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Cheap flights from Milwaukee to Ontario from C$ 169

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
19 Jun — 26 Jun1
1 adult

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 14 June 2025.

Round-trip from

C$ 415

One-way from

C$ 169

Popular in

June

Cheapest in

March

Average price

C$ 857
1/9-4/9
  • 1/9-4/9
  • 3 total stops
  • 51h 06m total
  • Milwaukee to Ontario
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4/7
  • 4/7
  • 1 total stop
  • 8h 06m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
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 14 June 2025.

Mon 1/96:00 a.m.MKE - YYZ
2 stops31h 05mMultiple Airlines
Thu 4/94:00 p.m.YYZ - MKE
1 stop20h 01mMultiple Airlines
Deal found 12/6C$ 415
Thu 24/76:30 p.m.MKE - YYZ
1 stop16h 54mSun Country Air
Sun 27/77:15 a.m.YYZ - MKE
1 stop11h 08mSun Country Air
Deal found 12/6C$ 493
Thu 26/67:03 p.m.MKE - YOW
1 stop21h 03mMultiple Airlines
Mon 30/64:25 p.m.YOW - MKE
1 stop26h 40mMultiple Airlines
Deal found 12/6C$ 555
Tue 9/96:18 a.m.MKE - YYZ
1 stop10h 31mAmerican Airlines
Sat 13/911:44 a.m.YYZ - MKE
1 stop7h 50mAmerican Airlines
Deal found 14/6C$ 576
Sun 10/85:15 a.m.MKE - YUL
1 stop4h 25mUnited Airlines
Thu 14/86:15 a.m.YUL - MKE
1 stop4h 47mUnited Airlines
Deal found 13/6C$ 608
Wed 9/77:05 a.m.MKE - YUL
1 stop14h 39mAmerican Airlines
Mon 14/77:47 a.m.YUL - MKE
1 stop14h 36mAmerican Airlines
Deal found 14/6C$ 610
Thu 3/79:20 p.m.MKE - YUL
3 stops26h 17mMultiple Airlines
Mon 7/74:20 p.m.YUL - MKE
1 stop26h 45mMultiple Airlines
Deal found 14/6C$ 623
Tue 8/76:32 p.m.MKE - YUL
1 stop3h 36mDelta
Sun 13/76:00 a.m.YUL - MKE
1 stop4h 47mDelta
Deal found 11/6C$ 660
Wed 16/712:10 p.m.MKE - YYZ
1 stop10h 48mUnited Airlines
Sat 19/79:00 a.m.YYZ - MKE
1 stop11h 10mUnited Airlines
Deal found 12/6C$ 716
Thu 3/75:30 p.m.MKE - YYZ
1 stop4h 53mDelta
Sun 6/76:15 a.m.YYZ - MKE
1 stop4h 58mDelta
Deal found 12/6C$ 803
Thu 10/72:51 p.m.MKE - YXU
3 stops37h 23mMultiple Airlines
Wed 16/79:45 p.m.YXU - MKE
3 stops36h 05mMultiple Airlines
Deal found 12/6C$ 808
Tue 17/65:30 p.m.MKE - YUL
1 stop4h 48mWestJet
Thu 19/66:20 a.m.YUL - MKE
1 stop9h 36mWestJet
Deal found 12/6C$ 896

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 629,999 searches. Data last updated 14 June 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

Mon 1/9

6:00 a.m.-2:05 p.m.

2 stops31h 05m

Toronto Pearson Intl

Thu 4/9

4:00 p.m.-11:01 a.m.

1 stop20h 01m

C$ 415

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 24/7

6:30 p.m.-12:24 p.m.

1 stop16h 54m

Toronto Pearson Intl

Sun 27/7

7:15 a.m.-5:23 p.m.

1 stop11h 08m

C$ 493

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Thu 26/6

7:03 p.m.-5:06 p.m.

1 stop21h 03m

Ottawa

Mon 30/6

4:25 p.m.-6:05 p.m.

1 stop26h 40m

C$ 555

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Tue 9/9

6:18 a.m.-5:49 p.m.

1 stop10h 31m

Toronto Pearson Intl

Sat 13/9

11:44 a.m.-6:34 p.m.

1 stop7h 50m

C$ 576

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Sun 10/8

5:15 a.m.-10:40 a.m.

1 stop4h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 14/8

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

1 stop4h 47m

C$ 608

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Wed 9/7

7:05 a.m.-10:44 p.m.

1 stop14h 39m

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

7:47 a.m.-9:23 p.m.

1 stop14h 36m

C$ 610

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 3/7

9:20 p.m.-12:37 a.m.

3 stops26h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

4:20 p.m.-6:05 p.m.

1 stop26h 45m

C$ 623

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 18/9

7:00 a.m.-4:43 p.m.

1 stop8h 43m

Toronto Pearson Intl

Sun 21/9

9:00 a.m.-6:56 p.m.

1 stop10h 56m

C$ 648

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 8/7

6:32 p.m.-11:08 p.m.

1 stop3h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 13/7

6:00 a.m.-9:47 a.m.

1 stop4h 47m

C$ 660

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 3/7

5:30 p.m.-11:23 p.m.

1 stop4h 53m

Toronto Pearson Intl

Sun 6/7

6:15 a.m.-10:13 a.m.

1 stop4h 58m

C$ 803

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 28 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 C$ 167). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of C$ 255). 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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 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 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 14 June 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Milwaukee to Ontario have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

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
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

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
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

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
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

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
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

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
2,872 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.1

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?

    Most people fly from Milwaukee-Mitchell (MKE) if they book a flight from Milwaukee to Ontario. Milwaukee-Mitchell is conveniently located just 10.3 km from Milwaukee’s city centre.

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

    C$ 260 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and WestJet, with prices starting from C$ 264 and C$ 348, respectively.

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

    The most popular route from Milwaukee to Region of Ontario is Milwaukee-Mitchell - Toronto Pearson Intl. You may also consider Milwaukee-Mitchell - Montreal Pierre Elliott Trudeau Intl or Milwaukee-Mitchell - Ottawa.

  • 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 C$ 167). Flying from Milwaukee to Region of Ontario in July is currently the most expensive (average of C$ 255). 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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How does Cheapflights help users find flights from Milwaukee to Ontario?

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Milwaukee to Ontario.

Can Cheapflights find flights from Milwaukee to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Milwaukee shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Milwaukee to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Milwaukee to Ontario 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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