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$ 1,056.

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

Punta Cana (PUJ) was the most common stop: 29% 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 34% 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.

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

United Airlines and Copa Airlines are the most popular carriers operating from Montreal to Buenos Aires

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 September 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$ 432 Cheap Flights from Montreal to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

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7:00 a.m. - 12:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

16h 05m1 stop Punta Cana

11:00 a.m. - 12:15 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

15h 15m1 stop Punta Cana

C$ 831Arajet

Wed, 7 Oct - Thu, 10 Dec

6:45 a.m. - 12:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

15h 20m1 stop Punta Cana

11:00 a.m. - 12:15 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

15h 15m1 stop Punta Cana

C$ 911Arajet

Mon, 9 Nov - Tue, 8 Dec

6:45 a.m. - 1:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

28h 35m2 stops Punta Cana Mendoza El Plumerillo

11:00 a.m. - 12:15 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

15h 15m1 stop Punta Cana

C$ 925Multiple Airlines

Mon, 16 Nov - Tue, 8 Dec

2:24 p.m. - 8:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

16h 16m2 stops Charlotte Douglas Miami

9:40 p.m. - 3:28 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

19h 48m2 stops Miami Philadelphia

C$ 927American Airlines

Fri, 13 Nov - Fri, 4 Dec

12:44 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

19h 06m2 stops Atlanta Hartsfield-Jackson Miami

9:30 p.m. - 3:58 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

20h 28m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 1,167Delta

Thu, 12 Nov - Sun, 22 Nov

9:28 a.m. - 9:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

22h 12m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

11:35 p.m. - 11:10 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

25h 35m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 1,167Delta

Tue, 12 Jan - Wed, 10 Feb

7:00 a.m. - 9:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

24h 40m1 stop Atlanta Hartsfield-Jackson

7:20 a.m. - 11:51 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

18h 31m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

C$ 1,173LATAM Airlines

Tue, 12 Jan - Wed, 10 Feb

12:44 p.m. - 4:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-AEP Buenos Aires Jorge Newbery

25h 16m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

5:35 p.m. - 5:34 p.m.AEP Buenos Aires Jorge Newbery-YUL Montreal Pierre Elliott Trudeau Intl

25h 59m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

C$ 1,176LATAM Airlines

Mon, 16 Nov - Thu, 3 Dec

5:10 p.m. - 3:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

19h 55m1 stop Toronto Pearson Intl

4:45 p.m. - 10:25 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

19h 40m1 stop Toronto Pearson Intl

C$ 1,191Air Canada

Tue, 17 Nov - Fri, 27 Nov

11:10 a.m. - 3:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

25h 55m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

4:45 p.m. - 6:10 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

15h 25m1 stop Sao Paulo Guarulhos Intl

C$ 1,208Air Canada

Tue, 17 Nov - Sat, 28 Nov

Cheap one-way flights

Enter your travel dates to find the best prices.

7:00 a.m. - 12:56 a.m.YUL Montreal Pierre Elliott Trudeau Intl-AEP Buenos Aires Jorge Newbery

39h 56m2 stops Punta Cana Mendoza El Plumerillo

C$ 432Multiple Airlines

Mon, 16 Nov

7:00 a.m. - 12:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

16h 05m1 stop Punta Cana

C$ 434Arajet

Wed, 30 Sep

7:00 a.m. - 11:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-AEP Buenos Aires Jorge Newbery

50h 20m3 stops Punta Cana Lima J Chavez Intl Santiago Arturo Merino Benitez

C$ 455Multiple Airlines

Mon, 2 Nov

7:00 a.m. - 12:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

16h 05m1 stop Punta Cana

C$ 467Arajet

Wed, 7 Oct

12:45 p.m. - 10:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

43h 55m2 stops Atlanta Hartsfield-Jackson Santiago Arturo Merino Benitez

C$ 594LATAM Airlines

Tue, 5 Jan

5:10 p.m. - 3:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

19h 55m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

C$ 608Air Canada

Tue, 17 Nov

9:20 p.m. - 3:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

39h 45m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

C$ 608Air Canada

Sat, 21 Nov

4:45 p.m. - 7:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

36h 35m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

C$ 671United Airlines

Tue, 9 Mar

4:45 p.m. - 7:20 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

36h 35m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

C$ 671United Airlines

Wed, 11 Nov

7:00 a.m. - 7:35 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

22h 35m1 stop Atlanta Hartsfield-Jackson

C$ 701LATAM Airlines

Sun, 29 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 a.m. - 12:05 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

