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

A quick flight from Region of Ontario to Milwaukee can take about 5h 46m. United Airlines provides one of the quickest options available for as low as $304. 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.

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 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.

$177+ Flights from Ontario to Milwaukee

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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 December 17, 2025.

Fri 12/269:25 amYUL - MKE

1 stop11h 30mAir Canada

Tue 12/305:00 amMKE - YUL

1 stop9h 57mAir Canada

Deal found 12/16

$590

Fri 12/266:45 amYUL - MKE

2 stops15h 50mWestJet

Tue 12/307:00 amMKE - YUL

1 stop15h 19mWestJet

Deal found 12/16

$610

Tue 12/309:00 amYYZ - MKE

1 stop11h 55mUnited Airlines

Fri 1/25:42 pmMKE - YYZ

1 stop5h 17mUnited Airlines

Deal found 12/16

$619

Fri 12/263:50 pmYUL - MKE

1 stop4h 48mAmerican Airlines

Tue 12/308:08 pmMKE - YUL

1 stop18h 02mAmerican Airlines

Deal found 12/17

$629

Thu 12/2512:45 pmYYZ - MKE

2 stops7h 08mUnited Airlines

Tue 12/303:48 pmMKE - YYZ

2 stops6h 58mUnited Airlines

Deal found 12/15

$664

Thu 12/185:14 pmYYZ - MKE

1 stop5h 34mMultiple Airlines

Fri 12/198:15 pmMKE - YYZ

1 stop25h 20mMultiple Airlines

Deal found 12/17

$722

Fri 12/197:15 amYYZ - MKE

1 stop13h 05mMultiple Airlines

Sun 12/218:15 pmMKE - YYZ

1 stop17h 05mMultiple Airlines

Deal found 12/15

$733

Thu 12/1812:13 pmYYZ - MKE

1 stop4h 54mWestJet

Thu 12/254:04 pmMKE - YYZ

1 stop6h 16mWestJet

Deal found 12/17

$742

Mon 12/225:15 pmYYZ - MKE

1 stop4h 20mWestJet

Mon 12/296:15 pmMKE - YYZ

1 stop3h 35mWestJet

Deal found 12/17

$751

Thu 12/258:55 pmYYZ - MKE

2 stops21h 38mMultiple Airlines

Tue 12/308:15 pmMKE - YYZ

3 stops24h 29mMultiple Airlines

Deal found 12/15

$768

Thu 12/1810:45 amYYZ - MKE

2 stops9h 08mUnited Airlines

Thu 12/2512:02 pmMKE - YYZ

2 stops10h 44mUnited Airlines

Deal found 12/17

$779

Sat 12/205:10 pmYYZ - MKE

1 stop5h 25mWestJet

Sat 12/277:00 amMKE - YYZ

1 stop3h 19mWestJet

Deal found 12/17

$782

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 December 17, 2025.

