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

United Airlines and Delta can get you from Region of Ontario to Milwaukee in just under 6h 21m. Your travel time can differ by up to 1h 23m. Region of Ontario and Milwaukee are separated by a distance of 674 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Milwaukee ranges from 36.0 - 102.0 mm per month. June is typically the wettest month, when rainfall can reach 102.0 mm. January is typically the driest time to visit Milwaukee when rainfall is around 36.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 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.

What airport do you fly into for flights to Milwaukee from Ontario?

Located just 10.3 km from the city centre, Milwaukee-Mitchell (MKE) is the airport most travelers will use when flying to Milwaukee from Ontario.

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.

C$ 286+ Cheap Flights from Ontario to Milwaukee

Cheap flight deals from Ontario to Milwaukee

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 28 September 2026.

Sun 4/103:13 p.m. -

1 stop5h 48m

Sun 11/107:45 a.m. -

1 stop5h 48m

Deal found 27/9C$ 629

Mon 19/104:45 p.m. -

2 stops17h 35m

Tue 27/1010:15 a.m. -

1 stop28h 08m

Deal found 25/9C$ 669

Thu 10/1212:44 p.m. -

1 stop12h 11m

Mon 14/125:10 a.m. -

1 stop10h 24m

Deal found 25/9C$ 672

Thu 15/102:24 p.m. -

1 stop9h 54m

Tue 20/106:03 a.m. -

1 stop9h 44m

Deal found 24/9C$ 674

Wed 14/107:00 a.m. -

1 stop5h 30m

Tue 20/105:30 a.m. -

2 stops7h 17m

Deal found 27/9C$ 684

Wed 25/113:35 p.m. -

1 stop6h 15m

Wed 2/126:00 a.m. -

1 stop7h 03m

Deal found 25/9C$ 686

Sat 7/116:00 a.m. -

1 stop3h 50m

Sat 14/118:10 a.m. -

1 stop8h 04m

Deal found 23/9C$ 689

Sat 24/107:29 a.m. -

1 stop4h 42m

Sat 31/106:30 a.m. -

1 stop9h 17m

Deal found 24/9C$ 697

Wed 25/116:21 p.m. -

1 stop5h 19m

Wed 2/125:10 a.m. -

1 stop10h 24m

Deal found 23/9C$ 699

Thu 15/102:26 p.m. -

1 stop4h 38m

Tue 20/109:35 a.m. -

1 stop3h 01m

Deal found 27/9C$ 706

Sat 24/107:30 a.m. -

2 stops8h 41m

Sat 31/103:33 p.m. -

2 stops7h 19m

Deal found 24/9C$ 708

Mon 7/122:00 p.m. -

2 stops8h 55m

Tue 8/127:00 a.m. -

1 stop6h 09m

Deal found 27/9C$ 848

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 28 September 2026.

