In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Before booking your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires check out the most popular airlines for this route: Air Canada, Copa Airlines or Avianca.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Buenos Aires?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 523+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Q: How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Airfare is below average for this route at the moment. Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights typically cost between C$ 1,238 and C$ 1,563 in January. The cheapest round-trip price found within the last 3 days was C$ 1,091 on Copa Airlines (22 Jan-3 Feb).

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Buenos Aires are usually found in September or August, booked 86 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Pierre Elliott Trudeau Intl to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Buenos Aires
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.

Mon 29/126:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Thu 22/111:55 p.m.EZE - YUL

2 stops40h 05mUnited Airlines

Deal found 20/12C$ 1,119

Mon 29/127:10 a.m.YUL - EZE

1 stop19h 00mCopa Airlines

Thu 22/19:16 a.m.EZE - YUL

1 stop16h 27mCopa Airlines

Deal found 20/12C$ 1,131

Mon 22/129:15 a.m.YUL - EZE

2 stops44h 05mUnited Airlines

Sun 28/1211:55 p.m.EZE - YUL

2 stops40h 05mUnited Airlines

Deal found 20/12C$ 1,169

Sat 20/126:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Sat 27/1210:05 p.m.EZE - YUL

2 stops23h 43mUnited Airlines

Deal found 19/12C$ 1,170

Wed 24/124:45 p.m.YUL - EZE

2 stops36h 35mUnited Airlines

Wed 31/1211:55 p.m.EZE - YUL

2 stops23h 22mUnited Airlines

Deal found 20/12C$ 1,199

Fri 26/122:13 p.m.YUL - EZE

2 stops39h 07mUnited Airlines

Tue 27/111:55 p.m.EZE - YUL

2 stops47h 22mUnited Airlines

Deal found 19/12C$ 1,240

Mon 29/126:00 a.m.YUL - EZE

2 stops25h 20mUnited Airlines

Fri 30/111:55 p.m.EZE - YUL

2 stops47h 22mUnited Airlines

Deal found 20/12C$ 1,249

Tue 23/127:00 a.m.YUL - EZE

1 stop24h 00mLATAM Airlines

Fri 2/111:55 p.m.EZE - YUL

1 stop26h 04mLATAM Airlines

Deal found 20/12C$ 1,300

Mon 29/127:00 a.m.YUL - EZE

1 stop24h 00mDelta

Thu 22/111:55 p.m.EZE - YUL

2 stops20h 42mDelta

Deal found 20/12C$ 1,312

Mon 29/128:00 a.m.YUL - AEP

2 stops21h 55mMultiple Airlines

Thu 22/15:15 p.m.AEP - YUL

2 stops32h 35mMultiple Airlines

Deal found 20/12C$ 1,498

Mon 29/128:00 a.m.YUL - AEP

2 stops21h 55mMultiple Airlines

Mon 19/11:50 p.m.AEP - YUL

2 stops21h 33mMultiple Airlines

Deal found 20/12C$ 1,682

Tue 30/127:00 a.m.YUL - AEP

2 stops27h 20mMultiple Airlines

Fri 30/15:10 p.m.AEP - YUL

1 stop27h 10mMultiple Airlines

Deal found 20/12C$ 1,750

Best flights from Pierre Elliott Trudeau Intl to Buenos Aires
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 December 2025.

