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

Arajet, Air Canada, and Delta are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Buenos Aires

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$ 1,099.

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 42% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

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

Punta Cana (PUJ) has the shortest average layover time for this route: 2h 11m.

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: 43% of momondo users choosing one-stop flights on this route connected there.

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

Flights connecting via Punta Cana (PUJ) have the shortest average one-way travel time: 14h 52m.

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

As of May 2026, there are 7 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$ 473 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in 2026

Q: What is the typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,158 to C$ 1,069. The lowest price recently found on this route was C$ 742.

1 adult

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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.

2:30 p.m. - 11:05 a.m.

YUL

EZE

19h 35m

2 stops

8:35 p.m. - 9:38 p.m.

EZE

YUL

26h 03m

2 stops

C$ 742American Airlines

Tue, 16 Jun - Tue, 23 Jun

2:30 p.m. - 11:05 a.m.

YUL

EZE

19h 35m

2 stops

8:35 p.m. - 11:29 p.m.

EZE

YUL

27h 54m

1 stop

C$ 780American Airlines

Tue, 16 Jun - Tue, 23 Jun

7:30 a.m. - 11:05 a.m.

YUL

EZE

26h 35m

2 stops

8:25 p.m. - 9:50 a.m.

EZE

YUL

38h 25m

2 stops

C$ 906American Airlines

Tue, 29 Sep - Wed, 21 Oct

7:00 a.m. - 12:05 a.m.

YUL

EZE

16h 05m

1 stop

9:15 a.m. - 12:20 a.m.

EZE

YUL

16h 05m

1 stop

C$ 1,004Arajet

Mon, 1 Jun - Tue, 9 Jun

7:00 a.m. - 12:05 a.m.

YUL

EZE

16h 05m

1 stop

8:40 a.m. - 12:20 a.m.

EZE

YUL

16h 40m

1 stop

C$ 1,015Arajet

Mon, 1 Jun - Sun, 14 Jun

2:30 p.m. - 2:50 p.m.

YUL

AEP

23h 20m

2 stops

2:55 p.m. - 1:36 p.m.

AEP

YUL

24h 41m

2 stops

C$ 1,178Delta

Tue, 20 Oct - Mon, 8 Feb

7:00 a.m. - 4:00 p.m.

YUL

AEP

32h 00m

2 stops

5:05 p.m. - 5:03 p.m.

AEP

YUL

25h 58m

2 stops

C$ 1,185LATAM Airlines

Wed, 21 Oct - Mon, 8 Feb

6:15 p.m. - 7:40 a.m.

YUL

AEP

36h 25m

2 stops

9:05 p.m. - 6:50 p.m.

AEP

YUL

23h 45m

2 stops

C$ 1,188Delta

Thu, 29 Oct - Wed, 18 Nov

6:15 p.m. - 6:30 p.m.

YUL

AEP

23h 15m

2 stops

5:05 p.m. - 11:44 a.m.

AEP

YUL

20h 39m

2 stops

C$ 1,203LATAM Airlines

Tue, 20 Oct - Sat, 13 Feb

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$ 1,212Avianca

Mon, 1 Jun - Sun, 14 Jun

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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

