Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Milwaukee from C$ 234

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
5 May — 12 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 30 April 2025.

Round-trip from

C$ 450

One-way from

C$ 234

Popular in

July

Cheapest in

February

Average price

C$ 538
Air Canada
  • Air Canada
  • 29/5-31/5
  • 2 total stops
  • 13h 53m total
  • Ontario to Milwaukee
Search Deals
11/6
  • 11/6
  • 1 total stop
  • 10h 14m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 65 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 30 April 2025.

Thu 29/52:45 p.m.YYZ - MKE
1 stop7h 15mAir Canada
Sat 31/510:54 a.m.MKE - YYZ
1 stop6h 38mAir Canada
Deal found 28/4C$ 450
Wed 21/56:05 p.m.YYZ - MKE
1 stop4h 24mDelta
Sun 25/54:15 p.m.MKE - YYZ
1 stop5h 59mDelta
Deal found 28/4C$ 453
Sat 7/68:20 a.m.YUL - MKE
1 stop7h 50mAir Canada
Sat 14/611:00 a.m.MKE - YUL
1 stop5h 26mAir Canada
Deal found 28/4C$ 460
Sat 7/68:30 a.m.YUL - MKE
2 stops13h 30mUnited Airlines
Sat 14/611:00 a.m.MKE - YUL
1 stop5h 26mUnited Airlines
Deal found 28/4C$ 461
Thu 15/56:30 a.m.YYZ - MKE
1 stop3h 52mAmerican Airlines
Sun 18/56:00 a.m.MKE - YYZ
1 stop15h 45mAmerican Airlines
Deal found 27/4C$ 465
Wed 28/56:55 a.m.YYZ - MKE
2 stops13h 04mMultiple Airlines
Wed 4/67:54 p.m.MKE - YYZ
1 stop20h 26mMultiple Airlines
Deal found 28/4C$ 483
Wed 28/54:30 p.m.YYZ - MKE
2 stops6h 55mUnited Airlines
Wed 4/68:35 a.m.MKE - YYZ
2 stops7h 34mUnited Airlines
Deal found 28/4C$ 494
Mon 12/57:21 p.m.YYZ - MKE
1 stop16h 51mWestJet
Mon 19/56:34 p.m.MKE - YYZ
1 stop13h 24mWestJet
Deal found 28/4C$ 529
Fri 15/84:55 p.m.YUL - MKE
1 stop5h 05mDelta
Sun 17/86:00 a.m.MKE - YUL
1 stop9h 05mDelta
Deal found 29/4C$ 538
Fri 20/65:29 p.m.YUL - MKE
1 stop6h 51mAmerican Airlines
Mon 30/62:33 p.m.MKE - YUL
1 stop7h 11mAmerican Airlines
Deal found 28/4C$ 541
Tue 5/86:20 a.m.YUL - MKE
1 stop9h 32mWestJet
Thu 7/81:15 p.m.MKE - YUL
1 stop8h 53mWestJet
Deal found 28/4C$ 568
Sat 7/66:45 a.m.YUL - MKE
3 stops29h 42mMultiple Airlines
Sat 14/67:14 p.m.MKE - YUL
2 stops21h 41mMultiple Airlines
Deal found 28/4C$ 778

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 30 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

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

8:20 a.m.-3:10 p.m.

1 stop7h 50m

Milwaukee-Mitchell

Sat 14/6

11:00 a.m.-5:26 p.m.

1 stop5h 26m

C$ 460

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Sat 7/6

8:30 a.m.-9:00 p.m.

2 stops13h 30m

Milwaukee-Mitchell

Sat 14/6

11:00 a.m.-5:26 p.m.

1 stop5h 26m

C$ 461

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 25/5

7:00 a.m.-11:35 a.m.

1 stop5h 35m

Milwaukee-Mitchell

Fri 30/5

7:00 a.m.-11:49 a.m.

1 stop3h 49m

C$ 494

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 28/5

7:25 a.m.-2:02 p.m.

2 stops7h 37m

Milwaukee-Mitchell

Wed 4/6

6:23 p.m.-11:15 p.m.

1 stop3h 52m

C$ 509

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 9/5

1:00 p.m.-7:07 p.m.

1 stop7h 07m

Milwaukee-Mitchell

Sun 11/5

11:25 a.m.-4:42 p.m.

1 stop4h 17m

C$ 519

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 15/8

4:55 p.m.-9:00 p.m.

1 stop5h 05m

Milwaukee-Mitchell

Sun 17/8

6:00 a.m.-4:05 p.m.

1 stop9h 05m

C$ 538

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 20/6

5:29 p.m.-11:20 p.m.

1 stop6h 51m

Milwaukee-Mitchell

Mon 30/6

2:33 p.m.-10:44 p.m.

1 stop7h 11m

C$ 541

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 18/5

7:21 p.m.-10:57 p.m.

1 stop4h 36m

Milwaukee-Mitchell

Sun 25/5

1:08 p.m.-10:58 p.m.

1 stop8h 50m

C$ 558

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 5/8

6:20 a.m.-2:52 p.m.

1 stop9h 32m

Milwaukee-Mitchell

Thu 7/8

1:15 p.m.-11:08 p.m.

1 stop8h 53m

C$ 568

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 1/8

6:30 a.m.-12:33 p.m.

1 stop7h 03m

Milwaukee-Mitchell

Mon 4/8

9:38 a.m.-5:15 p.m.

1 stop6h 37m

C$ 692

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 24 results
1
2
3

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 30 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 30 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
9,961 reviews
Check prices

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,826 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 263. United Airlines flights start at C$ 266 while deals on Delta start at C$ 287 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

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 Ontario to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to O'Hare Intl flights
Vancouver Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Vancouver Intl to Minneapolis flights
Calgary to O'Hare Intl flights
Ottawa to O'Hare Intl flights
Québec City to O'Hare Intl flights
Pearson Intl to Minneapolis flights
Winnipeg to O'Hare Intl flights
Toronto Island to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Minneapolis flights
Region of Waterloo Intl to O'Hare Intl flights
Hamilton to O'Hare Intl flights
Edmonton to O'Hare Intl flights
Winnipeg to Minneapolis flights
Edmonton to Minneapolis flights
Vancouver Intl to Milwaukee flights
Calgary to Minneapolis flights
Halifax to O'Hare Intl flights
Pearson Intl to Milwaukee flights
Toronto Island to Minneapolis flights
Saskatoon to Minneapolis flights
London to O'Hare Intl flights
Moncton to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Milwaukee flights
Regina to Minneapolis flights
Pearson Intl to Madison flights
Kelowna to O'Hare Intl flights
Edmonton to Madison flights
Victoria to O'Hare Intl flights
Saskatoon to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Madison flights
St John to O'Hare Intl flights
Ottawa to Minneapolis flights
Ottawa to Milwaukee flights
Nanaimo to O'Hare Intl flights
Deer Lake to O'Hare Intl flights
Pearson Intl to Green Bay flights
St. John's to O'Hare Intl flights
Québec City to Minneapolis flights
Comox to O'Hare Intl flights
Calgary to Milwaukee flights
Halifax to Madison flights
Edmonton to Appleton flights
Fort McMurray to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Duluth flights
Regina to O'Hare Intl flights
Kingston to O'Hare Intl flights
Sudbury to O'Hare Intl flights
Pearson Intl to Duluth flights

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 385AverageC$ 617FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 395AverageC$ 724FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 396AverageC$ 483FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 480AverageC$ 589FlexibilityNo 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.

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.