What is the cheapest airline that flies from Ontario to Montreal Pierre Elliott Trudeau Intl?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Ontario to Montreal Pierre Elliott Trudeau Intl

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Ontario according to our data. Air Canada is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 7 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport is 3 as of September 2025.

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.

$133 Cheap Flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport (ONT-YUL) in 2025

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Find the cheapest flights from Ontario to Montreal (ONT-YUL)

Round-trip

One-way

Last minute

Cheap round-trip flights

4:49 pm - 11:40 amONT-YUL

15h 51m2 stops

7:29 am - 6:35 pmYUL-ONT

14h 06m2 stops

$425American Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

11:59 pm - 2:49 pmONT-YUL

11h 50m1 stop

7:29 am - 6:35 pmYUL-ONT

14h 06m2 stops

$568American Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

6:38 pm - 4:49 pmONT-YUL

19h 11m1 stop

5:50 pm - 12:37 pmYUL-ONT

21h 47m1 stop

$651

Find Deal

Wed, Oct 29 - Tue, Nov 4

1:53 pm - 8:16 amONT-YUL

15h 23m1 stop

5:25 pm - 8:44 pmYUL-ONT

30h 19m1 stop

$653

Find Deal

Thu, Oct 23 - Mon, Oct 27

1:53 pm - 8:16 amONT-YUL

15h 23m1 stop

7:00 pm - 10:51 pmYUL-ONT

30h 51m2 stops

$668

Find Deal

Thu, Oct 23 - Mon, Oct 27

1:15 pm - 11:28 amONT-YUL

19h 13m2 stops

8:00 pm - 9:49 pmYUL-ONT

28h 49m2 stops

$695United Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

1:53 pm - 8:16 amONT-YUL

15h 23m1 stop

6:30 pm - 12:13 pmYUL-ONT

20h 43m1 stop

$697United Airlines

Find Deal

Wed, Oct 1 - Thu, Oct 2

5:03 pm - 12:20 pmONT-YUL

16h 17m2 stops

2:25 pm - 2:57 pmYUL-ONT

27h 32m2 stops

$701American Airlines

Find Deal

Wed, Feb 18 - Sat, Feb 21

6:36 pm - 8:16 amONT-YUL

10h 40m1 stop

4:45 pm - 10:52 pmYUL-ONT

9h 07m1 stop

$782Air Canada

Find Deal

Wed, Oct 1 - Thu, Oct 2

6:36 pm - 8:16 amONT-YUL

10h 40m1 stop

8:05 am - 10:52 pmYUL-ONT

17h 47m1 stop

$895Air Canada

Find Deal

Thu, Oct 16 - Sun, Oct 19

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

Oct 23

ONT1:15 pmOntario

19h 13m

2 stops

YUL11:28 amMontreal Pierre Elliott Trudeau Intl

Oct 27

YUL8:00 pmMontreal Pierre Elliott Trudeau Intl

28h 49m

2 stops

ONT9:49 pmOntario

$695

Find similar

United Airlines

Oct 1

ONT1:53 pmOntario

15h 23m

1 stop

YUL8:16 amMontreal Pierre Elliott Trudeau Intl

Oct 2

YUL6:30 pmMontreal Pierre Elliott Trudeau Intl

20h 43m

1 stop

ONT12:13 pmOntario

$697

Find similar

United Airlines

Oct 23

ONT1:53 pmOntario

15h 23m

1 stop

YUL8:16 amMontreal Pierre Elliott Trudeau Intl

Oct 26

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

19h 31m

1 stop

ONT10:31 pmOntario

$828

Find similar

Air Canada flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Ontario to Montreal Pierre Elliott Trudeau Intl Airport flight tickets

