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

Delta, American Airlines, and United Airlines can get you from Region of Ontario to Milwaukee in just under 7h 41m. Your travel time can differ by up to 7h 31m. 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$ 293+ 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 22 August 2026.

Sat 5/97:00 a.m. -

1 stop10h 14m

Sun 6/95:19 p.m. -

1 stop5h 33m

Deal found 17/8C$ 524

Sat 19/93:13 p.m. -

1 stop7h 41m

Sat 26/98:31 a.m. -

1 stop8h 13m

Deal found 22/8C$ 548

Fri 11/97:15 p.m. -

1 stop13h 46m

Mon 14/98:14 p.m. -

1 stop15h 21m

Deal found 19/8C$ 553

Sat 12/94:05 p.m. -

1 stop5h 00m

Tue 15/95:47 p.m. -

1 stop4h 52m

Deal found 17/8C$ 557

Tue 22/93:13 p.m. -

1 stop7h 41m

Fri 25/98:14 p.m. -

1 stop13h 45m

Deal found 20/8C$ 559

Fri 18/97:15 p.m. -

1 stop13h 46m

Fri 25/98:14 p.m. -

1 stop13h 45m

Deal found 18/8C$ 560

Sat 5/94:55 p.m. -

1 stop15h 12m

Sun 6/910:19 a.m. -

1 stop10h 07m

Deal found 18/8C$ 578

Tue 8/95:10 p.m. -

1 stop3h 55m

Mon 14/96:47 p.m. -

1 stop3h 40m

Deal found 19/8C$ 586

Thu 8/107:00 a.m. -

1 stop8h 30m

Tue 13/102:59 p.m. -

1 stop7h 55m

Deal found 18/8C$ 588

Sat 3/103:25 p.m. -

2 stops8h 34m

Sat 10/102:20 p.m. -

1 stop6h 06m

Deal found 21/8C$ 590

Wed 9/96:10 a.m. -

1 stop10h 01m

Sat 12/96:05 a.m. -

1 stop9h 05m

Deal found 21/8C$ 592

Sat 29/82:46 p.m. -

1 stop10h 07m

Tue 1/97:09 a.m. -

1 stop8h 11m

Deal found 17/8C$ 607

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 22 August 2026.

