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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ontario from C$ 388

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ONT
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Ontario

Enter your travel dates to find the best prices.

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 26 May 2026.

Thu 11/66:00 a.m.
YUL
-
ONT
2 stops18h 55m
United Airlines
Sat 13/65:45 a.m.
ONT
-
YUL
2 stops15h 28m
United Airlines
Deal found 25/5C$ 708
Tue 16/66:00 a.m.
YUL
-
ONT
2 stops18h 55m
United Airlines
Mon 22/66:30 p.m.
ONT
-
YUL
2 stops17h 10m
United Airlines
Deal found 22/5C$ 710
Sat 5/1212:45 p.m.
YUL
-
ONT
2 stops12h 58m
Delta
Tue 8/1212:00 p.m.
ONT
-
YUL
2 stops17h 42m
Delta
Deal found 24/5C$ 732
Thu 25/612:48 p.m.
YUL
-
ONT
1 stop12h 00m
Delta
Thu 9/711:48 a.m.
ONT
-
YUL
1 stop9h 04m
Delta
Deal found 23/5C$ 747
Tue 23/67:29 a.m.
YUL
-
ONT
1 stop18h 07m
American Airlines
Mon 29/611:59 p.m.
ONT
-
YUL
1 stop11h 45m
American Airlines
Deal found 23/5C$ 758
Tue 16/62:30 p.m.
YUL
-
ONT
1 stop11h 06m
American Airlines
Mon 22/67:13 p.m.
ONT
-
YUL
2 stops14h 15m
American Airlines
Deal found 22/5C$ 777
Thu 13/89:45 a.m.
YUL
-
ONT
1 stop15h 50m
United Airlines
Sun 23/87:00 a.m.
ONT
-
YUL
1 stop7h 30m
United Airlines
Deal found 25/5C$ 783
Thu 16/712:44 p.m.
YUL
-
ONT
1 stop12h 06m
Delta
Sun 9/812:00 p.m.
ONT
-
YUL
1 stop8h 59m
Delta
Deal found 23/5C$ 784
Mon 14/129:28 a.m.
YUL
-
ONT
2 stops15h 46m
Delta
Mon 11/110:59 p.m.
ONT
-
YUL
2 stops16h 51m
Delta
Deal found 22/5C$ 786
Sat 13/68:10 a.m.
YUL
-
ONT
1 stop7h 28m
United Airlines
Mon 22/66:30 p.m.
ONT
-
YUL
1 stop17h 58m
United Airlines
Deal found 24/5C$ 791

Find 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 26 May 2026.

Round-trip from

C$ 708

One-way from

C$ 388

Popular in

December

Cheapest in

September

Average price

C$ 585
United Airlines
  • United Airlines
  • 11/6-13/6
  • 4 total stops
  • 34h 23m total
  • Montreal to Ontario
Search Deals
Delta
  • Delta
  • 21/8
  • 2 total stops
  • 15h 22m total
  • Montreal to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 26 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

4:55 p.m.-12:47 p.m.

2 stops22h 52m

Ontario

Tue 14/7

1:50 p.m.-8:16 a.m.

1 stop15h 26m

C$ 783

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

12:44 p.m.-9:50 p.m.

1 stop12h 06m

Ontario

Mon 3/8

10:00 p.m.-11:39 a.m.

1 stop10h 39m

C$ 784

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

12:45 p.m.-6:01 p.m.

1 stop8h 16m

Ontario

Wed 7/10

12:00 p.m.-11:51 p.m.

1 stop8h 51m

C$ 786

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

12:44 p.m.-9:50 p.m.

1 stop12h 06m

Ontario

Tue 28/7

10:00 p.m.-11:39 a.m.

1 stop10h 39m

C$ 786

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

12:44 p.m.-9:50 p.m.

1 stop12h 06m

Ontario

Mon 3/8

10:00 p.m.-11:39 a.m.

1 stop10h 39m

C$ 786

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

12:45 p.m.-6:01 p.m.

1 stop8h 16m

Ontario

Sat 10/10

12:00 p.m.-11:51 p.m.

1 stop8h 51m

C$ 786

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

9:30 a.m.-9:50 p.m.

2 stops15h 20m

Ontario

Tue 14/7

6:20 a.m.-11:25 p.m.

2 stops14h 05m

C$ 786

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

6:10 a.m.-9:55 p.m.

2 stops18h 45m

Ontario

Tue 30/6

5:45 a.m.-10:40 a.m.

2 stops25h 55m

C$ 799
Quickest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

8:10 a.m.-12:47 p.m.

1 stop7h 37m

Ontario

Tue 23/6

5:00 a.m.-3:28 p.m.

1 stop7h 28m

C$ 816

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 25/6

9:45 a.m.-10:51 p.m.

1 stop16h 06m

Ontario

Thu 2/7

5:00 a.m.-3:28 p.m.

1 stop7h 28m

C$ 830

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/5

Showing 1-10 of 21 resultsSorted by cheapest first
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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’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.

Charlotte (CLT) – chosen by Cheapflights users on 67% 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.

Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of C$ 696.

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.

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. 0 airlines have flights to Ontario from Montreal Pierre Elliott Trudeau Intl on a regular basis.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Ontario?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Ontario in 12h 06m. Fly via United Airlines or Delta to get the fastest option. There are 3899 km between Montreal Pierre Elliott Trudeau Intl Airport and Ontario. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

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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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