How long is the flight from Ontario to Montreal?

Airlines like American Airlines, United Airlines, and Delta fly from Ontario to Montreal in about 10h 15m. The time it takes to get you to your destination can typically vary by up to 13h 12m. Ontario and Montreal are separated by a distance of 2423 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Flying on United Airlines is currently your cheapest option to Montreal, with prices starting at $219. Another option worth looking into is Air Canada, starting at $419 round trip.

In terms of precipitation, rainfall in Montreal ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal when rainfall is around 2.5 in.

If weather is an important factor for your trip to Montreal, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Most accurate provider : When it comes to deals on Ontario-Montreal flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Montreal flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Montreal flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Montreal flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Montreal. 2 airlines have flights from Ontario to Montreal on a regular basis. Booking flights from Ontario to Montreal should not be difficult; the airport handles an average of 0 outbound flights to Montreal per day.

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

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

How can I find direct flights from Ontario to Montreal?

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

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

Yes. Cheapflights offers flight deals from Ontario to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$231+ Flights from Ontario to Montreal

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Montreal

Cheapest flights from Ontario to Montreal
Explore the most affordable flight options available from Ontario to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Tue 12/3011:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Mon 1/56:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/10

$894

Wed 12/3111:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Mon 1/54:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/10

$959

Sat 12/2011:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Tue 12/236:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/11

$1,066

Thu 12/1811:59 pmONT - YUL

1 stop12h 07mAmerican Airlines

Sat 12/204:00 pmYUL - ONT

1 stop10h 46mAmerican Airlines

Deal found 12/11

$1,067

Fri 12/1210:34 pmONT - YUL

1 stop12h 11mAmerican Airlines

Tue 12/237:08 amYUL - ONT

1 stop16h 50mAmerican Airlines

Deal found 12/11

$1,070

Wed 12/315:05 amONT - YUL

1 stop8h 53mAir Canada

Mon 1/512:10 pmYUL - ONT

2 stops11h 58mAir Canada

Deal found 12/11

$1,089

Mon 12/2211:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Sun 12/285:50 pmYUL - ONT

1 stop19h 11mUnited Airlines

Deal found 12/10

$1,099

Tue 12/235:05 amONT - YUL

1 stop8h 53mUnited Airlines

Sun 12/285:50 pmYUL - ONT

1 stop19h 11mUnited Airlines

Deal found 12/11

$1,131

Fri 12/126:41 pmONT - YUL

2 stops16h 19mUnited Airlines

Sun 12/216:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/11

$1,134

Best flights from Ontario to Montreal
Discover carefully curated flight deals from Ontario to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Wed 2/186:14 amONT - YUL

2 stops13h 30mAmerican Airlines

Sat 2/213:55 pmYUL - ONT

2 stops19h 48mAmerican Airlines

Deal found 12/9

$628

Thu 1/225:05 amONT - YUL

2 stops23h 27mUnited Airlines

Mon 1/268:00 pmYUL - ONT

2 stops28h 58mUnited Airlines

Deal found 12/9

$663

Fri 1/2310:30 pmONT - YUL

1 stop10h 15mDelta

Fri 1/309:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/11

$741

Fri 1/234:45 pmONT - YUL

2 stops16h 39mAmerican Airlines

Fri 1/307:30 amYUL - ONT

2 stops17h 43mAmerican Airlines

Deal found 12/11

$628

Thu 3/1211:59 pmONT - YUL

2 stops16h 12mUnited Airlines

Mon 3/165:30 pmYUL - ONT

2 stops22h 19mUnited Airlines

Deal found 12/10

$754

Thu 3/126:00 amONT - YUL

2 stops14h 11mDelta

Mon 3/1612:42 pmYUL - ONT

1 stop11h 22mDelta

Deal found 12/10

$756

Thu 4/96:00 amONT - YUL

2 stops23h 00mUnited Airlines

Mon 4/138:00 pmYUL - ONT

2 stops19h 38mUnited Airlines

Deal found 12/10

$754

Sat 1/2412:41 pmONT - YUL

1 stop8h 09mDelta

Sat 1/316:00 amYUL - ONT

2 stops18h 05mDelta

Deal found 12/10

$789

Sat 1/246:27 amONT - YUL

3 stops13h 17mAmerican Airlines

Sat 1/317:30 amYUL - ONT

2 stops13h 50mAmerican Airlines

Deal found 12/10

$793

Last-minute flights from Ontario to Montreal
Discover last-minute flight deals from Ontario to Montreal. Data last updated December 12, 2025 and is based on user searches.

