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Ontario

$164+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This Mytrip deal was found by Cheapflights users on 12/7. 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 12/710:34 amMKE - YUL
1 stop12h 56mMultiple Airlines
Sun 12/144:35 pmYUL - MKE
1 stop18h 04mMultiple Airlines
Deal found 12/7$491
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Sun 12/288:08 pmMKE - YUL
1 stop18h 02mAmerican Airlines
Tue 12/307:08 amYUL - MKE
1 stop17h 50mAmerican Airlines
Deal found 12/7$554
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Sun 12/286:36 amMKE - YUL
1 stop8h 21mUnited Airlines
Wed 12/319:25 amYUL - MKE
1 stop12h 46mUnited Airlines
Deal found 12/7$565
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/248:15 pmMKE - YYZ
1 stop20h 43mMultiple Airlines
Sun 12/288:00 pmYYZ - MKE
2 stops27h 15mMultiple Airlines
Deal found 12/7$601
This United Airlines deal was found by Cheapflights users on 12/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:48 pmMKE - YOW
2 stops7h 06mUnited Airlines
Sun 12/286:00 amYOW - MKE
1 stop6h 00mUnited Airlines
Deal found 12/6$603
This Air Canada deal was found by Cheapflights users on 12/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amMKE - YUL
1 stop9h 57mAir Canada
Mon 12/299:25 amYUL - MKE
1 stop11h 30mAir Canada
Deal found 12/7$630
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:00 amMKE - YUL
1 stop9h 57mAir Canada
Wed 12/3111:10 amYUL - MKE
2 stops11h 01mAir Canada
Deal found 12/8$641
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/163:50 pmMKE - YUL
1 stop4h 27mUnited Airlines
Thu 12/182:13 pmYUL - MKE
2 stops7h 58mUnited Airlines
Deal found 12/8$644
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Mon 12/158:40 amMKE - YUL
2 stops10h 08mUnited Airlines
Thu 12/189:15 amYUL - MKE
2 stops8h 52mUnited Airlines
Deal found 12/7$649
This American Airlines deal was found by Cheapflights users on 12/7. 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 12/153:45 pmMKE - YUL
1 stop5h 55mAmerican Airlines
Thu 12/187:08 amYUL - MKE
1 stop17h 50mAmerican Airlines
Deal found 12/7$671
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Tue 12/238:00 amMKE - YUL
1 stop15h 30mMultiple Airlines
Mon 12/297:20 pmYUL - MKE
2 stops25h 00mMultiple Airlines
Deal found 12/7$673
This Justfly.com deal was found by Cheapflights users on 12/8. 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.
Tue 12/169:40 amMKE - YUL
1 stop5h 15mWestJet
Thu 12/187:10 amYUL - MKE
1 stop28h 24mWestJet
Deal found 12/8$675

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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$358
(American Airlines)

One-way from

$164
(Trip.com)

Popular in

October

Cheapest in

March

Average price

$283
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. 17% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 9, 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

Mon 1/12

7:40 pm-2:16 pm

1 stop17h 36m

Toronto Pearson Intl

Thu 1/15

7:10 am-6:47 pm

1 stop12h 37m

$362

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Wed 1/21

11:30 am-9:18 pm

1 stop8h 48m

Ottawa

Wed 1/28

6:00 am-10:46 am

1 stop5h 46m

$363

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Sat 1/10

5:00 am-5:12 pm

1 stop11h 12m

Ottawa

Tue 1/13

5:11 pm-9:59 pm

1 stop5h 48m

$363

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 1/29

7:32 am-6:20 pm

1 stop9h 48m

Toronto Pearson Intl

Sun 2/1

11:35 am-10:02 pm

1 stop11h 27m

$387

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 1/22

7:13 pm-8:11 pm

2 stops23h 58m

Toronto Pearson Intl

Thu 1/29

7:10 am-6:16 pm

1 stop12h 06m

$389

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 2/13

4:46 pm-10:56 am

1 stop17h 10m

Toronto Pearson Intl

Sun 2/15

6:18 pm-11:44 am

1 stop18h 26m

$463

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 1/31

3:20 pm-10:40 am

1 stop18h 20m

Toronto Pearson Intl

Mon 2/2

9:00 am-3:43 pm

1 stop7h 43m

$465

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 2/27

7:40 pm-7:35 pm

2 stops22h 55m

Toronto Pearson Intl

Thu 3/5

7:10 am-6:45 pm

1 stop12h 35m

$481

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 2/2

6:58 pm-1:45 pm

2 stops17h 47m

Montreal Pierre Elliott Trudeau Intl

Wed 2/11

3:50 pm-5:47 pm

1 stop26h 57m

$485

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 2/28

6:00 am-4:39 pm

1 stop9h 39m

Toronto Pearson Intl

Sat 2/28

6:45 pm-3:35 pm

1 stop21h 50m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 33 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 $79). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of $193). 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 December 9, 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
8,011 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

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
9,089 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

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
11,043 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

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
3,193 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

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
10,514 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

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 6h 44m. United Airlines provides one of the quickest options available for as low as $543. Airlines will cover a distance of 720 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 - Toronto Pearson Intl or Milwaukee-Mitchell - Ottawa, Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau 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 $79). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of $193). 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 airline flying from Milwaukee to Ontario

Discover the top airline 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$349Average$476FlexibilityNo cancel feeOn-time71%

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