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Cheap flights from Ontario to Montreal from C$ 163

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Montreal departing on 24/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:22 a.m. - 10:44 p.m.
ONT
-
YUL
13h 22m2 stops
American Airlines Logo
7:30 a.m. - 6:20 p.m.
YUL
-
ONT
13h 50m2 stops
C$ 598American Airlines
Wed, 14 Jan - Wed, 21 Jan
American Airlines Logo
4:45 p.m. - 1:45 p.m.
ONT
-
YUL
18h 00m2 stops
American Airlines Logo
7:30 a.m. - 6:20 p.m.
YUL
-
ONT
13h 50m2 stops
C$ 671American Airlines
Sat, 31 Jan - Sat, 7 Feb
American Airlines Logo
6:22 a.m. - 10:44 p.m.
ONT
-
YUL
13h 22m2 stops
American Airlines Logo
7:30 a.m. - 6:20 p.m.
YUL
-
ONT
13h 50m2 stops
C$ 704American Airlines
Wed, 14 Jan - Wed, 21 Jan
Delta Logo
12:41 p.m. - 6:37 p.m.
ONT
-
YUL
26h 56m2 stops
Delta Logo
7:30 p.m. - 11:31 a.m.
YUL
-
ONT
19h 01m2 stops
C$ 723Delta
Tue, 3 Feb - Mon, 9 Feb
Delta Logo
10:30 p.m. - 8:44 a.m.
ONT
-
YUL
31h 14m2 stops
Delta Logo
2:15 p.m. - 9:05 p.m.
YUL
-
ONT
33h 50m2 stops
C$ 752Delta
Thu, 5 Feb - Tue, 10 Feb
American Airlines Logo
4:45 p.m. - 1:45 p.m.
ONT
-
YUL
18h 00m2 stops
American Airlines Logo
7:00 a.m. - 10:13 p.m.
YUL
-
ONT
18h 13m2 stops
C$ 763American Airlines
Mon, 19 Jan - Sun, 25 Jan
Delta Logo
10:30 p.m. - 6:37 p.m.
ONT
-
YUL
17h 07m2 stops
Delta Logo
2:25 p.m. - 11:31 a.m.
YUL
-
ONT
24h 06m2 stops
C$ 794Delta
Tue, 3 Feb - Sat, 7 Feb
Delta Logo
10:30 p.m. - 6:37 p.m.
ONT
-
YUL
17h 07m2 stops
Delta Logo
9:34 a.m. - 9:05 p.m.
YUL
-
ONT
14h 31m2 stops
C$ 821Delta
Thu, 8 Jan - Tue, 13 Jan
American Airlines Logo
4:45 p.m. - 3:08 p.m.
ONT
-
YUL
19h 23m2 stops
American Airlines Logo
3:50 p.m. - 6:20 p.m.
YUL
-
ONT
29h 30m2 stops
C$ 829American Airlines
Mon, 19 Jan - Sun, 25 Jan
Delta Logo
12:41 p.m. - 8:44 a.m.
ONT
-
YUL
17h 03m2 stops
Delta Logo
2:25 p.m. - 11:31 a.m.
YUL
-
ONT
24h 06m2 stops
C$ 842Delta
Fri, 9 Jan - Sat, 17 Jan

American Airlines flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on Ontario to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
14 Jan
ONT6:22 a.m.Ontario
13h 22m
2 stops
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
21 Jan
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
13h 50m
2 stops
ONT6:20 p.m.Ontario
C$ 598
Find similar
American Airlines
31 Jan
ONT4:45 p.m.Ontario
18h 00m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
7 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
13h 50m
2 stops
ONT6:20 p.m.Ontario
C$ 671
Find similar
American Airlines
14 Jan
ONT6:22 a.m.Ontario
13h 22m
2 stops
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
21 Jan
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
13h 50m
2 stops
ONT6:20 p.m.Ontario
C$ 704
Find similar

Delta flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on Ontario to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
3 Feb
ONT12:41 p.m.Ontario
26h 56m
2 stops
YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl
9 Feb
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
19h 01m
2 stops
ONT11:31 a.m.Ontario
C$ 723
Find similar
Delta
5 Feb
ONT10:30 p.m.Ontario
31h 14m
2 stops
YUL8:44 a.m.Montreal Pierre Elliott Trudeau Intl
10 Feb
YUL2:15 p.m.Montreal Pierre Elliott Trudeau Intl
33h 50m
2 stops
ONT9:05 p.m.Ontario
C$ 752
Find similar
Delta
3 Feb
ONT10:30 p.m.Ontario
17h 07m
2 stops
YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl
7 Feb
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
24h 06m
2 stops
ONT11:31 a.m.Ontario
C$ 794
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 18 December 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

Fly to

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 14/1

6:22 a.m.-10:44 p.m.

2 stops13h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

7:30 a.m.-6:20 p.m.

2 stops13h 50m

C$ 598

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 31/1

4:45 p.m.-1:45 p.m.

2 stops18h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

7:30 a.m.-6:20 p.m.

2 stops13h 50m

C$ 671

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 14/1

6:22 a.m.-10:44 p.m.

2 stops13h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

7:30 a.m.-6:20 p.m.

2 stops13h 50m

C$ 704

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 3/2

12:41 p.m.-6:37 p.m.

2 stops26h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

7:30 p.m.-11:31 a.m.

2 stops19h 01m

C$ 723

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 5/2

10:30 p.m.-8:44 a.m.

2 stops31h 14m

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

2:15 p.m.-9:05 p.m.

2 stops33h 50m

C$ 752

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 19/1

4:45 p.m.-1:45 p.m.

2 stops18h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

7:00 a.m.-10:13 p.m.

2 stops18h 13m

C$ 763

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 3/2

10:30 p.m.-6:37 p.m.

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

2:25 p.m.-11:31 a.m.

2 stops24h 06m

C$ 794

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 8/1

10:30 p.m.-6:37 p.m.

2 stops17h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

9:34 a.m.-9:05 p.m.

2 stops14h 31m

C$ 821

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 19/1

4:45 p.m.-3:08 p.m.

2 stops19h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

3:50 p.m.-6:20 p.m.

2 stops29h 30m

C$ 829

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 9/1

12:41 p.m.-8:44 a.m.

2 stops17h 03m

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

2:25 p.m.-11:31 a.m.

2 stops24h 06m

C$ 842

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montreal from

How to get the cheapest flight ticket from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Tuesday when prices can be found for as low as C$ 231. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 629.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

In the afternoon is the cheapest time of day to fly from Ontario to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 318. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around C$ 544. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Montreal Pierre Elliott Trudeau Intl Airport (ONT to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Fastest flight time

7h 26m

Direct flights

None
The fastest flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 26m
There are no direct flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from Ontario to Montreal Pierre Elliott Trudeau Intl Airport.
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  • How far is Ontario to Montreal Pierre Elliott Trudeau Intl by plane?

    There are 3903.0 km between Ontario and Montreal Pierre Elliott Trudeau Intl. By plane, this route typically takes 7h 26m.

  • When did momondo last update prices for flights from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.

  • How old do you have to be to fly from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal Pierre Elliott Trudeau Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Montreal?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Montreal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Montreal for you.

Can I find flights from Ontario to Montreal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Montreal from Ontario with this policy.

How can momondo help me find flights from Ontario to Montreal?

Once all potential Ontario to Montreal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Montreal right now. Can momondo alert me if prices change?

Price alerts on flights to Montreal from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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