Milwaukee-Mitchell

Mon 6/1

5:48 pm-11:41 pm

1 stop4h 53m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 40 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, November is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $178). Flying from Region of Ontario to Milwaukee in December is currently the most expensive (average of $558). 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?

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 7h 43m. American Airlines provides one of the quickest options available for as low as $429. Airlines will cover a distance of 627 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, November is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $178). Flying from Region of Ontario to Milwaukee in December is currently the most expensive (average of $558). 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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