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

Delta and United Airlines can get you from Region of Ontario to Milwaukee in just under 7h 55m. Your travel time can differ by up to 1h 17m. Region of Ontario and Milwaukee are separated by a distance of 1159 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$ 312+ 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 1 September 2026.

Fri 11/92:25 p.m. -

1 stop7h 55m

Mon 14/96:47 p.m. -

1 stop3h 40m

Deal found 27/8C$ 565

Tue 22/96:30 a.m. -

1 stop14h 33m

Fri 25/98:14 p.m. -

1 stop13h 45m

Deal found 27/8C$ 566

Sat 26/96:00 a.m. -

1 stop7h 48m

Sat 3/104:57 p.m. -

1 stop5h 30m

Deal found 27/8C$ 577

Sat 12/96:10 a.m. -

1 stop6h 20m

Sat 19/92:20 p.m. -

1 stop6h 06m

Deal found 29/8C$ 590

Sat 19/96:10 a.m. -

1 stop4h 50m

Sat 3/105:00 a.m. -

1 stop11h 30m

Deal found 27/8C$ 591

Thu 10/912:25 p.m. -

1 stop6h 53m

Wed 7/106:00 a.m. -

1 stop6h 40m

Deal found 27/8C$ 597

Fri 11/92:30 p.m. -

1 stop7h 50m

Sat 10/103:20 p.m. -

1 stop6h 55m

Deal found 27/8C$ 605

Fri 11/94:05 p.m. -

1 stop5h 00m

Thu 8/106:49 p.m. -

1 stop3h 07m

Deal found 27/8C$ 613

Wed 30/97:15 p.m. -

1 stop13h 46m

Wed 7/107:00 a.m. -

1 stop6h 56m

Deal found 31/8C$ 618

Thu 10/97:55 a.m. -

1 stop10h 12m

Sun 4/106:47 p.m. -

1 stop3h 12m

Deal found 27/8C$ 623

Thu 8/106:00 a.m. -

1 stop5h 14m

Thu 15/106:02 p.m. -

1 stop4h 43m

Deal found 27/8C$ 626

Tue 8/912:48 p.m. -

1 stop8h 17m

Tue 15/96:47 p.m. -

1 stop3h 40m

Deal found 27/8C$ 630

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 1 September 2026.

Fri 11/92:25 p.m. -

1 stop7h 55m

Mon 14/96:47 p.m. -

1 stop3h 40m

Deal found 27/8C$ 565

Sat 19/93:25 p.m. -

1 stop9h 12m

Sat 3/105:00 a.m. -

2 stops10h 10m

Deal found 27/8C$ 591

Mon 28/96:00 a.m. -

1 stop13h 07m

Mon 5/106:58 p.m. -

1 stop27h 24m

Deal found 29/8C$ 659

Tue 22/96:30 a.m. -

1 stop12h 51m

Fri 25/95:53 p.m. -

1 stop4h 53m

Deal found 30/8C$ 668

Sat 26/96:00 a.m. -

1 stop7h 48m

Sat 3/104:57 p.m. -

1 stop5h 30m

Deal found 27/8C$ 577

Thu 10/126:10 a.m. -

1 stop4h 46m

Sun 13/125:00 a.m. -

1 stop7h 51m

Deal found 28/8C$ 634

Fri 11/94:05 p.m. -

1 stop5h 00m

Thu 8/106:49 p.m. -

1 stop3h 07m

Deal found 27/8C$ 613

Wed 30/97:00 a.m. -

1 stop5h 30m

Wed 30/92:20 p.m. -

2 stops8h 34m

Deal found 31/8C$ 643

Thu 10/129:40 a.m. -

1 stop8h 39m

Sun 13/127:00 a.m. -

1 stop3h 59m

Deal found 31/8C$ 633

Sat 9/15:55 p.m. -

1 stop4h 11m

Wed 13/18:29 a.m. -

1 stop4h 34m

Deal found 29/8C$ 651

Mon 28/96:00 a.m. -

1 stop7h 48m

Mon 5/106:47 p.m. -

1 stop3h 40m

Deal found 31/8C$ 633

Wed 14/107:00 a.m. -

1 stop5h 30m

Wed 21/105:00 a.m. -

2 stops8h 19m

Deal found 30/8C$ 651

Fri 11/912:45 p.m. -

2 stops7h 09m

Tue 6/108:30 a.m. -

1 stop4h 12m

Deal found 27/8C$ 673

Sat 19/97:30 a.m. -

2 stops8h 03m

Sun 4/106:15 a.m. -

1 stop4h 34m

Deal found 28/8C$ 673

Fri 13/1110:53 a.m. -

1 stop5h 05m

Fri 13/116:18 p.m. -

1 stop14h 29m

Deal found 29/8C$ 686

Wed 23/96:00 a.m. -

3 stops12h 30m

Thu 24/910:42 a.m. -

1 stop5h 34m

Deal found 29/8C$ 772

Sat 24/106:00 a.m. -

2 stops8h 43m

Mon 2/116:47 a.m. -

1 stop6h 22m

Deal found 29/8C$ 773

Find flight deals from Ontario to Milwaukee

Round-trip from	C$ 565
One-way from	C$ 312

Delta
11/9-14/9
2 total stops
11h 35m total
Ontario to Milwaukee

Search Deals

19/10
1 total stop
26h 35m total
Ontario to Milwaukee

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

2:25 p.m.-9:20 p.m.