Air Canada

Oct 1

ONT6:36 pmOntario

10h 40m

1 stop

YUL8:16 amMontreal Pierre Elliott Trudeau Intl

Oct 2

YUL4:45 pmMontreal Pierre Elliott Trudeau Intl

9h 07m

1 stop

ONT10:52 pmOntario

$782

Find similar

Air Canada

Oct 16

ONT6:36 pmOntario

10h 40m

1 stop

YUL8:16 amMontreal Pierre Elliott Trudeau Intl

Oct 19

YUL8:05 amMontreal Pierre Elliott Trudeau Intl

17h 47m

1 stop

ONT10:52 pmOntario

$895

Find similar

Air Canada

Dec 27

ONT5:05 amOntario

8h 53m

1 stop

YUL4:58 pmMontreal Pierre Elliott Trudeau Intl

Jan 10

YUL12:10 pmMontreal Pierre Elliott Trudeau Intl

11h 48m

2 stops

ONT8:58 pmOntario

$1,041

Find similar

momondo Fare Finder

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 10/22

4:49 pm-11:40 am

2 stops15h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 10/29

7:29 am-6:35 pm

2 stops14h 06m

$425

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 10/22

11:59 pm-2:49 pm

1 stop11h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 10/29

7:29 am-6:35 pm

2 stops14h 06m

$568

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 10/29

6:38 pm-4:49 pm

1 stop19h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

5:50 pm-12:37 pm

1 stop21h 47m

$651

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 10/23

1:53 pm-8:16 am

1 stop15h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

5:25 pm-8:44 pm

1 stop30h 19m

$653

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 10/23

1:53 pm-8:16 am

1 stop15h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

7:00 pm-10:51 pm

2 stops30h 51m

$668

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 10/23

1:15 pm-11:28 am

2 stops19h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

8:00 pm-9:49 pm

2 stops28h 49m

$695

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 10/1

1:53 pm-8:16 am

1 stop15h 23m

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

6:30 pm-12:13 pm

1 stop20h 43m

$697

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 2/18

5:03 pm-12:20 pm

2 stops16h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

2:25 pm-2:57 pm

2 stops27h 32m

$701

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 10/1

6:36 pm-8:16 am

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

4:45 pm-10:52 pm

1 stop9h 07m

$782

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 10/16

6:36 pm-8:16 am

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 10/19

8:05 am-10:52 pm

1 stop17h 47m

$895

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $665. Flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $750. 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 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 $226. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon 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 $737.

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

Direct flights	None

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 2425.2 mi between Ontario and Montreal Pierre Elliott Trudeau Intl. In terms of flight time, this usually takes a little over 7h 21m.
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?
The number of operators available for flights from Ontario Airport to Montreal Pierre Elliott Trudeau Intl Airport is 3 as of September 2025.
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?
momondo data reveals that the most frequently booked airline on the route from Ontario to Montreal Pierre Elliott Trudeau Intl Airport is United Airlines, representing 40% of all bookings. The subsequent popular airlines are Air Canada at 38% and Delta at 23%.

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 Airlines	PriceFrom $219	Free Cancellation	Rating 7.4 8,944 reviews	Search United Airlines flights
Delta	PriceFrom $347	Free Cancellation	Rating 7.9 7,966 reviews	Search Delta flights
Air Canada	PriceFrom $376	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

Laval

Longueuil

Dorval

Brossard

Magog

Trois-Rivières

Saint-Sauveur

Sherbrooke

Cornwall

Boucherville

Bromont

Drummondville

Montebello

Saint-Jean-sur-Richelieu

Sutton

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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Montreal Pierre Elliott Trudeau Intl Airport flight routes

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Flights from Los Angeles to Montreal Pierre Elliott Trudeau Intl

Cheap flights from Ontario to Montreal from $139

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 10/14. 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 (ONT-YUL)

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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

Air Canada flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Ontario to Montreal Pierre Elliott Trudeau Intl Airport flight tickets

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Use the filters below to find and compare flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

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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?

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

What is the cheapest airline that flies from Ontario to Montreal Pierre Elliott Trudeau Intl?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Ontario to Montreal Pierre Elliott Trudeau Intl

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

Direct flights

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

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

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?

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

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

Traveling to a place near Montreal?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Montreal

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo