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Cheap flights from Montreal to Buenos Aires from C$ 443

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 20/3. 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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Find the cheapest flights from Montreal to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Arajet Logo
6:45 a.m. - 12:05 a.m.
YUL
-
EZE
16h 20m1 stop
Arajet Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m1 stop
C$ 1,075Arajet
Mon, 15 Jun - Tue, 1 Sep
Copa Airlines Logo
8:41 a.m. - 7:55 a.m.
YUL
-
EZE
22h 14m1 stop
Copa Airlines Logo
2:30 a.m. - 12:40 a.m.
EZE
-
YUL
23h 10m1 stop
C$ 1,079Copa Airlines
Fri, 20 Mar - Sat, 28 Mar
United Airlines Logo
6:00 a.m. - 7:20 a.m.
YUL
-
EZE
23h 20m2 stops
United Airlines Logo
11:55 p.m. - 9:42 p.m.
EZE
-
YUL
23h 47m2 stops
C$ 1,084United Airlines
Tue, 10 Feb - Mon, 23 Feb
American Airlines Logo
2:25 p.m. - 10:40 a.m.
YUL
-
EZE
18h 15m2 stops
American Airlines Logo
11:20 p.m. - 11:24 p.m.
EZE
-
YUL
26h 04m1 stop
C$ 1,086American Airlines
Mon, 2 Feb - Sun, 8 Feb
American Airlines Logo
7:00 a.m. - 7:10 a.m.
YUL
-
EZE
23h 10m1 stop
American Airlines Logo
11:30 p.m. - 11:29 p.m.
EZE
-
YUL
24h 59m1 stop
C$ 1,089American Airlines
Mon, 9 Mar - Sat, 28 Mar
United Airlines Logo
6:00 a.m. - 7:20 a.m.
YUL
-
EZE
23h 20m2 stops
United Airlines Logo
11:55 p.m. - 9:17 p.m.
EZE
-
YUL
23h 22m2 stops
C$ 1,099United Airlines
Tue, 10 Feb - Sun, 22 Feb
LATAM Airlines Logo
2:45 p.m. - 6:40 p.m.
YUL
-
AEP
25h 55m2 stops
LATAM Airlines Logo
3:40 p.m. - 11:45 a.m.
AEP
-
YUL
22h 05m2 stops
C$ 1,114LATAM Airlines
Mon, 12 Jan - Wed, 4 Feb
LATAM Airlines Logo
2:45 p.m. - 6:40 p.m.
YUL
-
AEP
25h 55m2 stops
LATAM Airlines Logo
3:40 p.m. - 11:45 a.m.
AEP
-
YUL
22h 05m2 stops
C$ 1,115LATAM Airlines
Mon, 12 Jan - Wed, 4 Feb
Multiple Airlines Logo
6:45 a.m. - 9:40 a.m.
YUL
-
AEP
25h 55m2 stops
Multiple Airlines Logo
5:10 p.m. - 7:15 p.m.
AEP
-
YUL
27h 05m1 stop
C$ 1,164Multiple Airlines
Mon, 9 Mar - Thu, 7 May
Multiple Airlines Logo
6:45 a.m. - 9:40 a.m.
YUL
-
AEP
25h 55m2 stops
Multiple Airlines Logo
7:00 a.m. - 10:05 p.m.
AEP
-
YUL
16h 05m1 stop
C$ 1,185Multiple Airlines
Mon, 9 Mar - Mon, 11 May

Arajet flights from Montreal to Buenos Aires

Our best Arajet deals on Montreal to Buenos Aires flight tickets
Arajet
15 Jun
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
1 Sep
EZE11:00 a.m.Buenos Aires Ministro Pistarini
14h 20m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,075
Find similar
Arajet
11 Feb
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
26 Feb
EZE11:15 a.m.Buenos Aires Ministro Pistarini
15h 00m
1 stop
YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,096
Find similar
Arajet
11 Feb
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
24 Feb
EZE11:15 a.m.Buenos Aires Ministro Pistarini
15h 00m
1 stop
YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,137
Find similar

