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Cheap flights from Montreal to Buenos Aires from C$ 403

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 18/3. 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.
United Airlines Logo
6:00 a.m. - 9:20 a.m.YUL-EZE
25h 20m2 stops
United Airlines Logo
11:55 p.m. - 9:17 p.m.EZE-YUL
47h 22m2 stops
C$ 1,074United Airlines
Find Deal
Thu, 15 Jan - Mon, 26 Jan
United Airlines Logo
6:00 a.m. - 9:20 a.m.YUL-EZE
25h 20m2 stops
United Airlines Logo
10:05 p.m. - 9:17 p.m.EZE-YUL
25h 12m2 stops
C$ 1,076United Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan
Avianca Logo
11:00 p.m. - 3:50 p.m.YUL-EZE
15h 50m1 stop
Avianca Logo
7:30 a.m. - 9:35 p.m.EZE-YUL
15h 05m1 stop
C$ 1,081Avianca
Find Deal
Mon, 16 Mar - Mon, 23 Mar
Arajet Logo
6:45 a.m. - 12:05 a.m.YUL-EZE
16h 20m1 stop
Arajet Logo
2:45 a.m. - 12:20 a.m.EZE-YUL
22h 35m1 stop
C$ 1,083Arajet
Find Deal
Mon, 6 Apr - Mon, 20 Apr
Air Canada Logo
10:45 p.m. - 2:30 p.m.YUL-EZE
14h 45m1 stop
Air Canada Logo
4:35 p.m. - 6:10 a.m.EZE-YUL
14h 35m1 stop
C$ 1,118Air Canada
Find Deal
Sun, 5 Apr - Thu, 23 Apr
LATAM Airlines Logo
7:00 a.m. - 2:00 p.m.YUL-AEP
30h 00m2 stops
LATAM Airlines Logo
2:55 p.m. - 5:07 p.m.AEP-YUL
27h 12m2 stops
C$ 1,118LATAM Airlines
Find Deal
Sun, 5 Apr - Mon, 20 Apr
Air Canada Logo
8:55 p.m. - 3:10 p.m.YUL-EZE
16h 15m1 stop
Air Canada Logo
4:45 p.m. - 6:10 a.m.EZE-YUL
15h 25m1 stop
C$ 1,121Air Canada
Find Deal
Tue, 3 Mar - Fri, 6 Mar
LATAM Airlines Logo
12:37 p.m. - 10:30 a.m.YUL-AEP
19h 53m2 stops
LATAM Airlines Logo
10:35 a.m. - 1:34 p.m.AEP-YUL
28h 59m2 stops
C$ 1,121LATAM Airlines
Find Deal
Tue, 23 Dec - Tue, 13 Jan
Copa Airlines Logo
7:35 a.m. - 1:57 a.m.YUL-EZE
16h 22m1 stop
Copa Airlines Logo
5:16 a.m. - 11:48 p.m.EZE-YUL
20h 32m1 stop
C$ 1,138Copa Airlines
Find Deal
Mon, 2 Feb - Wed, 18 Feb
Avianca Logo
3:00 p.m. - 5:50 a.m.YUL-EZE
36h 50m2 stops
Avianca Logo
2:40 a.m. - 8:35 p.m.EZE-YUL
19h 55m2 stops
C$ 1,169Avianca
Find Deal
Thu, 29 Jan - Thu, 12 Feb

United Airlines flights from Montreal to Buenos Aires

Our best United Airlines deals on Montreal to Buenos Aires flight tickets
United Airlines
15 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
26 Jan
EZE11:55 p.m.Buenos Aires Ministro Pistarini
47h 22m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,074
Find similar
United Airlines
15 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
22 Jan
EZE10:05 p.m.Buenos Aires Ministro Pistarini
25h 12m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,076
Find similar
United Airlines
28 Dec
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
28 Jan
EZE10:05 p.m.Buenos Aires Ministro Pistarini
25h 12m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,087
Find similar

Air Canada flights from Montreal to Buenos Aires

Our best Air Canada deals on Montreal to Buenos Aires flight tickets
Air Canada
5 Apr
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
14h 45m
1 stop
EZE2:30 p.m.Buenos Aires Ministro Pistarini
23 Apr
EZE4:35 p.m.Buenos Aires Ministro Pistarini
14h 35m
1 stop
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,118
Find similar
Air Canada
3 Mar
YUL8:55 p.m.Montreal Pierre Elliott Trudeau Intl
16h 15m
1 stop
EZE3:10 p.m.Buenos Aires Ministro Pistarini
6 Mar
EZE4:45 p.m.Buenos Aires Ministro Pistarini
15h 25m
1 stop
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,121
Find similar
Air Canada
5 Mar
YUL8:55 p.m.Montreal Pierre Elliott Trudeau Intl
16h 15m
1 stop
EZE3:10 p.m.Buenos Aires Ministro Pistarini
18 Mar
EZE4:45 p.m.Buenos Aires Ministro Pistarini
14h 50m
1 stop
YUL6:35 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,123
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 5 November 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

Thu 15/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Mon 26/1

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

2 stops47h 22m

C$ 1,074

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Thu 22/1

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

2 stops25h 12m

C$ 1,076

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

11:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Mon 23/3

7:30 a.m.-9:35 p.m.

1 stop15h 05m

C$ 1,081

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

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

1 stop16h 20m

Buenos Aires Ministro Pistarini

Mon 20/4

2:45 a.m.-12:20 a.m.

1 stop22h 35m

C$ 1,083

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

10:45 p.m.-2:30 p.m.

1 stop14h 45m

Buenos Aires Ministro Pistarini

Thu 23/4

4:35 p.m.-6:10 a.m.

1 stop14h 35m

C$ 1,118

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

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

2 stops30h 00m

Buenos Aires Jorge Newbery

Mon 20/4

2:55 p.m.-5:07 p.m.

2 stops27h 12m

C$ 1,118

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

8:55 p.m.-3:10 p.m.

1 stop16h 15m

Buenos Aires Ministro Pistarini

Fri 6/3

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

1 stop15h 25m

C$ 1,121

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 23/12

12:37 p.m.-10:30 a.m.

2 stops19h 53m

Buenos Aires Jorge Newbery

Tue 13/1

10:35 a.m.-1:34 p.m.

2 stops28h 59m

C$ 1,121

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:35 a.m.-1:57 a.m.

1 stop16h 22m

Buenos Aires Ministro Pistarini

Wed 18/2

5:16 a.m.-11:48 p.m.

1 stop20h 32m

C$ 1,138

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

3:00 p.m.-5:50 a.m.

2 stops36h 50m

Buenos Aires Ministro Pistarini

Thu 12/2

2:40 a.m.-8:35 p.m.

2 stops19h 55m

C$ 1,168

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$ 1,114, 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$ 1,133.

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$ 1,238. 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$ 1,326.

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$ 1,242. 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$ 1,310.

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$ 1,292 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$ 1,059 on momondo.

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

You could potentially save up to 3% 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 November 2025, 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

Direct flights

None
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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  • 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 45m.

  • 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$ 888Free CancellationRating
7.9
8,004 reviews
Search Delta flights
AviancaPriceFrom C$ 1,016Free CancellationRating
6.6
2,471 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,066Free CancellationRating
7.6
1,562 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,088Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
ArajetPriceFrom C$ 1,096Free CancellationRating
7.1
36 reviews
Search Arajet flights
United AirlinesPriceFrom C$ 1,139Free CancellationRating
7.4
9,001 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