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 64% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 6 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.

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

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

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 2 as of December 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 in 2025/26

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4:45 pm - 1:45 pm

ONT

YUL

18h 00m2 stops

3:50 pm - 9:08 am

YUL

ONT

20h 18m2 stops

$566American Airlines

Wed, Jan 7 - Wed, Jan 14

12:41 pm - 8:44 am

ONT

YUL

17h 03m2 stops

2:40 pm - 12:16 pm

YUL

ONT

24h 36m2 stops

$619Delta

Thu, Jan 8 - Wed, Jan 14

4:45 pm - 1:45 pm

ONT

YUL

18h 00m2 stops

7:00 am - 10:13 pm

YUL

ONT

18h 13m2 stops

$641American Airlines

Thu, Jan 22 - Thu, Jan 29

12:41 pm - 8:44 am

ONT

YUL

17h 03m2 stops

2:45 pm - 9:05 pm

YUL

ONT

9h 20m1 stop

$671Delta

Thu, Jan 8 - Wed, Jan 14

6:00 am - 11:40 pm

ONT

YUL

14h 40m2 stops

12:55 pm - 10:34 pm

YUL

ONT

12h 39m2 stops

$687Delta

Thu, Mar 12 - Mon, Mar 16

5:05 am - 2:11 pm

ONT

YUL

30h 06m2 stops

8:00 pm - 12:47 pm

YUL

ONT

19h 47m2 stops

$695United Airlines

Thu, Jan 22 - Mon, Jan 26

6:00 am - 11:40 pm

ONT

YUL

14h 40m2 stops

12:55 pm - 10:34 pm

YUL

ONT

12h 39m2 stops

$734Delta

Thu, Mar 12 - Mon, Mar 16

5:55 pm - 12:16 pm

ONT

YUL

15h 21m2 stops

9:28 am - 10:09 pm

YUL

ONT

15h 41m2 stops

$747Delta

Sat, May 9 - Tue, May 12

6:00 am - 11:11 pm

ONT

YUL

14h 11m2 stops

12:42 pm - 9:04 pm

YUL

ONT

11h 22m1 stop

$755Delta

Thu, Mar 12 - Mon, Mar 16

10:59 pm - 11:47 am

ONT

YUL

9h 48m1 stop

9:28 am - 10:09 pm

YUL

ONT

15h 41m2 stops

$765Delta

Sat, May 9 - Tue, May 12

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

Jan 8

ONT12:41 pmOntario

17h 03m

2 stops

YUL8:44 amMontreal Pierre Elliott Trudeau Intl

Jan 14

YUL2:40 pmMontreal Pierre Elliott Trudeau Intl

24h 36m

2 stops

ONT12:16 pmOntario

$619

Find similar

Delta

Jan 8

ONT12:41 pmOntario

17h 03m

2 stops

YUL8:44 amMontreal Pierre Elliott Trudeau Intl

Jan 14

YUL2:45 pmMontreal Pierre Elliott Trudeau Intl

9h 20m

1 stop

ONT9:05 pmOntario

$671

Find similar

Delta

Mar 12

ONT6:00 amOntario

14h 40m

2 stops

YUL11:40 pmMontreal Pierre Elliott Trudeau Intl

Mar 16

YUL12:55 pmMontreal Pierre Elliott Trudeau Intl

12h 39m

2 stops

ONT10:34 pmOntario

$687

Find similar

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

Jan 22

ONT5:05 amOntario

30h 06m

2 stops

YUL2:11 pmMontreal Pierre Elliott Trudeau Intl

Jan 26

YUL8:00 pmMontreal Pierre Elliott Trudeau Intl

19h 47m

2 stops

ONT12:47 pmOntario

$695

Find similar

United Airlines

Apr 9

ONT6:53 pmOntario

19h 12m

2 stops

YUL5:05 pmMontreal Pierre Elliott Trudeau Intl

Apr 13

YUL6:05 pmMontreal Pierre Elliott Trudeau Intl

21h 33m

2 stops

ONT12:38 pmOntario

$787

Find similar

United Airlines

Apr 9

ONT6:53 pmOntario

19h 12m

2 stops

YUL5:05 pmMontreal Pierre Elliott Trudeau Intl

Apr 13

YUL8:00 pmMontreal Pierre Elliott Trudeau Intl

19h 38m

2 stops

ONT12:38 pmOntario

$837

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 1/7

4:45 pm-1:45 pm

2 stops18h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

3:50 pm-9:08 am

2 stops20h 18m

$566

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/8

12:41 pm-8:44 am

2 stops17h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:40 pm-12:16 pm

2 stops24h 36m

$619

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/22

4:45 pm-1:45 pm

2 stops18h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 1/29

7:00 am-10:13 pm

2 stops18h 13m

$641

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/8

12:41 pm-8:44 am

2 stops17h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

2:45 pm-9:05 pm

1 stop9h 20m

$671

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

6:00 am-11:40 pm

2 stops14h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

12:55 pm-10:34 pm

2 stops12h 39m

$687

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 1/22

5:05 am-2:11 pm

2 stops30h 06m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

8:00 pm-12:47 pm

2 stops19h 47m

$695

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

6:00 am-11:40 pm

2 stops14h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

12:55 pm-10:34 pm

2 stops12h 39m

$734

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 5/9

5:55 pm-12:16 pm

2 stops15h 21m

Montreal Pierre Elliott Trudeau Intl

Tue 5/12

9:28 am-10:09 pm

2 stops15h 41m

$747

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 3/12

6:00 am-11:11 pm

2 stops14h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 3/16

12:42 pm-9:04 pm

1 stop11h 22m

$755

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 5/9

10:59 pm-11:47 am

1 stop9h 48m

Montreal Pierre Elliott Trudeau Intl

Tue 5/12

9:28 am-10:09 pm

2 stops15h 41m

$765

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 $664. Flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $767. 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 $744.

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 26m
Direct flights	None

The fastest flight from Ontario to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 26m

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 2425.2 mi between Ontario and Montreal Pierre Elliott Trudeau Intl. In terms of flight time, this usually takes a little over 7h 11m.
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 2 as of December 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 55% of all bookings. The subsequent popular airline is Air Canada at 45%.

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 9,092 reviews		Search United Airlines flights
Air Canada	PriceFrom $419	Free Cancellation	Rating 7.1 10,515 reviews		Search Air Canada flights

Laval

Dorval

Longueuil

Brossard

Trois-Rivières

Magog

Cornwall

Boucherville

Sherbrooke

Drummondville

Saint-Jean-sur-Richelieu

Bromont

Montebello

Saint-Sauveur

North Hatley

Sutton

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

Flights from Newark to Montreal Pierre Elliott Trudeau Intl

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Flights from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl

Flights from San Francisco to Montreal Pierre Elliott Trudeau Intl

Cheap flights from Ontario to Montreal from $247

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 1/24. 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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Delta flights from Ontario to Montreal Pierre Elliott Trudeau Intl Airport

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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

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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 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

Fastest flight time

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