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Ontario

$137+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$361
(Kiwi.com)

One-way from

$137
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$452
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. 12% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
dom. 10/261:55 pmMKE - YYZ
1 stop29h 05mMultiple Airlines
dom. 11/21:30 pmYYZ - MKE
2 stops30h 13mMultiple Airlines
Deal found 9/11$361
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/711:32 amMKE - YYZ
1 stop31h 23mMultiple Airlines
dom. 11/97:55 pmYYZ - MKE
1 stop15h 38mMultiple Airlines
Deal found 9/9$376
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/25:05 amMKE - YYZ
1 stop8h 26mAmerican Airlines
dom. 10/511:44 amYYZ - MKE
1 stop10h 00mAmerican Airlines
Deal found 9/9$392
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1411:32 amMKE - YYZ
2 stops18h 26mMultiple Airlines
vie. 12/127:15 amYYZ - MKE
1 stop12h 38mMultiple Airlines
Deal found 9/9$394
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/161:55 pmMKE - YYZ
1 stop7h 45mMultiple Airlines
sáb. 10/182:00 pmYYZ - MKE
2 stops29h 43mMultiple Airlines
Deal found 9/9$397
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:25 amMKE - YYZ
1 stop11h 15mAmerican Airlines
mar. 10/1411:44 amYYZ - MKE
1 stop9h 41mAmerican Airlines
Deal found 9/9$398
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:19 amMKE - YYZ
2 stops9h 14mAmerican Airlines
mar. 10/76:30 amYYZ - MKE
1 stop10h 59mAmerican Airlines
Deal found 9/9$402
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/207:38 pmMKE - YYZ
2 stops17h 27mMultiple Airlines
mié. 10/229:35 amYYZ - MKE
2 stops28h 07mMultiple Airlines
Deal found 9/9$407
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/206:02 amMKE - YYZ
1 stop9h 32mAmerican Airlines
mié. 10/2211:00 amYYZ - MKE
1 stop13h 30mAmerican Airlines
Deal found 9/9$420
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/182:47 pmMKE - YYZ
2 stops27h 05mMultiple Airlines
mié. 10/295:15 pmYYZ - MKE
1 stop20h 27mMultiple Airlines
Deal found 9/9$423
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/151:56 pmMKE - YYZ
1 stop9h 29mMultiple Airlines
dom. 1/42:20 pmYYZ - MKE
2 stops21h 09mMultiple Airlines
Deal found 9/9$426
This Delta deal was found by Cheapflights users on 9/9. 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.
mar. 9/304:00 pmMKE - YUL
1 stop6h 18mDelta
jue. 10/26:00 amYUL - MKE
1 stop3h 42mDelta
Deal found 9/9$447

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 septiembre 11, 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

dom. 10/26

1:55 pm-8:00 pm

1 stop29h 05m

Toronto Pearson Intl

dom. 11/2

1:30 pm-6:43 pm

2 stops30h 13m

$361

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

vie. 11/7

11:32 am-7:55 pm

1 stop31h 23m

Toronto Pearson Intl

dom. 11/9

7:55 pm-10:33 am

1 stop15h 38m

$376

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

jue. 10/16

2:18 pm-11:29 pm

1 stop8h 11m

Toronto Pearson Intl

sáb. 10/18

11:44 am-9:24 pm

1 stop10h 40m

$392

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

jue. 10/2

6:18 am-5:43 pm

1 stop10h 25m

Toronto Pearson Intl

vie. 11/7

4:44 pm-11:05 pm

1 stop7h 21m

$392

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

jue. 11/20

12:05 pm-9:29 pm

1 stop8h 24m

Toronto Pearson Intl

dom. 11/23

11:32 am-5:43 pm

1 stop7h 11m

$392

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

vie. 11/14

5:00 am-5:40 pm

1 stop11h 40m

Toronto Pearson Intl

vie. 12/12

6:00 am-5:59 pm

1 stop12h 59m

$392

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

sáb. 10/4

8:00 am-5:43 pm

1 stop8h 43m

Toronto Pearson Intl

mar. 10/7

1:15 pm-8:25 pm

1 stop8h 10m

$392

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

sáb. 10/18

5:25 am-5:40 pm

1 stop11h 15m

Toronto Pearson Intl

mié. 10/29

1:15 pm-8:25 pm

1 stop8h 10m

$398

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

mar. 10/7

5:25 am-5:40 pm

1 stop11h 15m

Toronto Pearson Intl

mar. 10/14

11:44 am-8:25 pm

1 stop9h 41m

$398

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

sáb. 10/18

2:47 pm-6:52 pm

2 stops27h 05m

Toronto Pearson Intl

mié. 10/29

5:15 pm-12:42 pm

1 stop20h 27m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 54 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 August is currently the most expensive (average of $348). 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.

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 septiembre 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Milwaukee to Ontario have to say. 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.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
3,091 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

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 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.

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

    A quick flight from Milwaukee to Region of Ontario can take about 3h 39m. American Airlines provides one of the quickest options available for as low as $447. Airlines will cover a distance of 720 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $175. Delta flights start at $194 while deals on United Airlines start at $268 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 August is currently the most expensive (average of $348). 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 3 airlines flying from Milwaukee to Ontario

Discover the top 3 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$344Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$345Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$359Average$431FlexibilityNo cancel feeOn-timeN/A

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