16h 05m1 stop Punta Cana

11:00 a.m. - 12:20 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

14h 20m1 stop Punta Cana

C$ 1,039Arajet

Wed, 23 Sep - Tue, 13 Oct

2:25 p.m. - 9:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

18h 20m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

8:10 p.m. - 6:58 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

23h 48m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

C$ 1,167Delta

Mon, 21 Sep - Tue, 6 Oct

6:47 p.m. - 9:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

13h 58m1 stop Atlanta Hartsfield-Jackson

8:10 p.m. - 11:54 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

28h 44m1 stop Atlanta Hartsfield-Jackson

C$ 1,170Delta

Mon, 21 Sep - Tue, 6 Oct

6:47 p.m. - 9:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

13h 58m1 stop Atlanta Hartsfield-Jackson

8:10 p.m. - 5:36 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

22h 26m1 stop Atlanta Hartsfield-Jackson

C$ 1,183LATAM Airlines

Tue, 22 Sep - Thu, 1 Oct

6:47 p.m. - 9:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

13h 58m1 stop Atlanta Hartsfield-Jackson

8:10 p.m. - 5:38 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

22h 28m1 stop Atlanta Hartsfield-Jackson

C$ 1,183LATAM Airlines

Mon, 21 Sep - Tue, 6 Oct

8:35 a.m. - 4:36 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

19h 01m1 stop Panama City Tocumen Intl

2:49 p.m. - 12:40 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

34h 51m1 stop Panama City Tocumen Intl

C$ 1,231Copa Airlines

Sat, 19 Sep - Sat, 26 Sep

12:44 p.m. - 2:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

37h 01m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

11:00 a.m. - 12:20 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

14h 20m1 stop Punta Cana

C$ 1,358Multiple Airlines

Wed, 23 Sep - Tue, 13 Oct

9:15 a.m. - 8:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

21h 45m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 9:26 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

25h 26m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 1,381United Airlines

Wed, 23 Sep - Tue, 13 Oct

9:15 a.m. - 8:00 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

21h 45m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:00 p.m. - 5:30 p.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

21h 30m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 1,385United Airlines

Mon, 21 Sep - Tue, 6 Oct

9:55 p.m. - 12:25 a.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

49h 30m2 stops Toronto Pearson Intl Bogotá El Dorado

4:35 p.m. - 6:10 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

14h 35m1 stop Sao Paulo Guarulhos Intl

C$ 1,519Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

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Arajet flights from Montreal to Buenos Aires

Our best Arajet deals on Montreal to Buenos Aires flight tickets

Arajet

7 Oct

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

16h 05m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

10 Dec

EZE11:00 a.m.Buenos Aires Ministro Pistarini

15h 15m

1 stop

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

C$ 831

Arajet

9 Nov

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

15h 20m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

8 Dec

EZE11:00 a.m.Buenos Aires Ministro Pistarini

15h 15m

1 stop

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

C$ 911

Arajet

25 Nov

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

16h 45m

1 stop

EZE1:45 a.m.Buenos Aires Ministro Pistarini

10 Dec

EZE11:00 a.m.Buenos Aires Ministro Pistarini

15h 15m

1 stop

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

C$ 930

American Airlines flights from Montreal to Buenos Aires

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

American Airlines

13 Nov

YUL2:24 p.m.Montreal Pierre Elliott Trudeau Intl

16h 16m

2 stops

EZE8:40 a.m.Buenos Aires Ministro Pistarini

4 Dec

EZE9:40 p.m.Buenos Aires Ministro Pistarini

19h 48m

2 stops

YUL3:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 927

American Airlines

13 Nov

YUL1:04 p.m.Montreal Pierre Elliott Trudeau Intl

17h 36m

2 stops

EZE8:40 a.m.Buenos Aires Ministro Pistarini

25 Nov

EZE11:00 p.m.Buenos Aires Ministro Pistarini

16h 42m

2 stops

YUL1:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 929

American Airlines

15 Nov

YUL7:33 a.m.Montreal Pierre Elliott Trudeau Intl

24h 27m

2 stops

EZE10:00 a.m.Buenos Aires Ministro Pistarini

23 Nov

EZE9:30 p.m.Buenos Aires Ministro Pistarini

19h 56m

2 stops

YUL3:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 932

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

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

1 stop16h 05m

Buenos Aires Ministro Pistarini

Thu 10/12

11:00 a.m.-12:15 a.m.

