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

American Airlines, Delta, and United Airlines can get you from Region of Ontario to Milwaukee in just under 5h 48m. Your travel time can differ by up to 2h 29m. 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$ 290+ 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 5 September 2026.

Tue 29/96:30 a.m. -

1 stop7h 18m

Thu 8/108:45 a.m. -

1 stop7h 59m

Deal found 3/9C$ 560

Sat 19/912:48 p.m. -

1 stop8h 17m

Tue 29/91:28 p.m. -

1 stop8h 59m

Deal found 1/9C$ 589

Wed 23/92:31 p.m. -

1 stop6h 02m

Tue 29/92:02 p.m. -

1 stop7h 50m

Deal found 1/9C$ 595

Sat 24/106:10 a.m. -

1 stop4h 57m

Sat 31/105:00 a.m. -

2 stops9h 16m

Deal found 3/9C$ 598

Fri 25/96:30 a.m. -

1 stop8h 46m

Thu 1/101:18 p.m. -

1 stop9h 07m

Deal found 3/9C$ 598

Tue 22/96:10 a.m. -

1 stop4h 50m

Wed 30/96:19 a.m. -

2 stops7h 21m

Deal found 1/9C$ 600

Fri 2/106:30 a.m. -

1 stop12h 51m

Mon 5/107:19 p.m. -

1 stop14h 40m

Deal found 4/9C$ 602

Sat 19/96:00 a.m. -

1 stop3h 48m

Sun 27/91:28 p.m. -

1 stop8h 59m

Deal found 1/9C$ 609

Wed 30/97:15 p.m. -

1 stop13h 46m

Wed 7/107:00 a.m. -

1 stop6h 56m

Deal found 31/8C$ 615

Tue 22/911:02 a.m. -

1 stop6h 39m

Thu 8/108:45 a.m. -

1 stop7h 59m

Deal found 3/9C$ 616

Sat 19/911:23 a.m. -

2 stops8h 31m

Sat 26/93:51 p.m. -

1 stop4h 35m

Deal found 1/9C$ 618

Sat 3/106:00 a.m. -

1 stop7h 51m

Thu 15/107:15 a.m. -

1 stop8h 00m

Deal found 2/9C$ 620

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 5 September 2026.

