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$126+ Cheap flights from Milwaukee (MKE) to Ontario

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Milwaukee to Ontario

Keep the following information in mind while searching for Milwaukee to Ontario flight deals. Data was last updated junio 12, 2025.

Round-trip from

$286
(Kiwi.com)

One-way from

$126
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$630
From Milwaukee-Mitchell to Ontario
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One-way flight from Milwaukee-Mitchell to Ontario
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Highest demand for flights based on searches. 18% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Milwaukee to Ontario

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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/412:02 pmMKE - YYZ
1 stop8h 06mMultiple Airlines
dom. 7/64:00 pmYYZ - MKE
1 stop20h 04mMultiple Airlines
Deal found 6/11$286
This Sun Country Air deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/246:30 pmMKE - YYZ
1 stop16h 54mSun Country Air
dom. 7/277:15 amYYZ - MKE
1 stop11h 08mSun Country Air
Deal found 6/12$362
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/96:18 amMKE - YYZ
1 stop7h 13mAmerican Airlines
sáb. 9/1311:44 amYYZ - MKE
1 stop7h 50mAmerican Airlines
Deal found 6/11$418
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/115:43 pmMKE - YUL
1 stop16h 52mAmerican Airlines
sáb. 10/1812:30 pmYUL - MKE
1 stop11h 33mAmerican Airlines
Deal found 6/10$422
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/164:37 pmMKE - YUL
1 stop20h 43mMultiple Airlines
lun. 7/218:15 amYUL - MKE
3 stops32h 27mMultiple Airlines
Deal found 6/10$430
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1010:45 amMKE - YUL
1 stop5h 41mUnited Airlines
vie. 8/156:15 amYUL - MKE
1 stop4h 47mUnited Airlines
Deal found 6/10$447
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/205:30 pmMKE - YUL
1 stop4h 45mDelta
mié. 7/236:00 amYUL - MKE
1 stop3h 43mDelta
Deal found 6/9$448
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/1512:10 pmMKE - YOW
2 stops11h 12mMultiple Airlines
sáb. 8/307:00 amYOW - MKE
2 stops13h 56mMultiple Airlines
Deal found 6/10$459
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/187:00 amMKE - YYZ
1 stop8h 43mUnited Airlines
dom. 9/2110:00 amYYZ - MKE
1 stop9h 56mUnited Airlines
Deal found 6/10$476
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/37:05 amMKE - YYZ
1 stop6h 36mDelta
dom. 7/66:15 amYYZ - MKE
1 stop4h 58mDelta
Deal found 6/11$590
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/102:51 pmMKE - YXU
3 stops37h 23mMultiple Airlines
mié. 7/169:45 pmYXU - MKE
3 stops36h 05mMultiple Airlines
Deal found 6/12$594
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/186:32 pmMKE - YUL
1 stop3h 36mWestJet
dom. 7/206:20 amYUL - MKE
1 stop6h 07mWestJet
Deal found 6/10$677

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 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Milwaukee to Ontario that are best for you.

Fly from

Milwaukee

Fly to

Ontario

Route

Depart

Return

Price

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

vie. 7/4

12:02 pm-9:08 pm

1 stop8h 06m

Toronto Pearson Intl

dom. 7/6

4:00 pm-11:04 am

1 stop20h 04m

$286

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

jue. 7/24

6:30 pm-12:24 pm

1 stop16h 54m

Toronto Pearson Intl

dom. 7/27

7:15 am-5:23 pm

1 stop11h 08m

$362

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

mar. 9/9

6:18 am-2:31 pm

1 stop7h 13m

Toronto Pearson Intl

sáb. 9/13

11:44 am-6:34 pm

1 stop7h 50m

$418

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

sáb. 10/11

5:43 pm-11:35 am

1 stop16h 52m

Montreal Pierre Elliott Trudeau Intl

sáb. 10/18

12:30 pm-11:03 pm

1 stop11h 33m

$422

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

mié. 7/16

4:37 pm-2:20 pm

1 stop20h 43m

Montreal Pierre Elliott Trudeau Intl

lun. 7/21

8:15 am-3:42 pm

3 stops32h 27m

$430

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

dom. 8/10

10:45 am-5:26 pm

1 stop5h 41m

Montreal Pierre Elliott Trudeau Intl

vie. 8/15

6:15 am-10:02 am

1 stop4h 47m

$447

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

dom. 7/20

5:30 pm-11:15 pm

1 stop4h 45m

Montreal Pierre Elliott Trudeau Intl

mié. 7/23

6:00 am-8:43 am

1 stop3h 43m

$448

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

vie. 8/15

12:10 pm-12:22 am

2 stops11h 12m

Ottawa

sáb. 8/30

7:00 am-7:56 pm

2 stops13h 56m

$459

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

lun. 9/1

6:00 am-3:46 pm

1 stop8h 46m

Toronto Pearson Intl

dom. 9/7

7:25 am-4:56 pm

2 stops10h 31m

$486

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

jue. 7/3

7:05 am-2:41 pm

1 stop6h 36m

Toronto Pearson Intl

dom. 7/6

6:15 am-10:13 am

1 stop4h 58m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 27 results
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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 $243). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of $353). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Milwaukee to Ontario by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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?

    If you book a flight to Ontario from Milwaukee, you will be flying from Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $191. American Airlines flights start at $262 while deals on Delta start at $267 one-way.

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

    While some choose either Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau Intl or Milwaukee-Mitchell - Ottawa, Milwaukee-Mitchell - Toronto Pearson Intl is the most popular route from Milwaukee to Region of Ontario.

  • 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 $243). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of $353). 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 Milwaukee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Milwaukee to Ontario

Discover the top 5 airlines that operate flights from Milwaukee to Ontario. 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$390FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$345Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$345Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$359Average$431FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$395Average$466FlexibilityNo cancel feeOn-time60%

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