How long is the flight from Ontario to Montreal?

Airlines like American Airlines and Delta fly from Ontario to Montreal in about 16h 17m. The time it takes to get you to your destination can typically vary by up to 46m. 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.

$170+ Flights from Ontario to Montreal

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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 15, 2025.

Sun 12/2811:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Sat 3/286:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/13

$895

Wed 12/3111:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Mon 1/54:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/13

$1,002

Mon 12/2211:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Thu 1/14:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/13

$1,067

Tue 12/2311:59 pmONT - YUL

1 stop7h 11mUnited Airlines

Thu 1/14:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/12

$1,077

Mon 12/2211:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Sun 12/285:50 pmYUL - ONT

1 stop19h 11mUnited Airlines

Deal found 12/12

$1,099

Sat 12/1310:34 pmONT - YUL

1 stop12h 15mAmerican Airlines

Wed 12/177:00 amYUL - ONT

1 stop15h 39mAmerican Airlines

Deal found 12/13

$1,126

Tue 12/165:05 amONT - YUL

2 stops13h 37mUnited Airlines

Mon 12/226:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/15

$1,134

Mon 12/225:05 amONT - YUL

1 stop8h 53mUnited Airlines

Mon 1/54:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/13

$1,174

Tue 12/165:05 amONT - YUL

2 stops13h 37mUnited Airlines

Sat 12/204:45 pmYUL - ONT

1 stop8h 40mUnited Airlines

Deal found 12/14

$1,192

Mon 12/1511:02 pmONT - YUL

2 stops15h 43mMultiple Airlines

Wed 12/176:55 pmYUL - ONT

2 stops29h 00mMultiple Airlines

Deal found 12/13

$1,197

Tue 12/165:05 amONT - YUL

2 stops13h 37mUnited Airlines

Thu 12/186:00 amYUL - ONT

2 stops18h 07mUnited Airlines

Deal found 12/13

$1,198

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 15, 2025.

Tue 2/175:06 pmONT - YUL

2 stops16h 17mAmerican Airlines

Thu 2/197:30 amYUL - ONT

2 stops17h 34mAmerican Airlines

Deal found 12/13

$541

Tue 1/2712:41 pmONT - YUL

2 stops17h 03mDelta

Thu 1/299:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/13

$578

Thu 1/225:05 amONT - YUL

2 stops30h 06mUnited Airlines

Mon 1/268:00 pmYUL - ONT

2 stops19h 47mUnited Airlines

Deal found 12/13

$695

Fri 1/910:18 pmONT - YUL

2 stops32h 47mMultiple Airlines

Sat 1/173:00 pmYUL - ONT

1 stop32h 55mMultiple Airlines

Deal found 12/13

$707

Wed 1/287:30 amONT - YUL

2 stops12h 42mDelta

Wed 2/49:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/13

$638

Fri 1/97:30 pmONT - YUL

2 stops15h 15mAmerican Airlines

Sat 1/177:30 amYUL - ONT

2 stops13h 50mAmerican Airlines

Deal found 12/13

$673

Thu 1/2910:30 pmONT - YUL

2 stops14h 26mDelta

Thu 2/59:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/15

$691

Thu 1/294:45 pmONT - YUL

2 stops16h 39mAmerican Airlines

Thu 2/53:50 pmYUL - ONT

2 stops20h 18mAmerican Airlines

Deal found 12/15

$746

Tue 2/1710:20 pmONT - YUL

1 stop10h 05mDelta

Thu 2/1912:52 pmYUL - ONT

2 stops12h 45mDelta

Deal found 12/13

$743

Last-minute flights from Ontario to Montreal
Discover last-minute flight deals from Ontario to Montreal. Data last updated December 15, 2025 and is based on user searches.