Thu 1/106:30 a.m. -

1 stop7h 18m

Thu 8/108:45 a.m. -

1 stop7h 59m

Deal found 3/9C$ 560

Sat 19/912:48 p.m. -

1 stop8h 17m

Sat 26/94:57 p.m. -

1 stop5h 30m

Deal found 1/9C$ 589

Sat 19/99:45 a.m. -

1 stop5h 48m

Wed 30/95:00 a.m. -

1 stop4h 40m

Deal found 1/9C$ 600

Fri 25/97:00 a.m. -

1 stop28h 04m

Tue 29/99:37 a.m. -

1 stop12h 50m

Deal found 4/9C$ 636

Tue 13/106:00 a.m. -

1 stop7h 44m

Thu 15/107:15 a.m. -

1 stop8h 00m

Deal found 3/9C$ 620

Tue 22/911:53 a.m. -

1 stop6h 10m

Fri 25/98:14 p.m. -

1 stop13h 45m

Deal found 2/9C$ 627

Thu 10/127:00 a.m. -

2 stops8h 58m

Sun 13/127:17 a.m. -

1 stop5h 34m

Deal found 4/9C$ 645

Tue 13/106:00 a.m. -

1 stop7h 44m

Fri 16/106:49 p.m. -

1 stop3h 36m

Deal found 3/9C$ 620

Sat 9/15:55 p.m. -

1 stop4h 11m

Wed 13/18:29 a.m. -

1 stop4h 34m

Deal found 31/8C$ 649

Thu 10/1212:50 p.m. -

1 stop8h 32m

Sun 13/1210:40 a.m. -

1 stop7h 14m

Deal found 1/9C$ 631

Wed 30/98:50 a.m. -

1 stop3h 40m

Wed 30/92:20 p.m. -

1 stop5h 24m

Deal found 2/9C$ 651

Wed 23/92:25 p.m. -

1 stop8h 56m

Thu 1/107:14 a.m. -

1 stop8h 05m

Deal found 1/9C$ 648

Sat 12/128:35 a.m. -

1 stop5h 57m

Sat 12/123:48 p.m. -

1 stop7h 11m

Deal found 4/9C$ 655

Sat 9/16:00 a.m. -

1 stop7h 27m

Wed 13/110:30 a.m. -

1 stop6h 21m

Deal found 1/9C$ 648

Sat 24/1011:23 a.m. -

2 stops8h 46m

Sat 31/105:00 a.m. -

2 stops9h 16m

Deal found 3/9C$ 659

Tue 22/98:50 a.m. -

1 stop6h 43m

Tue 29/92:20 p.m. -

2 stops8h 34m

Deal found 3/9C$ 659

Tue 29/912:45 p.m. -

2 stops7h 25m

Thu 8/108:30 a.m. -

1 stop6h 16m

Deal found 3/9C$ 680

Thu 24/98:50 a.m. -

1 stop3h 40m

Sat 26/98:30 a.m. -

2 stops9h 32m

Deal found 2/9C$ 680

Tue 22/912:45 p.m. -

2 stops9h 15m

Thu 8/107:18 a.m. -

1 stop5h 24m

Deal found 3/9C$ 680

Wed 23/95:57 p.m. -

1 stop6h 40m

Thu 24/96:15 a.m. -

2 stops7h 02m

Deal found 31/8C$ 770

Wed 23/96:00 a.m. -

3 stops12h 30m

Tue 29/96:00 a.m. -

1 stop9h 38m

Deal found 2/9C$ 779

Tue 13/106:25 a.m. -

1 stop6h 05m

Thu 15/107:18 a.m. -

1 stop5h 41m

Deal found 3/9C$ 779

Find flight deals from Ontario to Milwaukee

Round-trip from	C$ 560
One-way from	C$ 290

American Airlines
29/9-8/10
2 total stops
15h 17m total
Ontario to Milwaukee

Search Deals

30/9-31/12
1 total stop
26h 23m 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

Thu 1/10

6:30 a.m.-2:16 p.m.

1 stop8h 46m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 321

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

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

1 stop7h 48m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 336

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

5:34 p.m.-9:54 p.m.

1 stop5h 20m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 337

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

6:00 a.m.-3:11 p.m.

2 stops10h 11m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 358

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

6:45 a.m.-12:48 p.m.

2 stops7h 03m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 363

MontrealMilwaukee

YUL Montreal Pierre Elliott Trudeau Intl - MKE Milwaukee-Mitchell

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 20/11

7:00 a.m.-1:32 p.m.

2 stops7h 32m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 363

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Tue 29/9

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$ 365

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sat 26/9

10:45 a.m.-7:09 p.m.

2 stops9h 24m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 365

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sat 17/10

6:00 a.m.-8:50 a.m.

1 stop3h 50m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 370

TorontoMilwaukee

YYZ Toronto Pearson Intl - MKE Milwaukee-Mitchell

YYZMKE

Toronto Pearson Intl

Sat 17/10

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$ 370

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 41 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

YUL-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

YUL-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$ 401). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 949). 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$ 529 and C$ 752 in September.
The cheapest round-trip price found within the last 5 days was C$ 560 on American Airlines (29 Sep-8 Oct).

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?
American Airlines, Delta, and United Airlines can get you from Region of Ontario to Milwaukee in just under 5h 48m. Your travel time can differ by up to 2h 29m. 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$ 401). Flying from Region of Ontario to Milwaukee in June is currently the most expensive (average of C$ 949). 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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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$ 316	AverageC$ 862	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 699	AverageC$ 843	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$ 290

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 30/9. 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 5 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 5 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 5 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 5 September 2026.

Last-minute flights from Ontario to MilwaukeeDiscover last-minute flight deals from Ontario to Milwaukee. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 5 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 5 September 2026.

Search for one-way flight options from Ontario to Milwaukee. Find affordable one-way fares based on user searches. Data last updated 5 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?

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$ 529 and C$ 752 in September.The cheapest round-trip price found within the last 5 days was C$ 560 on American Airlines (29 Sep-8 Oct).

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 5 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?

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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 5 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 5 September 2026.

Last-minute flights from Ontario to Milwaukee
Discover last-minute flight deals from Ontario to Milwaukee. Data last updated 5 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 5 September 2026.

Region of Ontario to Milwaukee flights typically cost between C$ 529 and C$ 752 in September.
The cheapest round-trip price found within the last 5 days was C$ 560 on American Airlines (29 Sep-8 Oct).