What is the cheapest airline that flies from Montreal to Buenos Aires?

Arajet is the most popular carrier operating from Montreal to Buenos Aires

Which layover airport has the shortest connection time from Montreal to Buenos Aires?

Punta Cana (PUJ) has the shortest average layover time for this route: 1h 35m.

Which layover airport offers the lowest fares from Montreal to Buenos Aires?

Flights via Punta Cana (PUJ) offer the lowest average round-trip price of C$ 995.

Which layover airport has the shortest travel time from Montreal to Buenos Aires?

Flights connecting via Punta Cana (PUJ) have the shortest average one-way travel time: 14h 45m.

Which airport is the most popular layover for flights between Montreal and Buenos Aires?

Sao Paulo (GRU) was the most common stop: 53% 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 according to our data. Air Canada is the first choice among our users, with 54% 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.

When did momondo last update prices for flights from Montreal to Buenos Aires?

Prices for flights from Montreal to Buenos Aires are refreshed on a daily basis.

How many operators does momondo search for flights from Montreal to Buenos Aires?

As of December 2025, there are 6 operators available to choose from for flights from Montreal to Buenos Aires.

How old do you have to be to fly from Montreal to Buenos Aires?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Buenos Aires.

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

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 430 Cheap Flights from Montreal to Buenos Aires in 2025/26

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12:45 p.m. - 12:22 p.m.YUL-EZE

