Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires?

Sao Paulo (GRU) was the most common stop: 46% of momondo users choosing one-stop flights on this route connected there.

Which airlines fly to Buenos Aires?

Air Canada, Copa Airlines and Avianca are the top three most popular airlines that fly to Buenos Aires from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 6 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Flights via Punta Cana (PUJ) offer the lowest average round-trip price of C$ 1,210.

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Sao Paulo (GRU) has the shortest average layover time for this route: 2h 01m.

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

Arajet is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to Buenos Aires

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 15h 08m.

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

As of February 2026, there are 6 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 456 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in 2026

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:00 p.m. - 3:50 p.m.

YUL

EZE

15h 50m

1 stop

4:55 p.m. - 9:35 p.m.

EZE

YUL

29h 40m

1 stop

C$ 1,090Avianca

Mon, 9 Mar - Sat, 28 Mar

11:00 p.m. - 5:40 a.m.

YUL

AEP

29h 40m

1 stop

7:00 a.m. - 9:35 p.m.

AEP

YUL

15h 35m

1 stop

C$ 1,092Avianca

Sun, 3 May - Wed, 13 May

6:45 a.m. - 12:05 a.m.

YUL

EZE

16h 20m

1 stop

8:40 a.m. - 12:15 a.m.

EZE

YUL

16h 35m

1 stop

C$ 1,092Arajet

Mon, 9 Mar - Sun, 15 Mar

11:00 p.m. - 5:40 a.m.

YUL

AEP

29h 40m

1 stop

7:00 a.m. - 9:35 p.m.

AEP

YUL

15h 35m

1 stop

C$ 1,094Avianca

Wed, 1 Apr - Thu, 7 May

11:00 p.m. - 12:35 a.m.

YUL

EZE

24h 35m

1 stop

7:30 a.m. - 9:35 p.m.

EZE

YUL

15h 05m

1 stop

C$ 1,094Avianca

Sun, 22 Mar - Wed, 25 Mar

11:00 p.m. - 9:00 p.m.

YUL

EZE

21h 00m

2 stops

8:50 a.m. - 12:20 a.m.

EZE

YUL

16h 30m

1 stop

C$ 1,095Multiple Airlines

Tue, 14 Apr - Tue, 28 Apr

7:00 a.m. - 6:20 a.m.

YUL

EZE

22h 20m

2 stops

9:05 p.m. - 3:16 p.m.

EZE

YUL

19h 11m

2 stops

C$ 1,096United Airlines

Sun, 8 Mar - Tue, 24 Mar

11:00 p.m. - 5:40 a.m.

YUL

AEP

29h 40m

1 stop

7:00 a.m. - 9:35 p.m.

AEP

YUL

15h 35m

1 stop

C$ 1,096Avianca

Wed, 1 Apr - Wed, 22 Apr

6:10 a.m. - 8:00 a.m.

YUL

EZE

24h 50m

2 stops

9:00 p.m. - 5:30 p.m.

EZE

YUL

45h 30m

2 stops

C$ 1,098United Airlines

Thu, 2 Apr - Sun, 12 Apr

12:42 p.m. - 4:00 p.m.

YUL

AEP

26h 18m

2 stops

11:30 a.m. - 5:31 p.m.

AEP

YUL

31h 01m

2 stops

C$ 1,122LATAM Airlines

Mon, 16 Mar - Wed, 25 Mar

Arajet flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Arajet deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets

Arajet

9 Mar

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

16h 20m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

15 Mar

EZE8:40 a.m.Buenos Aires Ministro Pistarini

16h 35m

1 stop

YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,092

Arajet

3 Jun

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

16h 20m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

19 Jun

EZE9:15 p.m.Buenos Aires Ministro Pistarini

14h 48m

1 stop

YUL11:03 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,150

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets

Delta

17 Mar

YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl

19h 18m

1 stop

EZE9:00 a.m.Buenos Aires Ministro Pistarini

23 Mar

EZE11:55 p.m.Buenos Aires Ministro Pistarini

18h 36m

1 stop

YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,116

Delta

8 Mar

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

23h 20m

1 stop

EZE7:20 a.m.Buenos Aires Ministro Pistarini

24 Mar

EZE8:55 p.m.Buenos Aires Ministro Pistarini

21h 36m

1 stop

YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,117

Delta

6 Mar

YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl

17h 46m

1 stop

EZE10:15 a.m.Buenos Aires Ministro Pistarini

17 Mar

EZE10:25 p.m.Buenos Aires Ministro Pistarini

16h 12m

1 stop

YUL1:37 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,118

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

11:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Sat 28/3

4:55 p.m.-9:35 p.m.