Thu 22/17:35 a.m.YUL - EZE

1 stop16h 23mCopa Airlines

Tue 3/23:47 a.m.EZE - YUL

1 stop22h 01mCopa Airlines

Deal found 21/12C$ 1,091

Tue 3/29:15 a.m.YUL - EZE

2 stops22h 05mUnited Airlines

Sun 8/39:05 p.m.EZE - YUL

2 stops49h 12mUnited Airlines

Deal found 20/12C$ 1,098

Fri 6/27:30 p.m.YUL - EZE

2 stops35h 30mDelta

Thu 12/211:55 p.m.EZE - YUL

1 stop18h 58mDelta

Deal found 20/12C$ 1,108

Sat 7/312:30 p.m.YUL - AEP

2 stops26h 30mLATAM Airlines

Tue 17/35:15 p.m.AEP - YUL

2 stops19h 22mLATAM Airlines

Deal found 21/12C$ 1,115

Thu 5/36:10 p.m.YUL - AEP

1 stop17h 20mMultiple Airlines

Thu 12/36:20 a.m.AEP - YUL

2 stops18h 55mMultiple Airlines

Deal found 20/12C$ 1,229

Mon 12/17:35 a.m.YUL - EZE

1 stop16h 23mCopa Airlines

Wed 4/25:16 a.m.EZE - YUL

1 stop20h 32mCopa Airlines

Deal found 19/12C$ 1,091

Wed 6/59:45 a.m.YUL - EZE

2 stops45h 15mUnited Airlines

Tue 12/59:00 p.m.EZE - YUL

2 stops20h 21mUnited Airlines

Deal found 20/12C$ 1,100

Wed 18/27:00 a.m.YUL - EZE

1 stop24h 00mDelta

Wed 18/38:55 p.m.EZE - YUL

1 stop28h 04mDelta

Deal found 21/12C$ 1,108

Fri 10/412:42 p.m.YUL - AEP

2 stops24h 58mLATAM Airlines

Wed 22/45:05 p.m.AEP - YUL

2 stops25h 02mLATAM Airlines

Deal found 18/12C$ 1,116

Mon 9/38:41 a.m.YUL - EZE

1 stop16h 16mCopa Airlines

Sat 28/35:16 a.m.EZE - YUL

1 stop20h 24mCopa Airlines

Deal found 20/12C$ 1,101

Sat 10/19:15 a.m.YUL - EZE

2 stops22h 05mUnited Airlines

Mon 9/211:55 p.m.EZE - YUL

2 stops21h 53mUnited Airlines

Deal found 20/12C$ 1,102

Tue 20/112:50 p.m.YUL - EZE

1 stop18h 10mDelta

Wed 18/28:55 p.m.EZE - YUL

1 stop16h 30mDelta

Deal found 20/12C$ 1,108

Fri 10/46:45 a.m.YUL - AEP

2 stops28h 15mMultiple Airlines

Wed 22/47:00 a.m.AEP - YUL

1 stop16h 05mMultiple Airlines

Deal found 18/12C$ 1,242

Sun 19/412:45 p.m.YUL - AEP

2 stops28h 45mLATAM Airlines

Tue 21/45:05 p.m.AEP - YUL

2 stops25h 02mLATAM Airlines

Deal found 19/12C$ 1,198

Tue 3/27:35 a.m.YUL - EZE

1 stop15h 29mCopa Airlines

Wed 11/29:16 a.m.EZE - YUL

1 stop16h 32mCopa Airlines

Deal found 20/12C$ 1,101

Thu 19/26:00 p.m.YUL - EZE

1 stop35h 20mDelta

Wed 18/38:55 p.m.EZE - YUL

1 stop28h 04mDelta

Deal found 21/12C$ 1,108

Mon 9/36:45 a.m.YUL - AEP

2 stops26h 15mMultiple Airlines

Thu 19/33:40 a.m.AEP - YUL

1 stop16h 35mMultiple Airlines

Deal found 21/12C$ 1,243

Mon 2/27:35 a.m.YUL - EZE

1 stop18h 54mCopa Airlines

Tue 10/29:16 a.m.EZE - YUL

1 stop16h 32mCopa Airlines

Deal found 20/12C$ 1,101

Mon 12/12:45 p.m.YUL - AEP

2 stops25h 55mLATAM Airlines

Wed 4/22:55 p.m.AEP - YUL

2 stops22h 50mLATAM Airlines

Deal found 19/12C$ 1,247

Wed 8/412:42 p.m.YUL - AEP

2 stops21h 38mMultiple Airlines

Wed 22/47:00 a.m.AEP - YUL

1 stop16h 05mMultiple Airlines

Deal found 18/12C$ 1,247

Thu 5/36:10 p.m.YUL - AEP

1 stop17h 20mMultiple Airlines

Fri 13/34:15 a.m.AEP - YUL

1 stop16h 00mMultiple Airlines