22h 37m2 stops

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

16h 30m1 stop

C$ 1,068Multiple Airlines

Find Deal

Mon, 13 Apr - Tue, 28 Apr

10:00 p.m. - 3:50 p.m.YUL-EZE

15h 50m1 stop

7:30 a.m. - 8:35 p.m.EZE-YUL

15h 05m1 stop

C$ 1,070Avianca

Find Deal

Wed, 21 Jan - Mon, 23 Feb

6:00 a.m. - 9:20 a.m.YUL-EZE

25h 20m2 stops

10:05 p.m. - 7:48 p.m.EZE-YUL

23h 43m2 stops

C$ 1,072United Airlines

Find Deal

Mon, 2 Feb - Tue, 17 Feb

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

23h 20m2 stops

10:05 p.m. - 9:17 p.m.EZE-YUL

25h 12m2 stops

C$ 1,073United Airlines

Find Deal

Mon, 2 Feb - Mon, 2 Mar

6:45 a.m. - 1:00 p.m.YUL-AEP

29h 15m2 stops

10:55 p.m. - 12:20 a.m.AEP-YUL

26h 25m2 stops

C$ 1,073Multiple Airlines

Find Deal

Mon, 9 Mar - Mon, 30 Mar

7:00 a.m. - 8:15 a.m.YUL-EZE

23h 15m1 stop

10:25 p.m. - 3:20 p.m.EZE-YUL

18h 55m2 stops

C$ 1,076American Airlines

Find Deal

Mon, 19 Jan - Mon, 2 Feb

8:35 a.m. - 2:30 a.m.YUL-EZE

16h 55m1 stop

3:52 a.m. - 12:40 a.m.EZE-YUL

21h 48m1 stop

C$ 1,080Copa Airlines

Find Deal

Wed, 1 Apr - Tue, 21 Apr

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

23h 20m2 stops

10:05 p.m. - 3:16 p.m.EZE-YUL

19h 11m2 stops

C$ 1,086United Airlines

Find Deal

Sat, 10 Jan - Mon, 26 Jan

3:00 p.m. - 12:35 a.m.YUL-EZE

31h 35m2 stops

7:30 a.m. - 8:35 p.m.EZE-YUL

15h 05m1 stop

C$ 1,087Avianca

Find Deal

Thu, 29 Jan - Fri, 13 Feb

7:00 a.m. - 2:00 p.m.YUL-AEP

29h 00m2 stops

3:40 p.m. - 11:25 a.m.AEP-YUL

21h 45m2 stops

C$ 1,173LATAM Airlines

Find Deal

Tue, 24 Feb - Thu, 5 Mar

Avianca flights from Montreal to Buenos Aires

Our best Avianca deals on Montreal to Buenos Aires flight tickets

Avianca

21 Jan

YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl

15h 50m

1 stop

EZE3:50 p.m.Buenos Aires Ministro Pistarini

23 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

15h 05m

1 stop

YUL8:35 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,070

Find similar

Avianca

29 Jan

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

31h 35m

2 stops

EZE12:35 a.m.Buenos Aires Ministro Pistarini

13 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

15h 05m

1 stop

YUL8:35 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,087

Find similar

Avianca

29 Jan

YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

31h 35m

2 stops

EZE12:35 a.m.Buenos Aires Ministro Pistarini

13 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

15h 05m

1 stop

YUL8:35 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,103

Find similar

United Airlines flights from Montreal to Buenos Aires

Our best United Airlines deals on Montreal to Buenos Aires flight tickets

United Airlines

2 Feb

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

25h 20m

2 stops

EZE9:20 a.m.Buenos Aires Ministro Pistarini

17 Feb

EZE10:05 p.m.Buenos Aires Ministro Pistarini

23h 43m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,072

Find similar

United Airlines

2 Feb

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

23h 20m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

2 Mar

EZE10:05 p.m.Buenos Aires Ministro Pistarini

25h 12m

2 stops

YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,073

Find similar

United Airlines

10 Jan

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

23h 20m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

26 Jan

EZE10:05 p.m.Buenos Aires Ministro Pistarini

19h 11m

2 stops

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,086

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

12:45 p.m.-12:22 p.m.

2 stops22h 37m

Buenos Aires Ministro Pistarini

Tue 28/4

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

1 stop16h 30m

C$ 1,068

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

10:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Mon 23/2

7:30 a.m.-8:35 p.m.

1 stop15h 05m

C$ 1,070

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

6:00 a.m.-9:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 17/2

10:05 p.m.-7:48 p.m.

2 stops23h 43m

C$ 1,072

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 2/3

10:05 p.m.-9:17 p.m.

2 stops25h 12m

C$ 1,073

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:45 a.m.-1:00 p.m.

2 stops29h 15m

Buenos Aires Jorge Newbery

Mon 30/3

10:55 p.m.-12:20 a.m.

2 stops26h 25m

C$ 1,073

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

7:00 a.m.-8:15 a.m.

1 stop23h 15m

Buenos Aires Ministro Pistarini

Mon 2/2

10:25 p.m.-3:20 p.m.

2 stops18h 55m

C$ 1,076

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

8:35 a.m.-2:30 a.m.

1 stop16h 55m

Buenos Aires Ministro Pistarini

Tue 21/4

3:52 a.m.-12:40 a.m.

1 stop21h 48m

C$ 1,080

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 26/1

10:05 p.m.-3:16 p.m.

2 stops19h 11m

C$ 1,086

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

3:00 p.m.-12:35 a.m.

2 stops31h 35m

Buenos Aires Ministro Pistarini

Fri 13/2

7:30 a.m.-8:35 p.m.

1 stop15h 05m

C$ 1,087

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:00 a.m.-2:00 p.m.

2 stops29h 00m

Buenos Aires Jorge Newbery

Thu 5/3

3:40 p.m.-11:25 a.m.

2 stops21h 45m

C$ 1,173

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How to get the cheapest flight ticket from Montreal 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 is in September. Flight prices, which tend to average around C$ 1,107, 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 May is your next best option. Flight prices from Montreal to Buenos Aires during May average around C$ 1,140.

What is the cheapest day to depart on your flight to Buenos Aires?

The cheapest day to depart on your flight to Buenos Aires is on a Wednesday when prices can be found for as low as C$ 1,230. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Buenos Aires for around C$ 1,318.

What is the cheapest time of day to depart on your flight to Buenos Aires?

According to our data, the cheapest time of day to fly to Buenos Aires is in the afternoon. momondo users have found flights departing from Montreal to Buenos Aires in the afternoon for as low as C$ 1,234. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of C$ 1,302.

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,268 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 for as low as C$ 940 on momondo.

Can stopping save me money on Montreal to Buenos Aires flights?

You could potentially save up to 21% on your flight if you consider stops on a Montreal to Buenos Aires flight.

