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Cheap flights from Milwaukee to Ontario from C$ 215

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
5 Aug — 12 Aug1
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 31 July 2025.

Round-trip from

C$ 520

One-way from

C$ 215

Popular in

June

Cheapest in

March

Average price

C$ 846
4/9-7/9
  • 4/9-7/9
  • 3 total stops
  • 56h 33m total
  • Milwaukee to Ontario
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20/10
  • 20/10
  • 2 total stops
  • 25h 37m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in July 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 31 July 2025.

Thu 4/912:53 p.m.MKE - YYZ
1 stop23h 59mMultiple Airlines
Sun 7/96:30 a.m.YYZ - MKE
2 stops32h 34mMultiple Airlines
Deal found 30/7C$ 520
Tue 4/116:15 a.m.MKE - YUL
1 stop6h 31mAmerican Airlines
Sat 8/112:29 p.m.YUL - MKE
1 stop10h 30mAmerican Airlines
Deal found 29/7C$ 560
Sat 13/98:00 a.m.MKE - YYZ
1 stop8h 43mAmerican Airlines
Sat 20/911:44 a.m.YYZ - MKE
1 stop9h 16mAmerican Airlines
Deal found 30/7C$ 599
Thu 18/912:53 p.m.MKE - YUL
3 stops23h 52mMultiple Airlines
Sun 21/94:45 p.m.YUL - MKE
3 stops22h 19mMultiple Airlines
Deal found 29/7C$ 637
Sun 5/107:15 a.m.MKE - YUL
1 stop3h 45mDelta
Thu 9/106:00 a.m.YUL - MKE
1 stop7h 25mDelta
Deal found 29/7C$ 681
Sat 11/1010:50 a.m.MKE - YUL
1 stop9h 39mUnited Airlines
Sat 18/1011:23 a.m.YUL - MKE
2 stops11h 33mUnited Airlines
Deal found 30/7C$ 710
Thu 18/97:15 a.m.MKE - YYZ
1 stop3h 05mDelta
Sun 21/96:13 p.m.YYZ - MKE
1 stop4h 27mDelta
Deal found 30/7C$ 726
Sat 23/86:00 a.m.MKE - YYZ
2 stops14h 40mUnited Airlines
Sat 6/98:20 a.m.YYZ - MKE
2 stops13h 26mUnited Airlines
Deal found 31/7C$ 756
Fri 10/109:14 a.m.MKE - YUL
1 stop13h 07mWestJet
Fri 17/106:45 a.m.YUL - MKE
2 stops6h 40mWestJet
Deal found 31/7C$ 817
Sat 13/912:13 p.m.MKE - YOW
2 stops11h 09mDelta
Sat 20/95:55 a.m.YOW - MKE
2 stops7h 30mDelta
Deal found 30/7C$ 949
Sat 13/98:30 a.m.MKE - YOW
1 stop7h 36mUnited Airlines
Sat 20/95:25 p.m.YOW - MKE
1 stop17h 48mUnited Airlines
Deal found 30/7C$ 978
Sat 13/97:15 a.m.MKE - YOW
2 stops16h 07mMultiple Airlines
Sat 20/97:00 a.m.YOW - MKE
3 stops29h 58mMultiple Airlines
Deal found 30/7C$ 1,001

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 31 July 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

Thu 4/9

12:53 p.m.-1:52 p.m.

1 stop23h 59m

Toronto Pearson Intl

Sun 7/9

6:30 a.m.-2:04 p.m.

2 stops32h 34m

C$ 520

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 4/11

6:15 a.m.-10:39 p.m.

1 stop15h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

2:29 p.m.-11:59 p.m.

1 stop10h 30m

C$ 560

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 13/9

8:00 a.m.-5:43 p.m.

1 stop8h 43m

Toronto Pearson Intl

Sat 20/9

11:44 a.m.-8:00 p.m.

1 stop9h 16m

C$ 599

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Thu 18/9

12:53 p.m.-1:45 p.m.

3 stops23h 52m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

4:45 p.m.-2:04 p.m.

3 stops22h 19m

C$ 637

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Sun 5/10

7:15 a.m.-12:00 p.m.

1 stop3h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:00 a.m.-12:25 p.m.

1 stop7h 25m

C$ 681

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Sat 11/10

10:50 a.m.-9:29 p.m.

1 stop9h 39m

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

11:23 a.m.-9:56 p.m.

2 stops11h 33m

C$ 710

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 18/9

7:15 a.m.-11:20 a.m.

1 stop3h 05m

Toronto Pearson Intl

Sun 21/9

6:13 p.m.-9:40 p.m.

1 stop4h 27m

C$ 726

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Sat 23/8

6:00 a.m.-9:40 p.m.

2 stops14h 40m

Toronto Pearson Intl

Sat 6/9

8:20 a.m.-8:46 p.m.

2 stops13h 26m

C$ 756

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Fri 10/10

9:14 a.m.-11:21 p.m.

1 stop13h 07m

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

6:45 a.m.-12:25 p.m.

2 stops6h 40m

C$ 817

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Sat 13/9

12:13 p.m.-12:22 a.m.

2 stops11h 09m

Ottawa

Sat 20/9

5:55 a.m.-12:25 p.m.

2 stops7h 30m

C$ 949

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 25 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.

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

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 31 July 2025.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Milwaukee to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,902 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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$ 281 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from C$ 299 and C$ 305, 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?

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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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