Tue 1/65:05 amONT - YUL

2 stops23h 27mMultiple Airlines

Sat 1/108:10 amYUL - ONT

2 stops15h 48mMultiple Airlines

Deal found 12/15

$749

Fri 1/97:30 pmONT - YUL

2 stops15h 15mAmerican Airlines

Sat 1/177:30 amYUL - ONT

2 stops13h 50mAmerican Airlines

Deal found 12/13

$673

Fri 1/910:18 pmONT - YUL

2 stops32h 47mMultiple Airlines

Sat 1/173:00 pmYUL - ONT

1 stop32h 55mMultiple Airlines

Deal found 12/13

$707

Thu 1/1512:41 pmONT - YUL

1 stop8h 09mDelta

Tue 1/202:40 pmYUL - ONT

2 stops28h 35mDelta

Deal found 12/13

$756

Thu 1/225:05 amONT - YUL

2 stops32h 42mUnited Airlines

Mon 1/265:30 pmYUL - ONT

2 stops31h 28mUnited Airlines

Deal found 12/12

$695

Tue 1/2712:41 pmONT - YUL

2 stops17h 03mDelta

Thu 1/299:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/13

$578

Wed 1/287:30 amONT - YUL

2 stops12h 42mDelta

Wed 2/49:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/13

$638

Thu 1/2910:30 pmONT - YUL

1 stop19h 20mMultiple Airlines

Thu 2/58:00 amYUL - ONT

2 stops31h 43mMultiple Airlines

Deal found 12/15

$588

Thu 1/2910:30 pmONT - YUL

2 stops14h 26mDelta

Thu 2/59:34 amYUL - ONT

2 stops14h 31mDelta

Deal found 12/15

$691

Thu 1/294:45 pmONT - YUL

2 stops16h 39mAmerican Airlines

Thu 2/53:50 pmYUL - ONT

2 stops20h 18mAmerican Airlines

Deal found 12/15

$746

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 15, 2025.

Fri 1/232:28 pmONT - YUL

2 stops22h 59mMultiple Airlines

Deal found 12/13

$170

Thu 1/82:34 pmONT - YUL

2 stops13h 31mMultiple Airlines

Deal found 12/14

$179

Thu 1/154:34 pmONT - YUL

2 stops13h 46mMultiple Airlines

Deal found 12/13

$208

Wed 1/74:45 pmONT - YUL

2 stops19h 23mAmerican Airlines

Deal found 12/13

$235

Sat 1/2410:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/13

$247

Tue 4/710:30 pmONT - YUL

2 stops17h 05mDelta

Deal found 12/13

$278

Tue 1/2712:57 pmONT - YUL

2 stops21h 48mAmerican Airlines

Deal found 12/13

$282

Sat 5/237:20 pmONT - YUL

2 stops26h 22mMultiple Airlines

Deal found 12/14

$318

Sat 4/410:30 pmONT - YUL

2 stops17h 05mDelta

Deal found 12/13

$327

Find flight deals from Ontario to Montreal

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$541 (American Airlines)
One-way from	$170 (Kiwi.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. 22% 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

Tue 2/17

5:06 pm-12:23 pm

2 stops16h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

7:30 am-10:04 pm

2 stops17h 34m

$541

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 1/27

12:41 pm-8:44 am

2 stops17h 03m

Montreal Pierre Elliott Trudeau Intl

Thu 1/29

9:34 am-9:05 pm

2 stops14h 31m

$578

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 1/28

7:30 am-11:12 pm

2 stops12h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

9:34 am-9:05 pm

2 stops14h 31m

$638

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 1/9

7:30 pm-1:45 pm

2 stops15h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

7:30 am-6:20 pm

2 stops13h 50m

$673

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/29

10:30 pm-3:56 pm

2 stops14h 26m

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

9:34 am-9:05 pm

2 stops14h 31m

$691

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/22

5:05 am-2:11 pm

2 stops30h 06m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

8:00 pm-12:47 pm

2 stops19h 47m

$695

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 1/9

10:18 pm-10:05 am

2 stops32h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

3:00 pm-8:55 pm

1 stop32h 55m

$707

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/17

10:20 pm-11:25 am

1 stop10h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

12:52 pm-10:37 pm

2 stops12h 45m

$743

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/29

4:45 pm-12:24 pm

2 stops16h 39m

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

3:50 pm-9:08 am

2 stops20h 18m

$746

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/8

2:34 pm-7:05 am

2 stops13h 31m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 21 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 and Delta fly from Ontario to Montreal in about 16h 17m. The time it takes to get you to your destination can typically vary by up to 46m. 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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$170+ 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 1/23. 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 15, 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 15, 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 15, 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 15, 2025.