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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 401

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 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 Pierre Elliott Trudeau Intl Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 a.m. - 7:20 a.m.YUL-EZE
23h 20m2 stops
United Airlines Logo
11:55 p.m. - 9:17 p.m.EZE-YUL
23h 22m2 stops
C$ 1,071United Airlines
Find Deal
Mon, 19 Jan - Mon, 2 Feb
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$ 1,072United 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$ 1,078Avianca
Find Deal
Mon, 16 Mar - Mon, 23 Mar
Delta Logo
5:55 p.m. - 9:00 a.m.YUL-EZE
37h 05m1 stop
Delta Logo
11:55 p.m. - 6:49 p.m.EZE-YUL
19h 54m2 stops
C$ 1,110Delta
Find Deal
Tue, 3 Mar - Thu, 12 Mar
Delta Logo
7:00 a.m. - 9:00 a.m.YUL-EZE
24h 00m1 stop
Delta Logo
7:45 a.m. - 11:44 a.m.EZE-YUL
28h 59m2 stops
C$ 1,112Delta
Find Deal
Sat, 10 Jan - Fri, 10 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$ 1,117Air Canada
Find Deal
Tue, 3 Mar - Fri, 6 Mar
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$ 1,119Air Canada
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Sun, 29 Mar - Mon, 13 Apr
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$ 1,134Copa Airlines
Find Deal
Mon, 2 Feb - Wed, 18 Feb
Copa Airlines Logo
7:10 a.m. - 12:58 a.m.YUL-EZE
15h 48m1 stop
Copa Airlines Logo
2:15 a.m. - 11:43 p.m.EZE-YUL
23h 28m1 stop
C$ 1,141Copa Airlines
Find Deal
Wed, 3 Dec - Thu, 4 Dec
Avianca Logo
11:00 p.m. - 1:35 a.m.YUL-EZE
25h 35m2 stops
Avianca Logo
7:30 a.m. - 9:35 p.m.EZE-YUL
15h 05m1 stop
C$ 1,158Avianca
Find Deal
Mon, 16 Mar - Mon, 23 Mar

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
19 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
23h 20m
2 stops
EZE7:20 a.m.Buenos Aires Ministro Pistarini
2 Feb
EZE11:55 p.m.Buenos Aires Ministro Pistarini
23h 22m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,071
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$ 1,072
Find similar
United Airlines
7 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
22h 20m
2 stops
EZE7:20 a.m.Buenos Aires Ministro Pistarini
23 Jan
EZE11:55 p.m.Buenos Aires Ministro Pistarini
23h 22m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,087
Find similar

Arajet flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Arajet deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets
Arajet
1 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
22h 25m
1 stop
EZE6:10 a.m.Buenos Aires Ministro Pistarini
22 Apr
EZE9:15 p.m.Buenos Aires Ministro Pistarini
28h 05m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,082
Find similar
Arajet
12 Jan
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
26 Jan
EZE2:45 a.m.Buenos Aires Ministro Pistarini
23h 30m
1 stop
YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,133
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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 4 November 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

Mon 19/1

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 2/2

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

2 stops23h 22m

C$ 1,071

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$ 1,072

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$ 1,078

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

5:55 p.m.-9:00 a.m.

1 stop37h 05m

Buenos Aires Ministro Pistarini

Thu 12/3

11:55 p.m.-6:49 p.m.

2 stops19h 54m

C$ 1,110

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

7:00 a.m.-9:00 a.m.

1 stop24h 00m

Buenos Aires Ministro Pistarini

Fri 10/4

7:45 a.m.-11:44 a.m.

2 stops28h 59m

C$ 1,112

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$ 1,117

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

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

1 stop14h 45m

Buenos Aires Ministro Pistarini

Mon 13/4

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

1 stop14h 35m

C$ 1,119

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$ 1,134

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

7:10 a.m.-12:58 a.m.

1 stop15h 48m

Buenos Aires Ministro Pistarini

Thu 4/12

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

1 stop23h 28m

C$ 1,141

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

11:00 p.m.-1:35 a.m.

2 stops25h 35m

Buenos Aires Ministro Pistarini

Mon 23/3

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

1 stop15h 05m

C$ 1,158

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 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 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$ 1,103, 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$ 1,122.

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$ 1,234. 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$ 1,322.

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$ 1,238. 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$ 1,306.

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$ 1,288 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$ 1,056 on momondo.

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

You could potentially save up to 3% 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

Direct flights

None
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.
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  • 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 30m.

  • 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$ 886Free CancellationRating
7.9
8,004 reviews
Search Delta flights
AviancaPriceFrom C$ 1,013Free CancellationRating
6.6
2,471 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,063Free CancellationRating
7.6
1,562 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,085Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
ArajetPriceFrom C$ 1,093Free CancellationRating
7.1
36 reviews
Search Arajet flights
United AirlinesPriceFrom C$ 1,135Free 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?

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