Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Montreal from $242

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 10/20. 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

Find the cheapest flights from Ontario to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:00 am - 7:05 am-
22h 05m
WestJet Logo
8:00 pm - 5:19 pm-
24h 19m
$572WestJet
Wed, Sep 9 - Sun, Sep 13
WestJet Logo
6:20 am - 7:05 am-
21h 45m
WestJet Logo
7:15 am - 10:43 pm-
18h 28m
$572WestJet
Wed, Oct 7 - Sat, Oct 24
WestJet Logo
11:54 am - 7:05 am-
16h 11m
WestJet Logo
8:00 pm - 10:40 pm-
29h 40m
$572WestJet
Mon, Sep 28 - Sat, Oct 3
WestJet Logo
6:20 am - 7:05 am-
21h 45m
WestJet Logo
7:15 am - 10:43 pm-
18h 28m
$572WestJet
Wed, Oct 7 - Wed, Oct 21
WestJet Logo
11:56 am - 7:05 am-
16h 09m
WestJet Logo
7:15 am - 5:21 pm-
37h 06m
$572WestJet
Thu, Aug 27 - Tue, Sep 1
WestJet Logo
3:35 pm - 7:05 am-
12h 30m
WestJet Logo
8:00 pm - 5:21 pm-
24h 21m
$572WestJet
Sat, Aug 22 - Tue, Aug 25
WestJet Logo
6:00 am - 7:05 am-
22h 05m
WestJet Logo
7:15 am - 10:40 pm-
42h 25m
$572WestJet
Tue, Sep 8 - Thu, Sep 24
WestJet Logo
11:54 am - 7:05 am-
16h 11m
WestJet Logo
7:15 am - 10:40 pm-
18h 25m
$572WestJet
Mon, Sep 28 - Thu, Oct 1
WestJet Logo
11:54 am - 7:05 am-
16h 11m
WestJet Logo
8:00 pm - 10:40 pm-
29h 40m
$572WestJet
Wed, Sep 23 - Sat, Sep 26
WestJet Logo
6:00 am - 7:05 am-
22h 05m
WestJet Logo
7:15 am - 10:40 pm-
42h 25m
$572WestJet
Wed, Sep 16 - Wed, Sep 23

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
Aug 25
ONT7:05 amOntario
13h 25m
2 stops
YUL11:30 pmMontreal Pierre Elliott Trudeau Intl
Sep 1
YUL9:30 amMontreal Pierre Elliott Trudeau Intl
28h 12m
2 stops
ONT10:42 amOntario
$600
Delta
Oct 27
ONT9:45 amOntario
10h 37m
2 stops
YUL11:22 pmMontreal Pierre Elliott Trudeau Intl
Nov 3
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
18h 11m
2 stops
ONT10:11 pmOntario
$612
Delta
Aug 23
ONT7:05 amOntario
13h 25m
2 stops
YUL11:30 pmMontreal Pierre Elliott Trudeau Intl
Sep 1
YUL9:30 amMontreal Pierre Elliott Trudeau Intl
28h 12m
2 stops
ONT10:42 amOntario
$630

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
Aug 22
ONT5:00 amOntario
13h 26m
2 stops
YUL9:26 pmMontreal Pierre Elliott Trudeau Intl
Aug 29
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
8h 40m
1 stop
ONT10:35 pmOntario
$580
United Airlines
Aug 18
ONT1:56 pmOntario
15h 20m
1 stop
YUL8:16 amMontreal Pierre Elliott Trudeau Intl
Aug 22
YUL9:45 amMontreal Pierre Elliott Trudeau Intl
15h 50m
1 stop
ONT10:35 pmOntario
$597
United Airlines
Aug 25
ONT7:00 amOntario
7h 30m
1 stop
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
Sep 2
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
8h 40m
1 stop
ONT10:35 pmOntario
$598

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 August 5, 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 9/9

6:00 am-7:05 am

2 stops22h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 9/13

8:00 pm-5:19 pm

2 stops24h 19m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 10/7

6:20 am-7:05 am

2 stops21h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 10/24

7:15 am-10:43 pm

2 stops18h 28m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 9/28

11:54 am-7:05 am

2 stops16h 11m

Montreal Pierre Elliott Trudeau Intl

Sat 10/3

8:00 pm-10:40 pm

2 stops29h 40m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 10/7

6:20 am-7:05 am

2 stops21h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

7:15 am-10:43 pm

2 stops18h 28m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 8/27

11:56 am-7:05 am

2 stops16h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

7:15 am-5:21 pm

2 stops37h 06m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 8/22

3:35 pm-7:05 am

2 stops12h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 8/25

8:00 pm-5:21 pm

2 stops24h 21m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/8

6:00 am-7:05 am

2 stops22h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 9/24

7:15 am-10:40 pm

2 stops42h 25m

$572
Quickest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 9/28

11:54 am-7:05 am

2 stops16h 11m

Montreal Pierre Elliott Trudeau Intl

Thu 10/1

7:15 am-10:40 pm

2 stops18h 25m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 9/23

11:54 am-7:05 am

2 stops16h 11m

Montreal Pierre Elliott Trudeau Intl

Sat 9/26

8:00 pm-10:40 pm

2 stops29h 40m

$572

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 9/16

6:00 am-7:05 am

2 stops22h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

7:15 am-10:40 pm

2 stops42h 25m

$572

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 Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $717. Flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $888. 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 $632. 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 $819.

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

You could potentially save up to 35% 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 46m

Direct flights

None
The fastest flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 46m
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 46m.

  • 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
Cornwall
Longueuil
Sherbrooke
Saint-Sauveur
Trois-Rivières
Boucherville
Drummondville
Bromont
Saint-Jean-sur-Richelieu
Montebello
Magog
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 9/4
Fri 9/11
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 $181
Flights to Toronto Island Airportfrom $170
Flights to Vancouver Intl Airportfrom $143
Flights to Toronto Region of Waterloo Intl Airportfrom $269