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$217+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Ontario (ONT)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ONT
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Pierre Elliott Trudeau Intl to Ontario

Cheapest flights from Pierre Elliott Trudeau Intl to Ontario
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 11/177:35 pmYUL - ONT
2 stops18h 31mDelta
Wed 2/1810:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$482
This Delta deal was found by Cheapflights users on 10/27. 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 11/129:26 amYUL - ONT
2 stops16h 38mDelta
Mon 2/2310:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$528
This Delta deal was found by Cheapflights users on 10/27. 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 11/187:35 pmYUL - ONT
2 stops27h 07mDelta
Tue 2/241:00 pmONT - YUL
2 stops16h 47mDelta
Deal found 10/27$531
This Delta deal was found by Cheapflights users on 10/26. 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 12/257:00 amYUL - ONT
2 stops15h 50mDelta
Thu 1/81:04 pmONT - YUL
2 stops16h 40mDelta
Deal found 10/26$562
This Delta deal was found by Cheapflights users on 10/27. 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 11/129:26 amYUL - ONT
2 stops16h 38mDelta
Sat 2/2110:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$578
This Delta deal was found by Cheapflights users on 10/27. 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 11/187:35 pmYUL - ONT
2 stops27h 07mDelta
Sat 2/2110:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$580
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 11/152:35 pmYUL - ONT
1 stop10h 31mDelta
Wed 2/1810:30 pmONT - YUL
2 stops17h 19mDelta
Deal found 10/27$593
This Delta deal was found by Cheapflights users on 10/27. 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 11/187:10 amYUL - ONT
2 stops12h 59mDelta
Thu 11/2010:25 pmONT - YUL
1 stop10h 15mDelta
Deal found 10/27$632
This Delta deal was found by Cheapflights users on 10/27. 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 11/1812:45 pmYUL - ONT
1 stop13h 19mDelta
Fri 2/2010:30 pmONT - YUL
1 stop10h 14mDelta
Deal found 10/27$643
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/174:00 pmYUL - ONT
2 stops29h 20mAmerican Airlines
Fri 2/2012:26 pmONT - YUL
2 stops23h 43mAmerican Airlines
Deal found 10/27$648
This Delta deal was found by Cheapflights users on 10/27. 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 12/1912:40 pmYUL - ONT
1 stop13h 24mDelta
Thu 1/81:04 pmONT - YUL
2 stops16h 40mDelta
Deal found 10/27$652

Cheap flight deals from Pierre Elliott Trudeau Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Ontario (ONT). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$482
(Delta)

One-way from

$217
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$1,005
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Ontario flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Ontario flights.
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From Montreal Pierre Elliott Trudeau Intl to Ontario
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Ontario 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 October 28, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Ontario

Route

Depart

Return

Price

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

7:35 pm-11:06 am

2 stops18h 31m

Ontario

Tue 2/24

10:30 pm-6:49 pm

2 stops17h 19m

$482

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

7:45 pm-11:38 am

2 stops18h 53m

Ontario

Tue 2/24

1:00 pm-8:47 am

2 stops16h 47m

$482

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 11/12

9:26 am-11:04 pm

2 stops16h 38m

Ontario

Wed 2/18

10:30 pm-6:49 pm

2 stops17h 19m

$528

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 11/13

7:35 pm-7:42 pm

2 stops27h 07m

Ontario

Tue 2/24

10:30 pm-6:49 pm

2 stops17h 19m

$528

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

7:35 pm-11:06 am

2 stops18h 31m

Ontario

Thu 2/19

10:30 pm-6:49 pm

2 stops17h 19m

$531

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

7:35 pm-7:42 pm

2 stops27h 07m

Ontario

Wed 2/18

1:00 pm-11:54 pm

1 stop7h 54m

$563

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 11/14

7:35 pm-10:06 pm

2 stops29h 31m

Ontario

Thu 2/19

10:30 pm-6:49 pm

2 stops17h 19m

$578

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 11/14

7:35 pm-10:06 pm

2 stops29h 31m

Ontario

Sat 2/21

10:30 pm-6:49 pm

2 stops17h 19m

$578

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 11/13

9:26 am-11:04 pm

2 stops16h 38m

Ontario

Thu 2/19

10:30 pm-6:49 pm

2 stops17h 19m

$578

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 12/10

6:45 am-9:17 pm

2 stops17h 32m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 19 results
1
2

Compare providers for flights from Pierre Elliott Trudeau Intl to Ontario

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

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

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

Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario (average of $134). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ontario in December is currently the most expensive (average of $238). 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 Pierre Elliott Trudeau Intl to Ontario. 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 into for flights to Ontario from Montreal Pierre Elliott Trudeau Intl?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Montreal Pierre Elliott Trudeau Intl. On average, Ontario has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario can take about 18h 31m. Delta provides one of the quickest options available for as low as $482. The distance between Montreal Pierre Elliott Trudeau Intl Airport and Ontario is about 2423 mi.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario (average of $134). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ontario in December is currently the most expensive (average of $238). 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.

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