How have Montreal to Buenos Aires flight prices changed over time?

As of December 2025, prices for Montreal to Buenos Aires flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to Buenos Aires

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

Estimated round-trip price

Cheap Montreal to Buenos Aires (YMQ to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Buenos Aires

Fastest flight time	14h 30m
Direct flights	None

The fastest flight from Montreal to Buenos Aires takes 14h 30m

There are no direct flights from Montreal to Buenos Aires. There are no popular flight routes from Montreal to Buenos Aires.

Search flight deals

How far is Montreal to Buenos Aires by plane?
A flight from Montreal to Buenos Aires will travel around 9031.8 km. In terms of flight time, this usually takes a little over 14h 35m.
When did momondo last update prices for flights from Montreal to Buenos Aires?
Prices for flights from Montreal to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Buenos Aires?
As of December 2025, there are 6 operators available to choose from for flights from Montreal to Buenos Aires.
How old do you have to be to fly from Montreal to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Montreal to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Buenos Aires is Air Canada (41% of total bookings). The next most popular airlines are United Airlines (24%), Copa Airlines (23%), and LATAM Airlines (6%).

Best airlines flying from Montreal to Buenos Aires

Compare and see reviews for airlines that fly from Montreal to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 592	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Avianca	PriceFrom C$ 709	Free Cancellation	Rating 6.6 2,478 reviews	Search Avianca flights
Copa Airlines	PriceFrom C$ 1,060	Free Cancellation	Rating 7.6 1,558 reviews	Search Copa Airlines flights
Air Canada	PriceFrom C$ 1,081	Free Cancellation	Rating 7.1 10,500 reviews	Search Air Canada flights
Arajet	PriceFrom C$ 1,090	Free Cancellation	Rating 6.9 37 reviews	Search Arajet flights
United Airlines	PriceFrom C$ 1,099	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Buenos Aires for you.

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?

Of course. momondo tracks the price of Montreal to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Fly to other destinations from Montreal

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Flights from Montreal Pierre Elliott Trudeau Intl to Halifax Intl

Cheap flights from Montreal to Buenos Aires from C$ 430

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Buenos Aires departing on 31/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montreal to Buenos Aires

Cheap round-trip flights

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Avianca flights from Montreal to Buenos Aires

Our best Avianca deals on Montreal to Buenos Aires flight tickets

United Airlines flights from Montreal to Buenos Aires

Our best United Airlines deals on Montreal to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Montreal 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

What is the cheapest month to fly to Buenos Aires?

What is the cheapest day to depart on your flight to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

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

Can stopping save me money on Montreal to Buenos Aires flights?

You could potentially save up to 21% on your flight if you consider stops on a Montreal to Buenos Aires flight.

How have Montreal to Buenos Aires flight prices changed over time?

As of December 2025, prices for Montreal to Buenos Aires flights are approximately 11% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Montreal to Buenos Aires?

Arajet is the most popular carrier operating from Montreal to Buenos Aires

Which airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Montreal and Buenos Aires?

Sao Paulo (GRU) was the most common stop: 53% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal to Buenos Aires?

Flights via Punta Cana (PUJ) offer the lowest average round-trip price of C$ 995.

Which layover airport has the shortest travel time from Montreal to Buenos Aires?

Flights connecting via Punta Cana (PUJ) have the shortest average one-way travel time: 14h 45m.

Which layover airport has the shortest connection time from Montreal to Buenos Aires?

Punta Cana (PUJ) has the shortest average layover time for this route: 1h 35m.

When to book flights from Montreal to Buenos Aires

Cheap Montreal to Buenos Aires (YMQ to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Buenos Aires

Fastest flight time

Direct flights

How far is Montreal to Buenos Aires by plane?

When did momondo last update prices for flights from Montreal to Buenos Aires?

How many operators does momondo search for flights from Montreal to Buenos Aires?

How old do you have to be to fly from Montreal to Buenos Aires?

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

What is the most popular airline from Montreal to Buenos Aires?

Best airlines flying from Montreal to Buenos Aires

Compare and see reviews for airlines that fly from Montreal 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