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Cheap flights from Montreal to Buenos Aires from C$ 505

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 12/11. 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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Find the cheapest flights from Montreal to Buenos Aires

Cheap round-trip flights

Avianca Logo
11:00 p.m. - 12:35 a.m.YUL-EZE
24h 35m1 stop
Avianca Logo
1:40 a.m. - 8:35 p.m.EZE-YUL
20h 55m1 stop
C$ 1,044Avianca
Find Deal
Sun, 26 Oct - Sun, 16 Nov
Avianca Logo
10:00 p.m. - 3:50 p.m.YUL-EZE
15h 50m1 stop
Avianca Logo
1:40 a.m. - 8:35 p.m.EZE-YUL
20h 55m1 stop
C$ 1,045Avianca
Find Deal
Wed, 12 Nov - Tue, 18 Nov
Copa Airlines Logo
8:41 a.m. - 12:44 a.m.YUL-EZE
15h 03m1 stop
Copa Airlines Logo
10:06 a.m. - 12:39 a.m.EZE-YUL
15h 33m1 stop
C$ 1,052Copa Airlines
Find Deal
Mon, 8 Sep - Wed, 24 Sep
Copa Airlines Logo
7:10 a.m. - 3:48 a.m.YUL-EZE
18h 38m1 stop
Copa Airlines Logo
3:57 a.m. - 11:43 p.m.EZE-YUL
21h 46m1 stop
C$ 1,060Copa Airlines
Find Deal
Mon, 10 Nov - Sun, 23 Nov
United Airlines Logo
2:13 p.m. - 7:20 a.m.YUL-EZE
39h 07m2 stops
United Airlines Logo
11:55 p.m. - 9:42 p.m.EZE-YUL
23h 47m2 stops
C$ 1,066United Airlines
Find Deal
Mon, 3 Nov - Mon, 10 Nov
United Airlines Logo
6:00 a.m. - 8:20 a.m.YUL-EZE
25h 20m2 stops
United Airlines Logo
10:05 p.m. - 2:00 p.m.EZE-YUL
17h 55m2 stops
C$ 1,106United Airlines
Find Deal
Fri, 31 Oct - Tue, 11 Nov
Air Canada Logo
10:45 p.m. - 2:30 p.m.YUL-EZE
14h 45m1 stop
Air Canada Logo
4:45 p.m. - 6:10 a.m.EZE-YUL
15h 25m1 stop
C$ 1,110Air Canada
Find Deal
Fri, 24 Oct - Sun, 2 Nov
Air Canada Logo
10:40 p.m. - 2:30 p.m.YUL-EZE
14h 50m1 stop
Air Canada Logo
4:35 p.m. - 6:15 a.m.EZE-YUL
14h 40m1 stop
C$ 1,113Air Canada
Find Deal
Tue, 30 Sep - Thu, 16 Oct
LATAM Airlines Logo
6:40 p.m. - 4:05 p.m.YUL-AEP
20h 25m2 stops
LATAM Airlines Logo
5:00 p.m. - 11:31 a.m.AEP-YUL
19h 31m2 stops
C$ 1,114LATAM Airlines
Find Deal
Mon, 6 Oct - Mon, 20 Oct
LATAM Airlines Logo
6:40 p.m. - 1:55 p.m.YUL-EZE
18h 15m2 stops
LATAM Airlines Logo
12:48 p.m. - 11:31 a.m.EZE-YUL
23h 43m2 stops
C$ 1,114LATAM Airlines
Find Deal
Tue, 7 Oct - Tue, 14 Oct

Copa Airlines flights from Montreal to Buenos Aires

Our best Copa Airlines deals on Montreal to Buenos Aires flight tickets
Copa Airlines
8 Sep
YUL8:41 a.m.Montreal Pierre Elliott Trudeau Intl
15h 03m
1 stop
EZE12:44 a.m.Buenos Aires Ministro Pistarini
24 Sep
EZE10:06 a.m.Buenos Aires Ministro Pistarini
15h 33m
1 stop
YUL12:39 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,052
Find similar
Copa Airlines
10 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
18h 38m
1 stop
EZE3:48 a.m.Buenos Aires Ministro Pistarini
23 Nov
EZE3:57 a.m.Buenos Aires Ministro Pistarini
21h 46m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,060
Find similar
Copa Airlines
6 Oct
YUL8:41 a.m.Montreal Pierre Elliott Trudeau Intl
22h 34m
1 stop
EZE8:15 a.m.Buenos Aires Ministro Pistarini
20 Oct
EZE10:07 a.m.Buenos Aires Ministro Pistarini
15h 32m
1 stop
YUL12:39 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,069
Find similar

