Q: How much does it cost to fly round-trip from Montreal to Ontario?

Airfare is below average for this route at the moment. Montreal to Ontario flights typically cost between C$ 763 and C$ 823 in September. The cheapest round-trip price found within the last 3 days was C$ 578 on American Airlines (27 Sep-30 Sep).

Question 1

How much does it cost to fly round-trip from Montreal to Ontario?

Accepted Answer

Airfare is below average for this route at the moment.Montreal to Ontario flights typically cost between C$ 763 and C$ 823 in September.
The cheapest round-trip price found within the last 3 days was C$ 578 on American Airlines (27 Sep-30 Sep).

Question 2

What’s the cheapest layover airport for flights from Montreal to Ontario?

Accepted Answer

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 317.

Question 3

What’s the fastest layover option from Montreal to Ontario?

Accepted Answer

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 8h 32m.

Question 4

What’s the top layover airport for flights from Montreal to Ontario?

Accepted Answer

Denver (DEN) – chosen by Cheapflights users on 50% of one-stop itineraries from Montreal to Ontario on Cheapflights.

Question 5

Which airport typically offers the quickest layover for flights from Montreal to Ontario?

Accepted Answer

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 11m.

Question 6

How long is the flight from Montreal to Ontario?

Accepted Answer

A quick flight from Montreal to Ontario can take about 13h 26m. American Airlines provides one of the quickest options available for as low as C$ 578. Airlines will cover a distance of 3899 km.

Question 7

What are the cheapest airlines flying from Montreal to Ontario round-trip?

Accepted Answer

Cheapflights users have booked flights from Montreal to Ontario round-trip from C$ 396. Other airlines that can offer you cheap pricing are Air Canada, from C$ 400, and Delta, from C$ 426. These flights start at 46% lower than the current average price 3 months from now.

Question 8

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

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from Montreal to Ontario (average of C$ 290). Flying from Montreal to Ontario in December is currently the most expensive (average of C$ 461). 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.

Question 9

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

Accepted Answer

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

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Question 12

What are the most popular airlines that fly from Montreal to Ontario?

Accepted Answer

Consider Air Canada, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Montreal to Ontario.

Question 13

What is the cheapest day to fly round-trip from Montreal to Ontario?

Accepted Answer

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Question 14

How far in advance should I book a flight from Montreal to Ontario?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 90% on flights from Montreal to Ontario compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 453. For sooner than that we have options available in the next 3 days from C$ 1,068.

Question 15

What is the cheapest month to fly from Montreal to Ontario?

Accepted Answer

Flights from Montreal to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Montreal to Ontario in May, with the cheapest ticket starting at C$ 269.

Question 16

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Montreal to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

Question 17

What airport do you fly into for flights to Ontario from Montreal?

Accepted Answer

Ontario (ONT) is the airport you will fly into if you book a flight from Montreal to Ontario. You should not have trouble finding flights to Ontario from Montreal; the airport handles an average of 0 inbound flights from Montreal per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Ontario airport from Montreal. It is only a 4.9 km journey from Ontario (ONT) to Ontario’s city centre.

Question 18

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

Accepted Answer

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

Question 19

How can I find direct flights from Montreal to Ontario?

Accepted Answer

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

Question 20

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

Accepted Answer

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.

Question 21

How does Cheapflights help users find flights from Montreal to Ontario?

Accepted Answer

When you search for this flight from Montreal to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 22

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

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Montreal to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 23

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

Accepted Answer

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.

Question 24

Can Cheapflights notify me if prices for flights from Montreal to Ontario become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	C$ 578
One-way from	C$ 265
Popular in	March
Cheapest in	June
Average price	C$ 793

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 396	AverageC$ 900	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 400	AverageC$ 468	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 426	AverageC$ 437	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Cheap flights from Montreal to Ontario from C$ 265

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to Ontario

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Find flight deals from Montreal to Ontario

Cheapest flights from Montreal to OntarioExplore 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 18 August 2025.

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 18 August 2025.

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

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.

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Everything you need to know about your flight from Montreal to Ontario

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

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

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 18 August 2025.

How much does it cost to fly round-trip from Montreal to Ontario?

What’s the top layover airport for flights from Montreal to Ontario?

Share of one-stop round-trip flights from Montreal to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Montreal to Ontario?

Average round-trip fare for 1-stop flights from Montreal to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Montreal to Ontario?

Shortest average travel time for 1-stop one-way flights from Montreal to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Montreal to Ontario?

Average layover duration for 1-stop one-way flights from Montreal to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with Air Canada from Montreal to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What airport do you fly into for flights to Ontario from Montreal?

How long is the flight from Montreal to Ontario?

What are the cheapest airlines flying from Montreal to Ontario round-trip?

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

How can I find direct flights from Montreal to Ontario?

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

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

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Alternative routes for Montreal to Ontario

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Top 3 airlines flying from Montreal to Ontario

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How does Cheapflights help users find flights from Montreal to Ontario?

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

Can Cheapflights notify me if prices for flights from Montreal to Ontario become cheaper?

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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 18 August 2025.