Copa Airlines flights from Montreal to Buenos Aires

Our best Copa Airlines deals on Montreal to Buenos Aires flight tickets
Copa Airlines
20 Mar
YUL8:41 a.m.Montreal Pierre Elliott Trudeau Intl
22h 14m
1 stop
EZE7:55 a.m.Buenos Aires Ministro Pistarini
28 Mar
EZE2:30 a.m.Buenos Aires Ministro Pistarini
23h 10m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,079
Find similar
Copa Airlines
26 Jan
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
22h 22m
1 stop
EZE7:57 a.m.Buenos Aires Ministro Pistarini
9 Feb
EZE3:47 a.m.Buenos Aires Ministro Pistarini
22h 01m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,085
Find similar
Copa Airlines
20 Jan
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
15h 29m
1 stop
EZE1:04 a.m.Buenos Aires Ministro Pistarini
30 Mar
EZE5:32 a.m.Buenos Aires Ministro Pistarini
20h 08m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,100
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 30 December 2025.
Use the filters below to find and compare flights from Montreal 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 15/6

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

1 stop16h 20m

Buenos Aires Ministro Pistarini

Tue 1/9

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,075

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

8:41 a.m.-7:55 a.m.

1 stop22h 14m

Buenos Aires Ministro Pistarini

Sat 28/3

2:30 a.m.-12:40 a.m.

1 stop23h 10m

C$ 1,079

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 23/2

11:55 p.m.-9:42 p.m.

2 stops23h 47m

C$ 1,084

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

2:25 p.m.-10:40 a.m.

2 stops18h 15m

Buenos Aires Ministro Pistarini

Sun 8/2

11:20 p.m.-11:24 p.m.

1 stop26h 04m

C$ 1,086

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

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

1 stop23h 10m

Buenos Aires Ministro Pistarini

Sat 28/3

11:30 p.m.-11:29 p.m.

1 stop24h 59m

C$ 1,089

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Sun 22/2

11:55 p.m.-9:17 p.m.

2 stops23h 22m

C$ 1,099

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

2:45 p.m.-6:40 p.m.

2 stops25h 55m

Buenos Aires Jorge Newbery

Wed 4/2

3:40 p.m.-11:45 a.m.

2 stops22h 05m

C$ 1,114

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

2:45 p.m.-6:40 p.m.

2 stops25h 55m

Buenos Aires Jorge Newbery

Wed 4/2

3:40 p.m.-11:45 a.m.

2 stops22h 05m

C$ 1,115

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:45 a.m.-9:40 a.m.

2 stops25h 55m

Buenos Aires Jorge Newbery

Thu 7/5

5:10 p.m.-7:15 p.m.

1 stop27h 05m

C$ 1,164

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:45 a.m.-9:40 a.m.

2 stops25h 55m

Buenos Aires Jorge Newbery

Mon 11/5

7:00 a.m.-10:05 p.m.

1 stop16h 05m

C$ 1,185

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Buenos Aires from

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

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$ 1,086, 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$ 1,100.

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$ 1,224 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$ 922 on momondo.

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

You could potentially save up to 4% 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

15h 15m

Direct flights

Wed

Airports in Buenos Aires

2 airports
The fastest flight from Montreal to Buenos Aires takes 15h 15m
Direct flights go from Montreal to Buenos Aires on Wednesday. There are no airlines offering direct flights.
There are 2 airports in Buenos Aires. From Montreal there are direct flights to Buenos Aires Ministro Pistarini (EZE).
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 15h 15m.

  • 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?

  • 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?

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
DeltaPriceFrom C$ 579Free CancellationRating
7.9
8,017 reviews
Search Delta flights
AviancaPriceFrom C$ 987Free CancellationRating
6.6
2,491 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,035Free CancellationRating
7.6
1,565 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 1,047Free CancellationRating
6.6
40 reviews
Search Arajet flights
Air CanadaPriceFrom C$ 1,056Free CancellationRating
7.1
10,564 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,074Free CancellationRating
7.4
9,122 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.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport