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Cheap flights from Ontario to Milwaukee from C$ 282

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MKE
8 Jul — 15 Jul1
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 3 July 2025.

Round-trip from

C$ 473

One-way from

C$ 282

Popular in

June

Cheapest in

February

Average price

C$ 681
30/7-6/8
  • 30/7-6/8
  • 3 total stops
  • 53h 04m total
  • Ontario to Milwaukee
Search Deals
Delta
  • Delta
  • 28/9
  • 1 total stop
  • 3h 42m total
  • Ontario to Milwaukee
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 3 July 2025.

Wed 30/72:00 p.m.YYZ - MKE
2 stops24h 56mMultiple Airlines
Wed 6/82:51 p.m.MKE - YYZ
1 stop28h 08mMultiple Airlines
Deal found 2/7C$ 473
Thu 23/1012:30 p.m.YUL - MKE
1 stop8h 56mAmerican Airlines
Mon 27/108:16 p.m.MKE - YUL
1 stop14h 19mAmerican Airlines
Deal found 1/7C$ 481
Tue 5/86:00 a.m.YUL - MKE
1 stop3h 43mDelta
Mon 2/23:15 p.m.MKE - YUL
1 stop7h 14mDelta
Deal found 3/7C$ 502
Tue 5/86:15 a.m.YUL - MKE
1 stop4h 47mUnited Airlines
Mon 2/28:29 a.m.MKE - YUL
2 stops12h 01mUnited Airlines
Deal found 3/7C$ 517
Fri 1/86:30 a.m.YYZ - MKE
1 stop8h 50mAmerican Airlines
Fri 8/87:49 p.m.MKE - YYZ
1 stop15h 47mAmerican Airlines
Deal found 2/7C$ 555
Fri 15/86:45 a.m.YUL - MKE
1 stop17h 21mMultiple Airlines
Fri 22/85:34 p.m.MKE - YUL
2 stops23h 21mMultiple Airlines
Deal found 1/7C$ 583
Thu 23/106:45 a.m.YUL - MKE
2 stops26h 56mWestJet
Mon 27/105:00 p.m.MKE - YUL
1 stop18h 15mWestJet
Deal found 1/7C$ 604
Wed 1/107:00 a.m.YYZ - MKE
1 stop4h 11mUnited Airlines
Wed 1/105:41 p.m.MKE - YYZ
1 stop5h 17mUnited Airlines
Deal found 2/7C$ 605
Fri 1/83:50 p.m.YOW - MKE
2 stops24h 52mMultiple Airlines
Fri 8/84:37 p.m.MKE - YOW
1 stop23h 29mMultiple Airlines
Deal found 2/7C$ 620
Sun 13/76:30 a.m.YYZ - MKE
1 stop3h 13mDelta
Sun 14/99:37 a.m.MKE - YYZ
1 stop4h 45mDelta
Deal found 2/7C$ 632
Wed 24/95:25 p.m.YOW - MKE
1 stop4h 21mUnited Airlines
Fri 26/96:00 a.m.MKE - YOW
1 stop10h 06mUnited Airlines
Deal found 3/7C$ 792
Wed 24/95:55 a.m.YOW - MKE
2 stops7h 29mDelta
Fri 26/912:14 p.m.MKE - YOW
2 stops11h 08mDelta
Deal found 1/7C$ 835

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 3 July 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

Wed 30/7

2:00 p.m.-1:56 p.m.

2 stops24h 56m

Milwaukee-Mitchell

Wed 6/8

2:51 p.m.-7:59 p.m.

1 stop28h 08m

C$ 473

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

12:30 p.m.-8:26 p.m.

1 stop8h 56m

Milwaukee-Mitchell

Mon 27/10

8:16 p.m.-11:35 a.m.

1 stop14h 19m

C$ 481

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 5/8

6:00 a.m.-8:43 a.m.

1 stop3h 43m

Milwaukee-Mitchell

Mon 2/2

3:15 p.m.-11:29 p.m.

1 stop7h 14m

C$ 502

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Tue 5/8

6:15 a.m.-10:02 a.m.

1 stop4h 47m

Milwaukee-Mitchell

Mon 2/2

8:29 a.m.-9:30 p.m.

2 stops12h 01m

C$ 517

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Fri 1/8

6:30 a.m.-2:20 p.m.

1 stop8h 50m

Milwaukee-Mitchell

Fri 8/8

7:49 p.m.-12:36 p.m.

1 stop15h 47m

C$ 555

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Fri 15/8

6:45 a.m.-11:06 p.m.

1 stop17h 21m

Milwaukee-Mitchell

Fri 22/8

5:34 p.m.-5:55 p.m.

2 stops23h 21m

C$ 583

MontrealMilwaukee

YUL - MKE

YULMKE

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

6:45 a.m.-8:41 a.m.

2 stops26h 56m

Milwaukee-Mitchell

Mon 27/10

5:00 p.m.-12:15 p.m.

1 stop18h 15m

C$ 604

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Wed 1/10

7:00 a.m.-10:11 a.m.

1 stop4h 11m

Milwaukee-Mitchell

Wed 1/10

5:41 p.m.-11:58 p.m.

1 stop5h 17m

C$ 605

OttawaMilwaukee

YOW - MKE

YOWMKE

Ottawa

Fri 1/8

3:50 p.m.-3:42 p.m.

2 stops24h 52m

Milwaukee-Mitchell

Fri 8/8

4:37 p.m.-5:06 p.m.

1 stop23h 29m

C$ 620

TorontoMilwaukee

YYZ - MKE

YYZMKE

Toronto Pearson Intl

Sun 13/7

6:30 a.m.-8:43 a.m.

1 stop3h 13m

Milwaukee-Mitchell

Sun 14/9

9:37 a.m.-3:22 p.m.

1 stop4h 45m

C$ 632

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/6

Showing 1-10 of 22 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 3 July 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.

How much does it cost to fly round-trip from Region of Ontario to Milwaukee?

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 3 July 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Milwaukee by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta, which is currently one of the cheapest options available, starting at C$ 282. Sun Country Air flights start at C$ 294 while deals on United Airlines start at C$ 300 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

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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 3 airlines flying from Ontario to Milwaukee

Discover the top 3 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 385AverageC$ 591FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 389AverageC$ 714FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 472AverageC$ 662FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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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?

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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