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Cheap flights from Ontario to Milwaukee from C$ 225

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
27 Apr — 4 May1
1 adult

Cheap flight deals from Ontario to Milwaukee

Keep the following information in mind while searching for Ontario to Milwaukee flight deals. Data was last updated 22 April 2025.

Round-trip from

C$ 382

One-way from

C$ 225

Popular in

July

Cheapest in

February

Average price

C$ 538
Delta
  • Delta
  • 1/6-8/6
  • 2 total stops
  • 6h 38m total
  • Ontario to Milwaukee
Search Deals
American Airlines
  • American Airlines
  • 28/5
  • 1 total stop
  • 7h 17m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ontario to Milwaukee

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 April 2025.

Sun 1/66:30 a.m.YYZ - MKE
1 stop3h 23mDelta
Sun 8/67:05 a.m.MKE - YYZ
1 stop3h 15mDelta
Deal found 21/4C$ 382
Wed 21/56:15 a.m.YUL - MKE
1 stop5h 57mDelta
Wed 28/54:15 p.m.MKE - YUL
1 stop6h 04mDelta
Deal found 21/4C$ 387
Wed 7/56:30 a.m.YYZ - MKE
1 stop8h 32mAmerican Airlines
Wed 7/56:23 p.m.MKE - YYZ
1 stop15h 28mAmerican Airlines
Deal found 22/4C$ 394
Fri 9/57:47 a.m.YUL - MKE
1 stop14h 23mAmerican Airlines
Sun 11/56:30 a.m.MKE - YUL
1 stop4h 14mAmerican Airlines
Deal found 22/4C$ 401
Wed 4/611:00 a.m.YYZ - MKE
1 stop5h 10mUnited Airlines
Wed 4/65:29 p.m.MKE - YYZ
1 stop4h 38mUnited Airlines
Deal found 20/4C$ 417
Mon 19/56:40 p.m.YUL - MKE
1 stop4h 35mUnited Airlines
Mon 26/57:15 a.m.MKE - YUL
1 stop15h 11mUnited Airlines
Deal found 21/4C$ 460
Thu 22/56:40 p.m.YUL - MKE
1 stop4h 45mMultiple Airlines
Thu 29/512:10 p.m.MKE - YUL
2 stops8h 31mMultiple Airlines
Deal found 22/4C$ 466
Mon 5/54:30 p.m.YYZ - MKE
1 stop6h 45mAir Canada
Thu 8/510:15 a.m.MKE - YYZ
1 stop4h 31mAir Canada
Deal found 22/4C$ 466
Mon 2/64:00 p.m.YYZ - MKE
1 stop20h 27mMultiple Airlines
Mon 9/69:15 a.m.MKE - YYZ
2 stops27h 50mMultiple Airlines
Deal found 21/4C$ 480
Fri 9/56:45 a.m.YUL - MKE
2 stops12h 09mWestJet
Sun 11/59:05 a.m.MKE - YUL
1 stop13h 14mWestJet
Deal found 22/4C$ 510
Fri 9/53:50 p.m.YYZ - MKE
1 stop3h 04mWestJet
Mon 12/56:34 p.m.MKE - YYZ
1 stop3h 24mWestJet
Deal found 22/4C$ 545
Fri 20/61:00 p.m.YUL - MKE
2 stops9h 00mAir Canada
Mon 30/65:45 p.m.MKE - YUL
2 stops7h 06mAir Canada
Deal found 22/4C$ 659

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Milwaukee 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 22 April 2025.
Use the filters below to find and compare flights from Ontario to Milwaukee that are best for you.

Fly from

Ontario

Fly to

Milwaukee

Route

Depart

Return

Price

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 1/6

6:30 a.m.-8:53 a.m.

1 stop3h 23m

Milwaukee-Mitchell

Sun 8/6

7:05 a.m.-11:20 a.m.

1 stop3h 15m

C$ 382

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

6:15 a.m.-11:12 a.m.

1 stop5h 57m

Milwaukee-Mitchell

Wed 28/5

4:15 p.m.-11:19 p.m.

1 stop6h 04m

C$ 387

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 7/5

6:30 a.m.-2:02 p.m.

1 stop8h 32m

Milwaukee-Mitchell

Wed 7/5

6:23 p.m.-10:51 a.m.

1 stop15h 28m

C$ 394

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

7:47 a.m.-9:10 p.m.

1 stop14h 23m

Milwaukee-Mitchell

Sun 11/5

6:30 a.m.-11:44 a.m.

1 stop4h 14m

C$ 401

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 4/6

11:00 a.m.-3:10 p.m.

1 stop5h 10m

Milwaukee-Mitchell

Wed 4/6

5:29 p.m.-11:07 p.m.

1 stop4h 38m

C$ 417

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

6:40 p.m.-10:15 p.m.

1 stop4h 35m

Milwaukee-Mitchell

Mon 26/5

7:15 a.m.-11:26 p.m.

1 stop15h 11m

C$ 460

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

6:40 p.m.-10:25 p.m.

1 stop4h 45m

Milwaukee-Mitchell

Thu 29/5

12:10 p.m.-9:41 p.m.

2 stops8h 31m

C$ 466

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Mon 5/5

4:30 p.m.-10:15 p.m.

1 stop6h 45m

Milwaukee-Mitchell

Thu 8/5

10:15 a.m.-3:46 p.m.

1 stop4h 31m

C$ 466

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Mon 2/6

4:00 p.m.-11:27 a.m.

1 stop20h 27m

Milwaukee-Mitchell

Mon 9/6

9:15 a.m.-2:05 p.m.

2 stops27h 50m

C$ 480

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

6:45 a.m.-5:54 p.m.

2 stops12h 09m

Milwaukee-Mitchell

Sun 11/5

9:05 a.m.-11:19 p.m.

1 stop13h 14m

C$ 510

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 29 results
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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.
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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 341). Flying from Region of Ontario to Milwaukee in July is currently the most expensive (average of C$ 484). 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.

What is the cheapest time of day to fly from ON to MKE?

Find hourly flight availability from Ontario to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 April 2025.

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.

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

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.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated 22 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Ontario to Milwaukee by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,911 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,813 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

  • What are the cheapest airlines to fly from Region of Ontario to Milwaukee one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 225. Delta flights start at C$ 229 while deals on United Airlines start at C$ 239 one-way.

  • 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, January is the cheapest month in which you can book a flight from Region of Ontario to Milwaukee (average of C$ 341). Flying from Region of Ontario to Milwaukee in July is currently the most expensive (average of C$ 484). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Milwaukee

Discover the top 4 airlines that operate flights from Ontario to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 385AverageC$ 617FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 394AverageC$ 718FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 396AverageC$ 483FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 479AverageC$ 588FlexibilityNo cancel feeOn-time60%
Search WestJet 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 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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