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Cheap flights from Montreal to Buenos Aires from C$ 513

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 9/3. 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.
Copa Airlines Logo
8:35 a.m. - 4:30 a.m.
YUL
-
EZE
18h 55m1 stop
Copa Airlines Logo
3:52 a.m. - 12:40 a.m.
EZE
-
YUL
21h 48m1 stop
C$ 1,065Copa Airlines
Thu, 9 Apr - Wed, 22 Apr
United Airlines Logo
6:10 a.m. - 8:00 a.m.
YUL
-
EZE
24h 50m2 stops
United Airlines Logo
9:00 p.m. - 10:37 a.m.
EZE
-
YUL
38h 37m2 stops
C$ 1,069United Airlines
Mon, 6 Apr - Tue, 21 Apr
Copa Airlines Logo
8:35 a.m. - 4:30 a.m.
YUL
-
EZE
18h 55m1 stop
Copa Airlines Logo
5:34 a.m. - 12:40 a.m.
EZE
-
YUL
20h 06m1 stop
C$ 1,076Copa Airlines
Wed, 1 Apr - Wed, 22 Apr
Copa Airlines Logo
7:35 a.m. - 7:57 a.m.
YUL
-
EZE
22h 22m1 stop
Copa Airlines Logo
5:16 a.m. - 11:43 p.m.
EZE
-
YUL
20h 27m1 stop
C$ 1,080Copa Airlines
Tue, 13 Jan - Wed, 28 Jan
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$ 1,084United Airlines
Wed, 18 Feb - Sun, 1 Mar
American Airlines Logo
7:00 a.m. - 7:10 a.m.
YUL
-
EZE
22h 10m1 stop
American Airlines Logo
10:25 p.m. - 3:08 p.m.
EZE
-
YUL
18h 43m2 stops
C$ 1,097American Airlines
Mon, 26 Jan - Tue, 10 Feb
American Airlines Logo
2:25 p.m. - 10:40 a.m.
YUL
-
EZE
18h 15m2 stops
American Airlines Logo
11:59 p.m. - 10:44 p.m.
EZE
-
YUL
24h 45m2 stops
C$ 1,104American Airlines
Thu, 15 Jan - Wed, 11 Feb
Avianca Logo
3:00 p.m. - 5:40 a.m.
YUL
-
AEP
36h 40m2 stops
Avianca Logo
7:00 a.m. - 8:35 p.m.
AEP
-
YUL
15h 35m1 stop
C$ 1,135Avianca
Tue, 13 Jan - Wed, 28 Jan
LATAM Airlines Logo
12:50 p.m. - 7:40 p.m.
YUL
-
AEP
28h 50m2 stops
LATAM Airlines Logo
3:40 p.m. - 11:37 a.m.
AEP
-
YUL
20h 57m2 stops
C$ 1,170LATAM Airlines
Tue, 3 Feb - Sat, 28 Mar
LATAM Airlines Logo
12:42 p.m. - 2:40 p.m.
YUL
-
AEP
24h 58m2 stops
LATAM Airlines Logo
5:05 p.m. - 5:07 p.m.
AEP
-
YUL
25h 02m2 stops
C$ 1,225LATAM Airlines
Wed, 1 Apr - Wed, 22 Apr

Copa Airlines flights from Montreal to Buenos Aires

Our best Copa Airlines deals on Montreal to Buenos Aires flight tickets
Copa Airlines
9 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
18h 55m
1 stop
EZE4:30 a.m.Buenos Aires Ministro Pistarini
22 Apr
EZE3:52 a.m.Buenos Aires Ministro Pistarini
21h 48m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,065
Find similar
Copa Airlines
1 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
18h 55m
1 stop
EZE4:30 a.m.Buenos Aires Ministro Pistarini
22 Apr
EZE5:34 a.m.Buenos Aires Ministro Pistarini
20h 06m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,076
Find similar
Copa Airlines
13 Jan
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
22h 22m
1 stop
EZE7:57 a.m.Buenos Aires Ministro Pistarini
28 Jan
EZE5:16 a.m.Buenos Aires Ministro Pistarini
20h 27m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,080
Find similar

United Airlines flights from Montreal to Buenos Aires

Our best United Airlines deals on Montreal to Buenos Aires flight tickets
United Airlines
6 Apr
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
24h 50m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
21 Apr
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 37m
2 stops
YUL10:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,069
Find similar
United Airlines
18 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
1 Mar
EZE11:55 p.m.Buenos Aires Ministro Pistarini
40h 05m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,084
Find similar
United Airlines
28 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
1 Feb
EZE11:55 p.m.Buenos Aires Ministro Pistarini
40h 05m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,099
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 18 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

Thu 9/4

8:35 a.m.-4:30 a.m.

1 stop18h 55m

Buenos Aires Ministro Pistarini

Wed 22/4

3:52 a.m.-12:40 a.m.

1 stop21h 48m

C$ 1,065

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

6:10 a.m.-8:00 a.m.

2 stops24h 50m

Buenos Aires Ministro Pistarini

Tue 21/4

9:00 p.m.-10:37 a.m.

2 stops38h 37m

C$ 1,069

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

8:35 a.m.-4:30 a.m.

1 stop18h 55m

Buenos Aires Ministro Pistarini

Wed 22/4

5:34 a.m.-12:40 a.m.

1 stop20h 06m

C$ 1,076

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

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

1 stop22h 22m

Buenos Aires Ministro Pistarini

Wed 28/1

5:16 a.m.-11:43 p.m.

1 stop20h 27m

C$ 1,080

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Sun 1/3

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

2 stops40h 05m

C$ 1,084

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

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

1 stop22h 10m

Buenos Aires Ministro Pistarini

Tue 10/2

10:25 p.m.-3:08 p.m.

2 stops18h 43m

C$ 1,097

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

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

2 stops18h 15m

Buenos Aires Ministro Pistarini

Wed 11/2

11:59 p.m.-10:44 p.m.

2 stops24h 45m

C$ 1,104

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

3:00 p.m.-5:40 a.m.

2 stops36h 40m

Buenos Aires Jorge Newbery

Wed 28/1

7:00 a.m.-8:35 p.m.

1 stop15h 35m

C$ 1,135

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

12:50 p.m.-7:40 p.m.

2 stops28h 50m

Buenos Aires Jorge Newbery

Sat 28/3

3:40 p.m.-11:37 a.m.

2 stops20h 57m

C$ 1,170

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

12:42 p.m.-2:40 p.m.

2 stops24h 58m

Buenos Aires Jorge Newbery

Wed 22/4

5:05 p.m.-5:07 p.m.

2 stops25h 02m

C$ 1,225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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$ 1,094, 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$ 1,108.

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$ 1,211. 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$ 1,297.

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$ 1,215. 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$ 1,282.

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$ 1,233 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$ 929 on momondo.

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

You could potentially save up to 21% 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

14h 05m

Direct flights

Thu

Airports in Buenos Aires

2 airports
The fastest flight from Montreal to Buenos Aires takes 14h 05m
Direct flights go from Montreal to Buenos Aires on Thursday. 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 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?

  • 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$ 577Free CancellationRating
7.9
8,007 reviews
Search Delta flights
AviancaPriceFrom C$ 994Free CancellationRating
6.6
2,490 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,043Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 1,055Free CancellationRating
6.8
38 reviews
Search Arajet flights
Air CanadaPriceFrom C$ 1,062Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,082Free CancellationRating
7.4
9,091 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