Deal found 20/12C$ 1,256

Tue 6/17:00 a.m.YUL - AEP

2 stops29h 40mLATAM Airlines

Fri 13/311:30 a.m.AEP - YUL

2 stops37h 29mLATAM Airlines

Deal found 18/12C$ 1,268

Mon 6/46:45 a.m.YUL - AEP

2 stops20h 45mMultiple Airlines

Fri 24/47:00 a.m.AEP - YUL

1 stop16h 05mMultiple Airlines

Deal found 18/12C$ 1,264

Tue 3/37:20 p.m.YUL - AEP

2 stops40h 10mMultiple Airlines

Fri 13/34:15 a.m.AEP - YUL

1 stop16h 00mMultiple Airlines

Deal found 20/12C$ 1,271

Direct flights from Pierre Elliott Trudeau Intl to Buenos Aires
Explore direct flight options from Pierre Elliott Trudeau Intl to Buenos Aires based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 December 2025.

Tue 16/610:55 p.m.YUL - EZE

Nonstop14h 35mAir Canada

Wed 1/74:35 p.m.EZE - YUL

Nonstop14h 35mAir Canada

Deal found 21/12C$ 2,778

Last-minute flights from Pierre Elliott Trudeau Intl to Buenos Aires
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Buenos Aires. Data last updated 21 December 2025 and is based on user searches.

Wed 7/17:35 a.m.YUL - EZE

1 stop16h 23mCopa Airlines

Tue 10/23:47 a.m.EZE - YUL

1 stop22h 01mCopa Airlines

Deal found 20/12C$ 1,112

Sat 10/19:15 a.m.YUL - EZE

2 stops22h 05mUnited Airlines

Tue 10/211:55 p.m.EZE - YUL

2 stops21h 53mUnited Airlines

Deal found 20/12C$ 1,102

Mon 12/12:45 p.m.YUL - AEP

2 stops25h 55mLATAM Airlines

Wed 4/22:55 p.m.AEP - YUL

2 stops22h 50mLATAM Airlines

Deal found 19/12C$ 1,247

Fri 16/17:00 a.m.YUL - EZE

1 stop22h 20mLATAM Airlines

Fri 6/28:55 p.m.EZE - YUL

1 stop16h 50mLATAM Airlines

Deal found 19/12C$ 1,116

Mon 19/112:50 p.m.YUL - EZE

1 stop18h 10mLATAM Airlines

Mon 2/211:55 p.m.EZE - YUL

1 stop19h 00mLATAM Airlines

Deal found 20/12C$ 1,115

Thu 22/17:35 a.m.YUL - EZE

1 stop16h 23mCopa Airlines

Tue 3/23:47 a.m.EZE - YUL

1 stop22h 01mCopa Airlines

Deal found 21/12C$ 1,091

Thu 22/16:00 a.m.YUL - EZE

2 stops25h 00mMultiple Airlines

Wed 4/28:55 p.m.EZE - YUL

1 stop16h 50mMultiple Airlines

Deal found 21/12C$ 1,107

Mon 26/17:35 a.m.YUL - EZE

1 stop15h 29mCopa Airlines

Tue 10/25:16 a.m.EZE - YUL

1 stop20h 32mCopa Airlines

Deal found 19/12C$ 1,097

Mon 26/19:15 a.m.YUL - EZE

2 stops20h 05mUnited Airlines

Fri 27/210:05 p.m.EZE - YUL

2 stops23h 43mUnited Airlines

Deal found 20/12C$ 1,098

Sat 31/14:45 p.m.YUL - EZE

2 stops36h 35mUnited Airlines

Sun 1/311:55 p.m.EZE - YUL

2 stops40h 05mUnited Airlines

Deal found 19/12C$ 1,100

Sat 31/12:25 p.m.YUL - EZE

2 stops38h 55mDelta

Sat 7/28:55 p.m.EZE - YUL

1 stop16h 50mDelta

Deal found 20/12C$ 1,108

Sat 31/12:25 p.m.YUL - EZE

2 stops38h 55mDelta

Mon 2/38:55 p.m.EZE - YUL

1 stop21h 58mDelta

Deal found 19/12C$ 1,109

One-way flights from Pierre Elliott Trudeau Intl to Buenos Aires
Search for one-way flight options from Pierre Elliott Trudeau Intl to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 21 December 2025.

