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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 168

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 December 2025.

Wed 31/124:47 p.m.ONT - YUL
2 stops19h 37mAmerican Airlines
Wed 7/13:50 p.m.YUL - ONT
2 stops20h 18mAmerican Airlines
Deal found 1/12C$ 1,041
Thu 25/125:05 a.m.ONT - YUL
2 stops13h 11mUnited Airlines
Mon 5/15:25 p.m.YUL - ONT
1 stop30h 33mUnited Airlines
Deal found 2/12C$ 1,264
Mon 29/1211:59 p.m.ONT - YUL
1 stop11h 01mUnited Airlines
Mon 5/14:45 p.m.YUL - ONT
1 stop8h 40mUnited Airlines
Deal found 1/12C$ 1,280
Sat 27/125:05 a.m.ONT - YUL
1 stop8h 53mAir Canada
Sat 10/18:10 a.m.YUL - ONT
2 stops15h 48mAir Canada
Deal found 1/12C$ 1,338
Fri 26/1211:59 p.m.ONT - YUL
1 stop11h 01mUnited Airlines
Wed 31/126:00 a.m.YUL - ONT
1 stop19h 25mUnited Airlines
Deal found 1/12C$ 1,340
Sun 7/1210:25 p.m.ONT - YUL
2 stops17h 29mDelta
Thu 11/1212:40 p.m.YUL - ONT
1 stop9h 59mDelta
Deal found 1/12C$ 1,346
Wed 17/125:05 a.m.ONT - YUL
2 stops13h 37mUnited Airlines
Sat 20/126:00 a.m.YUL - ONT
1 stop19h 25mUnited Airlines
Deal found 2/12C$ 1,354
Wed 17/125:05 a.m.ONT - YUL
2 stops13h 12mUnited Airlines
Tue 23/126:00 a.m.YUL - ONT
2 stops18h 07mUnited Airlines
Deal found 3/12C$ 1,361
Wed 17/125:05 a.m.ONT - YUL
2 stops13h 37mUnited Airlines
Sun 21/126:00 a.m.YUL - ONT
1 stop19h 25mUnited Airlines
Deal found 3/12C$ 1,415
Wed 17/126:00 a.m.ONT - YUL
1 stop7h 50mUnited Airlines
Mon 22/124:45 p.m.YUL - ONT
1 stop8h 40mUnited Airlines
Deal found 3/12C$ 1,416
Mon 22/126:00 a.m.ONT - YUL
2 stops15h 35mMultiple Airlines
Sat 3/16:45 a.m.YUL - ONT
2 stops12h 46mMultiple Airlines
Deal found 30/11C$ 1,417

Find 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 3 December 2025.

Round-trip from

C$ 500

One-way from

C$ 168

Popular in

December

Cheapest in

March

Average price

C$ 1,059
16/1-23/1
  • 16/1-23/1
  • 4 total stops
  • 54h 19m total
  • Ontario to Montreal
Search Deals
15/12
  • 15/12
  • 2 total stops
  • 15h 20m total
  • Ontario to Montreal
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 233 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 3 December 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

Sat 24/1

7:30 a.m.-11:12 p.m.

2 stops12h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

7:00 a.m.-10:51 p.m.

2 stops18h 51m

C$ 750

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/2

6:10 a.m.-3:05 p.m.

2 stops29h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

3:55 p.m.-11:37 a.m.

2 stops22h 42m

C$ 760

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 17/1

3:09 p.m.-3:08 p.m.

2 stops20h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

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

2 stops20h 18m

C$ 765

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 23/1

12:41 p.m.-1:31 p.m.

2 stops21h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

7:30 p.m.-9:05 p.m.

2 stops28h 35m

C$ 817

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 8/1

12:41 p.m.-8:44 a.m.

2 stops17h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

2:40 p.m.-12:16 p.m.

2 stops24h 36m

C$ 866

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 15/2

5:00 a.m.-9:17 p.m.

2 stops13h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

6:00 a.m.-8:50 p.m.

2 stops17h 50m

C$ 901

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 16/1

10:30 p.m.-1:32 p.m.

1 stop12h 02m

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

2:15 p.m.-11:31 a.m.

2 stops24h 16m

C$ 940

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 16/1

2:34 p.m.-12:43 a.m.

3 stops31h 09m

C$ 252

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 14/2

5:00 a.m.-9:17 p.m.

2 stops13h 17m

C$ 341

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 20/1

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

2 stops17h 07m

C$ 346

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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$ 313). 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 12h 42m. Delta provides one of the quickest options available for as low as C$ 750. 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$ 213). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 313). 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
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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