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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 191

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
1 Apr — 8 Apr1
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 2 March 2026.

Sat 9/54:52 p.m.
ONT
-
YUL
2 stops15h 52m
American Airlines
Fri 15/53:45 p.m.
YUL
-
ONT
1 stop21h 24m
American Airlines
Deal found 27/2C$ 801
Wed 22/44:52 p.m.
ONT
-
YUL
2 stops18h 00m
American Airlines
Sun 26/47:29 a.m.
YUL
-
ONT
1 stop16h 38m
American Airlines
Deal found 28/2C$ 828
Thu 9/410:26 p.m.
ONT
-
YUL
1 stop21h 32m
American Airlines
Wed 15/47:29 a.m.
YUL
-
ONT
1 stop16h 38m
American Airlines
Deal found 27/2C$ 829
Sun 12/47:35 p.m.
ONT
-
YUL
2 stops16h 09m
American Airlines
Sat 18/47:45 a.m.
YUL
-
ONT
2 stops14h 49m
American Airlines
Deal found 1/3C$ 836
Thu 9/42:08 p.m.
ONT
-
YUL
1 stop21h 36m
American Airlines
Mon 13/43:45 p.m.
YUL
-
ONT
1 stop21h 24m
American Airlines
Deal found 26/2C$ 852
Thu 9/47:00 a.m.
ONT
-
YUL
1 stop11h 26m
United Airlines
Mon 13/45:00 p.m.
YUL
-
ONT
1 stop8h 31m
United Airlines
Deal found 1/3C$ 855
Thu 9/410:25 p.m.
ONT
-
YUL
1 stop10h 12m
Delta
Mon 13/49:30 a.m.
YUL
-
ONT
2 stops14h 30m
Delta
Deal found 1/3C$ 856
Wed 1/45:10 a.m.
ONT
-
YUL
2 stops16h 03m
United Airlines
Sun 5/49:45 a.m.
YUL
-
ONT
1 stop15h 46m
United Airlines
Deal found 26/2C$ 867

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 2 March 2026.

Round-trip from

C$ 801

One-way from

C$ 191

Popular in

January

Cheapest in

March

Average price

C$ 417
American Airlines
  • American Airlines
  • 9/5-15/5
  • 3 total stops
  • 37h 16m total
  • Ontario to Montreal
Search Deals
13/4
  • 13/4
  • 2 total stops
  • 19h 10m total
  • Ontario to Montreal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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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 2 March 2026.
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

Fly to

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 12/4

2:08 p.m.-2:44 p.m.

1 stop21h 36m

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

7:45 a.m.-7:34 p.m.

2 stops14h 49m

C$ 828

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 21/3

11:59 p.m.-9:17 p.m.

1 stop18h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

6:00 a.m.-10:18 p.m.

1 stop19h 18m

C$ 855

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 9/4

10:25 p.m.-11:37 a.m.

1 stop10h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

9:30 a.m.-9:00 p.m.

2 stops14h 30m

C$ 856

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 12/4

7:35 p.m.-11:44 a.m.

2 stops13h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

3:45 p.m.-11:46 p.m.

1 stop11h 01m

C$ 867

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 1/4

5:10 a.m.-12:13 a.m.

2 stops16h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

9:45 a.m.-10:31 p.m.

1 stop15h 46m

C$ 867

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 9/4

1:27 p.m.-10:40 a.m.

2 stops18h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

6:10 a.m.-9:50 p.m.

2 stops18h 40m

C$ 876

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 26/3

11:59 p.m.-2:00 p.m.

1 stop11h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

9:45 a.m.-10:26 p.m.

1 stop15h 41m

C$ 918

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 7/4

5:10 a.m.-4:52 p.m.

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

5:00 p.m.-10:31 p.m.

1 stop8h 31m

C$ 957

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 16/3

10:25 p.m.-6:35 p.m.

2 stops17h 10m

C$ 336

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 24/3

10:25 p.m.-6:35 p.m.

2 stops17h 10m

C$ 389

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/2

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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$ 206). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 383). 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 10h 12m. American Airlines provides one of the quickest options available for as low as C$ 856. 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$ 206). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 383). 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
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Montebello
Brossard
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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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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