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Pierre Elliott Trudeau Intl

$147+ Cheap flights from Ontario (ONT) to Pierre Elliott Trudeau Intl (YUL)

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheap flight deals from Ontario to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Pierre Elliott Trudeau Intl (YUL). 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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(Flightnetwork)

One-way from

$147
(Trip.com)

Popular in

January

Cheapest in

October

Average price

$527
Provider with most accurate pricing for Ontario-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-Montreal Pierre Elliott Trudeau Intl flights.
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From Ontario to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Ontario to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 25% potential increase in price ($169 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ontario to Pierre Elliott Trudeau Intl

Cheapest flights from Ontario to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Ontario to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/145:00 amONT - YUL
1 stop8h 59mAir Canada
Wed 4/238:05 amYUL - ONT
1 stop10h 12mAir Canada
Deal found 3/20$307
This American Airlines deal was found by Cheapflights users on 3/19. 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 4/1410:40 pmONT - YUL
1 stop11h 59mAmerican Airlines
Wed 4/232:30 pmYUL - ONT
1 stop9h 29mAmerican Airlines
Deal found 3/19$362
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 6/217:00 amONT - YUL
1 stop11h 29mUnited Airlines
Tue 6/248:05 amYUL - ONT
1 stop17h 40mUnited Airlines
Deal found 3/20$387
This Kissandfly.com deal was found by Cheapflights users on 3/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/144:35 pmONT - YUL
2 stops16h 45mBritish Airways
Wed 4/237:29 amYUL - ONT
1 stop16h 30mBritish Airways
Deal found 3/20$405
This Delta deal was found by Cheapflights users on 3/20. 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 5/286:00 amONT - YUL
2 stops14h 19mDelta
Sun 6/16:00 amYUL - ONT
2 stops10h 55mDelta
Deal found 3/20$428
This Mytrip deal was found by Cheapflights users on 3/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:00 amONT - YUL
2 stops28h 15mMultiple Airlines
Mon 10/274:29 pmYUL - ONT
3 stops27h 53mMultiple Airlines
Deal found 3/19$906
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2811:46 amONT - YUL
3 stops33h 57mWestJet
Sun 6/17:00 amYUL - ONT
2 stops14h 20mWestJet
Deal found 3/20$1,579

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Pierre Elliott Trudeau Intl 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 March 21, 2025.
Use the filters below to find and compare flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Ontario

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 4/14

5:00 am-4:59 pm

1 stop8h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 4/23

8:05 am-3:17 pm

1 stop10h 12m

$307

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 4/14

10:40 pm-1:39 pm

1 stop11h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 4/23

2:30 pm-8:59 pm

1 stop9h 29m

$362

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 6/21

1:36 pm-8:16 am

1 stop15h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 6/23

8:05 am-9:04 pm

1 stop15h 59m

$387

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 4/14

4:35 pm-12:20 pm

2 stops16h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 4/23

7:29 am-8:59 pm

1 stop16h 30m

$405

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 5/28

6:00 am-11:19 pm

2 stops14h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 6/1

6:00 am-1:55 pm

2 stops10h 55m

$428

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 5/28

9:23 pm-5:00 pm

2 stops16h 37m

Montreal Pierre Elliott Trudeau Intl

Sun 6/1

6:00 pm-6:20 pm

3 stops27h 20m

$913

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 5/28

11:46 am-12:43 am

3 stops33h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 6/1

7:00 am-6:20 pm

2 stops14h 20m

$1,579

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 4/10

3:02 pm-9:00 am

2 stops14h 58m

$147

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 5/28

11:59 pm-2:49 pm

1 stop11h 50m

$152

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 5/24

1:33 pm-11:26 pm

1 stop6h 53m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Pierre Elliott Trudeau Intl

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 Pierre Elliott Trudeau Intl in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport 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 YUL?

Find hourly flight availability from Ontario to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 21, 2025.

One of the essential ways to save on airfare from Ontario to Montreal Pierre Elliott Trudeau Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, 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 Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated March 21, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Ontario to Montreal have to say. 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
7,895 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

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
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

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
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

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
7,895 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

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
2,783 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

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
7.0
Good
8,914 reviews
Delta
8.0
Very good
7,895 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

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 Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl?

    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 Pierre Elliott Trudeau Intl. 4 airlines have flights from Ontario to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Ontario to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

  • What are the cheapest airlines flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Air Canada, at $307, was found to be the cheapest airline from Ontario to Montreal Pierre Elliott Trudeau Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Delta. You may be able to fly from Ontario to Montreal Pierre Elliott Trudeau Intl Airport for 38% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ontario to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    $152 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $154 and $165, respectively.

  • Can I find deals for flights from Ontario to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Ontario to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Ontario to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Laval
Dorval
Brossard
Longueuil
Sherbrooke
Bromont

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Alternative routes for Ontario to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Pierre Elliott Trudeau Intl

Discover the top 4 airlines that operate flights from Ontario to Pierre Elliott Trudeau Intl. 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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$133Average$436FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$137Average$376FlexibilityNo cancel feeOn-time67%
DeltaCheapest$347Average$439FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$358Average$375FlexibilityNo cancel feeOn-time69%
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