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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 204

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Round-trip from

C$ 781

One-way from

C$ 204

Popular in

December

Cheapest in

March

Average price

C$ 527
Delta
  • Delta
  • 7/1-13/1
  • 4 total stops
  • 45h 16m total
  • Ontario to Montreal
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13/11
  • 13/11
  • 2 total stops
  • 15h 43m total
  • Ontario to Montreal
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Highest demand for flights based on searches. 18% potential increase in price (C$ 195 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 17 October 2025.

Fri 14/116:00 a.m.ONT - YUL
2 stops14h 42mDelta
Sat 22/117:10 a.m.YUL - ONT
2 stops17h 39mDelta
Deal found 15/10C$ 864
Wed 12/114:47 p.m.ONT - YUL
2 stops19h 31mAmerican Airlines
Sun 16/117:30 a.m.YUL - ONT
2 stops17h 29mAmerican Airlines
Deal found 15/10C$ 879
Fri 7/116:00 a.m.ONT - YUL
2 stops14h 21mDelta
Sat 15/117:10 a.m.YUL - ONT
2 stops17h 39mDelta
Deal found 15/10C$ 920
Fri 14/1112:55 p.m.ONT - YUL
2 stops20h 20mAmerican Airlines
Sun 23/117:30 a.m.YUL - ONT
2 stops13h 50mAmerican Airlines
Deal found 15/10C$ 941
Wed 26/1112:55 p.m.ONT - YUL
2 stops20h 34mAmerican Airlines
Wed 3/123:50 p.m.YUL - ONT
2 stops20h 03mAmerican Airlines
Deal found 14/10C$ 1,001
Thu 13/116:11 a.m.ONT - YUL
2 stops13h 48mAmerican Airlines
Sun 23/117:30 a.m.YUL - ONT
2 stops13h 50mAmerican Airlines
Deal found 15/10C$ 1,015
Fri 14/114:47 p.m.ONT - YUL
2 stops18h 02mAmerican Airlines
Sun 16/117:30 a.m.YUL - ONT
2 stops13h 50mAmerican Airlines
Deal found 16/10C$ 1,024
Thu 13/116:45 a.m.ONT - YUL
2 stops13h 57mDelta
Thu 20/1112:50 p.m.YUL - ONT
2 stops14h 02mDelta
Deal found 15/10C$ 1,074

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 629,999 searches. Data last updated 17 October 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

Wed 7/1

1:00 p.m.-8:47 a.m.

2 stops16h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

7:45 p.m.-11:38 a.m.

2 stops18h 53m

C$ 838

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 7/1

1:00 p.m.-8:47 a.m.

2 stops16h 47m

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

7:45 p.m.-9:14 p.m.

2 stops28h 29m

C$ 880

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 7/11

6:00 a.m.-11:21 p.m.

2 stops14h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

7:10 a.m.-9:49 p.m.

2 stops17h 39m

C$ 920

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 14/11

6:00 a.m.-11:42 p.m.

2 stops14h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

7:10 a.m.-9:49 p.m.

2 stops17h 39m

C$ 920

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/2

10:30 p.m.-6:49 p.m.

2 stops17h 19m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:00 a.m.-10:38 p.m.

2 stops19h 38m

C$ 972

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 7/1

5:05 a.m.-7:36 a.m.

2 stops23h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

6:00 a.m.-8:58 p.m.

2 stops17h 58m

C$ 996

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 4/1

11:59 p.m.-7:32 a.m.

2 stops28h 33m

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

7:10 p.m.-8:58 p.m.

2 stops28h 48m

C$ 1,026

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/2

1:52 p.m.-4:49 p.m.

1 stop23h 57m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

8:20 a.m.-9:59 p.m.

2 stops16h 39m

C$ 1,040

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 13/11

6:00 a.m.-12:43 a.m.

2 stops15h 43m

C$ 204

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 4/12

6:15 a.m.-12:43 a.m.

2 stops15h 28m

C$ 239

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/10

Showing 1-10 of 20 results
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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, February is the cheapest month in which you can book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 213). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 315). 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 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?

    If you book a flight to Montreal Pierre Elliott Trudeau Intl from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario. There are 0 flights from Ontario to Montreal Pierre Elliott Trudeau Intl per day from 0 different airlines.

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

    A quick flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport can take about 16h 47m. Delta provides one of the quickest options available for as low as C$ 838. Ontario and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 3899 km.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 213). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 315). 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

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Cornwall
Sherbrooke
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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How does Cheapflights help users find flights from Ontario to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Ontario to Pierre Elliott Trudeau Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Pierre Elliott Trudeau Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Ontario today and book when prices fit your budget.

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