Thu 1/156:00 amYOW - MKE

1 stop5h 46mUnited Airlines

Mon 1/192:32 pmMKE - YOW

1 stop5h 46mUnited Airlines

Deal found 12/14

$304

Sat 1/177:10 amYYZ - MKE

1 stop12h 37mMultiple Airlines

Sun 1/187:42 pmMKE - YYZ

1 stop17h 38mMultiple Airlines

Deal found 12/15

$339

Fri 1/307:04 pmYYZ - MKE

1 stop16h 54mAmerican Airlines

Fri 2/69:30 amMKE - YYZ

1 stop7h 50mAmerican Airlines

Deal found 12/16

$366

Wed 1/289:34 amYUL - MKE

1 stop8h 31mDelta

Fri 1/306:00 amMKE - YUL

1 stop6h 22mDelta

Deal found 12/14

$442

Wed 1/75:15 pmYYZ - MKE

1 stop26h 30mMultiple Airlines

Sat 1/107:59 pmMKE - YYZ

1 stop17h 06mMultiple Airlines

Deal found 12/15

$369

Fri 1/307:00 amYUL - MKE

1 stop17h 35mAmerican Airlines

Fri 2/66:58 pmMKE - YUL

1 stop19h 10mAmerican Airlines

Deal found 12/16

$398

Tue 1/139:15 amYUL - MKE

2 stops13h 44mUnited Airlines

Thu 1/157:00 amMKE - YUL

1 stop6h 00mUnited Airlines

Deal found 12/16

$442

Sat 1/1710:59 amYYZ - MKE

1 stop12h 18mAmerican Airlines

Sun 1/181:04 pmMKE - YYZ

1 stop7h 19mAmerican Airlines

Deal found 12/15

$414

Thu 1/297:15 amYYZ - MKE

2 stops12h 01mMultiple Airlines

Thu 2/57:13 pmMKE - YYZ

1 stop15h 13mMultiple Airlines

Deal found 12/15

$420

Wed 1/282:13 pmYUL - MKE

2 stops7h 35mUnited Airlines

Fri 1/302:32 pmMKE - YUL

1 stop5h 45mUnited Airlines

Deal found 12/14

$442

Fri 2/133:55 pmYUL - MKE

1 stop8h 04mAmerican Airlines

Fri 3/68:42 amMKE - YUL

1 stop5h 23mAmerican Airlines

Deal found 12/14

$432

Sun 2/110:15 pmYYZ - MKE

2 stops17h 42mMultiple Airlines

Wed 2/46:56 pmMKE - YYZ

1 stop18h 24mMultiple Airlines

Deal found 12/15

$488

Fri 1/232:15 pmYYZ - MKE

1 stop8h 44mUnited Airlines

Mon 1/265:00 amMKE - YYZ

1 stop8h 01mUnited Airlines

Deal found 12/14

$499

Wed 4/16:00 amYYZ - MKE

1 stop10h 55mAmerican Airlines

Tue 4/710:13 amMKE - YYZ

1 stop11h 57mAmerican Airlines

Deal found 12/14

$472

Wed 4/11:00 pmYYZ - MKE

1 stop4h 37mUnited Airlines

Tue 4/79:40 amMKE - YYZ

2 stops8h 22mUnited Airlines

Deal found 12/14

$527

Last-minute flights from Ontario to Milwaukee
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated December 17, 2025 and is based on user searches.

Wed 1/75:15 pmYYZ - MKE

1 stop26h 30mMultiple Airlines

Sat 1/107:59 pmMKE - YYZ

1 stop17h 06mMultiple Airlines

Deal found 12/15

$369

Fri 1/97:10 amYYZ - MKE

1 stop12h 51mMultiple Airlines

Sun 1/117:40 pmMKE - YYZ

1 stop27h 45mMultiple Airlines

Deal found 12/16

$353

Tue 1/137:00 amYUL - MKE

2 stops12h 53mUnited Airlines

Thu 1/156:00 amMKE - YUL

1 stop7h 00mUnited Airlines

Deal found 12/17

$449

Thu 1/156:00 amYOW - MKE

1 stop5h 46mUnited Airlines

Mon 1/192:32 pmMKE - YOW

1 stop5h 46mUnited Airlines

Deal found 12/14

$304

Fri 1/167:10 amYYZ - MKE

1 stop12h 42mMultiple Airlines

Fri 1/237:28 pmMKE - YYZ

1 stop17h 52mMultiple Airlines

Deal found 12/17

$395

Sat 1/177:10 amYYZ - MKE

1 stop12h 37mMultiple Airlines

Sun 1/187:42 pmMKE - YYZ

1 stop17h 38mMultiple Airlines

Deal found 12/15

$339

Sat 1/1710:59 amYYZ - MKE

1 stop12h 18mAmerican Airlines

Sun 1/181:04 pmMKE - YYZ

1 stop7h 19mAmerican Airlines

Deal found 12/15

$414

Wed 1/281:02 pmYUL - MKE

1 stop4h 14mDelta

Fri 1/306:40 amMKE - YUL

1 stop4h 32mDelta

Deal found 12/15

$442

Thu 1/296:00 amYYZ - MKE

1 stop10h 57mAmerican Airlines

Thu 2/57:32 amMKE - YYZ

1 stop7h 31mAmerican Airlines

Deal found 12/15

$366

Thu 1/297:15 amYYZ - MKE

2 stops12h 01mMultiple Airlines

Thu 2/57:13 pmMKE - YYZ

1 stop15h 13mMultiple Airlines

Deal found 12/15

$420

Fri 1/307:00 amYUL - MKE

1 stop17h 35mAmerican Airlines

Fri 2/66:58 pmMKE - YUL

1 stop19h 10mAmerican Airlines

Deal found 12/16

$398

Fri 1/307:00 amYUL - MKE

2 stops9h 43mUnited Airlines

Fri 2/65:00 amMKE - YUL

2 stops7h 28mUnited Airlines

Deal found 12/16

$455

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 December 17, 2025.

