Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Montreal from $215

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 9/30. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:10 am - 10:56 pm
ONT
-
YUL
13h 46m
2 stops
American Airlines Logo
7:17 am - 6:19 pm
YUL
-
ONT
14h 02m
2 stops
$584American Airlines
Wed, Jul 15 - Tue, Jul 21
Multiple Airlines Logo
5:00 am - 3:28 pm
ONT
-
YUL
7h 28m
1 stop
Multiple Airlines Logo
6:45 am - 3:09 pm
YUL
-
ONT
11h 24m
2 stops
$597Multiple Airlines
Sun, May 17 - Sat, May 23
Delta Logo
10:00 pm - 11:35 am
ONT
-
YUL
10h 35m
1 stop
Delta Logo
12:48 pm - 9:48 pm
YUL
-
ONT
12h 00m
1 stop
$624Delta
Fri, Jun 5 - Fri, Jun 19
American Airlines Logo
11:59 pm - 2:44 pm
ONT
-
YUL
11h 45m
1 stop
American Airlines Logo
7:29 am - 10:36 pm
YUL
-
ONT
18h 07m
1 stop
$625American Airlines
Tue, Jun 9 - Tue, Jun 23
American Airlines Logo
7:13 pm - 12:28 pm
ONT
-
YUL
14h 15m
2 stops
American Airlines Logo
3:48 pm - 10:39 pm
YUL
-
ONT
9h 51m
1 stop
$634American Airlines
Tue, Jun 9 - Wed, Jun 24
Delta Logo
7:00 am - 8:42 am
ONT
-
YUL
22h 42m
2 stops
Delta Logo
12:45 pm - 6:18 pm
YUL
-
ONT
8h 33m
1 stop
$636Delta
Sat, Oct 17 - Sat, Oct 31
Delta Logo
10:00 pm - 11:35 am
ONT
-
YUL
10h 35m
1 stop
Delta Logo
12:40 pm - 6:36 pm
YUL
-
ONT
8h 56m
1 stop
$638Delta
Sat, May 16 - Fri, May 22
Delta Logo
6:00 am - 11:41 pm
ONT
-
YUL
14h 41m
2 stops
Delta Logo
9:30 am - 9:48 pm
YUL
-
ONT
15h 18m
2 stops
$640Delta
Sat, Jun 6 - Fri, Jun 19
Delta Logo
7:00 am - 8:42 am
ONT
-
YUL
22h 42m
2 stops
Delta Logo
6:00 am - 6:18 pm
YUL
-
ONT
15h 18m
2 stops
$642Delta
Sat, Oct 17 - Sat, Oct 31
Delta Logo
12:00 pm - 8:32 am
ONT
-
YUL
17h 32m
2 stops
Delta Logo
12:44 pm - 9:50 pm
YUL
-
ONT
12h 06m
1 stop
$647Delta
Sat, Jul 11 - Wed, Jul 15

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 5
ONT10:00 pmOntario
10h 35m
1 stop
YUL11:35 amMontreal Pierre Elliott Trudeau Intl
Jun 19
YUL12:48 pmMontreal Pierre Elliott Trudeau Intl
12h 00m
1 stop
ONT9:48 pmOntario
$624
Delta
Oct 17
ONT7:00 amOntario
22h 42m
2 stops
YUL8:42 amMontreal Pierre Elliott Trudeau Intl
Oct 31
YUL12:45 pmMontreal Pierre Elliott Trudeau Intl
8h 33m
1 stop
ONT6:18 pmOntario
$636
Delta
May 16
ONT10:00 pmOntario
10h 35m
1 stop
YUL11:35 amMontreal Pierre Elliott Trudeau Intl
May 22
YUL12:40 pmMontreal Pierre Elliott Trudeau Intl
8h 56m
1 stop
ONT6:36 pmOntario
$638

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

Our best United Airlines deals on Ontario to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
Jul 14
ONT1:50 pmOntario
15h 26m
1 stop
YUL8:16 amMontreal Pierre Elliott Trudeau Intl
Jul 15
YUL11:23 amMontreal Pierre Elliott Trudeau Intl
14h 14m
2 stops
ONT10:37 pmOntario
$692
United Airlines
Jun 1
ONT6:30 pmOntario
18h 40m
2 stops
YUL4:10 pmMontreal Pierre Elliott Trudeau Intl
Jun 4
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
14h 01m
2 stops
ONT8:46 pmOntario
$700
United Airlines
Jul 8
ONT6:10 amOntario
8h 20m
1 stop
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
Jul 15
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
8h 56m
1 stop
ONT10:51 pmOntario
$713

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 May 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

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 7/15

6:10 am-10:56 pm

2 stops13h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

7:17 am-6:19 pm

2 stops14h 02m

$584
Quickest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sun 5/17

5:00 am-3:28 pm

1 stop7h 28m

Montreal Pierre Elliott Trudeau Intl

Sat 5/23

6:45 am-3:09 pm

2 stops11h 24m

$597

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 6/5

10:00 pm-11:35 am

1 stop10h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 6/19

12:48 pm-9:48 pm

1 stop12h 00m

$624

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 6/9

11:59 pm-2:44 pm

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 6/23

7:29 am-10:36 pm

1 stop18h 07m

$625

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 6/9

7:13 pm-12:28 pm

2 stops14h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 6/24

3:48 pm-10:39 pm

1 stop9h 51m

$634

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 10/17

7:00 am-8:42 am

2 stops22h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 10/31

12:45 pm-6:18 pm

1 stop8h 33m

$636

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 5/16

10:00 pm-11:35 am

1 stop10h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 5/22

12:40 pm-6:36 pm

1 stop8h 56m

$638

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 6/6

6:00 am-11:41 pm

2 stops14h 41m

Montreal Pierre Elliott Trudeau Intl

Fri 6/19

9:30 am-9:48 pm

2 stops15h 18m

$640

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 10/17

7:00 am-8:42 am

2 stops22h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 10/31

6:00 am-6:18 pm

2 stops15h 18m

$642

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 7/11

12:00 pm-8:32 am

2 stops17h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 7/15

12:44 pm-9:50 pm

1 stop12h 06m

$647

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 Monday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Monday will often find tickets for as low as $670. Flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $754. 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 $569. 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 $724.

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

8h 20m

Direct flights

None
The fastest flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport takes 8h 20m
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 8h 20m.

  • 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 many operators does momondo search for flights from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport?

  • 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.

  • What is the most popular airline from Ontario to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Ontario to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
Air CanadaPriceFrom $419Free CancellationRating
7.1
11,000 reviews
Search Air Canada flights

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
Magog
Boucherville
Drummondville
Saint-Jean-sur-Richelieu
Montebello
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/5
Fri 6/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Montreal

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo
Flights to Toronto Pearson Intl Airportfrom $156
Flights to Vancouver Intl Airport
Flights to Toronto Island Airportfrom $151
Flights to Toronto Region of Waterloo Intl Airportfrom $376