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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 523

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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
7:35 a.m. - 1:58 a.m.
YUL
-
EZE
16h 23m1 stop
Copa Airlines Logo
9:16 a.m. - 11:48 p.m.
EZE
-
YUL
16h 32m1 stop
C$ 1,091Copa Airlines
Thu, 22 Jan - Wed, 4 Feb
Copa Airlines Logo
7:35 a.m. - 1:04 a.m.
YUL
-
EZE
15h 29m1 stop
Copa Airlines Logo
5:16 a.m. - 11:48 p.m.
EZE
-
YUL
20h 32m1 stop
C$ 1,097Copa Airlines
Mon, 26 Jan - Tue, 10 Feb
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$ 1,098United Airlines
Sat, 7 Feb - Tue, 10 Feb
United Airlines Logo
4:45 p.m. - 7:20 a.m.
YUL
-
EZE
36h 35m2 stops
United Airlines Logo
11:55 p.m. - 9:17 p.m.
EZE
-
YUL
23h 22m2 stops
C$ 1,100United Airlines
Sat, 31 Jan - Fri, 27 Feb
Copa Airlines Logo
7:35 a.m. - 1:04 a.m.
YUL
-
EZE
15h 29m1 stop
Copa Airlines Logo
3:47 a.m. - 11:48 p.m.
EZE
-
YUL
22h 01m1 stop
C$ 1,101Copa Airlines
Tue, 3 Feb - Mon, 9 Feb
American Airlines Logo
2:25 p.m. - 10:40 a.m.
YUL
-
EZE
18h 15m2 stops
American Airlines Logo
9:40 p.m. - 1:45 p.m.
EZE
-
YUL
18h 05m2 stops
C$ 1,104American Airlines
Mon, 2 Feb - Tue, 10 Feb
Delta Logo
9:34 a.m. - 9:00 a.m.
YUL
-
EZE
21h 26m2 stops
Delta Logo
8:55 p.m. - 11:45 a.m.
EZE
-
YUL
16h 50m1 stop
C$ 1,108Delta
Tue, 3 Feb - Tue, 10 Feb
Delta Logo
1:02 p.m. - 7:20 a.m.
YUL
-
EZE
16h 18m2 stops
Delta Logo
8:55 p.m. - 4:53 p.m.
EZE
-
YUL
21h 58m1 stop
C$ 1,109Delta
Wed, 4 Feb - Tue, 17 Feb
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$ 1,116LATAM Airlines
Fri, 10 Apr - Wed, 22 Apr
LATAM Airlines Logo
12:30 p.m. - 6:40 p.m.
YUL
-
AEP
28h 10m2 stops
LATAM Airlines Logo
3:40 p.m. - 11:37 a.m.
AEP
-
YUL
20h 57m2 stops
C$ 1,194LATAM Airlines
Sun, 22 Feb - Thu, 12 Mar

Copa Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Copa Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets
Copa Airlines
22 Jan
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
16h 23m
1 stop
EZE1:58 a.m.Buenos Aires Ministro Pistarini
4 Feb
EZE9:16 a.m.Buenos Aires Ministro Pistarini
16h 32m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,091
Find similar
Copa Airlines
26 Jan
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
15h 29m
1 stop
EZE1:04 a.m.Buenos Aires Ministro Pistarini
10 Feb
EZE5:16 a.m.Buenos Aires Ministro Pistarini
20h 32m
1 stop
YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,097
Find similar
Copa Airlines
3 Feb
YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl
15h 29m
1 stop
EZE1:04 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$ 1,101
Find similar

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets
United Airlines
7 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
23h 20m
2 stops
EZE7:20 a.m.Buenos Aires Ministro Pistarini
10 Feb
EZE11:55 p.m.Buenos Aires Ministro Pistarini
23h 47m
2 stops
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,098
Find similar
United Airlines
31 Jan
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
36h 35m
2 stops
EZE7:20 a.m.Buenos Aires Ministro Pistarini
27 Feb
EZE11:55 p.m.Buenos Aires Ministro Pistarini
23h 22m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,100
Find similar
United Airlines
10 Jan
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
22h 05m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
9 Feb
EZE11:55 p.m.Buenos Aires Ministro Pistarini
21h 53m
2 stops
YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,102
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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 21 December 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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 22/1

7:35 a.m.-1:58 a.m.

1 stop16h 23m

Buenos Aires Ministro Pistarini

Wed 4/2

9:16 a.m.-11:48 p.m.

1 stop16h 32m

C$ 1,091

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

7:35 a.m.-1:04 a.m.

1 stop15h 29m

Buenos Aires Ministro Pistarini

Tue 10/2

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

1 stop20h 32m

C$ 1,097

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Tue 10/2

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

2 stops23h 47m

C$ 1,098

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

4:45 p.m.-7:20 a.m.

2 stops36h 35m

Buenos Aires Ministro Pistarini

Fri 27/2

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

2 stops23h 22m

C$ 1,100

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

7:35 a.m.-1:04 a.m.

1 stop15h 29m

Buenos Aires Ministro Pistarini

Mon 9/2

3:47 a.m.-11:48 p.m.

1 stop22h 01m

C$ 1,101

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

Tue 10/2

9:40 p.m.-1:45 p.m.

2 stops18h 05m

C$ 1,104

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

9:34 a.m.-9:00 a.m.

2 stops21h 26m

Buenos Aires Ministro Pistarini

Tue 10/2

8:55 p.m.-11:45 a.m.

1 stop16h 50m

C$ 1,108

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

1:02 p.m.-7:20 a.m.

2 stops16h 18m

Buenos Aires Ministro Pistarini

Tue 17/2

8:55 p.m.-4:53 p.m.

1 stop21h 58m

C$ 1,109

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

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$ 1,116

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

12:30 p.m.-6:40 p.m.

2 stops28h 10m

Buenos Aires Jorge Newbery

Thu 12/3

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

2 stops20h 57m

C$ 1,194

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Montreal Pierre Elliott Trudeau Intl Airport is in September. Flight prices, which tend to average around C$ 1,085, 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 Pierre Elliott Trudeau Intl Airport to Buenos Aires during August average around C$ 1,094.

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$ 1,213. 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 Pierre Elliott Trudeau Intl Airport to Buenos Aires for around C$ 1,299.

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 Pierre Elliott Trudeau Intl Airport to Buenos Aires in the afternoon for as low as C$ 1,217. 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$ 1,284.

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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,236 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 Pierre Elliott Trudeau Intl Airport for as low as C$ 930 on momondo.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights?

You could potentially save up to 4% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (YUL to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Fastest flight time

14h 35m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires takes 14h 35m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to Buenos Aires by plane?

    There are 9030.9 km between Montreal Pierre Elliott Trudeau Intl and Buenos Aires. By plane, this route typically takes 14h 35m.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires were last updated today.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 577Free CancellationRating
7.9
8,017 reviews
Search Delta flights
AviancaPriceFrom C$ 996Free CancellationRating
6.6
2,488 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,045Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
ArajetPriceFrom C$ 1,056Free CancellationRating
6.8
38 reviews
Search Arajet flights
Air CanadaPriceFrom C$ 1,066Free CancellationRating
7.1
10,550 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,083Free CancellationRating
7.4
9,100 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Buenos Aires?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from Montreal.

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?

Yes. momondo can track prices for Montreal to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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