Find flights
When to book
FAQs

Cheap flights from Milwaukee to Ontario from C$ 261

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Milwaukee to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Milwaukee to Ontario
Explore the most affordable flight options available from Milwaukee to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Sat 12/97:30 a.m. -
1 stop9h 14m
Mon 14/97:15 p.m. -
1 stop13h 46m
Deal found 3/8C$ 607
Tue 1/91:17 p.m. -
1 stop9h 12m
Tue 8/91:15 p.m. -
1 stop8h 45m
Deal found 2/8C$ 612
Thu 24/92:48 p.m. -
1 stop7h 38m
Tue 29/91:15 p.m. -
1 stop9h 39m
Deal found 2/8C$ 621
Sat 19/98:31 a.m. -
1 stop13h 55m
Mon 21/96:30 a.m. -
1 stop14h 33m
Deal found 4/8C$ 638
Fri 16/107:19 p.m. -
1 stop14h 40m
Mon 19/106:25 p.m. -
1 stop14h 42m
Deal found 2/8C$ 642
Sun 20/98:31 a.m. -
1 stop13h 55m
Tue 22/91:15 p.m. -
1 stop7h 48m
Deal found 4/8C$ 647
Fri 18/98:14 p.m. -
1 stop13h 45m
Fri 25/911:40 a.m. -
1 stop9h 23m
Deal found 4/8C$ 649
Thu 1/1012:44 p.m. -
1 stop10h 06m
Mon 5/1012:48 p.m. -
1 stop8h 17m
Deal found 7/8C$ 653
Fri 25/98:14 p.m. -
1 stop13h 45m
Sun 27/96:30 a.m. -
1 stop7h 18m
Deal found 4/8C$ 659
Sat 29/81:17 p.m. -
1 stop9h 12m
Tue 1/91:15 p.m. -
1 stop7h 44m
Deal found 2/8C$ 694
Thu 27/86:00 a.m. -
1 stop6h 41m
Tue 1/95:05 p.m. -
1 stop6h 25m
Deal found 6/8C$ 698
Tue 15/95:00 a.m. -
1 stop8h 20m
Sat 19/98:40 a.m. -
1 stop8h 29m
Deal found 6/8C$ 702

Find flight deals from Milwaukee to Ontario

Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated 7 August 2026.

Round-trip from

C$ 607

One-way from

C$ 261

Popular in

August

Cheapest in

September

Average price

C$ 1,384
American Airlines
  • American Airlines
  • 24/10-26/10
  • 2 total stops
  • 19h 33m total
  • Milwaukee to Ontario
Search Deals
20/9
  • 20/9
  • 1 total stop
  • 12h 25m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 7 August 2026.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeToronto

MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl

MKEYYZ

Milwaukee-Mitchell

Fri 16/10

7:19 p.m.-10:59 a.m.

1 stop14h 40m

Toronto Pearson Intl

Mon 19/10

6:25 p.m.-8:07 a.m.

1 stop14h 42m

C$ 642

MilwaukeeMontreal

MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl

MKEYUL

Milwaukee-Mitchell

Tue 17/11

6:00 a.m.-1:28 p.m.

1 stop6h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 18/11

3:00 p.m.-10:50 p.m.

1 stop8h 50m

C$ 720

MilwaukeeMontreal

MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl

MKEYUL

Milwaukee-Mitchell

Tue 1/9

6:00 a.m.-1:09 p.m.

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

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

1 stop6h 41m

C$ 720
Quickest round-trip

MilwaukeeToronto

MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl

MKEYYZ

Milwaukee-Mitchell

Thu 3/9

7:09 a.m.-11:19 a.m.

1 stop3h 10m

Toronto Pearson Intl

Mon 7/9

6:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 722

MilwaukeeToronto

MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl

MKEYYZ

Milwaukee-Mitchell

Fri 4/9

9:22 a.m.-6:34 p.m.

1 stop8h 12m

Toronto Pearson Intl

Mon 7/9

6:10 a.m.-12:45 p.m.

1 stop7h 35m

C$ 722

MilwaukeeMontreal

MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl

MKEYUL

Milwaukee-Mitchell

Tue 15/9

10:30 a.m.-5:30 p.m.

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

9:15 a.m.-5:30 p.m.

