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$186+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YMQ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$365
(American Airlines)

One-way from

$186
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$490
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. 18% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 9/212:22 pmONT - YUL
2 stops20h 23mAmerican Airlines
Wed 9/33:44 pmYUL - ONT
2 stops23h 12mAmerican Airlines
Deal found 6/10$365
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 7/1510:05 pmONT - YUL
2 stops20h 23mDelta
Wed 7/236:00 amYUL - ONT
2 stops19h 27mDelta
Deal found 6/12$517
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/26:50 pmONT - YUL
2 stops17h 36mUnited Airlines
Wed 9/36:30 pmYUL - ONT
1 stop20h 43mUnited Airlines
Deal found 6/10$620
This Air Canada deal was found by Cheapflights users on 6/10. 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 8/286:00 amONT - YUL
1 stop11h 05mMultiple Airlines
Tue 9/28:05 amYUL - ONT
1 stop15h 28mMultiple Airlines
Deal found 6/10$710
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Fri 8/296:38 pmONT - YUL
2 stops16h 14mAir Canada
Sat 8/304:05 pmYUL - ONT
1 stop7h 38mAir Canada
Deal found 6/10$737

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 June 12, 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

Tue 9/2

12:22 pm-11:45 am

2 stops20h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 9/3

3:44 pm-11:56 am

2 stops23h 12m

$365

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 7/15

10:05 pm-9:28 pm

2 stops20h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 7/23

6:00 am-10:27 pm

2 stops19h 27m

$517

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/2

6:50 pm-3:26 pm

2 stops17h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 9/3

6:30 pm-12:13 pm

1 stop20h 43m

$620

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 8/28

6:00 am-8:05 pm

1 stop11h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 9/2

8:05 am-8:33 pm

1 stop15h 28m

$710

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 8/29

6:38 pm-1:52 pm

2 stops16h 14m

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

4:05 pm-8:43 pm

1 stop7h 38m

$737

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 7/3

6:00 am-9:17 pm

2 stops12h 17m

$186

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 7/4

6:23 am-3:24 pm

2 stops30h 01m

$246

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/9

1:42 pm-8:16 am

1 stop15h 34m

$293

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 6/18

5:10 am-6:21 pm

2 stops10h 11m

$521

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 6/30

11:49 am-12:37 am

2 stops9h 48m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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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, January is the cheapest month in which you can book a flight from Ontario to Montreal (average of $270). Flying from Ontario to Montreal in July is currently the most expensive (average of $409). 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Montreal at noon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the afternoon.

Rainfall in Montreal by month

Plan your trip to Montreal by taking into account the average rainfall totals by month.

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.

Temperature in Montreal by month

Plan your trip to Montreal by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Ontario to Montreal to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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. 3 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.

  • What are the cheapest airlines flying from Ontario to Montreal round-trip?

    Flying on American Airlines is currently your cheapest option to Montreal, with prices starting at $365. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $513 and $620, respectively.

  • What are the cheapest airlines to fly from Ontario to Montreal one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $246. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from Ontario to Montreal for a low price.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Montreal (average of $270). Flying from Ontario to Montreal in July is currently the most expensive (average of $409). 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 3 airlines flying from Ontario to Montreal

Discover the top 3 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$176Average$422FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$219Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$347Average$439FlexibilityNo cancel feeOn-timeN/A

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