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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario 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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ONT
19 Aug — 26 Aug1
1 adult

Cheap flight deals from Pierre Elliott Trudeau Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Ontario (ONT). 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 14 August 2025.

Round-trip from

C$ 651

One-way from

C$ 254

Popular in

July

Cheapest in

January

Average price

C$ 778
American Airlines
  • American Airlines
  • 27/9-4/10
  • 4 total stops
  • 33h 27m total
  • Montreal to Ontario
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27/10
  • 27/10
  • 2 total stops
  • 18h 20m total
  • Montreal to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 59 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Pierre Elliott Trudeau Intl to Ontario

Cheapest flights from Pierre Elliott Trudeau Intl to Ontario
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Sat 27/97:50 a.m.YUL - ONT
2 stops13h 26mAmerican Airlines
Sat 4/1012:45 p.m.ONT - YUL
2 stops20h 01mAmerican Airlines
Deal found 13/8C$ 651
Tue 16/123:45 p.m.YUL - ONT
2 stops19h 50mAmerican Airlines
Tue 30/1210:33 a.m.ONT - YUL
2 stops25h 12mAmerican Airlines
Deal found 14/8C$ 670
Tue 16/123:45 p.m.YUL - ONT
2 stops19h 50mAmerican Airlines
Wed 31/125:03 p.m.ONT - YUL
2 stops16h 12mAmerican Airlines
Deal found 14/8C$ 713
Wed 8/109:45 a.m.YUL - ONT
1 stop15h 45mUnited Airlines
Sat 18/107:02 a.m.ONT - YUL
1 stop11h 27mUnited Airlines
Deal found 14/8C$ 717
Mon 22/98:05 a.m.YUL - ONT
1 stop12h 32mUnited Airlines
Wed 1/101:53 p.m.ONT - YUL
1 stop15h 23mUnited Airlines
Deal found 13/8C$ 767
Tue 7/107:50 a.m.YUL - ONT
2 stops13h 45mAmerican Airlines
Wed 15/104:49 p.m.ONT - YUL
2 stops15h 51mAmerican Airlines
Deal found 13/8C$ 775
Mon 20/108:05 a.m.YUL - ONT
1 stop12h 35mUnited Airlines
Sat 25/107:02 a.m.ONT - YUL
1 stop11h 27mUnited Airlines
Deal found 14/8C$ 794
Tue 16/123:45 p.m.YUL - ONT
2 stops19h 50mAmerican Airlines
Thu 1/11:28 p.m.ONT - YUL
2 stops19h 47mAmerican Airlines
Deal found 14/8C$ 837
Sat 4/108:05 a.m.YUL - ONT
1 stop12h 44mUnited Airlines
Wed 8/106:36 p.m.ONT - YUL
1 stop10h 40mUnited Airlines
Deal found 14/8C$ 851

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Ontario 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 14 August 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Ontario

Route

Depart

Return

Price

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

7:50 a.m.-6:16 p.m.

2 stops13h 26m

Ontario

Sat 4/10

12:45 p.m.-11:46 a.m.

2 stops20h 01m

C$ 651

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

3:45 p.m.-8:35 a.m.

2 stops19h 50m

Ontario

Tue 30/12

10:33 a.m.-2:45 p.m.

2 stops25h 12m

C$ 670

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

3:45 p.m.-8:35 a.m.

2 stops19h 50m

Ontario

Wed 31/12

5:03 p.m.-12:15 p.m.

2 stops16h 12m

C$ 713

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

9:45 a.m.-10:30 p.m.

1 stop15h 45m

Ontario

Sat 18/10

7:02 a.m.-9:29 p.m.

1 stop11h 27m

C$ 717

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

7:29 a.m.-6:35 p.m.

2 stops14h 06m

Ontario

Wed 15/10

12:47 p.m.-2:49 p.m.

1 stop23h 02m

C$ 736

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

3:45 p.m.-8:35 a.m.

2 stops19h 50m

Ontario

Mon 5/1

11:12 p.m.-1:35 p.m.

1 stop11h 23m

C$ 764

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

3:45 p.m.-8:35 a.m.

2 stops19h 50m

Ontario

Sat 3/1

12:56 p.m.-3:00 p.m.

2 stops23h 04m

C$ 764

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

8:05 a.m.-5:37 p.m.

1 stop12h 32m

Ontario

Wed 1/10

1:53 p.m.-8:16 a.m.

1 stop15h 23m

C$ 767

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 27/9

8:05 a.m.-5:49 p.m.

1 stop12h 44m

Ontario

Sat 4/10

6:51 p.m.-5:00 p.m.

1 stop19h 09m

C$ 767

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

6:45 a.m.-10:05 p.m.

2 stops18h 20m

C$ 254

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/8

Showing 1-10 of 18 results
1
2

Best time to book a flight from Pierre Elliott Trudeau Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Ontario

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario (average of C$ 290). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ontario in December is currently the most expensive (average of C$ 461). 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.

What is the cheapest time of day to fly from YUL to ONT?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight at noon.

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 60% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Ontario on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 364.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 35m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 11m.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 14 August 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,915 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
9,956 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Ontario. 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 into for flights to Ontario from Montreal Pierre Elliott Trudeau Intl?

    For a flight from Montreal Pierre Elliott Trudeau Intl to Ontario, you will be flying into Ontario. Ontario (ONT) is just 4.9 km from the centre of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. 3 airlines have flights to Ontario from Montreal Pierre Elliott Trudeau Intl on a regular basis.

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

    Currently priced at C$ 395, United Airlines will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Ontario and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from C$ 399 and C$ 418, respectively. Users have found that United Airlines is 35% cheaper than the other options available to this destination.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Ontario.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Ontario?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Ontario 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 Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario (average of C$ 290). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ontario in December is currently the most expensive (average of C$ 461). 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

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Alternative routes for Pierre Elliott Trudeau Intl to Ontario

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Top 3 airlines flying from Pierre Elliott Trudeau Intl to Ontario

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 395AverageC$ 898FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 399AverageC$ 448FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 418AverageC$ 428FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Ontario?

Cheapflights helps you search for flights from Pierre Elliott Trudeau Intl to Ontario 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 Pierre Elliott Trudeau Intl to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Ontario become cheaper?

Yes! Start tracking prices for Pierre Elliott Trudeau Intl to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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