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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 206

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
29 May — 5 Jun1
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 29 April 2026.

Sat 23/510:00 p.m.
ONT
-
YUL
1 stop10h 35m
Delta
Fri 29/59:30 a.m.
YUL
-
ONT
2 stops15h 18m
Delta
Deal found 25/4C$ 787
Tue 23/67:13 p.m.
ONT
-
YUL
2 stops13h 29m
American Airlines
Tue 30/67:29 a.m.
YUL
-
ONT
2 stops13h 52m
American Airlines
Deal found 28/4C$ 807
Mon 11/511:59 p.m.
ONT
-
YUL
2 stops10h 53m
American Airlines
Wed 20/52:32 p.m.
YUL
-
ONT
1 stop9h 35m
American Airlines
Deal found 27/4C$ 815
Fri 29/510:00 p.m.
ONT
-
YUL
1 stop10h 35m
Delta
Thu 4/612:40 p.m.
YUL
-
ONT
1 stop8h 56m
Delta
Deal found 28/4C$ 826
Mon 11/56:00 a.m.
ONT
-
YUL
2 stops11h 41m
Air Canada
Wed 20/511:10 a.m.
YUL
-
ONT
2 stops12h 26m
Air Canada
Deal found 27/4C$ 837
Sat 16/512:07 p.m.
ONT
-
YUL
1 stop8h 50m
Delta
Fri 22/512:40 p.m.
YUL
-
ONT
1 stop8h 56m
Delta
Deal found 25/4C$ 839
Sat 20/65:45 a.m.
ONT
-
YUL
2 stops13h 21m
United Airlines
Thu 2/79:45 a.m.
YUL
-
ONT
2 stops13h 57m
United Airlines
Deal found 28/4C$ 850
Sat 16/512:07 p.m.
ONT
-
YUL
1 stop8h 50m
Delta
Thu 21/59:30 a.m.
YUL
-
ONT
2 stops15h 18m
Delta
Deal found 25/4C$ 851
Sat 6/65:00 a.m.
ONT
-
YUL
2 stops14h 06m
United Airlines
Tue 9/64:55 p.m.
YUL
-
ONT
1 stop8h 51m
United Airlines
Deal found 24/4C$ 852
Tue 26/511:59 p.m.
ONT
-
YUL
1 stop11h 45m
American Airlines
Fri 29/53:48 p.m.
YUL
-
ONT
1 stop20h 43m
American Airlines
Deal found 29/4C$ 854

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 29 April 2026.

Round-trip from

C$ 787

One-way from

C$ 206

Popular in

March

Cheapest in

October

Average price

C$ 639
Delta
  • Delta
  • 23/5-29/5
  • 3 total stops
  • 25h 53m total
  • Ontario to Montreal
Search Deals
25/5
  • 25/5
  • 2 total stops
  • 14h 45m total
  • Ontario to Montreal
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 29 April 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

Cheapest round-trip
Quickest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 17/5

12:07 p.m.-11:57 p.m.

1 stop8h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

12:40 p.m.-9:48 p.m.

1 stop12h 08m

C$ 839

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 17/5

12:07 p.m.-11:57 p.m.

1 stop8h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

12:40 p.m.-9:48 p.m.

1 stop12h 08m

C$ 839

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 20/6

5:00 a.m.-12:13 a.m.

2 stops16h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

4:55 p.m.-10:51 p.m.

1 stop8h 56m

C$ 850

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 6/6

5:45 a.m.-10:06 p.m.

2 stops13h 21m

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

4:55 p.m.-10:46 p.m.

1 stop8h 51m

C$ 851

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 23/5

10:00 p.m.-11:35 a.m.

1 stop10h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

7:10 a.m.-4:17 p.m.

2 stops12h 07m

C$ 851

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 13/5

12:08 p.m.-11:57 p.m.

1 stop8h 49m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

7:10 a.m.-10:45 p.m.

2 stops18h 35m

C$ 851

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 12/6

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

2 stops14h 42m

Montreal Pierre Elliott Trudeau Intl

Fri 19/6

9:30 a.m.-9:48 p.m.

2 stops15h 18m

C$ 874
Cheapest one-way

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 16/5

10:00 p.m.-11:35 a.m.

1 stop10h 35m

C$ 378

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 25/5

12:07 p.m.-11:57 p.m.

1 stop8h 50m

C$ 378
Quickest one-way

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 29/7

6:30 a.m.-5:30 p.m.

1 stop8h 00m

C$ 417

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.

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 8h 50m. Delta provides one of the quickest options available for as low as C$ 839. 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.

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
Trois-Rivières
Sherbrooke
Brossard
Montebello
Cornwall
Longueuil
Boucherville
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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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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