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Cheap flights from Montreal to Buenos Aires from C$ 428

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 2/2. 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
9:05 p.m. - 8:32 p.m.EZE-YUL
24h 27m2 stops
C$ 1,067United Airlines
Find Deal
Wed, 14 Jan - Tue, 10 Mar
Copa Airlines Logo
7:10 a.m. - 1:00 a.m.YUL-EZE
15h 50m1 stop
Copa Airlines Logo
10:01 a.m. - 11:43 p.m.EZE-YUL
15h 42m1 stop
C$ 1,069Copa Airlines
Find Deal
Tue, 11 Nov - Tue, 25 Nov
United Airlines Logo
6:00 a.m. - 9:20 a.m.YUL-EZE
25h 20m2 stops
United Airlines Logo
11:55 p.m. - 2:00 p.m.EZE-YUL
40h 05m2 stops
C$ 1,071United Airlines
Find Deal
Tue, 6 Jan - Wed, 28 Jan
Copa Airlines Logo
7:10 a.m. - 4:22 a.m.YUL-EZE
19h 12m1 stop
Copa Airlines Logo
2:15 a.m. - 11:43 p.m.EZE-YUL
23h 28m1 stop
C$ 1,077Copa Airlines
Find Deal
Fri, 28 Nov - Thu, 4 Dec
United Airlines Logo
6:00 a.m. - 9:20 a.m.YUL-EZE
25h 20m2 stops
United Airlines Logo
10:05 p.m. - 7:48 p.m.EZE-YUL
23h 43m2 stops
C$ 1,081United Airlines
Find Deal
Fri, 16 Jan - Wed, 28 Jan
LATAM Airlines Logo
7:00 a.m. - 6:43 p.m.YUL-EZE
33h 43m2 stops
LATAM Airlines Logo
4:05 a.m. - 11:59 p.m.EZE-YUL
21h 54m2 stops
C$ 1,112LATAM Airlines
Find Deal
Fri, 14 Nov - Sun, 7 Dec
LATAM Airlines Logo
7:00 a.m. - 7:40 p.m.YUL-AEP
34h 40m2 stops
LATAM Airlines Logo
3:40 p.m. - 5:04 p.m.AEP-YUL
26h 24m2 stops
C$ 1,113LATAM Airlines
Find Deal
Mon, 12 Jan - Wed, 11 Mar
Air Canada Logo
8:55 p.m. - 3:10 p.m.YUL-EZE
16h 15m1 stop
Air Canada Logo
4:45 p.m. - 6:35 a.m.EZE-YUL
14h 50m1 stop
C$ 1,119Air Canada
Find Deal
Sat, 7 Mar - Wed, 18 Mar
Air Canada Logo
9:10 a.m. - 3:10 p.m.YUL-EZE
29h 00m2 stops
Air Canada Logo
4:45 p.m. - 6:35 a.m.EZE-YUL
14h 50m1 stop
C$ 1,124Air Canada
Find Deal
Sat, 14 Mar - Fri, 27 Mar
Avianca Logo
10:00 p.m. - 3:50 p.m.YUL-EZE
15h 50m1 stop
Avianca Logo
2:40 a.m. - 8:35 p.m.EZE-YUL
19h 55m2 stops
C$ 1,155Avianca
Find Deal
Wed, 28 Jan - Sun, 15 Feb

Copa Airlines flights from Montreal to Buenos Aires

Our best Copa Airlines deals on Montreal to Buenos Aires flight tickets
Copa Airlines
11 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
15h 50m
1 stop
EZE1:00 a.m.Buenos Aires Ministro Pistarini
24 Nov
EZE3:57 a.m.Buenos Aires Ministro Pistarini
21h 46m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,067
Find similar
Copa Airlines
11 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
15h 50m
1 stop
EZE1:00 a.m.Buenos Aires Ministro Pistarini
25 Nov
EZE10:01 a.m.Buenos Aires Ministro Pistarini
15h 42m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,069
Find similar
Copa Airlines
28 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
19h 12m
1 stop
EZE4:22 a.m.Buenos Aires Ministro Pistarini
4 Dec
EZE2:15 a.m.Buenos Aires Ministro Pistarini
23h 28m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,077
Find similar

LATAM Airlines flights from Montreal to Buenos Aires

Our best LATAM Airlines deals on Montreal to Buenos Aires flight tickets
LATAM Airlines
14 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
33h 43m
2 stops
EZE6:43 p.m.Buenos Aires Ministro Pistarini
7 Dec
EZE4:05 a.m.Buenos Aires Ministro Pistarini
21h 54m
2 stops
YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,112
Find similar
LATAM Airlines
12 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
34h 40m
2 stops
AEP7:40 p.m.Buenos Aires Jorge Newbery
11 Mar
AEP3:40 p.m.Buenos Aires Jorge Newbery
26h 24m
2 stops
YUL5:04 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,113
Find similar
LATAM Airlines
16 Jan
YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl
16h 50m
2 stops
EZE9:35 a.m.Buenos Aires Ministro Pistarini
5 Feb
EZE4:05 a.m.Buenos Aires Ministro Pistarini
21h 45m
2 stops
YUL11:50 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,115
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 October 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

Wed 14/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 10/3

9:05 p.m.-8:32 p.m.

2 stops24h 27m

C$ 1,067

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

7:10 a.m.-1:00 a.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Tue 25/11

10:01 a.m.-11:43 p.m.

1 stop15h 42m

C$ 1,069

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 6/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Wed 28/1

11:55 p.m.-2:00 p.m.

2 stops40h 05m

C$ 1,071

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

7:10 a.m.-4:22 a.m.

1 stop19h 12m

Buenos Aires Ministro Pistarini

Thu 4/12

2:15 a.m.-11:43 p.m.

1 stop23h 28m

C$ 1,077

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Wed 28/1

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

2 stops23h 43m

C$ 1,081

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 14/11

7:00 a.m.-6:43 p.m.

2 stops33h 43m

Buenos Aires Ministro Pistarini

Sun 7/12

4:05 a.m.-11:59 p.m.

2 stops21h 54m

C$ 1,112

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

2 stops34h 40m

Buenos Aires Jorge Newbery

Wed 11/3

3:40 p.m.-5:04 p.m.

2 stops26h 24m

C$ 1,113

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

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

1 stop16h 15m

Buenos Aires Ministro Pistarini

Wed 18/3

4:45 p.m.-6:35 a.m.

1 stop14h 50m

C$ 1,119

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 14/3

9:10 a.m.-3:10 p.m.

2 stops29h 00m

Buenos Aires Ministro Pistarini

Fri 27/3

4:45 p.m.-6:35 a.m.

1 stop14h 50m

C$ 1,124

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

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

1 stop15h 50m

Buenos Aires Ministro Pistarini

Sun 15/2

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

2 stops19h 55m

C$ 1,155

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$ 1,102, 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$ 1,121.

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$ 1,225. 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$ 1,312.

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$ 1,229. 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$ 1,296.

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$ 1,275 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$ 1,048 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 October 2025, prices for Montreal to Buenos Aires flights are approximately 17% 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

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 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?

  • 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$ 879Free CancellationRating
7.9
7,998 reviews
Search Delta flights
AviancaPriceFrom C$ 1,005Free CancellationRating
6.6
2,467 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,060Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,077Free CancellationRating
7.1
10,381 reviews
Search Air Canada flights
ArajetPriceFrom C$ 1,085Free CancellationRating
7.1
36 reviews
Search Arajet flights
United AirlinesPriceFrom C$ 1,127Free CancellationRating
7.4
8,998 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