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Cheap flights from Montreal to Ontario from C$ 119

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — YYZ
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Montreal to Ontario

Keep the following information in mind while searching for Montreal to Ontario flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 179

One-way from

C$ 119

Popular in

August

Cheapest in

January

Average price

C$ 355

Good round-trip deal

C$ 332 or less

Good one-way deal

C$ 251 or less
WestJet
  • WestJet
  • 14/11-16/11
  • Nonstop
  • 3h 10m total
  • Montreal to Ontario
Search Deals
WestJet
  • WestJet
  • 5/10
  • Nonstop
  • 1h 25m total
  • Montreal to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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

Find flight deals from Montreal to Ontario

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 11 September 2025.

Fri 14/116:45 a.m.YUL - YYZ
Nonstop1h 42mWestJet
Sun 16/1111:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 10/9C$ 179
Sat 25/106:45 a.m.YUL - YYZ
Nonstop1h 25mWestJet
Sun 26/1011:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 10/9C$ 180
Mon 3/116:45 a.m.YUL - YYZ
Nonstop1h 42mWestJet
Sat 15/1111:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 8/9C$ 182
Wed 1/106:45 a.m.YUL - YYZ
Nonstop1h 25mWestJet
Wed 8/1011:05 p.m.YYZ - YUL
Nonstop1h 22mWestJet
Deal found 9/9C$ 183
Sun 2/115:45 a.m.YUL - YYZ
Nonstop1h 42mWestJet
Wed 12/1111:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 8/9C$ 184
Mon 3/116:45 a.m.YUL - YYZ
Nonstop1h 42mWestJet
Wed 12/1111:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 8/9C$ 186
Fri 7/116:45 a.m.YUL - YYZ
Nonstop1h 42mWestJet
Wed 12/1111:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 8/9C$ 187
Thu 4/126:45 a.m.YUL - YYZ
Nonstop1h 42mWestJet
Tue 9/1211:15 p.m.YYZ - YUL
Nonstop1h 28mWestJet
Deal found 10/9C$ 188
Fri 24/106:45 a.m.YUL - YYZ
Nonstop1h 25mWestJet
Sat 25/1011:05 p.m.YYZ - YUL
Nonstop1h 22mWestJet
Deal found 9/9C$ 190
Fri 10/106:45 a.m.YUL - YYZ
Nonstop1h 25mWestJet
Wed 15/1011:05 p.m.YYZ - YUL
Nonstop1h 22mWestJet
Deal found 8/9C$ 191
Tue 14/106:45 a.m.YUL - YYZ
Nonstop1h 25mWestJet
Fri 17/1011:05 p.m.YYZ - YUL
Nonstop1h 22mWestJet
Deal found 8/9C$ 193
Mon 20/106:45 a.m.YUL - YYZ
Nonstop1h 25mMultiple Airlines
Thu 23/107:40 a.m.YYZ - YUL
Nonstop1h 22mMultiple Airlines
Deal found 9/9C$ 194

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 11 September 2025.
Use the filters below to find and compare flights from Montreal to Ontario that are best for you.

Fly from

Montreal

Fly to

Ontario

Route

Depart

Return

Price

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:45 a.m.-8:10 a.m.

Nonstop1h 25m

Toronto Pearson Intl

Sat 27/9

11:05 p.m.-12:27 a.m.

Nonstop1h 22m

C$ 237

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

6:45 a.m.-8:10 a.m.

Nonstop1h 25m

Toronto Pearson Intl

Sat 4/10

11:05 p.m.-12:27 a.m.

Nonstop1h 22m

C$ 245

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:45 a.m.-8:10 a.m.

Nonstop1h 25m

Toronto Pearson Intl

Sun 28/9

11:05 p.m.-12:27 a.m.

Nonstop1h 22m

C$ 247

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:45 a.m.-12:22 a.m.

1 stop17h 37m

Ottawa

Tue 14/10

5:55 a.m.-1:45 p.m.

1 stop7h 50m

C$ 284

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

10:35 a.m.-12:07 p.m.

Nonstop1h 32m

Toronto Pearson Intl

Thu 13/11

11:15 p.m.-12:43 a.m.

Nonstop1h 28m

C$ 288

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

10:35 a.m.-12:07 p.m.

Nonstop1h 32m

Toronto Pearson Intl

Sat 15/11

11:15 p.m.-12:43 a.m.

Nonstop1h 28m

C$ 288

MontrealOttawa

YUL - YOW

YULYOW

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:45 a.m.-12:22 a.m.

1 stop17h 37m

Ottawa

Sun 12/10

5:55 a.m.-12:27 a.m.

1 stop18h 32m

C$ 292

MontrealToronto

YUL - YTZ

YULYTZ

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

11:25 a.m.-12:50 p.m.

Nonstop1h 25m

Toronto Island

Fri 12/12

7:55 a.m.-9:10 a.m.

Nonstop1h 15m

C$ 309

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

6:45 a.m.-8:27 a.m.

Nonstop1h 42m

Toronto Pearson Intl

Sun 14/12

6:30 p.m.-7:05 a.m.

1 stop12h 35m

C$ 323

MontrealToronto

YUL - YYZ

YULYYZ

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

7:00 a.m.-6:52 p.m.

1 stop11h 52m

Toronto Pearson Intl

Mon 27/10

11:15 p.m.-12:43 a.m.

Nonstop1h 28m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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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

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

Currently, January is the cheapest month in which you can book a flight from Montreal to Region of Ontario (average of C$ 168). Flying from Montreal 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.

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 11 September 2025.

When flying from Montreal to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11 September 2025.

The most flights from YMQ to CAON are scheduled on a Thursday (85 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (56 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 11 September 2025.
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
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Crew

8.6

Boarding

8.1

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 1h 25m. Airlines will cover a distance of 505 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$ 119. Porter Airlines flights start at C$ 187 while deals on Air Canada start at C$ 252 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: Hainan Airlines (100%), Royal Jordanian (96%), China Eastern (94%).

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

    On average you can expect to pay C$ 1,317 for a flight from Montreal to Region of Ontario. The cheapest flight overall is C$ 154 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Toronto Pearson Intl) is currently priced at C$ 201.

  • 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, January is the cheapest month in which you can book a flight from Montreal to Region of Ontario (average of C$ 168). Flying from Montreal 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

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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 109AverageC$ 217FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 205AverageC$ 569FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 277AverageC$ 438FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 277AverageC$ 486FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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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