How long is the flight from Montreal to Ontario?

A quick flight from Montreal to Ontario can take about 12h 29m. Delta provides one of the quickest options available for as low as C$ 716. Airlines will cover a distance of 3899 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

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

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

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

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 0 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.

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.

C$ 346+ Cheap Flights from Montreal to Ontario

Cheap flight deals from Montreal to Ontario

Enter your travel dates to find the best prices.

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Best

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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 3 October 2026.

Wed 21/105:10 p.m. -

2 stops9h 45m

Wed 28/1012:16 p.m. -

1 stop8h 38m

Deal found 29/9C$ 631

Thu 22/1012:44 p.m. -

1 stop12h 10m

Wed 28/107:07 a.m. -

2 stops13h 18m

Deal found 29/9C$ 656

Thu 3/1212:41 p.m. -

1 stop12h 14m

Mon 14/1212:20 p.m. -

1 stop8h 28m

Deal found 29/9C$ 690

Thu 22/1012:44 p.m. -

1 stop12h 10m

Sat 31/1012:16 p.m. -

1 stop8h 38m

Deal found 29/9C$ 705

Wed 28/106:45 a.m. -

3 stops31h 31m

Fri 30/108:35 p.m. -

3 stops25h 00m

Deal found 28/9C$ 712

Tue 15/1212:50 p.m. -

2 stops14h 07m

Mon 12/410:59 p.m. -

1 stop9h 45m

Deal found 2/10C$ 716

Thu 22/106:45 a.m. -

2 stops15h 55m

Wed 28/1010:35 a.m. -

3 stops35h 00m

Deal found 30/9C$ 727

Tue 6/109:30 a.m. -

2 stops13h 55m

Sat 24/1012:16 p.m. -

1 stop8h 38m

Deal found 29/9C$ 739

Mon 14/1212:41 p.m. -

1 stop12h 14m

Wed 14/412:00 p.m. -

1 stop8h 51m

Deal found 2/10C$ 742

Find flight deals from Montreal to Ontario

Round-trip from	C$ 631
One-way from	C$ 346
Popular in	December
Cheapest in	January
Average price	C$ 670

Delta
16/1-23/1
3 total stops
24h 37m total
Montreal to Ontario

Search Deals

13/11-31/12
2 total stops
15h 43m total
Montreal to Ontario

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

6:00 a.m.-4:24 p.m.

2 stops13h 24m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 389

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

12:50 p.m.-11:49 p.m.

2 stops13h 59m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 413

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 13/11

2:30 p.m.-9:57 p.m.

2 stops10h 27m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 413

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

6:35 p.m.-10:23 a.m.

1 stop18h 48m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 427

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

6:00 a.m.-6:47 p.m.

1 stop15h 47m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 433

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

9:45 a.m.-10:49 p.m.

1 stop16h 04m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 461

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 14/11

6:00 a.m.-6:47 p.m.

1 stop15h 47m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 463

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

9:45 a.m.-10:49 p.m.

1 stop16h 04m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 464

Quickest round-trip

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 12/12

1:10 p.m.-6:44 p.m.

1 stop8h 34m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 485

MontrealOntario

YUL Montreal Pierre Elliott Trudeau Intl - ONT Ontario

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

4:55 p.m.-12:46 p.m.

2 stops22h 51m

Ontario

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 514

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 23 resultsSorted by cheapest first

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.

YMQ-ONT

YUL-ONT

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

YMQ-ONT

YUL-ONT

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

Charlotte (CLT) – chosen by Cheapflights users on 67% of one-stop itineraries from Montreal to Ontario on Cheapflights.

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

Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of C$ 718.

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

Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 9h 35m.

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

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 3h 42m.

Related info for your journey

What airport do you fly into for flights to Ontario from Montreal?
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 0 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.
How long is the flight from Montreal to Ontario?
A quick flight from Montreal to Ontario can take about 12h 29m. Delta provides one of the quickest options available for as low as C$ 716. Airlines will cover a distance of 3899 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

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.

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

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.

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?

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!

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Cheap flights from Montreal to Ontario from C$ 346

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 3 October 2026.

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 3 October 2026.

Best flights from Montreal to OntarioDiscover carefully curated flight deals from Montreal to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Discover carefully curated flight deals from Montreal to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Montreal to OntarioDiscover last-minute flight deals from Montreal to Ontario. Data last updated 3 October 2026 and is based on user searches.

Discover last-minute flight deals from Montreal to Ontario. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Montreal to OntarioSearch for one-way flight options from Montreal to Ontario. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Search for one-way flight options from Montreal to Ontario. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.

Find flight deals from Montreal to Ontario

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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.

Cheapflights Insights

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.

Charlotte (CLT) – chosen by Cheapflights users on 67% of one-stop itineraries from Montreal to Ontario on Cheapflights.

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.

Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of C$ 718.

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.

Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 9h 35m.

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.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 3h 42m.

Related info for your journey

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

How long is the flight from Montreal to Ontario?

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montreal to Ontario

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Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

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Search flights from Montreal to Ontario by cabin class

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Other flights to Ontario

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

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

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 3 October 2026.

Best flights from Montreal to Ontario
Discover carefully curated flight deals from Montreal to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 3 October 2026.

Last-minute flights from Montreal to Ontario
Discover last-minute flight deals from Montreal to Ontario. Data last updated 3 October 2026 and is based on user searches.

One-way flights from Montreal to Ontario
Search for one-way flight options from Montreal to Ontario. Find affordable one-way fares based on user searches. Data last updated 3 October 2026.