1 stop29h 40m

C$ 1,090

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 13/5

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,092

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:45 a.m.-12:05 a.m.

1 stop16h 20m

Buenos Aires Ministro Pistarini

Sun 15/3

8:40 a.m.-12:15 a.m.

1 stop16h 35m

C$ 1,092

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Thu 7/5

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,094

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

11:00 p.m.-12:35 a.m.

1 stop24h 35m

Buenos Aires Ministro Pistarini

Wed 25/3

7:30 a.m.-9:35 p.m.

1 stop15h 05m

C$ 1,094

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

11:00 p.m.-9:00 p.m.

2 stops21h 00m

Buenos Aires Ministro Pistarini

Tue 28/4

8:50 a.m.-12:20 a.m.

1 stop16h 30m

C$ 1,095

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

7:00 a.m.-6:20 a.m.

2 stops22h 20m

Buenos Aires Ministro Pistarini

Tue 24/3

9:05 p.m.-3:16 p.m.

2 stops19h 11m

C$ 1,096

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 22/4

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,096

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

6:10 a.m.-8:00 a.m.

2 stops24h 50m

Buenos Aires Ministro Pistarini

Sun 12/4

9:00 p.m.-5:30 p.m.

2 stops45h 30m

C$ 1,098

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

12:42 p.m.-4:00 p.m.

2 stops26h 18m

Buenos Aires Jorge Newbery

Wed 25/3

11:30 a.m.-5:31 p.m.

2 stops31h 01m

C$ 1,122

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 Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

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

Layovers

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Montreal Pierre Elliott Trudeau Intl Airport is in September. Flight prices, which tend to average around C$ 1,073, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in September, then August is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires during August average around C$ 1,090.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,210 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 920 on momondo.

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

You could potentially save up to 2% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight.

How have Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight prices changed over time?

As of February 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights are approximately 61% more expensive when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (YUL to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Fastest flight time	14h 00m
Direct flights	None

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires takes 14h 00m

There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.

Search flight deals

How far is Montreal Pierre Elliott Trudeau Intl to Buenos Aires by plane?
There are 9030.9 km between Montreal Pierre Elliott Trudeau Intl and Buenos Aires. By plane, this route typically takes 14h 00m.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires were last updated today.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
As of February 2026, there are 6 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
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 Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires is Air Canada (37% of total bookings). The next most popular airlines are Copa Airlines (25%), United Airlines (17%), and Avianca (8%).

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Arajet	PriceFrom C$ 506	Free Cancellation	Rating 6.6 43 reviews	Search Arajet flights
Avianca	PriceFrom C$ 512	Free Cancellation	Rating 6.5 2,498 reviews	Search Avianca flights
Delta	PriceFrom C$ 571	Free Cancellation	Rating 7.9 8,148 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 802	Free Cancellation	Rating 7.5 1,557 reviews	Search Copa Airlines flights
Air Canada	PriceFrom C$ 1,047	Free Cancellation	Rating 7.1 10,689 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,072	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from Montreal.

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

Yes. momondo allows you to filter the results for Montreal to Buenos Aires flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Montreal.

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

Yes. momondo can track prices for Montreal to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 441

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

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Arajet flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Arajet deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets

momondo Fare Finder

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

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight to Buenos Aires?

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

You could potentially save up to 2% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight.

How have Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight prices changed over time?

As of February 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights are approximately 61% more expensive when compared to flights at the same time last year.

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

Arajet is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to Buenos Aires

Which airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires?

Sao Paulo (GRU) was the most common stop: 46% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Flights via Punta Cana (PUJ) offer the lowest average round-trip price of C$ 1,210.

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 15h 08m.

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Sao Paulo (GRU) has the shortest average layover time for this route: 2h 01m.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (YUL to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Fastest flight time

Direct flights

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

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

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires with momondo

Why use momondo?

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

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

How can momondo help me find flights from Montreal to Buenos Aires?

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

An easier way to manage your Buenos Aires 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 Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires

Fly your favourite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

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

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year