1 stop15h 15m

C$ 831

Quickest round-trip

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

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

1 stop15h 20m

Buenos Aires Ministro Pistarini

Tue 8/12

11:00 a.m.-12:15 a.m.

1 stop15h 15m

C$ 911

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

6:45 a.m.-1:20 p.m.

2 stops28h 35m

Buenos Aires Ministro Pistarini

Tue 8/12

11:00 a.m.-12:15 a.m.

1 stop15h 15m

C$ 925

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 13/11

2:24 p.m.-8:40 a.m.

2 stops16h 16m

Buenos Aires Ministro Pistarini

Fri 4/12

9:40 p.m.-3:28 p.m.

2 stops19h 48m

C$ 927

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

12:44 p.m.-9:50 a.m.

2 stops19h 06m

Buenos Aires Ministro Pistarini

Sun 22/11

9:30 p.m.-3:58 p.m.

2 stops20h 28m

C$ 1,167

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

9:28 a.m.-9:40 a.m.

2 stops22h 12m

Buenos Aires Ministro Pistarini

Wed 10/2

11:35 p.m.-11:10 p.m.

2 stops25h 35m

C$ 1,167

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 12/1

7:00 a.m.-9:40 a.m.

1 stop24h 40m

Buenos Aires Ministro Pistarini

Wed 10/2

7:20 a.m.-11:51 p.m.

2 stops18h 31m

C$ 1,173

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - AEP Buenos Aires Jorge Newbery

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

12:44 p.m.-4:00 p.m.

2 stops25h 16m

Buenos Aires Jorge Newbery

Thu 3/12

5:35 p.m.-5:34 p.m.

2 stops25h 59m

C$ 1,176

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

5:10 p.m.-3:05 p.m.

1 stop19h 55m

Buenos Aires Ministro Pistarini

Fri 27/11

4:45 p.m.-10:25 a.m.

1 stop19h 40m

C$ 1,191

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

11:10 a.m.-3:05 p.m.

2 stops25h 55m

Buenos Aires Ministro Pistarini

Sat 28/11

4:45 p.m.-6:10 a.m.

1 stop15h 25m

C$ 1,208

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 typical for flights on this route.

Typical prices usually range from C$ 611 to C$ 1,222.
The lowest price recently found on this route was C$ 831.

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$ 1,118, 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 to Buenos Aires during August average around C$ 1,158.

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$ 1,265 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$ 1,096 on momondo.

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

You could potentially save up to 55% 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 September 2026, prices for Montreal to Buenos Aires flights are approximately 5% 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

Best price found	C$ 432
Fastest flight time	14h 05m
Direct flights	None

The best one-way flight to Buenos Aires from Montreal in the past 72 hours is C$ 432. The best round-trip flight deal from Montreal to Buenos Aires found on momondo in the last 72 hours is C$ 831.

The fastest flight from Montreal to Buenos Aires takes 14h 05m

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 14h 05m.
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 September 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 (22%), Avianca (16%), and Air Canada (15%).

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$ 584	Free Cancellation	Rating 7.8 8,581 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 690	Free Cancellation	Rating 7.6 1,543 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 705	Free Cancellation	Rating 6.2 55 reviews	Search Arajet flights
Air Canada	PriceFrom C$ 875	Free Cancellation	Rating 7.1 11,644 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 1,095	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
Avianca	PriceFrom C$ 1,106	Free Cancellation	Rating 6.5 2,549 reviews	Search Avianca flights
LATAM Airlines	PriceFrom C$ 1,127	Free Cancellation	Rating 7.4 1,985 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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Cheap flights from Montreal to Buenos Aires from C$ 432

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 16/11. 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

Best price found

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.

Popular Cities in Argentina

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

Fly to other destinations from Montreal

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year