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Cheap flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport from C$ 254

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YUL
17 Jun — 24 Jun1
1 adult

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 June 2025.

Round-trip from

C$ 499

One-way from

C$ 254

Popular in

January

Cheapest in

October

Average price

C$ 670
American Airlines
  • American Airlines
  • 2/9-3/9
  • 4 total stops
  • 43h 35m total
  • Ontario to Montreal
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3/7
  • 3/7
  • 2 total stops
  • 12h 17m total
  • Ontario to Montreal
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 306 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 83 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Pierre Elliott Trudeau Intl

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 June 2025.

Tue 2/912:22 p.m.ONT - YUL
2 stops20h 23mAmerican Airlines
Wed 3/93:44 p.m.YUL - ONT
2 stops23h 12mAmerican Airlines
Deal found 10/6C$ 499
Tue 15/710:05 p.m.ONT - YUL
2 stops20h 23mDelta
Wed 23/76:00 a.m.YUL - ONT
2 stops19h 27mDelta
Deal found 12/6C$ 707
Tue 2/96:50 p.m.ONT - YUL
2 stops17h 36mUnited Airlines
Wed 3/96:30 p.m.YUL - ONT
1 stop20h 43mUnited Airlines
Deal found 10/6C$ 848
Thu 28/86:00 a.m.ONT - YUL
1 stop11h 05mMultiple Airlines
Tue 2/98:05 a.m.YUL - ONT
1 stop15h 28mMultiple Airlines
Deal found 10/6C$ 971
Fri 29/86:38 p.m.ONT - YUL
2 stops16h 14mAir Canada
Sat 30/84:05 p.m.YUL - ONT
1 stop7h 38mAir Canada
Deal found 10/6C$ 1,008

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 June 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

Tue 2/9

12:22 p.m.-11:45 a.m.

2 stops20h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

3:44 p.m.-11:56 a.m.

2 stops23h 12m

C$ 499

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 15/7

10:05 p.m.-9:28 p.m.

2 stops20h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 23/7

6:00 a.m.-10:27 p.m.

2 stops19h 27m

C$ 707

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/9

6:50 p.m.-3:26 p.m.

2 stops17h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

6:30 p.m.-12:13 p.m.

1 stop20h 43m

C$ 848

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 28/8

6:00 a.m.-8:05 p.m.

1 stop11h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

8:05 a.m.-8:33 p.m.

1 stop15h 28m

C$ 971

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 29/8

6:38 p.m.-1:52 p.m.

2 stops16h 14m

Montreal Pierre Elliott Trudeau Intl

Sat 30/8

4:05 p.m.-8:43 p.m.

1 stop7h 38m

C$ 1,008

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/7

6:00 a.m.-9:17 p.m.

2 stops12h 17m

C$ 254

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 4/7

6:23 a.m.-3:24 p.m.

2 stops30h 01m

C$ 336

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 24/9

1:42 p.m.-8:16 a.m.

1 stop15h 34m

C$ 401

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/6

5:10 a.m.-6:21 p.m.

2 stops10h 11m

C$ 712

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 30/6

11:49 a.m.-12:37 a.m.

2 stops9h 48m

C$ 734

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 12 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, October is the cheapest month in which you can book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in April 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.

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Ontario to Montreal to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    According to our current data, American Airlines (C$ 499), Delta (C$ 707), and United Airlines (C$ 848) offers the cheapest pricing from Ontario to Montreal Pierre Elliott Trudeau Intl Airport. Users have found that American Airlines is 27% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Ontario to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 336. United Airlines flights start at C$ 401 while deals on Air Canada start at C$ 712 one-way.

  • 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, October is the cheapest month in which you can book a flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport in April 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Laval
Longueuil
Cornwall
Dorval
Brossard
Montebello
Drummondville
Trois-Rivières
Sherbrooke
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont

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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.

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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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