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

A quick flight from Region of Ontario to Milwaukee can take about 4h 56m. American Airlines provides one of the quickest options available for as low as $404. 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 cheapest airlines to fly from Region of Ontario to Milwaukee one-way?

$211 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $234 and $281, respectively.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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.

What is the cheapest month to fly from Region of Ontario to Milwaukee?

Our data shows that February tends to be the cheapest month to fly to Milwaukee from Region of Ontario. Users have commonly found prices around $431 for the month, but tickets can be as low as $274. Due to multiple factors, prepare for potentially higher prices in August.

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.

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.

$192+ Flights from Ontario to Milwaukee

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

Airfare is typical for this route at the moment. Region of Ontario to Milwaukee flights typically cost between $307 and $521 in October. The cheapest round-trip price found within the last 3 days was $337 on Multiple Airlines (Oct 1-Oct 10).

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Cheap flight deals from Ontario to Milwaukee

Round-trip from	$337 (Kiwi.com)
One-way from	$192 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$367

From Ontario to Milwaukee-Mitchell

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One-way flight from Ontario to Milwaukee-Mitchell

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Highest demand for flights based on searches. 16% potential increase in price ($85 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find 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 September 11, 2025.

Wed 10/19:50 amYYZ - MKE

1 stop27h 08mMultiple Airlines

Fri 10/107:38 pmMKE - YYZ

2 stops24h 14mMultiple Airlines

Deal found 9/8

$337

Fri 10/249:30 amYYZ - MKE

1 stop10h 13mMultiple Airlines

Fri 10/317:38 pmMKE - YYZ

1 stop9h 42mMultiple Airlines

Deal found 9/9

$361

Wed 10/19:50 amYYZ - MKE

1 stop27h 08mMultiple Airlines

Sun 10/55:45 pmMKE - YYZ

2 stops16h 09mMultiple Airlines

Deal found 9/9

$372

Thu 10/26:30 amYYZ - MKE

1 stop12h 23mAmerican Airlines

Sun 10/52:27 pmMKE - YYZ

1 stop7h 58mAmerican Airlines

Deal found 9/9

$373

Sun 10/264:00 pmYYZ - MKE

2 stops28h 18mMultiple Airlines

Sun 11/27:38 pmMKE - YYZ

1 stop9h 42mMultiple Airlines

Deal found 9/11

$378

Thu 10/166:15 amYUL - MKE

1 stop4h 56mUnited Airlines

Sat 10/256:00 amMKE - YUL

1 stop14h 29mUnited Airlines

Deal found 9/11

$404

Wed 11/511:32 amYYZ - MKE

1 stop8h 42mAmerican Airlines

Sun 11/98:05 amMKE - YYZ

1 stop8h 35mAmerican Airlines

Deal found 9/10

$455

Wed 11/53:15 pmYYZ - MKE

2 stops20h 47mMultiple Airlines

Sun 11/911:57 amMKE - YYZ

1 stop22h 49mMultiple Airlines

Deal found 9/10

$461

Sat 10/255:15 amYOW - MKE

2 stops16h 53mUnited Airlines

Sat 11/12:45 pmMKE - YOW

1 stop5h 33mUnited Airlines

Deal found 9/9

$568

Best flights from Ontario to Milwaukee
Discover carefully curated flight deals from Ontario to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Thu 10/26:30 amYYZ - MKE