Sat 5/97:00 a.m. -

1 stop10h 14m

Sun 6/95:19 p.m. -

1 stop5h 33m

Deal found 17/8C$ 524

Tue 22/93:13 p.m. -

1 stop7h 41m

Fri 25/98:14 p.m. -

1 stop13h 45m

Deal found 20/8C$ 559

Sat 5/94:55 p.m. -

1 stop15h 12m

Sun 6/910:19 a.m. -

1 stop10h 07m

Deal found 18/8C$ 578

Tue 8/96:45 a.m. -

2 stops12h 22m

Mon 14/96:47 p.m. -

1 stop3h 40m

Deal found 19/8C$ 663

Sat 12/94:05 p.m. -

1 stop5h 00m

Tue 15/95:47 p.m. -

1 stop4h 52m

Deal found 17/8C$ 557

Sat 5/96:10 a.m. -

1 stop4h 50m

Sat 12/96:05 a.m. -

1 stop6h 04m

Deal found 22/8C$ 590

Tue 8/95:34 p.m. -

1 stop4h 26m

Sun 13/95:03 a.m. -

1 stop5h 41m

Deal found 20/8C$ 615

Tue 8/95:10 p.m. -

1 stop3h 55m

Mon 14/96:47 p.m. -

1 stop3h 40m

Deal found 19/8C$ 586

Wed 9/94:55 p.m. -

1 stop6h 41m

Sat 12/911:45 a.m. -

1 stop9h 21m

Deal found 20/8C$ 590

Sat 24/102:15 p.m. -

1 stop5h 58m

Wed 28/106:05 a.m. -

1 stop9h 42m

Deal found 21/8C$ 637

Thu 8/107:00 a.m. -

1 stop8h 30m

Tue 13/102:59 p.m. -

1 stop7h 55m

Deal found 18/8C$ 588

Wed 23/912:45 p.m. -

2 stops7h 10m

Tue 29/96:15 a.m. -

2 stops7h 04m

Deal found 19/8C$ 625

Tue 8/95:10 p.m. -

1 stop3h 55m

Sun 13/912:45 p.m. -

1 stop10h 05m

Deal found 21/8C$ 611

Sat 9/16:40 p.m. -

1 stop5h 47m

Wed 13/17:00 a.m. -

1 stop5h 33m

Deal found 18/8C$ 625

Wed 23/95:04 p.m. -

1 stop6h 17m

Tue 29/95:47 p.m. -

1 stop4h 52m

Deal found 19/8C$ 625

Sat 3/108:50 a.m. -

1 stop3h 40m

Sat 3/102:20 p.m. -

1 stop8h 39m

Deal found 21/8C$ 643

Sat 2/16:45 a.m. -

1 stop8h 11m

Sun 10/16:10 a.m. -

1 stop6h 33m

Deal found 20/8C$ 647

Fri 6/116:45 a.m. -

1 stop4h 28m

Sat 14/1110:48 a.m. -

1 stop4h 59m

Deal found 18/8C$ 647

Wed 9/97:30 a.m. -

2 stops8h 41m

Sun 13/910:20 a.m. -

1 stop4h 26m

Deal found 17/8C$ 647

Sat 12/96:25 a.m. -

1 stop4h 35m

Tue 15/912:05 p.m. -

2 stops9h 30m

Deal found 18/8C$ 746

Sat 17/106:05 a.m. -

2 stops8h 38m

Mon 19/107:18 a.m. -

1 stop13h 17m

Deal found 18/8C$ 746

Fri 11/96:05 a.m. -

2 stops10h 06m

Sun 20/96:00 a.m. -

1 stop6h 59m

Deal found 21/8C$ 772

Wed 23/93:10 p.m. -

1 stop9h 27m

Thu 24/92:20 p.m. -

1 stop6h 15m

Deal found 20/8C$ 772

Find flight deals from Ontario to Milwaukee

Round-trip from	C$ 524
One-way from	C$ 293

Delta
5/9-6/9
2 total stops
15h 47m total
Ontario to Milwaukee

Search Deals

American Airlines
29/9
1 total stop
7h 36m 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

Sat 5/9

7:00 a.m.-4:14 p.m.

1 stop10h 14m

Milwaukee-Mitchell

Sun 6/9

5:19 p.m.-11:52 p.m.

1 stop5h 33m

C$ 524

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sat 12/9

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

1 stop5h 00m

Milwaukee-Mitchell

Tue 15/9

5:47 p.m.-11:39 p.m.

1 stop4h 52m

C$ 557

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 22/9

3:13 p.m.-9:54 p.m.

1 stop7h 41m

Milwaukee-Mitchell

Fri 25/9

8:14 p.m.-10:59 a.m.

1 stop13h 45m

C$ 559

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

4:55 p.m.-7:07 a.m.

1 stop15h 12m

Milwaukee-Mitchell

Sun 6/9

10:19 a.m.-9:26 p.m.

1 stop10h 07m

C$ 578

Quickest round-trip

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

5:10 p.m.-8:05 p.m.

1 stop3h 55m

Milwaukee-Mitchell

Mon 14/9

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

1 stop3h 40m

C$ 586

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 8/10

7:00 a.m.-2:30 p.m.

1 stop8h 30m

Milwaukee-Mitchell

Tue 13/10

2:59 p.m.-11:54 p.m.

1 stop7h 55m

C$ 588

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

6:10 a.m.-10:00 a.m.

1 stop4h 50m

Milwaukee-Mitchell

Sat 12/9

6:05 a.m.-1:09 p.m.

1 stop6h 04m

C$ 590

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

4:55 p.m.-10:36 p.m.

1 stop6h 41m

Milwaukee-Mitchell

Sat 12/9

11:45 a.m.-10:06 p.m.

1 stop9h 21m

C$ 590

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

5:10 p.m.-8:05 p.m.

1 stop3h 55m

Milwaukee-Mitchell

Sun 13/9

12:45 p.m.-11:50 p.m.

1 stop10h 05m

C$ 611

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

5:34 p.m.-9:00 p.m.

1 stop4h 26m

Milwaukee-Mitchell

Sun 13/9

5:03 a.m.-11:44 a.m.

1 stop5h 41m

C$ 615

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/8

Showing 1-10 of 40 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$ 399). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 945). 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 below average for this route at the moment.

Region of Ontario to Milwaukee flights typically cost between C$ 621 and C$ 774 in September.
The cheapest round-trip price found within the last 5 days was C$ 553 on American Airlines (11 Sep-14 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, American Airlines, and United Airlines can get you from Region of Ontario to Milwaukee in just under 7h 41m. Your travel time can differ by up to 7h 31m. 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, October is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 399). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 945). 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 Ontario to Milwaukee

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Top 2 airlines flying from Ontario to Milwaukee

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 315	AverageC$ 859	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 696	AverageC$ 839	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$ 293

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 29/9. 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 22 August 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 22 August 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 22 August 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 22 August 2026.

Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 22 August 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 22 August 2026.

Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 22 August 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 below average for this route at the moment.

Region of Ontario to Milwaukee flights typically cost between C$ 621 and C$ 774 in September.The cheapest round-trip price found within the last 5 days was C$ 553 on American Airlines (11 Sep-14 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

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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 22 August 2026.

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

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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 22 August 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 22 August 2026.

Last-minute flights from Ontario to Milwaukee
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 22 August 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 22 August 2026.

Region of Ontario to Milwaukee flights typically cost between C$ 621 and C$ 774 in September.
The cheapest round-trip price found within the last 5 days was C$ 553 on American Airlines (11 Sep-14 Sep).