How long is the flight from Ontario to Montreal?

Airlines like American Airlines, Delta, and United Airlines fly from Ontario to Montreal in about 13h 17m. The time it takes to get you to your destination can typically vary by up to 16h 38m. 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.

$180+ 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 4, 2025.

Sat 12/612:42 amONT - YUL

2 stops20h 03mMultiple Airlines

Tue 12/97:30 pmYUL - ONT

3 stops30h 22mMultiple Airlines

Deal found 12/4

$897

Fri 12/265:05 amONT - YUL

2 stops17h 48mAir Canada

Thu 1/110:10 amYUL - ONT

2 stops13h 57mAir Canada

Deal found 12/4

$900

Mon 12/2911:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Wed 12/316:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/4

$915

Sun 12/285:05 amONT - YUL

1 stop8h 53mUnited Airlines

Wed 12/318:25 amYUL - ONT

2 stops15h 42mUnited Airlines

Deal found 12/4

$936

Sat 12/275:05 amONT - YUL

2 stops17h 48mAir Canada

Thu 1/110:10 amYUL - ONT

2 stops13h 57mAir Canada

Deal found 12/4

$947

Tue 12/3011:59 pmONT - YUL

1 stop11h 01mUnited Airlines

Fri 1/26:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/4

$958

Fri 12/265:05 amONT - YUL

2 stops17h 48mAir Canada

Wed 12/316:00 amYUL - ONT

2 stops18h 07mAir Canada

Deal found 12/4

$962

Wed 12/176:00 amONT - YUL

2 stops12h 42mUnited Airlines

Tue 12/236:00 amYUL - ONT

1 stop19h 25mUnited Airlines

Deal found 12/3

$968

Sun 12/2811:59 pmONT - YUL

1 stop12h 15mAmerican Airlines

Sun 1/44:09 pmYUL - ONT

1 stop20h 29mAmerican Airlines

Deal found 12/4

$975

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 4, 2025.

Wed 2/186:10 amONT - YUL

2 stops29h 55mAmerican Airlines

Tue 2/243:55 pmYUL - ONT

2 stops22h 42mAmerican Airlines

Deal found 12/2

$543

Thu 1/812:41 pmONT - YUL

2 stops17h 03mDelta

Wed 1/142:40 pmYUL - ONT

2 stops24h 36mDelta

Deal found 12/2

$619

Sun 2/155:00 amONT - YUL

2 stops13h 17mUnited Airlines

Tue 2/246:00 amYUL - ONT

2 stops17h 50mUnited Airlines

Deal found 12/2

$644

Sat 1/173:09 pmONT - YUL

2 stops20h 59mAmerican Airlines

Sat 1/243:50 pmYUL - ONT

2 stops20h 18mAmerican Airlines

Deal found 12/3

$547

Thu 1/226:39 pmONT - YUL

2 stops16h 21mUnited Airlines

Mon 1/264:45 pmYUL - ONT

2 stops23h 02mUnited Airlines

Deal found 12/3

$708

Sat 1/1712:41 pmONT - YUL

1 stop8h 09mDelta

Sat 1/247:00 amYUL - ONT

2 stops18h 51mDelta

Deal found 12/3

$712

Sun 2/155:00 amONT - YUL

2 stops13h 17mUnited Airlines

Wed 2/258:20 amYUL - ONT

2 stops16h 39mUnited Airlines

Deal found 12/2

$731

Mon 2/165:00 amONT - YUL

1 stop8h 58mUnited Airlines

Tue 2/246:00 amYUL - ONT

2 stops17h 50mUnited Airlines

Deal found 12/2

$741

Tue 2/176:00 amONT - YUL

1 stop7h 49mUnited Airlines

Tue 2/246:00 amYUL - ONT

2 stops17h 50mUnited Airlines

Deal found 12/2

$741

Last-minute flights from Ontario to Montreal
Discover last-minute flight deals from Ontario to Montreal. Data last updated December 4, 2025 and is based on user searches.

