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

Sao Paulo (GRU) was the most common stop: 36% 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$ 1,095.

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

Bogotá (BOG) has the shortest average layover time for this route: 2h 27m.

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 41% 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 travel time from Montreal to Buenos Aires?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 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 August 2026, there are 7 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$ 334 Cheap Flights from Montreal to Buenos Aires in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

16h 05m

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

16h 05m

C$ 699Arajet

Mon, 7 Sep - Tue, 6 Oct

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

16h 05m

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

16h 05m

C$ 790Arajet

Mon, 7 Sep - Tue, 22 Sep

7:00 a.m. - 9:10 p.m.-

37h 10m

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

16h 05m

C$ 835Multiple Airlines

Mon, 7 Sep - Tue, 6 Oct

7:00 a.m. - 1:05 p.m.-

29h 05m

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

16h 05m

C$ 980Multiple Airlines

Mon, 7 Sep - Tue, 22 Sep

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

16h 55m

3:48 a.m. - 12:40 a.m.-

21h 52m

C$ 1,095Copa Airlines

Wed, 19 Aug - Sun, 30 Aug

8:35 a.m. - 4:21 a.m.-

18h 46m

5:25 a.m. - 12:40 a.m.-

20h 15m

C$ 1,095Copa Airlines

Mon, 24 Aug - Tue, 8 Sep

10:20 p.m. - 3:50 p.m.-

15h 30m

1:40 a.m. - 8:45 p.m.-

21h 05m

C$ 1,167Avianca

Sat, 5 Dec - Fri, 18 Dec

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

15h 50m

7:30 a.m. - 8:45 p.m.-

15h 15m

C$ 1,167Avianca

Fri, 8 Jan - Sat, 23 Jan

9:28 a.m. - 7:35 a.m.-

20h 07m

11:35 p.m. - 6:50 p.m.-

20h 15m

C$ 1,167Delta

Wed, 13 Jan - Tue, 16 Mar

9:30 a.m. - 9:40 a.m.-

23h 10m

1:10 p.m. - 11:38 a.m.-

23h 28m

C$ 1,167Delta

Wed, 14 Oct - Wed, 21 Oct

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Arajet flights from Montreal to Buenos Aires

Our best Arajet deals on Montreal to Buenos Aires flight tickets

Arajet

7 Sep

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

16h 05m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

6 Oct

EZE9:15 a.m.Buenos Aires Ministro Pistarini

16h 05m

1 stop

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

C$ 699

Arajet

7 Sep

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

16h 05m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

22 Sep

EZE9:15 a.m.Buenos Aires Ministro Pistarini

16h 05m

1 stop

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

C$ 790

Arajet

5 Oct

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

16h 05m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

14 Oct

EZE9:15 p.m.Buenos Aires Ministro Pistarini

28h 05m

1 stop

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

C$ 896

American Airlines flights from Montreal to Buenos Aires

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

American Airlines

13 Jan

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

23h 15m

1 stop

EZE8:15 a.m.Buenos Aires Ministro Pistarini

16 Mar

EZE10:30 p.m.Buenos Aires Ministro Pistarini

17h 38m

1 stop

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,074

American Airlines

27 Aug

YUL7:14 a.m.Montreal Pierre Elliott Trudeau Intl

24h 31m

1 stop

EZE8:45 a.m.Buenos Aires Ministro Pistarini

3 Sep

EZE11:35 p.m.Buenos Aires Ministro Pistarini

24h 51m

1 stop

YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,075

American Airlines

5 Aug

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

19h 35m

2 stops

EZE11:05 a.m.Buenos Aires Ministro Pistarini

19 Aug

EZE9:05 p.m.Buenos Aires Ministro Pistarini

20h 45m

2 stops

YUL4:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,307

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

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

1 stop16h 05m

Buenos Aires Ministro Pistarini

Tue 6/10

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

1 stop16h 05m

C$ 699

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

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

1 stop16h 05m

Buenos Aires Ministro Pistarini

Tue 22/9

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

1 stop16h 05m

C$ 790

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

7:00 a.m.-9:10 p.m.