Fri 1/211:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Mon 1/56:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/10

$851

Fri 1/912:41 pmONT - YUL

2 stops17h 03mDelta

Sat 1/172:25 pmYUL - ONT

2 stops24h 06mDelta

Deal found 12/11

$593

Fri 1/92:34 pmONT - YUL

2 stops22h 53mMultiple Airlines

Sat 1/173:00 pmYUL - ONT

1 stop32h 55mMultiple Airlines

Deal found 12/11

$684

Thu 1/225:05 amONT - YUL

2 stops23h 27mUnited Airlines

Mon 1/268:00 pmYUL - ONT

2 stops28h 58mUnited Airlines

Deal found 12/9

$663

Fri 1/234:45 pmONT - YUL

2 stops16h 39mAmerican Airlines

Fri 1/307:30 amYUL - ONT

2 stops17h 43mAmerican Airlines

Deal found 12/11

$628

Fri 1/2310:30 pmONT - YUL

1 stop10h 15mDelta

Fri 1/309:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/11

$741

Sat 1/244:45 pmONT - YUL

2 stops18h 00mAmerican Airlines

Sat 1/317:30 amYUL - ONT

2 stops13h 50mAmerican Airlines

Deal found 12/10

$480

Sat 1/2412:41 pmONT - YUL

1 stop8h 09mDelta

Sat 1/316:00 amYUL - ONT

2 stops18h 05mDelta

Deal found 12/10

$789

Sun 1/254:45 pmONT - YUL

2 stops18h 00mAmerican Airlines

Sun 2/17:00 amYUL - ONT

2 stops18h 13mAmerican Airlines

Deal found 12/11

$627

Sun 1/255:05 amONT - YUL

2 stops23h 27mUnited Airlines

Sun 2/14:45 pmYUL - ONT

3 stops21h 33mUnited Airlines

Deal found 12/11

$821

Sun 1/251:53 pmONT - YUL

1 stop23h 56mMultiple Airlines

Sun 2/15:50 pmYUL - ONT

1 stop20h 28mMultiple Airlines

Deal found 12/11

$860

One-way flights from Ontario to Montreal
Search for one-way flight options from Ontario to Montreal. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Thu 1/2210:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/10

$231

Sun 1/1110:30 pmONT - YUL

2 stops31h 14mDelta

Deal found 12/11

$236

Tue 1/274:45 pmONT - YUL

2 stops18h 00mAmerican Airlines

Deal found 12/11

$255

Tue 1/2710:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/10

$267

Wed 1/2112:57 pmONT - YUL

2 stops23h 11mAmerican Airlines

Deal found 12/10

$275

Thu 1/1512:57 pmONT - YUL

2 stops23h 11mAmerican Airlines

Deal found 12/11

$282

Tue 1/135:05 amONT - YUL

2 stops27h 30mUnited Airlines

Deal found 12/10

$292

Mon 4/279:13 pmONT - YUL

3 stops24h 07mMultiple Airlines

Deal found 12/11

$336

Tue 2/1711:02 pmONT - YUL

2 stops15h 43mMultiple Airlines

Deal found 12/10

$340

Fri 1/95:05 amONT - YUL

2 stops30h 06mUnited Airlines

Deal found 12/10

$364

Fri 2/2710:39 pmONT - YUL

1 stop12h 06mAmerican Airlines

Deal found 12/10

$379

Thu 2/265:00 amONT - YUL

2 stops23h 32mUnited Airlines

Deal found 12/11

$384

Find flight deals from Ontario to Montreal

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$480 (American Airlines)
One-way from	$231 (Delta)
Popular in	December
Cheapest in	March
Average price	$773

Provider with most accurate pricing for Ontario-Montreal (YMQ) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Montreal (YMQ) flights.

