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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 259

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
12 Dec — 19 Dec1
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 12 November 2025.

Round-trip from

C$ 780

One-way from

C$ 259

Popular in

December

Cheapest in

March

Average price

C$ 665
Delta
  • Delta
  • 2/2-23/2
  • 4 total stops
  • 46h 37m total
  • Ontario to Montreal
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17/12
  • 17/12
  • 2 total stops
  • 21h 50m total
  • Ontario to Montreal
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Highest demand for flights based on searches. 18% potential increase in price (C$ 202 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 57 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 12 November 2025.

Thu 27/117:05 a.m.ONT - YUL
2 stops23h 34mDelta
Fri 5/127:45 p.m.YUL - ONT
2 stops18h 17mDelta
Deal found 12/11C$ 900
Thu 27/1112:55 p.m.ONT - YUL
2 stops23h 14mAmerican Airlines
Tue 2/124:00 p.m.YUL - ONT
2 stops19h 53mAmerican Airlines
Deal found 12/11C$ 1,007
Wed 26/1111:44 a.m.ONT - YUL
1 stop9h 15mDelta
Fri 5/122:37 p.m.YUL - ONT
2 stops23h 25mDelta
Deal found 12/11C$ 1,050
Thu 27/1112:16 p.m.ONT - YUL
2 stops18h 23mDelta
Sat 6/126:00 a.m.YUL - ONT
2 stops18h 55mDelta
Deal found 12/11C$ 1,064
Thu 27/1112:16 p.m.ONT - YUL
2 stops18h 23mDelta
Wed 3/127:45 p.m.YUL - ONT
2 stops30h 19mDelta
Deal found 12/11C$ 1,070
Mon 22/126:00 p.m.ONT - YUL
2 stops12h 20mMultiple Airlines
Sun 4/16:45 a.m.YUL - ONT
2 stops17h 42mMultiple Airlines
Deal found 11/11C$ 1,084
Wed 26/114:49 p.m.ONT - YUL
2 stops23h 58mDelta
Wed 3/126:00 a.m.YUL - ONT
2 stops20h 58mDelta
Deal found 12/11C$ 1,087
Sun 23/1110:25 p.m.ONT - YUL
2 stops17h 15mDelta
Fri 5/122:37 p.m.YUL - ONT
2 stops23h 25mDelta
Deal found 12/11C$ 1,109
Wed 26/111:20 p.m.ONT - YUL
2 stops27h 27mDelta
Tue 2/126:00 a.m.YUL - ONT
2 stops20h 58mDelta
Deal found 12/11C$ 1,115
Fri 28/116:00 a.m.ONT - YUL
2 stops10h 51mDelta
Fri 5/122:37 p.m.YUL - ONT
2 stops23h 25mDelta
Deal found 12/11C$ 1,133
Mon 24/1110:25 p.m.ONT - YUL
1 stop10h 15mDelta
Fri 5/122:37 p.m.YUL - ONT
2 stops23h 25mDelta
Deal found 12/11C$ 1,140

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 12 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

Mon 2/2

10:30 p.m.-6:37 p.m.

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

2:29 p.m.-11:59 a.m.

2 stops24h 30m

C$ 780

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/2

10:30 p.m.-6:37 p.m.

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

9:29 a.m.-11:59 a.m.

2 stops29h 30m

C$ 780

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/2

10:20 p.m.-6:37 p.m.

2 stops17h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:00 a.m.-9:07 p.m.

2 stops18h 07m

C$ 944

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 4/2

1:04 p.m.-11:50 p.m.

1 stop7h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

9:29 a.m.-9:07 p.m.

2 stops14h 38m

C$ 990

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/12

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

2 stops23h 27m

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

8:00 p.m.-10:49 p.m.

3 stops29h 49m

C$ 1,018

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 3/2

5:05 a.m.-11:35 a.m.

2 stops27h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

5:50 p.m.-12:38 p.m.

1 stop21h 48m

C$ 1,028

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 5/2

6:39 p.m.-9:17 p.m.

2 stops23h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

8:20 a.m.-8:50 p.m.

2 stops15h 30m

C$ 1,056

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 5/2

6:39 p.m.-9:17 p.m.

2 stops23h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

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

2 stops16h 39m

C$ 1,056

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 6/1

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

2 stops23h 27m

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

5:50 p.m.-11:18 a.m.

1 stop20h 28m

C$ 1,068

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 17/12

6:15 a.m.-7:05 a.m.

2 stops21h 50m

C$ 259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 18 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$ 314). 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 17h 07m. Delta provides one of the quickest options available for as low as C$ 780. 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$ 314). 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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How does Cheapflights help users find flights from Ontario to Pierre Elliott Trudeau Intl?

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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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