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Cheap flights from Ontario to Montreal from C$ 238

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 9/3. 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.
Delta Logo
1:15 p.m. - 11:45 p.m.
ONT
-
YUL
7h 30m
1 stop
Delta Logo
9:20 a.m. - 9:00 p.m.
YUL
-
ONT
14h 40m
2 stops
C$ 920Delta
Mon, 2 Mar - Mon, 9 Mar
Delta Logo
10:20 p.m. - 1:36 p.m.
ONT
-
YUL
12h 16m
2 stops
Delta Logo
9:20 a.m. - 9:00 p.m.
YUL
-
ONT
14h 40m
2 stops
C$ 927Delta
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
7:00 a.m. - 9:26 p.m.
ONT
-
YUL
11h 26m
1 stop
Multiple Airlines Logo
6:00 p.m. - 9:56 a.m.
YUL
-
ONT
18h 56m
1 stop
C$ 960Multiple Airlines
Wed, 15 Apr - Mon, 20 Apr
Delta Logo
6:00 a.m. - 11:13 p.m.
ONT
-
YUL
14h 13m
2 stops
Delta Logo
12:50 p.m. - 6:33 p.m.
YUL
-
ONT
8h 43m
1 stop
C$ 964Delta
Thu, 9 Apr - Mon, 13 Apr
American Airlines Logo
11:58 p.m. - 12:24 p.m.
ONT
-
YUL
9h 26m
2 stops
American Airlines Logo
7:12 a.m. - 9:24 p.m.
YUL
-
ONT
17h 12m
1 stop
C$ 967American Airlines
Mon, 9 Mar - Sun, 15 Mar
Delta Logo
6:00 a.m. - 11:13 p.m.
ONT
-
YUL
14h 13m
2 stops
Delta Logo
9:30 a.m. - 9:00 p.m.
YUL
-
ONT
14h 30m
2 stops
C$ 971Delta
Thu, 9 Apr - Mon, 13 Apr
Delta Logo
6:00 a.m. - 11:13 p.m.
ONT
-
YUL
14h 13m
2 stops
Delta Logo
9:30 a.m. - 9:00 p.m.
YUL
-
ONT
14h 30m
2 stops
C$ 972Delta
Thu, 9 Apr - Mon, 13 Apr
American Airlines Logo
11:59 p.m. - 1:45 p.m.
ONT
-
YUL
10h 46m
1 stop
American Airlines Logo
2:25 p.m. - 9:24 p.m.
YUL
-
ONT
9h 59m
1 stop
C$ 1,002American Airlines
Mon, 2 Mar - Mon, 9 Mar
Delta Logo
12:00 p.m. - 11:56 p.m.
ONT
-
YUL
8h 56m
1 stop
Delta Logo
12:45 p.m. - 10:09 p.m.
YUL
-
ONT
12h 24m
1 stop
C$ 1,004Delta
Wed, 17 Jun - Wed, 24 Jun
American Airlines Logo
11:58 p.m. - 3:20 p.m.
ONT
-
YUL
12h 22m
2 stops
American Airlines Logo
7:30 a.m. - 7:09 p.m.
YUL
-
ONT
14h 39m
2 stops
C$ 1,009American Airlines
Sun, 15 Mar - Wed, 25 Mar

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
2 Mar
ONT1:15 p.m.Ontario
7h 30m
1 stop
YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl
9 Mar
YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl
14h 40m
2 stops
ONT9:00 p.m.Ontario
C$ 920
Delta
2 Mar
ONT10:20 p.m.Ontario
12h 16m
2 stops
YUL1:36 p.m.Montreal Pierre Elliott Trudeau Intl
9 Mar
YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl
14h 40m
2 stops
ONT9:00 p.m.Ontario
C$ 927
Delta
9 Apr
ONT6:00 a.m.Ontario
14h 13m
2 stops
YUL11:13 p.m.Montreal Pierre Elliott Trudeau Intl
13 Apr
YUL12:50 p.m.Montreal Pierre Elliott Trudeau Intl
8h 43m
1 stop
ONT6:33 p.m.Ontario
C$ 964

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
9 Mar
ONT11:58 p.m.Ontario
9h 26m
2 stops
YUL12:24 p.m.Montreal Pierre Elliott Trudeau Intl
15 Mar
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
17h 12m
1 stop
ONT9:24 p.m.Ontario
C$ 967
American Airlines
2 Mar
ONT11:59 p.m.Ontario
10h 46m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
9 Mar
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
9h 59m
1 stop
ONT9:24 p.m.Ontario
C$ 1,002
American Airlines
15 Mar
ONT11:58 p.m.Ontario
12h 22m
2 stops
YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl
25 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
14h 39m
2 stops
ONT7:09 p.m.Ontario
C$ 1,009

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 5 February 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

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/3

1:15 p.m.-11:45 p.m.

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

9:20 a.m.-9:00 p.m.

2 stops14h 40m

C$ 920

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/3

10:20 p.m.-1:36 p.m.

2 stops12h 16m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

9:20 a.m.-9:00 p.m.

2 stops14h 40m

C$ 927

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 15/4

7:00 a.m.-9:26 p.m.

1 stop11h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 p.m.-9:56 a.m.

1 stop18h 56m

C$ 960

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 9/4

6:00 a.m.-11:13 p.m.

2 stops14h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

12:50 p.m.-6:33 p.m.

1 stop8h 43m

C$ 964

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 9/3

11:58 p.m.-12:24 p.m.

2 stops9h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

7:12 a.m.-9:24 p.m.

1 stop17h 12m

C$ 967

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 9/4

6:00 a.m.-11:13 p.m.

2 stops14h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

9:30 a.m.-9:00 p.m.

2 stops14h 30m

C$ 971

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 9/4

6:00 a.m.-11:13 p.m.

2 stops14h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

9:30 a.m.-9:00 p.m.

2 stops14h 30m

C$ 972

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/3

11:59 p.m.-1:45 p.m.

1 stop10h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

2:25 p.m.-9:24 p.m.

1 stop9h 59m

C$ 1,002

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 17/6

12:00 p.m.-11:56 p.m.

1 stop8h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

12:45 p.m.-10:09 p.m.

1 stop12h 24m

C$ 1,004

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 15/3

11:58 p.m.-3:20 p.m.

2 stops12h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

7:30 a.m.-7:09 p.m.

2 stops14h 39m

C$ 1,009

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$ 229. 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$ 623.

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

In the evening 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$ 387. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around C$ 557. 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 28m

Direct flights

None
The fastest flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 28m
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.
Search flight deals

  • 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 28m.

  • 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
Trois-Rivières
Montebello
Sherbrooke
Brossard
Longueuil
Cornwall
Dorval
Boucherville
North Hatley
Magog
Saint-Sauveur
Drummondville
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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