1 stop10h 33mAmerican Airlines

Sat 10/48:00 amMKE - YYZ

1 stop8h 43mAmerican Airlines

Deal found 9/8

$373

Wed 10/19:50 amYYZ - MKE

1 stop27h 08mMultiple Airlines

Fri 10/107:38 pmMKE - YYZ

1 stop23h 07mMultiple Airlines

Deal found 9/8

$376

Thu 10/166:15 amYUL - MKE

1 stop4h 56mUnited Airlines

Sat 10/256:00 amMKE - YUL

1 stop14h 29mUnited Airlines

Deal found 9/11

$404

Thu 2/267:59 amYYZ - MKE

1 stop5h 40mDelta

Mon 3/23:15 pmMKE - YYZ

1 stop6h 49mDelta

Deal found 9/8

$458

Tue 10/73:10 pmYYZ - MKE

1 stop7h 14mAmerican Airlines

Tue 10/148:16 pmMKE - YYZ

1 stop13h 43mAmerican Airlines

Deal found 9/9

$373

Sun 10/264:00 pmYYZ - MKE

2 stops28h 18mMultiple Airlines

Sun 11/27:38 pmMKE - YYZ

1 stop9h 42mMultiple Airlines

Deal found 9/11

$378

Fri 10/249:30 amYYZ - MKE

1 stop10h 13mMultiple Airlines

Fri 10/317:38 pmMKE - YYZ

3 stops17h 42mMultiple Airlines

Deal found 9/9

$411

Mon 10/207:24 pmYYZ - MKE

1 stop5h 50mAmerican Airlines

Fri 10/246:00 amMKE - YYZ

1 stop10h 19mAmerican Airlines

Deal found 9/9

$467

Wed 11/53:15 pmYYZ - MKE

2 stops20h 47mMultiple Airlines

Sun 11/911:57 amMKE - YYZ

1 stop22h 49mMultiple Airlines

Deal found 9/10

$461

Sat 10/255:15 amYOW - MKE

2 stops16h 53mUnited Airlines

Sat 11/13:49 pmMKE - YOW

2 stops7h 05mUnited Airlines

Deal found 9/9

$568

Thu 9/256:30 amYYZ - MKE

1 stop8h 27mAmerican Airlines

Mon 9/296:23 pmMKE - YYZ

1 stop15h 36mAmerican Airlines

Deal found 9/9

$470

Thu 10/27:15 amYYZ - MKE

2 stops13h 40mMultiple Airlines

Sun 10/55:45 pmMKE - YYZ

2 stops29h 10mMultiple Airlines

Deal found 9/9

$462

Last-minute flights from Ontario to Milwaukee
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated September 11, 2025 and is based on user searches.

Wed 10/19:50 amYYZ - MKE

1 stop27h 08mMultiple Airlines

Fri 10/107:38 pmMKE - YYZ

2 stops24h 14mMultiple Airlines

Deal found 9/8

$337

Wed 10/19:50 amYYZ - MKE

1 stop27h 08mMultiple Airlines

Sun 10/55:45 pmMKE - YYZ

2 stops16h 09mMultiple Airlines

Deal found 9/9

$372

Thu 10/26:30 amYYZ - MKE

1 stop12h 23mAmerican Airlines

Sun 10/52:27 pmMKE - YYZ

1 stop7h 58mAmerican Airlines

Deal found 9/9

$373

Thu 10/27:15 amYYZ - MKE

2 stops13h 40mMultiple Airlines

Sun 10/55:45 pmMKE - YYZ

2 stops29h 10mMultiple Airlines

Deal found 9/9

$462

Thu 10/166:15 amYUL - MKE

1 stop4h 56mUnited Airlines

Sat 10/258:20 amMKE - YUL

2 stops10h 25mUnited Airlines

Deal found 9/11

$404

Mon 10/207:24 pmYYZ - MKE

1 stop5h 50mAmerican Airlines

Fri 10/246:00 amMKE - YYZ

1 stop10h 19mAmerican Airlines

Deal found 9/9

$467

Fri 10/249:30 amYYZ - MKE

1 stop10h 13mMultiple Airlines

Fri 10/317:38 pmMKE - YYZ

1 stop9h 42mMultiple Airlines

Deal found 9/9

$361

Sat 10/255:15 amYOW - MKE

2 stops16h 53mUnited Airlines

Sat 11/12:45 pmMKE - YOW

1 stop5h 33mUnited Airlines

Deal found 9/9

$568

Sun 10/264:00 pmYYZ - MKE

2 stops28h 18mMultiple Airlines

Sun 11/27:38 pmMKE - YYZ

1 stop9h 42mMultiple Airlines

Deal found 9/11

$378

One-way flights from Ontario to Milwaukee
Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Thu 10/232:00 pmYYZ - MKE

