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$103+ Cheap flights from Milwaukee (MKE) to Ontario

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Milwaukee to Ontario

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 November 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 12/34:23 pmMKE - YYZ
1 stop17h 33mAmerican Airlines
Wed 12/1011:36 amYYZ - MKE
1 stop7h 23mAmerican Airlines
Deal found 11/4$358
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:35 pmMKE - YYZ
1 stop10h 36mMultiple Airlines
Wed 12/35:15 pmYYZ - MKE
1 stop17h 24mMultiple Airlines
Deal found 11/4$390
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:15 pmMKE - YYZ
1 stop17h 05mMultiple Airlines
Sun 12/287:10 amYYZ - MKE
1 stop13h 10mMultiple Airlines
Deal found 11/5$413
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:57 amMKE - YOW
1 stop4h 35mUnited Airlines
Wed 11/265:14 pmYOW - MKE
1 stop6h 29mUnited Airlines
Deal found 11/4$431
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:51 pmMKE - YYZ
2 stops27h 41mMultiple Airlines
Wed 12/105:15 pmYYZ - MKE
1 stop17h 24mMultiple Airlines
Deal found 11/4$437
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:51 pmMKE - YYZ
2 stops27h 41mMultiple Airlines
Sun 12/147:10 amYYZ - MKE
1 stop10h 59mMultiple Airlines
Deal found 11/4$439
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:06 pmMKE - YUL
1 stop27h 24mMultiple Airlines
Wed 1/288:00 amYUL - MKE
2 stops29h 51mMultiple Airlines
Deal found 11/4$462
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:35 pmMKE - YUL
3 stops27h 20mMultiple Airlines
Wed 11/267:25 pmYUL - MKE
1 stop17h 15mMultiple Airlines
Deal found 11/5$481
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Thu 11/271:00 pmMKE - YYZ
2 stops21h 03mAmerican Airlines
Wed 12/311:36 amYYZ - MKE
1 stop7h 23mAmerican Airlines
Deal found 11/4$483
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/2712:35 pmMKE - YYZ
1 stop10h 36mMultiple Airlines
Mon 12/16:30 pmYYZ - MKE
2 stops45h 25mMultiple Airlines
Deal found 11/6$498
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/271:00 pmMKE - YYZ
1 stop22h 32mAmerican Airlines
Mon 12/16:00 amYYZ - MKE
1 stop12h 43mAmerican Airlines
Deal found 11/6$502
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/126:28 pmMKE - YUL
1 stop19h 33mAmerican Airlines
Sun 12/143:50 pmYUL - MKE
1 stop8h 15mAmerican Airlines
Deal found 11/5$511

Cheap flight deals from Milwaukee to Ontario

Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$347
(Kiwi.com)

One-way from

$103
(Trip.com)

Popular in

August

Cheapest in

March

Average price

$622
Provider with most accurate pricing for Milwaukee-Mitchell-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Toronto (YTO) flights.
Search Deals
From Milwaukee-Mitchell to Ontario
Search Deals
One-way flight from Milwaukee-Mitchell to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 2,558,603 searches. Data last updated November 6, 2025.
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

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Wed 12/3

4:23 pm-10:56 am

1 stop17h 33m

Toronto Pearson Intl

Wed 12/10

11:36 am-5:59 pm

1 stop7h 23m

$358

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Wed 12/10

5:00 am-4:03 pm

1 stop10h 03m

Toronto Pearson Intl

Sun 12/14

6:00 am-3:07 pm

1 stop10h 07m

$358

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Mon 1/19

10:30 am-5:12 pm

1 stop5h 42m

Ottawa

Thu 1/22

5:11 pm-9:59 pm

1 stop5h 48m

$362

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 1/30

10:48 am-12:11 am

2 stops12h 23m

Toronto Pearson Intl

Mon 2/2

5:15 pm-5:04 pm

1 stop24h 49m

$370

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 11/27

12:35 pm-12:11 am

1 stop10h 36m

Toronto Pearson Intl

Wed 12/3

5:15 pm-9:39 am

1 stop17h 24m

$390

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sun 12/21

8:15 pm-2:20 pm

1 stop17h 05m

Toronto Pearson Intl

Sun 12/28

7:10 am-7:20 pm

1 stop13h 10m

$413

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Thu 11/20

10:57 am-4:32 pm

1 stop4h 35m

Ottawa

Wed 11/26

5:14 pm-10:43 pm

1 stop6h 29m

$431

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Sat 11/22

5:00 am-10:26 am

1 stop4h 26m

Ottawa

Wed 11/26

5:14 pm-9:59 pm

1 stop5h 45m

$431

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Wed 12/3

3:51 pm-8:32 pm

2 stops27h 41m

Toronto Pearson Intl

Wed 12/10

5:15 pm-9:39 am

1 stop17h 24m

$437

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Wed 12/10

3:51 pm-8:32 pm

2 stops27h 41m

Toronto Pearson Intl

Sun 12/14

7:10 am-5:09 pm

1 stop10h 59m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 $106). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of $173). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated November 6, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Milwaukee to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,155 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,416 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    If you book a flight to Ontario from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee.

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

    A quick flight from Milwaukee to Region of Ontario can take about 5h 42m. American Airlines provides one of the quickest options available for as low as $362. Airlines will cover a distance of 627 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Milwaukee to Region of Ontario?

    While some choose either Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau Intl or Milwaukee-Mitchell - Ottawa, Milwaukee-Mitchell - Toronto Pearson Intl is the most popular route from Milwaukee to Region of Ontario.

  • 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 $106). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of $173). 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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Top 2 airlines flying from Milwaukee to Ontario

Discover the top 2 airlines that operate flights from Milwaukee to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$349Average$476FlexibilityNo cancel feeOn-time71%
DeltaCheapest$359Average$375FlexibilityNo cancel feeOn-timeN/A

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