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$130+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YMQ
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$530
(American Airlines)

One-way from

$130
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$523
Provider with most accurate pricing for Ontario-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Montreal (YMQ) flights.
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From Ontario to Montreal (YMQ)
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One-way flight from Ontario to Montreal (YMQ)
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Highest demand for flights based on searches. 16% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This American Airlines deal was found by Cheapflights users on 1/12. 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.
Tue 2/175:02 pm
ONT
-
YUL
2 stops16h 22m
American Airlines
Tue 2/243:45 pm
YUL
-
ONT
2 stops21h 21m
American Airlines
Deal found 1/12$530
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Sun 2/1510:37 pm
ONT
-
YUL
1 stop21h 07m
American Airlines
Wed 2/187:12 am
YUL
-
ONT
2 stops18h 07m
American Airlines
Deal found 1/14$586
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:49 pm
ONT
-
YUL
1 stop18h 58m
Multiple Airlines
Sun 4/266:00 pm
YUL
-
ONT
1 stop26h 47m
Multiple Airlines
Deal found 1/13$649
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Fri 2/1310:37 pm
ONT
-
YUL
1 stop12h 08m
American Airlines
Sat 2/217:30 am
YUL
-
ONT
2 stops14h 39m
American Airlines
Deal found 1/14$657
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:05 am
ONT
-
YUL
2 stops20h 35m
United Airlines
Sun 4/266:00 pm
YUL
-
ONT
1 stop18h 56m
United Airlines
Deal found 1/13$659
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
ONT
-
YUL
1 stop11h 15m
United Airlines
Sun 5/178:05 am
YUL
-
ONT
1 stop28h 38m
United Airlines
Deal found 1/14$664
This American Airlines deal was found by Cheapflights users on 1/12. 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.
Mon 2/166:00 am
ONT
-
YUL
2 stops13h 44m
American Airlines
Tue 2/177:12 am
YUL
-
ONT
2 stops14h 57m
American Airlines
Deal found 1/12$667
This Air Canada deal was found by Cheapflights users on 1/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:49 pm
ONT
-
YUL
1 stop18h 58m
Multiple Airlines
Mon 4/276:00 pm
YUL
-
ONT
1 stop18h 56m
Multiple Airlines
Deal found 1/12$672
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1211:59 pm
ONT
-
YUL
2 stops18h 13m
United Airlines
Mon 3/163:30 pm
YUL
-
ONT
2 stops24h 19m
United Airlines
Deal found 1/13$678

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 January 14, 2026.
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

Sun 2/15

10:37 pm-10:44 pm

1 stop21h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 2/18

7:12 am-10:19 pm

2 stops18h 07m

$586

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 4/22

11:05 am-10:40 am

2 stops20h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

6:00 pm-9:56 am

1 stop18h 56m

$659

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 5/13

6:00 am-8:15 pm

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 5/21

8:05 am-5:47 pm

1 stop12h 42m

$663

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 2/13

11:58 pm-1:45 pm

2 stops10h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

7:12 am-7:09 pm

2 stops14h 57m

$663

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 5/14

6:00 am-8:15 pm

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 5/17

8:05 am-9:43 am

1 stop28h 38m

$664

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/16

6:00 am-10:44 pm

2 stops13h 44m

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

7:12 am-7:09 pm

2 stops14h 57m

$667

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

11:59 pm-9:12 pm

2 stops18h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

3:30 pm-12:49 pm

2 stops24h 19m

$678

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 5/12

6:00 am-8:15 pm

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 5/17

8:05 am-5:47 pm

1 stop12h 42m

$686

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 1/31

1:24 pm-7:32 am

2 stops15h 08m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

8:20 am-8:58 pm

2 stops15h 38m

$688

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 2/18

12:18 pm-3:04 pm

2 stops23h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 2/22

2:25 pm-8:49 am

2 stops21h 24m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 23 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 January.
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 $259). 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.

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 American Airlines and United Airlines fly from Ontario to Montreal in about 20h 35m. The time it takes to get you to your destination can typically vary by up to 32m. 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 $259). 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$614FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$419Average$600FlexibilityNo cancel feeOn-time67%

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