1 stop7h 55m

Milwaukee-Mitchell

Mon 14/9

6:47 p.m.-11:27 p.m.

1 stop3h 40m

C$ 565

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

6:00 a.m.-12:48 p.m.

1 stop7h 48m

Milwaukee-Mitchell

Sat 3/10

4:57 p.m.-11:27 p.m.

1 stop5h 30m

C$ 577

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

3:25 p.m.-11:37 p.m.

1 stop9h 12m

Milwaukee-Mitchell

Sat 3/10

5:00 a.m.-4:10 p.m.

2 stops10h 10m

C$ 591

Quickest round-trip

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Fri 11/9

4:05 p.m.-8:05 p.m.

1 stop5h 00m

Milwaukee-Mitchell

Thu 8/10

6:49 p.m.-10:56 p.m.

1 stop3h 07m

C$ 613

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 10/12

9:40 a.m.-5:19 p.m.

1 stop8h 39m

Milwaukee-Mitchell

Sun 13/12

7:00 a.m.-11:59 a.m.

1 stop3h 59m

C$ 633

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

6:00 a.m.-12:48 p.m.

1 stop7h 48m

Milwaukee-Mitchell

Mon 5/10

6:47 p.m.-11:27 p.m.

1 stop3h 40m

C$ 633

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 10/12

6:10 a.m.-9:56 a.m.

1 stop4h 46m

Milwaukee-Mitchell

Sun 13/12

5:00 a.m.-1:51 p.m.

1 stop7h 51m

C$ 634

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 30/9

7:00 a.m.-11:30 a.m.

1 stop5h 30m

Milwaukee-Mitchell

Wed 30/9

2:20 p.m.-11:54 p.m.

2 stops8h 34m

C$ 643

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sat 9/1

5:55 p.m.-9:06 p.m.

1 stop4h 11m

Milwaukee-Mitchell

Wed 13/1

8:29 a.m.-2:03 p.m.

1 stop4h 34m

C$ 651

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Wed 14/10

7:00 a.m.-11:30 a.m.

1 stop5h 30m

Milwaukee-Mitchell

Wed 21/10

5:00 a.m.-2:19 p.m.

2 stops8h 19m

C$ 651

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/8

Showing 1-10 of 35 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.

YUL-MKE

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

YUL-MKE

YYZ-MKE

YOW-MKE

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 402). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 953). 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.

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 C$ 532 and C$ 755 in September.
The cheapest round-trip price found within the last 5 days was C$ 566 on American Airlines (22 Sep-25 Sep).

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?
Delta and United Airlines can get you from Region of Ontario to Milwaukee in just under 7h 55m. Your travel time can differ by up to 1h 17m. Region of Ontario and Milwaukee are separated by a distance of 1159 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, October is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 402). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 953). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Alternative routes for Ontario to Milwaukee

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Top 2 airlines flying from Ontario to Milwaukee

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 317	AverageC$ 866	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 702	AverageC$ 846	FlexibilityNo cancel fee	On-time60%	Search WestJet 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!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Milwaukee?

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$ 312

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 19/10. 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 1 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 1 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 1 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 1 September 2026.

Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 1 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 1 September 2026.

Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from Ontario to Milwaukee

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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

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

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 C$ 532 and C$ 755 in September.The cheapest round-trip price found within the last 5 days was C$ 566 on American Airlines (22 Sep-25 Sep).

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

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Milwaukee by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Ontario to Milwaukee by cabin class

Find flights from Ontario to Milwaukee, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Milwaukee flights

Browse other Ontario and Milwaukee flight options. Last updated on 1 September 2026.

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Top 2 airlines flying from Ontario to Milwaukee

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

Why should you use Cheapflights to find cheap flight tickets from Ontario to Milwaukee?

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

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

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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 1 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 1 September 2026.

Last-minute flights from Ontario to Milwaukee
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 1 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 1 September 2026.

Region of Ontario to Milwaukee flights typically cost between C$ 532 and C$ 755 in September.
The cheapest round-trip price found within the last 5 days was C$ 566 on American Airlines (22 Sep-25 Sep).