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Cheap flights from Ontario to Montreal from $222

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 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Air Canada Logo
5:00 am - 3:29 pm
ONT
-
YUL
7h 29m
1 stop
Air Canada Logo
4:30 pm - 8:58 pm
YUL
-
ONT
7h 28m
1 stop
$524Air Canada
Wed, Sep 16 - Thu, Sep 24
Delta Logo
11:50 am - 11:55 pm
ONT
-
YUL
9h 05m
1 stop
Delta Logo
12:44 pm - 6:30 pm
YUL
-
ONT
8h 46m
1 stop
$549Delta
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
6:10 am - 5:30 pm
ONT
-
YUL
8h 20m
1 stop
United Airlines Logo
6:00 am - 9:55 pm
YUL
-
ONT
18h 55m
2 stops
$576United Airlines
Tue, Jul 14 - Sat, Jul 25
Delta Logo
10:00 pm - 11:43 am
ONT
-
YUL
10h 43m
1 stop
Delta Logo
12:44 pm - 6:30 pm
YUL
-
ONT
8h 46m
1 stop
$577Delta
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
11:59 pm - 2:44 pm
ONT
-
YUL
11h 45m
1 stop
American Airlines Logo
2:30 pm - 10:34 pm
YUL
-
ONT
11h 04m
1 stop
$578American Airlines
Mon, Jun 29 - Tue, Jul 7
American Airlines Logo
11:59 pm - 2:44 pm
ONT
-
YUL
11h 45m
1 stop
American Airlines Logo
2:30 pm - 10:34 pm
YUL
-
ONT
11h 04m
1 stop
$579American Airlines
Mon, Jun 29 - Tue, Jul 7
American Airlines Logo
11:59 pm - 2:44 pm
ONT
-
YUL
11h 45m
1 stop
American Airlines Logo
7:17 am - 10:34 pm
YUL
-
ONT
18h 17m
1 stop
$580American Airlines
Mon, Jun 29 - Tue, Jul 7
United Airlines Logo
1:50 pm - 10:40 am
ONT
-
YUL
17h 50m
2 stops
United Airlines Logo
6:00 am - 9:55 pm
YUL
-
ONT
18h 55m
2 stops
$581United Airlines
Tue, Jul 14 - Tue, Jul 21
American Airlines Logo
11:59 pm - 2:41 pm
ONT
-
YUL
11h 42m
1 stop
American Airlines Logo
3:48 pm - 10:32 pm
YUL
-
ONT
9h 44m
1 stop
$601American Airlines
Tue, Jul 14 - Tue, Jul 21
American Airlines Logo
7:00 am - 9:44 pm
ONT
-
YUL
11h 44m
2 stops
American Airlines Logo
1:05 pm - 9:44 pm
YUL
-
ONT
11h 39m
2 stops
$603American Airlines
Sat, Jul 18 - Sat, Jul 25

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
Jun 29
ONT11:59 pmOntario
11h 45m
1 stop
YUL2:44 pmMontreal Pierre Elliott Trudeau Intl
Jul 7
YUL2:30 pmMontreal Pierre Elliott Trudeau Intl
11h 04m
1 stop
ONT10:34 pmOntario
$578
American Airlines
Jun 29
ONT11:59 pmOntario
11h 45m
1 stop
YUL2:44 pmMontreal Pierre Elliott Trudeau Intl
Jul 7
YUL2:30 pmMontreal Pierre Elliott Trudeau Intl
11h 04m
1 stop
ONT10:34 pmOntario
$579
American Airlines
Jun 29
ONT11:59 pmOntario
11h 45m
1 stop
YUL2:44 pmMontreal Pierre Elliott Trudeau Intl
Jul 7
YUL7:17 amMontreal Pierre Elliott Trudeau Intl
18h 17m
1 stop
ONT10:34 pmOntario
$580

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
Jun 30
ONT11:50 amOntario
9h 05m
1 stop
YUL11:55 pmMontreal Pierre Elliott Trudeau Intl
Jul 7
YUL12:44 pmMontreal Pierre Elliott Trudeau Intl
8h 46m
1 stop
ONT6:30 pmOntario
$549
Delta
Jul 3
ONT10:00 pmOntario
10h 43m
1 stop
YUL11:43 amMontreal Pierre Elliott Trudeau Intl
Jul 7
YUL12:44 pmMontreal Pierre Elliott Trudeau Intl
8h 46m
1 stop
ONT6:30 pmOntario
$577
Delta
Jun 23
ONT11:50 amOntario
9h 05m
1 stop
YUL11:55 pmMontreal Pierre Elliott Trudeau Intl
Jul 10
YUL12:44 pmMontreal Pierre Elliott Trudeau Intl
12h 06m
1 stop
ONT9:50 pmOntario
$609

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 832,500 searches. Data last updated June 6, 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

Cheapest round-trip
Quickest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 9/16

5:00 am-3:29 pm

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Thu 9/24

4:30 pm-8:58 pm

1 stop7h 28m

$524

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 6/30

11:50 am-11:55 pm

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

12:44 pm-6:30 pm

1 stop8h 46m

$549

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 7/14

6:10 am-5:30 pm

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 7/25

6:00 am-9:55 pm

2 stops18h 55m

$576

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 7/3

10:00 pm-11:43 am

1 stop10h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

12:44 pm-6:30 pm

1 stop8h 46m

$577

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 6/29

11:59 pm-2:44 pm

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

2:30 pm-10:34 pm

1 stop11h 04m

$578

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 6/29

11:59 pm-2:44 pm

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

2:30 pm-10:34 pm

1 stop11h 04m

$579

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 6/29

11:59 pm-2:44 pm

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

7:17 am-10:34 pm

1 stop18h 17m

$580

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 7/14

1:50 pm-10:40 am

2 stops17h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

6:00 am-9:55 pm

2 stops18h 55m

$581

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 7/14

11:59 pm-2:41 pm

1 stop11h 42m

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

3:48 pm-10:32 pm

1 stop9h 44m

$601

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 7/18

7:00 am-9:44 pm

2 stops11h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 7/25

1:05 pm-9:44 pm

2 stops11h 39m

$603

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 from Ontario to Montreal Pierre Elliott Trudeau Intl Airport is on a Wednesday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Wednesday will often find tickets for as low as $674. Flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $794. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $587. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $743.

Can stopping save me money on Ontario to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Ontario to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

Frequently asked questions about flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

  • How far is Ontario to Montreal Pierre Elliott Trudeau Intl by plane?

    There are 2425.2 mi between Ontario and Montreal Pierre Elliott Trudeau Intl. In terms of flight time, this usually takes a little over 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 are updated 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 required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Montreal?

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

Why use momondo?

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

Finding the right flight to Montreal from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Montreal quick and easy, saving you time and money.

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

Yes. All flights to Montreal from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Ontario to Montreal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Ontario to Montreal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montreal and let you know when they change.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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