2 stops29h 43mMultiple Airlines

Deal found 9/9

$192

Fri 10/179:30 amYYZ - MKE

1 stop10h 13mMultiple Airlines

Deal found 9/8

$201

Thu 10/99:45 amYYZ - MKE

1 stop9h 37mSun Country Air

Deal found 9/11

$211

Thu 10/98:00 amYYZ - MKE

3 stops35h 43mMultiple Airlines

Deal found 9/11

$213

Fri 10/249:30 amYYZ - MKE

1 stop10h 13mMultiple Airlines

Deal found 9/9

$220

Sun 10/55:15 pmYUL - MKE

1 stop18h 18mAmerican Airlines

Deal found 9/10

$234

Thu 10/211:00 amYYZ - MKE

1 stop13h 43mAmerican Airlines

Deal found 9/9

$235

Sat 12/610:15 amYYZ - MKE

2 stops50h 14mMultiple Airlines

Deal found 9/11

$258

Sun 10/2611:25 amYUL - MKE

3 stops32h 53mMultiple Airlines

Deal found 9/11

$262

Mon 10/205:15 pmYYZ - MKE

1 stop7h 15mAmerican Airlines

Deal found 9/8

$262

Sun 10/262:35 pmYUL - MKE

1 stop10h 39mAmerican Airlines

Deal found 9/11

$263

Sun 10/54:25 pmYOW - MKE

2 stops27h 54mMultiple Airlines

Deal found 9/10

$263

Fly from

Fly to

Route

Depart

Return

Price

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 10/2

6:30 am-4:03 pm

1 stop10h 33m

Milwaukee-Mitchell

Sat 10/4

8:00 am-5:43 pm

1 stop8h 43m

$373

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Tue 10/7

3:10 pm-9:24 pm

1 stop7h 14m

Milwaukee-Mitchell

Tue 10/14

8:16 pm-10:59 am

1 stop13h 43m

$373

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 10/1

9:50 am-11:58 am

1 stop27h 08m

Milwaukee-Mitchell

Fri 10/10

7:38 pm-7:45 pm

1 stop23h 07m

$376

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 10/26

4:00 pm-7:18 pm

2 stops28h 18m

Milwaukee-Mitchell

Sun 11/2

7:38 pm-6:20 am

1 stop9h 42m

$378

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 10/16

6:15 am-10:11 am

1 stop4h 56m

Milwaukee-Mitchell

Sat 10/25

6:00 am-9:29 pm

1 stop14h 29m

$404

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 10/24

9:30 am-6:43 pm

1 stop10h 13m

Milwaukee-Mitchell

Fri 10/31

7:38 pm-2:20 pm

3 stops17h 42m

$411

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 2/26

7:59 am-12:39 pm

1 stop5h 40m

Milwaukee-Mitchell

Mon 3/2

3:15 pm-11:04 pm

1 stop6h 49m

$458

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 11/5

3:15 pm-11:02 am

2 stops20h 47m

Milwaukee-Mitchell

Sun 11/9

11:57 am-11:46 am

1 stop22h 49m

$461

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 10/2

7:15 am-7:55 pm

2 stops13h 40m

Milwaukee-Mitchell

Sun 10/5

5:45 pm-11:55 pm

2 stops29h 10m

$462

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Mon 10/20

7:24 pm-12:14 am

1 stop5h 50m

Milwaukee-Mitchell

Fri 10/24

6:00 am-5:19 pm

1 stop10h 19m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 34 results

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, February is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $280). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from ON to MKE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Milwaukee as you normally would.

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

Related info for your journey

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 4h 56m. American Airlines provides one of the quickest options available for as low as $404. 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 cheapest airlines to fly from Region of Ontario to Milwaukee one-way?
$211 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $234 and $281, respectively.
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, February is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $280). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of $376). 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.

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$192+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Milwaukee with Cheapflights

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Cheap flight deals from Ontario to Milwaukee

Keep the following information in mind while searching for Ontario to Milwaukee flight deals. Data was last updated September 11, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Milwaukee

Cheapest flights from Ontario to MilwaukeeExplore 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 September 11, 2025.

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 September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.

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.

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?

What is the cheapest time of day to fly from ON to MKE?

Find hourly flight availability from Ontario to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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?

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

What are the cheapest airlines to fly from Region of Ontario to Milwaukee one-way?

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

Can I find deals for flights from Ontario to Milwaukee that include hotel bookings?

How can I find direct flights from Ontario to Milwaukee?

Can I find deals for business class flights from Ontario to Milwaukee?

What is the cheapest month to book a flight from Region of Ontario to Milwaukee?

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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 September 11, 2025.