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Cheap flights from Montreal to Ontario from C$ 142

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — YYZ
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Ontario
Explore the most affordable flight options available from Montreal to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Tue 19/56:45 a.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Wed 20/54:55 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 26/4C$ 261
Thu 21/57:20 p.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Tue 2/611:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 25/4C$ 295
Thu 21/57:20 p.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Sun 24/511:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 25/4C$ 296
Sat 30/56:45 a.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Sun 31/511:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 25/4C$ 298
Thu 28/56:45 a.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Sun 31/511:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 26/4C$ 299
Tue 2/67:20 p.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Wed 3/64:55 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 26/4C$ 300
Thu 28/57:20 p.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Fri 29/54:55 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 26/4C$ 302
Tue 19/56:45 a.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Sat 23/511:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 26/4C$ 303
Thu 28/56:45 a.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Mon 1/611:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 28/4C$ 305
Sun 17/57:50 p.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Fri 22/511:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 27/4C$ 307
Fri 15/57:20 p.m.
YUL
-
YYZ
Nonstop1h 30m
WestJet
Fri 29/511:00 p.m.
YYZ
-
YUL
Nonstop1h 25m
WestJet
Deal found 24/4C$ 309
Mon 11/57:15 p.m.
YUL
-
YTZ
1 stop12h 45m
Porter Airlines
Tue 12/510:55 a.m.
YTZ
-
YUL
Nonstop1h 15m
Porter Airlines
Deal found 27/4C$ 313

Find flight deals from Montreal to Ontario

Keep the following information in mind while searching for Montreal to Ontario flight deals. Data was last updated 29 April 2026.

Round-trip from

C$ 261

One-way from

C$ 142

Popular in

December

Cheapest in

March

Average price

C$ 354

Good round-trip deal

C$ 272 or less

Good one-way deal

C$ 261 or less
WestJet
  • WestJet
  • 19/5-20/5
  • Nonstop
  • 2h 55m total
  • Montreal to Ontario
Search Deals
WestJet
  • WestJet
  • 11/6
  • Nonstop
  • 1h 30m total
  • Montreal to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Ontario.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 2026.
Use the filters below to find and compare flights from Montreal to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

7:10 p.m.-12:30 p.m.

1 stop17h 20m

Toronto Pearson Intl

Thu 11/6

4:00 p.m.-5:20 p.m.

Nonstop1h 20m

C$ 332

MontrealToronto

YUL - YTZ

YULYTZ

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

Toronto Island

Sat 20/6

4:55 p.m.-6:10 p.m.

Nonstop1h 15m

C$ 415

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

8:30 p.m.-12:55 p.m.

1 stop16h 25m

Toronto Pearson Intl

Sun 14/6

3:40 p.m.-5:02 p.m.

Nonstop1h 22m

C$ 436

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

5:45 p.m.-12:20 a.m.

1 stop6h 35m

Ottawa

Mon 15/6

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

1 stop6h 00m

C$ 459

MontrealToronto

YUL - YTZ

YULYTZ

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

12:50 p.m.-2:15 p.m.

Nonstop1h 25m

Toronto Island

Wed 24/6

4:55 p.m.-8:54 a.m.

2 stops15h 59m

C$ 470

MontrealToronto

YUL - YTZ

YULYTZ

Montreal Pierre Elliott Trudeau Intl

Thu 30/7

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

Toronto Island

Thu 30/7

4:55 p.m.-6:10 p.m.

Nonstop1h 15m

C$ 485

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

4:40 p.m.-5:35 p.m.

Nonstop0h 55m

Ottawa

Sun 31/5

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

1 stop6h 00m

C$ 499

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

5:45 p.m.-12:20 a.m.

1 stop6h 35m

Ottawa

Tue 16/6

2:15 p.m.-3:10 p.m.

Nonstop0h 55m

C$ 500

MontrealSault Ste Marie

YUL - YAM

YULYAM

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

10:35 a.m.-3:20 p.m.

1 stop4h 45m

Sault Ste Marie

Fri 5/6

4:00 p.m.-8:10 p.m.

1 stop4h 10m

C$ 508

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

8:30 p.m.-5:34 a.m.

1 stop9h 04m

Toronto Pearson Intl

Thu 28/5

8:40 a.m.-10:02 a.m.

Nonstop1h 22m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Montreal to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Montreal 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 Montreal to Ontario

How far ahead should I book a flight from Montreal to Region of Ontario?

The best time to book flights from Montreal to Region of Ontario is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Montreal to Region of Ontario?

Currently, December is the cheapest month in which you can book a flight from Montreal to Region of Ontario (average of C$ 122). Flying from Montreal to Region of Ontario in March is currently the most expensive (average of C$ 1,311). 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.

What is the cheapest time of day to fly from YMQ to ON?

Find hourly flight availability from Montreal to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2026.

It’s typically best to fly out from Montreal to Region of Ontario in the morning. Doing so could potentially save you 33% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Montreal to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Ontario. Price data was last updated on 25 April 2026.

Travelers seeking maximum savings on their Montreal to Region of Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Montreal to Region of Ontario

Explore weekly flight availability from Montreal to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2026.

The most flights from YMQ to CAON are scheduled on a Wednesday (77 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Montreal 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 29 April 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andWestJet from Montreal 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.
Porter Airlines
8.0
Very good
435 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.8
Good
542 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,328 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,979 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Overall

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Montreal to Region of Ontario will take you 6h 14m. Airlines will cover a distance of 818 km. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 77. Air Canada flights start at C$ 134 while deals on Air Transat start at C$ 156 one-way.

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

    Most travellers choose Montreal Pierre Elliott Trudeau Intl - Toronto Pearson Intl, Montreal Pierre Elliott Trudeau Intl - Toronto Island or Montreal Pierre Elliott Trudeau Intl - Hamilton when deciding on the best route from Montreal to Region of Ontario.

  • What are the most reliable airlines from Montreal to Region of Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montreal to Region of Ontario on time: China Airlines (92%), China Eastern (85%), Royal Jordanian (82%).

  • What are the cheapest flights from Montreal to Region of Ontario?

    On average you can expect to pay C$ 1,518 for a flight from Montreal to Region of Ontario. The cheapest flight overall is C$ 138 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Toronto Pearson Intl) is currently priced at C$ 317.

  • Can I find deals for flights from Montreal to Ontario that include hotel bookings?

    Yes. In addition to deals on Montreal to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Ontario.

  • Can I find deals for business class flights from Montreal to Ontario?

    Yes. Cheapflights offers flight deals from Montreal 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 Montreal to Region of Ontario?

    Currently, December is the cheapest month in which you can book a flight from Montreal to Region of Ontario (average of C$ 122). Flying from Montreal to Region of Ontario in March is currently the most expensive (average of C$ 1,311). 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 Montreal to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montreal to Ontario

Discover the top 4 airlines that operate flights from Montreal 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 629,999 searches. Data last updated 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 144AverageC$ 232FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 203AverageC$ 560FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 232AverageC$ 495FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 323AverageC$ 502FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Montreal to Ontario?

Cheapflights helps you search for flights from Montreal to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Montreal to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Ontario from Montreal 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 Montreal to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Montreal to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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