How long is the flight from Ontario to Montreal?

Airlines like Delta fly from Ontario to Montreal in about 17h 07m. The time it takes to get you to your destination can typically vary by up to . Ontario and Montreal are separated by a distance of 2423 mi.

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.

$201+ Flights from Ontario to Montreal

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 23, 2025.

Sun 12/2111:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Thu 12/254:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/21

$1,122

Tue 12/2311:10 amONT - YUL

1 stop9h 49mDelta

Thu 1/17:00 amYUL - ONT

2 stops15h 50mDelta

Deal found 12/22

$1,145

Tue 12/236:00 amONT - YUL

2 stops12h 42mUnited Airlines

Thu 1/17:00 amYUL - ONT

2 stops17h 52mUnited Airlines

Deal found 12/22

$1,150

Tue 12/2311:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Wed 12/244:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/21

$1,183

Tue 12/2311:10 amONT - YUL

1 stop9h 49mDelta

Tue 12/307:00 amYUL - ONT

2 stops19h 54mDelta

Deal found 12/22

$1,199

Fri 12/2611:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Sun 12/286:00 amYUL - ONT

2 stops18h 07mUnited Airlines

Deal found 12/22

$1,203

Thu 12/256:00 amONT - YUL

2 stops14h 59mDelta

Tue 12/307:00 amYUL - ONT

2 stops19h 54mDelta

Deal found 12/22

$1,204

Sun 12/2111:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Mon 12/225:50 pmYUL - ONT

1 stop19h 11mUnited Airlines

Deal found 12/21

$1,209

Wed 12/245:05 amONT - YUL

1 stop8h 53mUnited Airlines

Wed 12/316:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/23

$1,233

Tue 12/235:05 amONT - YUL

1 stop8h 53mAir Canada

Mon 12/296:00 amYUL - ONT

2 stops14h 43mAir Canada

Deal found 12/22

$1,245

Tue 12/235:05 amONT - YUL

2 stops13h 37mUnited Airlines

Wed 12/318:25 amYUL - ONT

2 stops15h 42mUnited Airlines

Deal found 12/22

$1,248

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 23, 2025.

Sun 2/110:30 pmONT - YUL

2 stops17h 07mDelta

Fri 2/69:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/22

$578

Thu 3/125:15 amONT - YUL

2 stops29h 56mUnited Airlines

Mon 3/1610:25 amYUL - ONT

2 stops15h 00mUnited Airlines

Deal found 12/22

$722

Mon 2/210:30 pmONT - YUL

2 stops17h 07mDelta

Fri 2/62:15 pmYUL - ONT

2 stops24h 16mDelta

Deal found 12/22

$578

Mon 2/210:30 pmONT - YUL

2 stops17h 07mDelta

Thu 2/57:30 pmYUL - ONT

2 stops28h 35mDelta

Deal found 12/22

$578

Sun 2/110:30 pmONT - YUL

2 stops17h 07mDelta

Thu 2/57:30 pmYUL - ONT

2 stops28h 35mDelta

Deal found 12/22

$578

Wed 1/211:24 pmONT - YUL

2 stops15h 08mUnited Airlines

Sun 1/258:00 pmYUL - ONT

2 stops28h 58mUnited Airlines

Deal found 12/20

$733

Tue 2/247:30 amONT - YUL

2 stops12h 56mDelta

Wed 3/412:52 pmYUL - ONT

2 stops12h 45mDelta

Deal found 12/20

$580

Thu 2/57:30 amONT - YUL

2 stops13h 29mDelta

Thu 2/1212:30 pmYUL - ONT

1 stop11h 35mDelta

Deal found 12/22

$718

Thu 3/126:00 amONT - YUL

2 stops14h 13mDelta

Mon 3/1612:50 pmYUL - ONT

2 stops12h 44mDelta

Deal found 12/21

$720

Last-minute flights from Ontario to Montreal
Discover last-minute flight deals from Ontario to Montreal. Data last updated December 23, 2025 and is based on user searches.