Thu 1/84:45 pmONT - YUL

2 stops19h 23mAmerican Airlines

Wed 1/143:50 pmYUL - ONT

2 stops20h 18mAmerican Airlines

Deal found 12/4

$465

Thu 1/812:41 pmONT - YUL

2 stops17h 03mDelta

Wed 1/142:40 pmYUL - ONT

2 stops24h 36mDelta

Deal found 12/2

$619

Thu 1/85:05 amONT - YUL

2 stops23h 27mMultiple Airlines

Sat 1/108:10 amYUL - ONT

2 stops15h 48mMultiple Airlines

Deal found 12/2

$713

Sat 1/173:09 pmONT - YUL

2 stops20h 59mAmerican Airlines

Sat 1/243:50 pmYUL - ONT

2 stops20h 18mAmerican Airlines

Deal found 12/3

$547

Sat 1/1712:41 pmONT - YUL

1 stop8h 09mDelta

Sat 1/247:00 amYUL - ONT

2 stops18h 51mDelta

Deal found 12/3

$712

Thu 1/226:39 pmONT - YUL

2 stops16h 21mUnited Airlines

Mon 1/264:45 pmYUL - ONT

2 stops23h 02mUnited Airlines

Deal found 12/3

$708

Fri 1/231:24 pmONT - YUL

2 stops21h 36mUnited Airlines

Sun 1/258:00 pmYUL - ONT

2 stops28h 58mUnited Airlines

Deal found 12/2

$704

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 4, 2025.

Sat 1/174:45 pmONT - YUL

2 stops19h 23mAmerican Airlines

Deal found 12/3

$180

Wed 1/77:00 amONT - YUL

3 stops29h 15mMultiple Airlines

Deal found 12/3

$188

Tue 2/310:30 pmONT - YUL

2 stops17h 07mDelta

Deal found 12/3

$224

Wed 1/74:45 pmONT - YUL

2 stops19h 23mAmerican Airlines

Deal found 12/3

$237

Sat 1/177:15 amONT - YUL

3 stops27h 17mMultiple Airlines

Deal found 12/3

$239

Sat 2/74:45 pmONT - YUL

2 stops19h 23mAmerican Airlines

Deal found 12/3

$240

Sat 2/145:00 amONT - YUL

2 stops13h 17mUnited Airlines

Deal found 12/2

$244

Thu 2/54:45 pmONT - YUL

2 stops19h 23mAmerican Airlines

Deal found 12/3

$258

Wed 2/44:45 pmONT - YUL

2 stops18h 00mAmerican Airlines

Deal found 12/3

$262

Mon 3/2310:30 pmONT - YUL

2 stops17h 05mDelta

Deal found 12/4

$275

Sun 12/216:37 pmONT - YUL

2 stops26h 53mMultiple Airlines

Deal found 12/4

$328

Find flight deals from Ontario to Montreal

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$465 (American Airlines)
One-way from	$180 (American Airlines)
Popular in	December
Cheapest in	March
Average price	$757

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. 20% potential increase in price ($119 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($27 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

6:10 am-3:05 pm

2 stops29h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

3:55 pm-11:37 am

2 stops22h 42m

$543

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 1/17

3:09 pm-3:08 pm

2 stops20h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 1/24

3:50 pm-9:08 am

2 stops20h 18m

$547

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/8

12:41 pm-8:44 am

2 stops17h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:40 pm-12:16 pm

2 stops24h 36m

$619

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 2/15

5:00 am-9:17 pm

2 stops13h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

6:00 am-8:50 pm

2 stops17h 50m

$644

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/22

6:39 pm-2:00 pm

2 stops16h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

4:45 pm-12:47 pm

2 stops23h 02m

$708

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 1/17

12:41 pm-11:50 pm

1 stop8h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 1/24

7:00 am-10:51 pm

2 stops18h 51m

$712

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 2/15

5:00 am-9:17 pm

2 stops13h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

8:20 am-9:59 pm

2 stops16h 39m

$731

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/16

5:00 am-4:58 pm

1 stop8h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

6:00 am-8:50 pm

2 stops17h 50m

$741

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/17

6:00 am-4:49 pm

1 stop7h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

6:00 am-8:50 pm

2 stops17h 50m

$741

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/3

10:30 pm-6:37 pm

2 stops17h 07m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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, Delta, and United Airlines fly from Ontario to Montreal in about 13h 17m. The time it takes to get you to your destination can typically vary by up to 16h 38m. 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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$180+ 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 1/17. 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 4, 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 4, 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 4, 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 4, 2025.