2 stops37h 10m

Buenos Aires Ministro Pistarini

Tue 6/10

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

1 stop16h 05m

C$ 835

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

7:00 a.m.-1:05 p.m.

2 stops29h 05m

Buenos Aires Ministro Pistarini

Tue 22/9

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

1 stop16h 05m

C$ 980

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

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

1 stop16h 55m

Buenos Aires Ministro Pistarini

Sun 30/8

3:48 a.m.-12:40 a.m.

1 stop21h 52m

C$ 1,095

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

8:35 a.m.-4:21 a.m.

1 stop18h 46m

Buenos Aires Ministro Pistarini

Tue 8/9

5:25 a.m.-12:40 a.m.

1 stop20h 15m

C$ 1,095

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

10:20 p.m.-3:50 p.m.

1 stop15h 30m

Buenos Aires Ministro Pistarini

Fri 18/12

1:40 a.m.-8:45 p.m.

1 stop21h 05m

C$ 1,167

Quickest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

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

1 stop15h 50m

Buenos Aires Ministro Pistarini

Sat 23/1

7:30 a.m.-8:45 p.m.

1 stop15h 15m

C$ 1,167

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 13/1

9:28 a.m.-7:35 a.m.

2 stops20h 07m

Buenos Aires Ministro Pistarini

Tue 16/3

11:35 p.m.-6:50 p.m.

2 stops20h 15m

C$ 1,167

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

9:30 a.m.-9:40 a.m.

2 stops23h 10m

Buenos Aires Ministro Pistarini

Wed 21/10

1:10 p.m.-11:38 a.m.

2 stops23h 28m

C$ 1,167

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 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 and Buenos Aires?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,087 to C$ 1,282.
The lowest price recently found on this route was C$ 699.

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$ 1,134, 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 November is your next best option. Flight prices from Montreal to Buenos Aires during November average around C$ 1,162.

How far in advance should I book a flight from Montreal 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$ 1,257 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$ 1,033 on momondo.

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

You could potentially save up to 65% 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 August 2026, prices for Montreal to Buenos Aires flights are approximately 54% more expensive 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	15h 16m
Direct flights	None

The fastest flight from Montreal to Buenos Aires takes 15h 16m

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

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Frequently asked questions about flying from Montreal to Buenos Aires

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 15h 16m.
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 August 2026, there are 7 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 United Airlines (28% of total bookings). The next most popular airlines are Copa Airlines (23%), Air Canada (23%), and Avianca (12%).

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$ 587	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
Arajet	PriceFrom C$ 824	Free Cancellation	Rating 6.3 51 reviews	Search Arajet flights
Copa Airlines	PriceFrom C$ 1,069	Free Cancellation	Rating 7.6 1,564 reviews	Search Copa Airlines flights
Air Canada	PriceFrom C$ 1,077	Free Cancellation	Rating 7.1 11,426 reviews	Search Air Canada flights
Avianca	PriceFrom C$ 1,101	Free Cancellation	Rating 6.5 2,522 reviews	Search Avianca flights
United Airlines	PriceFrom C$ 1,102	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom C$ 1,135	Free Cancellation	Rating 7.4 1,969 reviews	Search LATAM 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.

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Fly into one of these airports located in Buenos Aires

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Cheap flights from Montreal to Buenos Aires from C$ 334

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 30/9. 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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Arajet flights from Montreal to Buenos Aires

Our best Arajet deals on Montreal to Buenos Aires flight tickets

American Airlines flights from Montreal to Buenos Aires

Our best American 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

What is the typical price of a round-trip flight between Montreal and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

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

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

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

What is the cheapest airline that flies 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?

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

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

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

When to book flights from Montreal to Buenos Aires

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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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