American Airlines flights from Montreal to Buenos Aires

Our best American Airlines deals on Montreal to Buenos Aires flight tickets
American Airlines
10 Nov
YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl
18h 11m
2 stops
EZE10:40 a.m.Buenos Aires Ministro Pistarini
24 Nov
EZE10:25 p.m.Buenos Aires Ministro Pistarini
18h 39m
1 stop
YUL3:04 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,077
Find similar
American Airlines
11 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
24h 00m
2 stops
EZE9:00 a.m.Buenos Aires Ministro Pistarini
25 Nov
EZE11:59 p.m.Buenos Aires Ministro Pistarini
24h 59m
2 stops
YUL10:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,085
Find similar
American Airlines
11 Nov
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
21h 30m
2 stops
EZE7:00 a.m.Buenos Aires Ministro Pistarini
25 Nov
EZE11:20 p.m.Buenos Aires Ministro Pistarini
25h 20m
2 stops
YUL10:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,087
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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 28 August 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

Sun 26/10

11:00 p.m.-12:35 a.m.

1 stop24h 35m

Buenos Aires Ministro Pistarini

Sun 16/11

1:40 a.m.-8:35 p.m.

1 stop20h 55m

C$ 1,044

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

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

1 stop15h 50m

Buenos Aires Ministro Pistarini

Tue 18/11

1:40 a.m.-8:35 p.m.

1 stop20h 55m

C$ 1,045

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

8:41 a.m.-12:44 a.m.

1 stop15h 03m

Buenos Aires Ministro Pistarini

Wed 24/9

10:06 a.m.-12:39 a.m.

1 stop15h 33m

C$ 1,052

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

7:10 a.m.-3:48 a.m.

1 stop18h 38m

Buenos Aires Ministro Pistarini

Sun 23/11

3:57 a.m.-11:43 p.m.

1 stop21h 46m

C$ 1,060

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 3/11

2:13 p.m.-7:20 a.m.

2 stops39h 07m

Buenos Aires Ministro Pistarini

Mon 10/11

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

2 stops23h 47m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

6:00 a.m.-8:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 11/11

10:05 p.m.-2:00 p.m.

2 stops17h 55m

C$ 1,106

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

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

1 stop14h 45m

Buenos Aires Ministro Pistarini

Sun 2/11

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

1 stop15h 25m

C$ 1,110

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

10:40 p.m.-2:30 p.m.

1 stop14h 50m

Buenos Aires Ministro Pistarini

Thu 16/10

4:35 p.m.-6:15 a.m.

1 stop14h 40m

C$ 1,113

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

6:40 p.m.-4:05 p.m.

2 stops20h 25m

Buenos Aires Jorge Newbery

Mon 20/10

5:00 p.m.-11:31 a.m.

2 stops19h 31m

C$ 1,114

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:40 p.m.-1:55 p.m.

2 stops18h 15m

Buenos Aires Ministro Pistarini

Tue 14/10

12:48 p.m.-11:31 a.m.

2 stops23h 43m

C$ 1,114

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$ 1,118, 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 May is your next best option. Flight prices from Montreal to Buenos Aires during May average around C$ 1,127.

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$ 1,215. 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$ 1,302.

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$ 1,220. 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$ 1,286.

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$ 1,319 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$ 1,098 on momondo.

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

You could potentially save up to 1% 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 2025, prices for Montreal to Buenos Aires flights are approximately 25% 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 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
AviancaPriceFrom C$ 701Free CancellationRating
6.7
2,420 reviews
Search Avianca flights
DeltaPriceFrom C$ 872Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Copa AirlinesPriceFrom C$ 1,046Free CancellationRating
7.5
1,517 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,093Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
ArajetPriceFrom C$ 1,097Free CancellationRating
7.0
34 reviews
Search Arajet flights
United AirlinesPriceFrom C$ 1,105Free CancellationRating
7.4
8,944 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