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Cheap flights from Milwaukee to Ontario from C$ 158

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
22 Apr — 29 Apr1
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 17 April 2025.

Round-trip from

C$ 478

One-way from

C$ 158

Popular in

May

Cheapest in

March

Average price

C$ 728
Air Canada
  • Air Canada
  • 13/5-14/5
  • 2 total stops
  • 20h 27m total
  • Milwaukee to Ontario
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 27h 47m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Tue 13/57:39 p.m.MKE - YYZ
1 stop15h 05mMultiple Airlines
Wed 14/52:45 p.m.YYZ - MKE
1 stop5h 22mMultiple Airlines
Deal found 16/4C$ 478
Thu 3/710:45 a.m.MKE - YYZ
1 stop6h 50mUnited Airlines
Sun 6/75:30 p.m.YYZ - MKE
1 stop6h 59mUnited Airlines
Deal found 17/4C$ 510
Thu 15/56:30 a.m.MKE - YYZ
1 stop5h 00mAmerican Airlines
Thu 22/56:30 a.m.YYZ - MKE
1 stop3h 52mAmerican Airlines
Deal found 16/4C$ 512
Fri 2/54:56 p.m.MKE - YUL
1 stop5h 32mDelta
Mon 5/56:10 a.m.YUL - MKE
1 stop5h 20mDelta
Deal found 17/4C$ 521
Mon 5/56:50 a.m.MKE - YUL
2 stops9h 25mAir Canada
Fri 9/59:45 a.m.YUL - MKE
1 stop13h 30mAir Canada
Deal found 17/4C$ 534
Wed 7/55:47 p.m.MKE - YUL
2 stops13h 01mUnited Airlines
Fri 9/59:45 a.m.YUL - MKE
1 stop13h 30mUnited Airlines
Deal found 16/4C$ 535
Fri 27/66:38 a.m.MKE - YYZ
1 stop4h 17mDelta
Sat 28/63:31 p.m.YYZ - MKE
1 stop7h 08mDelta
Deal found 16/4C$ 549
Mon 16/67:14 p.m.MKE - YUL
3 stops26h 01mMultiple Airlines
Fri 20/66:45 a.m.YUL - MKE
2 stops12h 24mMultiple Airlines
Deal found 16/4C$ 580
Wed 9/76:11 a.m.MKE - YUL
2 stops9h 34mAmerican Airlines
Mon 14/72:35 p.m.YUL - MKE
1 stop10h 24mAmerican Airlines
Deal found 17/4C$ 606
Mon 16/64:59 p.m.MKE - YUL
1 stop5h 14mWestJet
Fri 20/66:45 a.m.YUL - MKE
2 stops27h 01mWestJet
Deal found 16/4C$ 681
Fri 27/67:05 a.m.MKE - YYZ
1 stop9h 10mWestJet
Fri 27/67:24 p.m.YYZ - MKE
1 stop22h 11mWestJet
Deal found 16/4C$ 860
Sat 31/510:35 a.m.MKE - YXU
2 stops21h 43mUnited Airlines
Sat 7/66:15 a.m.YXU - MKE
2 stops18h 44mUnited Airlines
Deal found 16/4C$ 908

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 17 April 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

Tue 13/5

7:39 p.m.-11:44 a.m.

1 stop15h 05m

Toronto Pearson Intl

Wed 14/5

2:45 p.m.-7:07 p.m.

1 stop5h 22m

C$ 478

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 3/7

10:45 a.m.-6:35 p.m.

1 stop6h 50m

Toronto Pearson Intl

Sun 6/7

5:30 p.m.-11:29 p.m.

1 stop6h 59m

C$ 510

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 15/5

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

1 stop5h 00m

Toronto Pearson Intl

Thu 22/5

6:30 a.m.-9:22 a.m.

1 stop3h 52m

C$ 512

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Fri 2/5

4:56 p.m.-11:28 p.m.

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

6:10 a.m.-10:30 a.m.

1 stop5h 20m

C$ 521

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 5/5

6:50 a.m.-5:15 p.m.

2 stops9h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

9:45 a.m.-10:15 p.m.

1 stop13h 30m

C$ 534

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Wed 7/5

5:47 p.m.-7:48 a.m.

2 stops13h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

9:45 a.m.-10:15 p.m.

1 stop13h 30m

C$ 535

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Fri 27/6

6:38 a.m.-11:55 a.m.

1 stop4h 17m

Toronto Pearson Intl

Sat 28/6

3:31 p.m.-9:39 p.m.

1 stop7h 08m

C$ 549

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 16/6

7:14 p.m.-10:15 p.m.

3 stops26h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 20/6

6:45 a.m.-6:09 p.m.

2 stops12h 24m

C$ 580

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Wed 9/7

6:11 a.m.-4:45 p.m.

2 stops9h 34m

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

2:35 p.m.-11:59 p.m.

1 stop10h 24m

C$ 606

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Mon 16/6

4:59 p.m.-11:13 p.m.

1 stop5h 14m

Montreal Pierre Elliott Trudeau Intl

Fri 20/6

6:45 a.m.-8:46 a.m.

2 stops27h 01m

C$ 681

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 23 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$ 258). 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 17 April 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
9,882 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,809 reviews
Alaska Airlines
8.0
Very good
9,882 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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$ 215 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 American Airlines and Delta, with prices starting from C$ 218 and C$ 240, 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$ 258). 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Milwaukee to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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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