Find flights
When to book
Airlines
FAQs

Cheap flights from Milwaukee to Ontario from C$ 212

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — YYZ
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 452

One-way from

C$ 212

Popular in

May

Cheapest in

March

Average price

C$ 744
28/5-4/6
  • 28/5-4/6
  • 3 total stops
  • 49h 45m total
  • Milwaukee to Ontario
Search Deals
28/5
  • 28/5
  • 1 total stop
  • 10h 25m total
  • Milwaukee to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 29 April 2025.

Wed 28/512:22 p.m.MKE - YYZ
2 stops23h 08mMultiple Airlines
Wed 4/69:50 a.m.YYZ - MKE
1 stop26h 37mMultiple Airlines
Deal found 28/4C$ 452
Mon 2/610:05 a.m.MKE - YYZ
1 stop3h 25mAmerican Airlines
Mon 2/65:29 p.m.YYZ - MKE
1 stop4h 51mAmerican Airlines
Deal found 28/4C$ 500
Thu 15/58:20 a.m.MKE - YYZ
1 stop9h 12mUnited Airlines
Mon 19/511:00 a.m.YYZ - MKE
1 stop5h 10mUnited Airlines
Deal found 28/4C$ 549
Wed 28/512:10 p.m.MKE - YYZ
2 stops7h 57mAir Canada
Sat 31/56:35 p.m.YYZ - MKE
1 stop4h 50mAir Canada
Deal found 27/4C$ 557
Sun 15/67:05 a.m.MKE - YUL
1 stop8h 21mDelta
Wed 25/66:00 a.m.YUL - MKE
1 stop3h 46mDelta
Deal found 28/4C$ 560
Tue 17/612:10 p.m.MKE - YUL
2 stops8h 31mAir Canada
Tue 24/66:15 a.m.YUL - MKE
1 stop11h 25mAir Canada
Deal found 28/4C$ 567
Tue 17/611:00 a.m.MKE - YUL
2 stops7h 45mUnited Airlines
Tue 24/62:20 p.m.YUL - MKE
2 stops9h 05mUnited Airlines
Deal found 28/4C$ 581
Fri 27/65:13 p.m.MKE - YUL
1 stop17h 17mAmerican Airlines
Thu 3/75:29 p.m.YUL - MKE
1 stop20h 07mAmerican Airlines
Deal found 28/4C$ 603
Mon 12/59:15 a.m.MKE - YOW
2 stops31h 00mMultiple Airlines
Thu 15/54:25 p.m.YOW - MKE
1 stop20h 02mMultiple Airlines
Deal found 29/4C$ 607
Tue 10/612:22 p.m.MKE - YUL
3 stops35h 15mMultiple Airlines
Tue 17/66:45 a.m.YUL - MKE
2 stops12h 20mMultiple Airlines
Deal found 28/4C$ 607
Thu 22/512:07 p.m.MKE - YYZ
1 stop10h 07mWestJet
Thu 29/56:30 a.m.YYZ - MKE
1 stop5h 42mWestJet
Deal found 28/4C$ 644
Thu 19/63:41 p.m.MKE - YUL
1 stop6h 37mWestJet
Sun 22/66:20 a.m.YUL - MKE
1 stop16h 10mWestJet
Deal found 28/4C$ 715

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 29 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

Wed 28/5

12:22 p.m.-12:30 p.m.

2 stops23h 08m

Toronto Pearson Intl

Wed 4/6

9:50 a.m.-11:27 a.m.

1 stop26h 37m

C$ 452

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Mon 2/6

10:05 a.m.-2:30 p.m.

1 stop3h 25m

Toronto Pearson Intl

Mon 2/6

5:29 p.m.-9:20 p.m.

1 stop4h 51m

C$ 500

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Thu 15/5

8:20 a.m.-6:32 p.m.

1 stop9h 12m

Toronto Pearson Intl

Mon 19/5

11:00 a.m.-3:10 p.m.

1 stop5h 10m

C$ 549

MilwaukeeToronto

MKE - YYZ

MKEYYZ

Milwaukee-Mitchell

Wed 28/5

12:10 p.m.-9:07 p.m.

2 stops7h 57m

Toronto Pearson Intl

Sat 31/5

6:35 p.m.-10:25 p.m.

1 stop4h 50m

C$ 557

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Sun 15/6

7:05 a.m.-4:26 p.m.

1 stop8h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 25/6

6:00 a.m.-8:46 a.m.

1 stop3h 46m

C$ 560

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 17/6

12:10 p.m.-9:41 p.m.

2 stops8h 31m

Montreal Pierre Elliott Trudeau Intl

Tue 24/6

6:15 a.m.-4:40 p.m.

1 stop11h 25m

C$ 567

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 17/6

11:00 a.m.-7:45 p.m.

2 stops7h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 24/6

2:20 p.m.-10:25 p.m.

2 stops9h 05m

C$ 581

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Fri 27/6

5:13 p.m.-11:30 a.m.

1 stop17h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 3/7

5:29 p.m.-12:36 p.m.

1 stop20h 07m

C$ 603

MilwaukeeOttawa

MKE - YOW

MKEYOW

Milwaukee-Mitchell

Mon 12/5

9:15 a.m.-5:15 p.m.

2 stops31h 00m

Ottawa

Thu 15/5

4:25 p.m.-11:27 a.m.

1 stop20h 02m

C$ 607

MilwaukeeMontreal

MKE - YUL

MKEYUL

Milwaukee-Mitchell

Tue 10/6

12:22 p.m.-12:37 a.m.

3 stops35h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 17/6

6:45 a.m.-6:05 p.m.

2 stops12h 20m

C$ 607

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 31 results
1
2
3
4

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 29 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
9,961 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,823 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 237 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from C$ 244 and C$ 247, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Milwaukee to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Vancouver Intl flights
O'Hare Intl to Calgary flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Minneapolis to Vancouver Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Minneapolis to Calgary flights
Minneapolis to Pearson Intl flights
O'Hare Intl to Toronto Island flights
O'Hare Intl to Ottawa flights
O'Hare Intl to Québec City flights
O'Hare Intl to Halifax flights
O'Hare Intl to Winnipeg flights
O'Hare Intl to Abbotsford flights
Minneapolis to Edmonton flights
Milwaukee to Vancouver Intl flights
Madison to Vancouver Intl flights
O'Hare Intl to Edmonton flights
Milwaukee to Pearson Intl flights
Minneapolis to Québec City flights
Minneapolis to Halifax flights
Minneapolis to Victoria flights
Milwaukee to Pierre Elliott Trudeau Intl flights
Madison to Pearson Intl flights
O'Hare Intl to Victoria flights
O'Hare Intl to Charlottetown flights
Milwaukee to Calgary flights
Madison to Pierre Elliott Trudeau Intl flights
O'Hare Intl to St. John's flights
Minneapolis to St. John's flights
O'Hare Intl to Saskatoon flights
Minneapolis to Saskatoon flights
Madison to Calgary flights
Minneapolis to Winnipeg flights
O'Hare Intl to Regina flights
Appleton to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Kelowna flights
Minneapolis to Ottawa flights
O'Hare Intl to Nanaimo flights
Green Bay to Pierre Elliott Trudeau Intl flights
Green Bay to Pearson Intl flights
Green Bay to Vancouver Intl flights
O'Hare Intl to Hamilton flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Why should you use Cheapflights to find cheap flight tickets from Milwaukee to Ontario?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.