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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 152

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

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 26 November 2025.

Round-trip from

C$ 873

One-way from

C$ 152

Popular in

December

Cheapest in

March

Average price

C$ 677
8/1-15/1
  • 8/1-15/1
  • 3 total stops
  • 53h 55m total
  • Ontario to Montreal
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12/1
  • 12/1
  • 2 total stops
  • 13h 31m total
  • Ontario to Montreal
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Highest demand for flights based on searches. 20% potential increase in price (C$ 235 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 56 potential savings vs. average RT price).
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Average for round-trip flights in November 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 26 November 2025.

Fri 12/125:05 a.m.ONT - YUL
2 stops13h 37mUnited Airlines
Sun 21/126:00 a.m.YUL - ONT
1 stop19h 25mUnited Airlines
Deal found 26/11C$ 1,136
Thu 18/1210:40 p.m.ONT - YUL
1 stop20h 59mAmerican Airlines
Wed 24/127:08 a.m.YUL - ONT
1 stop16h 50mAmerican Airlines
Deal found 25/11C$ 1,195
Tue 23/1211:59 p.m.ONT - YUL
1 stop7h 11mUnited Airlines
Tue 30/125:25 p.m.YUL - ONT
1 stop22h 13mUnited Airlines
Deal found 25/11C$ 1,225
Thu 18/125:05 a.m.ONT - YUL
1 stop8h 53mAir Canada
Wed 24/1212:10 p.m.YUL - ONT
2 stops11h 57mAir Canada
Deal found 25/11C$ 1,227
Thu 18/125:05 a.m.ONT - YUL
1 stop8h 53mUnited Airlines
Wed 24/125:25 p.m.YUL - ONT
1 stop30h 42mUnited Airlines
Deal found 25/11C$ 1,233
Sat 6/1210:34 p.m.ONT - YUL
1 stop12h 15mAmerican Airlines
Tue 9/1212:59 p.m.YUL - ONT
2 stops22h 54mAmerican Airlines
Deal found 25/11C$ 1,244
Wed 24/125:05 a.m.ONT - YUL
1 stop8h 53mUnited Airlines
Mon 29/125:25 p.m.YUL - ONT
1 stop30h 42mUnited Airlines
Deal found 25/11C$ 1,246

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 26 November 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

Thu 8/1

8:14 p.m.-12:43 a.m.

2 stops25h 29m

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

6:45 p.m.-8:11 p.m.

1 stop28h 26m

C$ 873

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 21/1

5:05 a.m.-7:32 a.m.

2 stops23h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

5:30 p.m.-9:58 p.m.

2 stops31h 28m

C$ 926

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 20/1

4:45 p.m.-3:08 p.m.

2 stops19h 23m

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

3:50 p.m.-9:08 a.m.

2 stops20h 18m

C$ 934

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 20/1

8:00 a.m.-12:02 p.m.

2 stops25h 02m

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

5:30 p.m.-9:58 p.m.

2 stops31h 28m

C$ 965

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 12/3

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

2 stops16h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

5:30 p.m.-12:49 p.m.

2 stops22h 19m

C$ 986

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 9/1

5:05 a.m.-12:02 p.m.

2 stops27h 57m

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

5:50 p.m.-12:17 p.m.

1 stop21h 27m

C$ 1,043

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/1

10:40 p.m.-1:46 p.m.

1 stop12h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

3:50 p.m.-9:08 a.m.

2 stops20h 18m

C$ 1,048

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 9/4

1:33 p.m.-10:37 a.m.

2 stops18h 04m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

9:15 a.m.-8:46 p.m.

2 stops14h 31m

C$ 1,067

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 12/3

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

2 stops14h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

12:55 p.m.-11:54 p.m.

2 stops13h 59m

C$ 1,072

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 12/1

2:34 p.m.-7:05 a.m.

2 stops13h 31m

C$ 152

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/11

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$ 214). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 316). 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 19h 23m. United Airlines provides one of the quickest options available for as low as C$ 934. Ontario and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 3899 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 214). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 316). 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
Montebello
Trois-Rivières
Brossard
Longueuil
Boucherville
Drummondville
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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Fly with Cheapflights

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

Cheapflights helps you search for flights from Ontario to Pierre Elliott Trudeau Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Pierre Elliott Trudeau Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Pierre Elliott Trudeau Intl.

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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