Sun 1/115:05 amONT - YUL

1 stop8h 53mAir Canada

Sun 1/2511:10 amYUL - ONT

2 stops12h 48mAir Canada

Deal found 12/23

$945

Sat 1/171:53 pmONT - YUL

2 stops13h 51mAir Canada

Fri 1/231:10 pmYUL - ONT

2 stops12h 43mAir Canada

Deal found 12/21

$875

Sun 1/185:05 amONT - YUL

2 stops23h 27mUnited Airlines

Wed 1/215:50 pmYUL - ONT

1 stop26h 53mUnited Airlines

Deal found 12/22

$850

Wed 1/218:00 amONT - YUL

2 stops20h 32mUnited Airlines

Sun 1/258:00 pmYUL - ONT

2 stops28h 58mUnited Airlines

Deal found 12/21

$733

Wed 1/216:00 amONT - YUL

1 stop7h 49mAir Canada

Sun 1/2510:10 amYUL - ONT

2 stops13h 48mAir Canada

Deal found 12/21

$939

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 23, 2025.

Sun 1/117:19 pmONT - YUL

2 stops11h 01mMultiple Airlines

Deal found 12/21

$201

Fri 1/96:00 amONT - YUL

3 stops55h 30mMultiple Airlines

Deal found 12/21

$243

Mon 2/210:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/21

$252

Thu 2/510:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/21

$273

Wed 2/410:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/21

$310

Fri 2/61:11 pmONT - YUL

2 stops19h 34mDelta

Deal found 12/21

$356

Thu 1/225:05 amONT - YUL

2 stops27h 30mUnited Airlines

Deal found 12/23

$391

Wed 4/291:34 pmONT - YUL

2 stops17h 47mUnited Airlines

Deal found 12/22

$402

Thu 1/155:05 amONT - YUL

2 stops13h 37mUnited Airlines

Deal found 12/21

$407

Sun 4/265:10 amONT - YUL

1 stop8h 41mAir Canada

Deal found 12/20

$413

Find flight deals from Ontario to Montreal

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$578 (Delta)
One-way from	$201 (Trip.com)
Popular in	December
Cheapest in	March
Average price	$762

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. 21% potential increase in price ($130 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

Sun 2/1

10:30 pm-6:37 pm

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Fri 2/6

9:34 am-9:05 pm

2 stops14h 31m

$578

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/2

10:30 pm-6:37 pm

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Fri 2/6

2:15 pm-11:31 am

2 stops24h 16m

$578

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/2

10:30 pm-6:37 pm

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

7:30 pm-9:05 pm

2 stops28h 35m

$578

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 2/1

10:30 pm-6:37 pm

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

7:30 pm-9:05 pm

2 stops28h 35m

$578

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/24

7:30 am-11:26 pm

2 stops12h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 3/4

12:52 pm-10:37 pm

2 stops12h 45m

$580

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 2/5

7:30 am-11:59 pm

2 stops13h 29m

Montreal Pierre Elliott Trudeau Intl

Thu 2/12

12:30 pm-9:05 pm

1 stop11h 35m

$718

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

6:00 am-11:13 pm

2 stops14h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

12:50 pm-10:34 pm

2 stops12h 44m

$720

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

5:15 am-2:11 pm

2 stops29h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

10:25 am-10:25 pm

2 stops15h 00m

$722

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 1/21

1:24 pm-7:32 am

2 stops15h 08m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

8:00 pm-9:58 pm

2 stops28h 58m

$733

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 1/9

6:00 am-4:30 pm

3 stops55h 30m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 18 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*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*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 Delta fly from Ontario to Montreal in about 17h 07m. The time it takes to get you to your destination can typically vary by up to . Ontario and Montreal are separated by a distance of 2423 mi.
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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$201+ 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 1/11. 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

3. Compare prices and book

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 23, 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 23, 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 23, 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

100% Free

Book with Flexibility

Travel Smart

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 23, 2025.