Tue 22/123:35 p.m. -

1 stop6h 21m

Tue 5/13:42 p.m. -

1 stop4h 33m

Deal found 27/9C$ 684

Tue 20/106:00 a.m. -

1 stop7h 44m

Tue 27/101:24 p.m. -

1 stop8h 32m

Deal found 25/9C$ 684

Mon 16/118:00 a.m. -

1 stop26h 16m

Wed 25/114:33 p.m. -

2 stops26h 19m

Deal found 25/9C$ 881

Wed 14/106:30 a.m. -

1 stop6h 31m

Tue 20/101:18 p.m. -

1 stop9h 18m

Deal found 27/9C$ 684

Sat 24/108:50 a.m. -

1 stop3h 40m

Sat 31/108:50 a.m. -

1 stop4h 13m

Deal found 25/9C$ 684

Wed 11/119:45 a.m. -

1 stop3h 51m

Wed 18/119:35 a.m. -

1 stop2h 55m

Deal found 27/9C$ 684

Wed 14/107:00 a.m. -

1 stop5h 30m

Tue 20/105:30 a.m. -

2 stops7h 17m

Deal found 27/9C$ 684

Sat 9/18:35 a.m. -

1 stop6h 26m

Wed 13/112:30 p.m. -

1 stop5h 15m

Deal found 27/9C$ 684

Sat 7/116:00 a.m. -

1 stop3h 50m

Sat 14/118:10 a.m. -

1 stop8h 04m

Deal found 23/9C$ 689

Wed 11/119:44 a.m. -

2 stops8h 19m

Wed 18/119:17 a.m. -

2 stops9h 42m

Deal found 27/9C$ 684

Thu 15/102:26 p.m. -

1 stop4h 38m

Tue 20/109:35 a.m. -

1 stop3h 01m

Deal found 26/9C$ 706

Fri 23/107:30 p.m. -

2 stops12h 37m

Sat 24/1012:05 p.m. -

2 stops10h 49m

Deal found 27/9C$ 848

Mon 7/123:10 p.m. -

2 stops8h 45m

Tue 8/126:00 a.m. -

2 stops8h 07m

Deal found 25/9C$ 848

Mon 23/114:46 p.m. -

1 stop6h 29m

Fri 27/118:00 a.m. -

1 stop5h 09m

Deal found 23/9C$ 851

Find flight deals from Ontario to Milwaukee

Round-trip from	C$ 669
One-way from	C$ 286

19/10-27/10
3 total stops
45h 43m total
Ontario to Milwaukee

Search Deals

26/10-31/12
1 total stop
27h 46m total
Ontario to Milwaukee

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 10/11

12:44 p.m.-11:55 p.m.

1 stop12h 11m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 378

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 10/11

9:44 a.m.-6:58 p.m.

2 stops10h 14m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 383

Quickest round-trip

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sat 24/10

7:00 p.m.-11:37 p.m.

1 stop5h 37m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 395

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 21/10

12:45 p.m.-7:10 p.m.

2 stops7h 25m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 395

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 27/10

10:00 a.m.-5:02 p.m.

2 stops8h 02m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 396

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Fri 16/10

8:50 a.m.-1:43 p.m.

1 stop5h 53m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 407

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Fri 30/10

10:30 a.m.-8:50 p.m.

2 stops11h 20m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 416

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Mon 9/11

2:45 p.m.-8:50 p.m.

2 stops7h 05m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 416

OttawaMilwaukee

YOW Ottawa - MKE Milwaukee-Mitchell

YOWMKE

Ottawa

Sun 8/11

7:05 a.m.-9:16 a.m.

3 stops51h 11m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 424

OttawaMilwaukee

YOW Ottawa - MKE Milwaukee-Mitchell

YOWMKE

Ottawa

Sun 8/11

6:15 a.m.-8:50 p.m.

1 stop15h 35m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 567

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/9

Showing 1-10 of 24 resultsSorted by cheapest first

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.

YYZ-MKE

YOW-MKE

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

CAON-MKE

YYZ-MKE

YOW-MKE

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 625). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 971). 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.

Related info for your journey

What airport do you fly into for flights to Milwaukee from Ontario?
Located just 10.3 km from the city centre, Milwaukee-Mitchell (MKE) is the airport most travelers will use when flying to Milwaukee from Ontario.
How long is the flight from Region of Ontario to Milwaukee?
United Airlines and Delta can get you from Region of Ontario to Milwaukee in just under 6h 21m. Your travel time can differ by up to 1h 23m. Region of Ontario and Milwaukee are separated by a distance of 674 km. Both multi-stop and direct flights can be found to your destination and back.
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, September is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 625). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 971). 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

Complete your trip

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Alternative routes for Ontario to Milwaukee

Pearson Intl to O'Hare Intl flights

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Top airline flying from Ontario to Milwaukee

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 323	AverageC$ 882	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Ontario to Milwaukee?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Milwaukee from Ontario today with Cheapflights!

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Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Milwaukee for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Milwaukee with no change fees?

Need flexible booking options for your flight to Milwaukee from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Milwaukee become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Milwaukee flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Ontario to Milwaukee from C$ 286

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 28 September 2026.

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 28 September 2026.

Best flights from Ontario to MilwaukeeDiscover 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 28 September 2026.

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 28 September 2026.

Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Ontario to MilwaukeeSearch for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

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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.

Cheapflights Insights

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

Related info for your journey

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Milwaukee

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Complete your trip

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Direct flights to United States

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Search flights from Ontario to Milwaukee by cabin class

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Ontario and Milwaukee flights

Browse other Ontario and Milwaukee flight options. Last updated on 28 September 2026.

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Can Cheapflights find flights from Ontario to Milwaukee with no change fees?

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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 28 September 2026.

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 28 September 2026.

Last-minute flights from Ontario to Milwaukee
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 28 September 2026 and is based on user searches.

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 28 September 2026.