2 stops9h 15m

C$ 733

MilwaukeeMontreal

MKE Milwaukee-Mitchell - YUL Montreal Pierre Elliott Trudeau Intl

MKEYUL

Milwaukee-Mitchell

Wed 2/9

10:19 a.m.-5:30 p.m.

1 stop6h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

2:20 p.m.-10:36 p.m.

2 stops9h 16m

C$ 733

MilwaukeeToronto

MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl

MKEYYZ

Milwaukee-Mitchell

Sat 3/10

6:58 p.m.-11:35 a.m.

1 stop15h 37m

Toronto Pearson Intl

Mon 12/10

9:50 a.m.-7:15 p.m.

1 stop10h 25m

C$ 779

MilwaukeeToronto

MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl

MKEYYZ

Milwaukee-Mitchell

Wed 19/8

6:48 p.m.-11:03 p.m.

1 stop3h 15m

Toronto Pearson Intl

Sat 22/8

6:15 a.m.-10:20 a.m.

1 stop5h 05m

C$ 782

MilwaukeeToronto

MKE Milwaukee-Mitchell - YYZ Toronto Pearson Intl

MKEYYZ

Milwaukee-Mitchell

Mon 17/8

10:50 a.m.-9:19 p.m.

1 stop9h 29m

Toronto Pearson Intl

Fri 21/8

6:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 802

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 51 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Milwaukee to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Milwaukee 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 Milwaukee to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 846). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of C$ 1,534). 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

Find useful and relevant information for your journey from Milwaukee to Ontario. 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 from for flights from Milwaukee to Ontario?

    Most people fly from Milwaukee-Mitchell (MKE) if they book a flight from Milwaukee to Ontario. Milwaukee-Mitchell is conveniently located just 10.3 km from Milwaukee’s city centre.

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

    Departing from Milwaukee to Region of Ontario will take you 3h 10m. Milwaukee and Region of Ontario are separated by a distance of 674 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Milwaukee to Region of Ontario?

    The most popular route from Milwaukee to Region of Ontario is Milwaukee-Mitchell - Toronto Pearson Intl. You may also consider Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau Intl or Milwaukee-Mitchell - Ottawa.

  • Can I find deals for flights from Milwaukee to Ontario that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Ontario.

  • Can I find deals for business class flights from Milwaukee to Ontario?

    Yes. Cheapflights offers flight deals from Milwaukee to Ontario 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 Milwaukee to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to Region of Ontario (average of C$ 846). Flying from Milwaukee to Region of Ontario in December is currently the most expensive (average of C$ 1,534). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Milwaukee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pearson Intl flights
O'Hare Intl to Calgary flights
O'Hare Intl to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Toronto Island flights
Minneapolis to Pearson Intl flights
Minneapolis to Calgary flights
Minneapolis to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Québec City flights
Minneapolis to Vancouver Intl flights
O'Hare Intl to Hamilton flights
O'Hare Intl to Ottawa flights
O'Hare Intl to Abbotsford flights
O'Hare Intl to Winnipeg flights
O'Hare Intl to Halifax flights
Minneapolis to Québec City flights
Milwaukee to Pearson Intl flights
O'Hare Intl to Edmonton flights
Minneapolis to Abbotsford flights
Minneapolis to Halifax flights
Madison to Pearson Intl flights
Milwaukee to Pierre Elliott Trudeau Intl flights
Minneapolis to Hamilton flights
Milwaukee to Vancouver Intl flights
Minneapolis to Ottawa flights
Minneapolis to Edmonton flights
Minneapolis to Winnipeg flights
Milwaukee to Calgary flights
Madison to Vancouver Intl flights
O'Hare Intl to Victoria flights
Madison to Halifax flights
O'Hare Intl to Regina flights
O'Hare Intl to Saskatoon flights
Green Bay to Calgary flights
O'Hare Intl to St. John's flights
Appleton to Pierre Elliott Trudeau Intl flights
Minneapolis to Saskatoon flights
Milwaukee to Ottawa flights
Duluth to Pearson Intl flights
Minneapolis to St. John's flights
Madison to Ottawa flights
O'Hare Intl to Kelowna flights
O'Hare Intl to Yellowknife flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Milwaukee to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Milwaukee to Ontario.

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

Certainly. Search results for flights to Ontario from Milwaukee shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Milwaukee to Ontario 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.