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$218+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YMQ
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find 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 November 13, 2025.

This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:05 amONT - YUL
2 stops23h 34mDelta
Fri 12/57:45 pmYUL - ONT
2 stops18h 17mDelta
Deal found 11/12$642
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:55 pmONT - YUL
2 stops23h 14mAmerican Airlines
Tue 12/24:00 pmYUL - ONT
2 stops19h 53mAmerican Airlines
Deal found 11/12$718
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:44 amONT - YUL
1 stop9h 15mDelta
Fri 12/52:37 pmYUL - ONT
2 stops23h 25mDelta
Deal found 11/12$749
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:16 pmONT - YUL
2 stops18h 23mDelta
Sat 12/66:00 amYUL - ONT
2 stops18h 55mDelta
Deal found 11/12$759
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:16 pmONT - YUL
2 stops18h 23mDelta
Wed 12/37:45 pmYUL - ONT
2 stops30h 19mDelta
Deal found 11/12$763
This Trip.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 pmONT - YUL
2 stops12h 20mMultiple Airlines
Sun 1/46:45 amYUL - ONT
2 stops17h 42mMultiple Airlines
Deal found 11/11$773
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:49 pmONT - YUL
2 stops23h 58mDelta
Wed 12/36:00 amYUL - ONT
2 stops20h 58mDelta
Deal found 11/12$775
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:25 pmONT - YUL
2 stops17h 15mDelta
Fri 12/52:37 pmYUL - ONT
2 stops23h 25mDelta
Deal found 11/12$791
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:20 pmONT - YUL
2 stops27h 27mDelta
Tue 12/26:00 amYUL - ONT
2 stops20h 58mDelta
Deal found 11/12$795
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amONT - YUL
2 stops10h 51mDelta
Fri 12/52:37 pmYUL - ONT
2 stops23h 25mDelta
Deal found 11/12$808
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:25 pmONT - YUL
1 stop10h 15mDelta
Fri 12/52:37 pmYUL - ONT
2 stops23h 25mDelta
Deal found 11/12$813

Cheap flight deals from Ontario to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$556
(Delta)

One-way from

$218
(Delta)

Popular in

December

Cheapest in

March

Average price

$474
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. 18% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Montreal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Ontario to Montreal that are best for you.

Fly from

Ontario

Fly to

Montreal

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/2

10:30 pm-6:37 pm

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

2:29 pm-11:59 am

2 stops24h 30m

$556

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/3

1:04 pm-6:37 pm

2 stops26h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

2:29 pm-11:59 am

2 stops24h 30m

$556

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 11/27

7:05 am-9:39 am

2 stops23h 34m

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

7:45 pm-11:02 am

2 stops18h 17m

$642

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 2/18

10:20 pm-6:37 pm

2 stops17h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

6:00 am-9:07 pm

2 stops18h 07m

$673

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 2/4

1:04 pm-11:50 pm

1 stop7h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

9:29 am-9:07 pm

2 stops14h 38m

$706

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 2/4

5:05 am-12:02 pm

2 stops27h 57m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

9:25 am-8:50 pm

2 stops14h 25m

$724

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 11/26

11:44 am-11:59 pm

1 stop9h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

2:37 pm-11:02 am

2 stops23h 25m

$749

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 2/5

6:39 pm-9:17 pm

2 stops23h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

8:20 am-8:50 pm

2 stops15h 30m

$753

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 2/5

6:39 pm-9:17 pm

2 stops23h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

8:20 am-9:59 pm

2 stops16h 39m

$753

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 12/13

6:40 am-11:47 pm

2 stops14h 07m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 18 results
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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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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?

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 November 13, 2025.

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

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?

    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 $376 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

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Top 2 airlines flying from Ontario to Montreal

Discover the top 2 airlines that operate flights from Ontario to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$533FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$376Average$600FlexibilityNo cancel feeOn-time67%

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