Thu 1/297:10 amYYZ - MKE

1 stop12h 06mMultiple Airlines

Deal found 12/15

$177

Mon 2/166:29 pmYYZ - MKE

1 stop18h 15mAmerican Airlines

Deal found 12/16

$200

Sat 1/177:10 amYYZ - MKE

1 stop12h 37mMultiple Airlines

Deal found 12/15

$202

Mon 2/163:55 pmYUL - MKE

1 stop20h 49mAmerican Airlines

Deal found 12/16

$203

Thu 1/299:30 amYOW - MKE

1 stop9h 46mMultiple Airlines

Deal found 12/15

$209

Thu 1/296:00 amYOW - MKE

2 stops7h 09mAir Canada

Deal found 12/15

$213

Fri 1/301:14 pmYYZ - MKE

1 stop9h 48mAmerican Airlines

Deal found 12/16

$226

Wed 1/216:45 amYUL - MKE

3 stops36h 31mMultiple Airlines

Deal found 12/15

$238

Wed 1/212:13 pmYUL - MKE

2 stops9h 43mUnited Airlines

Deal found 12/15

$251

Thu 1/292:30 pmYUL - MKE

3 stops44h 47mMultiple Airlines

Deal found 12/15

$264

Thu 1/294:45 pmYYZ - MKE

1 stop23h 12mAlaska Airlines

Deal found 12/15

$267

Fri 1/307:40 pmYYZ - MKE

2 stops17h 29mUnited Airlines

Deal found 12/16

$283

Find flight deals from Ontario to Milwaukee

Round-trip from	$304 (United Airlines)
One-way from	$177 (Trip.com)
Popular in	August
Cheapest in	February
Average price	$514

From Ontario to Milwaukee-Mitchell

Search Deals

One-way flight from Ontario to Milwaukee-Mitchell

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Thu 1/15

6:00 am-10:46 am

1 stop5h 46m

Milwaukee-Mitchell

Mon 1/19

2:32 pm-9:18 pm

1 stop5h 46m

$304

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sat 1/17

7:10 am-6:47 pm

1 stop12h 37m

Milwaukee-Mitchell

Sun 1/18

7:42 pm-2:20 pm

1 stop17h 38m

$339

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 1/30

7:04 pm-10:58 am

1 stop16h 54m

Milwaukee-Mitchell

Fri 2/6

9:30 am-6:20 pm

1 stop7h 50m

$366

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 1/7

5:15 pm-6:45 pm

1 stop26h 30m

Milwaukee-Mitchell

Sat 1/10

7:59 pm-2:05 pm

1 stop17h 06m

$369

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

7:00 am-11:35 pm

1 stop17h 35m

Milwaukee-Mitchell

Fri 2/6

6:58 pm-3:08 pm

1 stop19h 10m

$398

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sat 1/17

10:59 am-10:17 pm

1 stop12h 18m

Milwaukee-Mitchell

Sun 1/18

1:04 pm-9:23 pm

1 stop7h 19m

$414

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Thu 1/29

7:15 am-6:16 pm

2 stops12h 01m

Milwaukee-Mitchell

Thu 2/5

7:13 pm-11:26 am

1 stop15h 13m

$420

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 2/13

3:55 pm-10:59 pm

1 stop8h 04m

Milwaukee-Mitchell

Fri 3/6

8:42 am-3:05 pm

1 stop5h 23m

$432

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 1/28

9:34 am-5:05 pm

1 stop8h 31m

Milwaukee-Mitchell

Fri 1/30

6:00 am-1:22 pm

1 stop6h 22m

$442

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

9:15 am-9:59 pm

2 stops13h 44m

Milwaukee-Mitchell

Thu 1/15

7:00 am-2:00 pm

1 stop6h 00m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 36 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, April is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $82). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of $184). 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?

One of the essential ways to save on airfare from Region of Ontario to Milwaukee is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 53% on airfare.

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 5h 46m. United Airlines provides one of the quickest options available for as low as $304. 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, April is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of $82). Flying from Region of Ontario to Milwaukee in February is currently the most expensive (average of $184). 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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$177+ 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 1/29. 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

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 December 17, 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 December 17, 2025.

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 December 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 December 17, 2025.

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 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 December 17, 2025.