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

American Airlines

16 Jun

YUL2:30 p.m.Montreal Pierre Elliott Trudeau Intl

19h 35m

2 stops

EZE11:05 a.m.Buenos Aires Ministro Pistarini

23 Jun

EZE8:35 p.m.Buenos Aires Ministro Pistarini

26h 03m

2 stops

YUL9:38 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 742

American Airlines

16 Jun

YUL2:30 p.m.Montreal Pierre Elliott Trudeau Intl

19h 35m

2 stops

EZE11:05 a.m.Buenos Aires Ministro Pistarini

23 Jun

EZE8:35 p.m.Buenos Aires Ministro Pistarini

27h 54m

1 stop

YUL11:29 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 780

American Airlines

29 Sep

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

26h 35m

2 stops

EZE11:05 a.m.Buenos Aires Ministro Pistarini

22 Oct

EZE8:25 p.m.Buenos Aires Ministro Pistarini

42h 09m

2 stops

YUL1:34 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 906

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

5 Oct

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

24h 15m

1 stop

EZE8:15 a.m.Buenos Aires Ministro Pistarini

24 Oct

EZE9:15 p.m.Buenos Aires Ministro Pistarini

28h 05m

1 stop

YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,102

Arajet

19 Oct

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

16h 05m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

12 Feb

EZE9:15 p.m.Buenos Aires Ministro Pistarini

14h 52m

1 stop

YUL10:07 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,108

Arajet

25 May

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

16h 05m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

11 Jun

EZE7:45 a.m.Buenos Aires Ministro Pistarini

17h 35m

1 stop

YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,110

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

Cheapest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

2:30 p.m.-11:05 a.m.

2 stops19h 35m

Buenos Aires Ministro Pistarini

Tue 23/6

8:35 p.m.-9:38 p.m.

2 stops26h 03m

C$ 742

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

2:30 p.m.-11:05 a.m.

2 stops19h 35m

Buenos Aires Ministro Pistarini

Tue 23/6

8:35 p.m.-11:29 p.m.

1 stop27h 54m

C$ 780

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

7:30 a.m.-11:05 a.m.

2 stops26h 35m

Buenos Aires Ministro Pistarini

Wed 21/10

8:25 p.m.-9:50 a.m.

2 stops38h 25m

C$ 906

Quickest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

7:00 a.m.-12:05 a.m.

1 stop16h 05m

Buenos Aires Ministro Pistarini

Tue 9/6

9:15 a.m.-12:20 a.m.

1 stop16h 05m

C$ 1,004

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

7:00 a.m.-12:05 a.m.

1 stop16h 05m

Buenos Aires Ministro Pistarini

Sun 14/6

8:40 a.m.-12:20 a.m.

1 stop16h 40m

C$ 1,015

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

2:30 p.m.-2:50 p.m.

2 stops23h 20m

Buenos Aires Jorge Newbery

Mon 8/2

2:55 p.m.-1:36 p.m.

2 stops24h 41m

C$ 1,178

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

7:00 a.m.-4:00 p.m.

2 stops32h 00m

Buenos Aires Jorge Newbery

Mon 8/2

5:05 p.m.-5:03 p.m.

2 stops25h 58m

C$ 1,185

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

6:15 p.m.-7:40 a.m.

2 stops36h 25m

Buenos Aires Jorge Newbery

Wed 18/11

9:05 p.m.-6:50 p.m.

2 stops23h 45m

C$ 1,188

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

6:15 p.m.-6:30 p.m.

2 stops23h 15m

Buenos Aires Jorge Newbery

Sat 13/2

5:05 p.m.-11:44 a.m.

2 stops20h 39m

C$ 1,203

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Sun 14/6

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

1 stop15h 35m

C$ 1,212

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 typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires?

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 April. Flight prices, which tend to average around C$ 332, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in April, then June is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires during June average around C$ 438.

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport 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$ 1,223 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$ 939 on momondo.

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

You could potentially save up to 50% 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 May 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights are approximately 42% 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	13h 55m
Direct flights	None

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires takes 13h 55m

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.

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Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

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 13h 55m.
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 May 2026, there are 7 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 (32% of total bookings). The next most popular airlines are Copa Airlines (22%), United Airlines (16%), and LATAM Airlines (9%).

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
Delta	PriceFrom C$ 552	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 778	Free Cancellation	Rating 7.5 1,578 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 815	Free Cancellation	Rating 6.5 47 reviews	Search Arajet flights
Air Canada	PriceFrom C$ 909	Free Cancellation	Rating 7.1 10,995 reviews	Search Air Canada flights
LATAM Airlines	PriceFrom C$ 966	Free Cancellation	Rating 7.4 1,915 reviews	Search LATAM Airlines flights
Avianca	PriceFrom C$ 1,009	Free Cancellation	Rating 6.5 2,520 reviews	Search Avianca flights
United Airlines	PriceFrom C$ 1,067	Free Cancellation	Rating 7.4 9,680 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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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 473

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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

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

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

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

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

What is the typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

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

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

What is the cheapest airline that flies 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?

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

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

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

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

Frequently asked questions about flying 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?

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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