Search Deals

From Ontario to Montreal (YMQ)

Search Deals

One-way flight from Ontario to Montreal (YMQ)

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($133 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 2/18

6:14 am-10:44 pm

2 stops13h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

3:55 pm-8:43 am

2 stops19h 48m

$628

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 1/23

4:45 pm-12:24 pm

2 stops16h 39m

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

7:30 am-10:13 pm

2 stops17h 43m

$628

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/22

5:05 am-7:32 am

2 stops23h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

8:00 pm-9:58 pm

2 stops28h 58m

$663

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 1/23

10:30 pm-11:45 am

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

9:34 am-9:05 pm

2 stops14h 31m

$741

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

11:59 pm-7:11 pm

2 stops16h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

5:30 pm-12:49 pm

2 stops22h 19m

$754

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 4/9

6:00 am-8:00 am

2 stops23h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

8:00 pm-12:38 pm

2 stops19h 38m

$754

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

6:00 am-11:11 pm

2 stops14h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

12:42 pm-9:04 pm

1 stop11h 22m

$756

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 1/24

12:41 pm-11:50 pm

1 stop8h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 1/31

6:00 am-9:05 pm

2 stops18h 05m

$789

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 1/24

6:27 am-10:44 pm

3 stops13h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 1/31

7:30 am-6:20 pm

2 stops13h 50m

$793

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 1/28

10:30 pm-6:37 pm

2 stops17h 07m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results

Compare providers for flights from Ontario to Montreal

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Montreal in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Montreal flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Montreal flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Montreal flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Montreal flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Montreal

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

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Montreal (average of $152). Flying from Ontario to Montreal in September is currently the most expensive (average of $224). 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 ONT to YMQ?

A simple way to save on the total cost of your ticket is to fly from Ontario to Montreal in the afternoon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.

Related info for your journey

What airport do you fly from for flights from Ontario to Montreal?
Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Montreal. 2 airlines have flights from Ontario to Montreal on a regular basis. Booking flights from Ontario to Montreal should not be difficult; the airport handles an average of 0 outbound flights to Montreal per day.
How long is the flight from Ontario to Montreal?
Airlines like American Airlines, United Airlines, and Delta fly from Ontario to Montreal in about 10h 15m. The time it takes to get you to your destination can typically vary by up to 13h 12m. Ontario and Montreal are separated by a distance of 2423 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Ontario to Montreal round-trip?
Flying on United Airlines is currently your cheapest option to Montreal, with prices starting at $219. Another option worth looking into is Air Canada, starting at $419 round trip.
Can I find deals for flights from Ontario to Montreal that include hotel bookings?
Yes. In addition to deals on Ontario to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Montreal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Montreal.
Can I find deals for business class flights from Ontario to Montreal?
Yes. Cheapflights offers flight deals from Ontario to Montreal 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 Ontario to Montreal?
Currently, February is the cheapest month in which you can book a flight from Ontario to Montreal (average of $152). Flying from Ontario to Montreal in September is currently the most expensive (average of $224). 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

Top 2 airlines flying from Ontario to Montreal

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$219	Average$614	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$419	Average$600	FlexibilityNo cancel fee	On-time67%

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$231+ Cheap flights from Ontario (ONT) to Montreal (YMQ)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Montreal with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Ontario to Montreal

Cheapest flights from Ontario to MontrealExplore the most affordable flight options available from Ontario to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Ontario to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Ontario to Montreal

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Ontario to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Montreal in December.

Best time to book a flight from Ontario to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Ontario with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Ontario to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Montreal. 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 Ontario to Montreal?

How long is the flight from Ontario to Montreal?

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

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

How can I find direct flights from Ontario to Montreal?

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

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

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 Ontario to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Ontario to Montreal

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Cheapest flights from Ontario to Montreal
Explore the most affordable flight options available from Ontario to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.