Mon 9/38:41 a.m.YUL - EZE

1 stop15h 21mCopa Airlines

Deal found 20/12C$ 523

Wed 11/26:45 a.m.YUL - EZE

1 stop15h 20mArajet

Deal found 21/12C$ 528

Tue 6/17:35 a.m.YUL - EZE

1 stop16h 23mCopa Airlines

Deal found 19/12C$ 534

Wed 4/210:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Deal found 20/12C$ 538

Tue 6/13:00 p.m.YUL - EZE

2 stops31h 35mAvianca

Deal found 19/12C$ 540

Fri 23/112:50 p.m.YUL - EZE

1 stop16h 30mLATAM Airlines

Deal found 21/12C$ 548

Fri 23/110:25 a.m.YUL - AEP

2 stops22h 05mMultiple Airlines

Deal found 21/12C$ 551

Sat 31/12:25 p.m.YUL - EZE

2 stops38h 55mDelta

Deal found 20/12C$ 551

Fri 23/17:30 a.m.YUL - EZE

2 stops23h 40mAmerican Airlines

Deal found 21/12C$ 557

Fri 30/16:02 p.m.YUL - EZE

2 stops62h 13mDelta

Deal found 19/12C$ 559

Thu 26/312:42 p.m.YUL - AEP

2 stops24h 18mLATAM Airlines

Deal found 19/12C$ 571

Sat 7/27:00 a.m.YUL - EZE

1 stop24h 00mLATAM Airlines

Deal found 19/12C$ 571

Find flight deals from Pierre Elliott Trudeau Intl to Buenos Aires

Round-trip from	C$ 1,091
One-way from	C$ 523
Popular in	July
Cheapest in	September
Average price	C$ 1,395

Copa Airlines
22/1-4/2
2 total stops
32h 55m total
Montreal to Buenos Aires

Search Deals

Copa Airlines
9/3
1 total stop
15h 21m total
Montreal to Buenos Aires

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Tue 3/2

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

1 stop22h 01m

C$ 1,091

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

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

1 stop16h 23m

Buenos Aires Ministro Pistarini

Wed 4/2

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

1 stop20h 32m

C$ 1,091

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

9:15 a.m.-9:20 a.m.

2 stops22h 05m

Buenos Aires Ministro Pistarini

Sun 8/3

9:05 p.m.-9:17 p.m.

2 stops49h 12m

C$ 1,098

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

9:45 a.m.-8:00 a.m.

2 stops45h 15m

Buenos Aires Ministro Pistarini

Tue 12/5

9:00 p.m.-4:21 p.m.

2 stops20h 21m

C$ 1,100

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

8:41 a.m.-1:57 a.m.

1 stop16h 16m

Buenos Aires Ministro Pistarini

Sat 28/3

5:16 a.m.-12:40 a.m.

1 stop20h 24m

C$ 1,101

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

Wed 11/2

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

1 stop16h 32m

C$ 1,101

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:35 a.m.-4:29 a.m.

1 stop18h 54m

Buenos Aires Ministro Pistarini

Tue 10/2

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

1 stop16h 32m

C$ 1,101

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

9:15 a.m.-9:20 a.m.

2 stops22h 05m

Buenos Aires Ministro Pistarini

Mon 9/2

11:55 p.m.-7:48 p.m.

2 stops21h 53m

C$ 1,102

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

7:30 p.m.-9:00 a.m.

2 stops35h 30m

Buenos Aires Ministro Pistarini

Thu 12/2

11:55 p.m.-4:53 p.m.

1 stop18h 58m

C$ 1,108

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

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

1 stop24h 00m

Buenos Aires Ministro Pistarini

Wed 18/3

8:55 p.m.-11:59 p.m.

1 stop28h 04m

C$ 1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

Showing 1-10 of 45 results

...

Best time to book a flight from Pierre Elliott Trudeau Intl to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Pierre Elliott Trudeau Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 618). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in March is currently the most expensive (average of C$ 1,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to BUE?

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in the morning. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Sao Paulo (GRU) – chosen by Cheapflights users on 45% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Bogotá (BOG) is the most affordable 1-stop option, with an average round-trip price of C$ 1,050.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Flights via Punta Cana (PUJ) have the shortest average one-way travel time for 1-stop routes: 14h 45m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Flights via Punta Cana (PUJ) offer the fastest connection on this route, with an average layover time of 1h 57m.

Reviews of airlines servicing Buenos Aires

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, such as Delta,Copa Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,017 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Stephanie,Sep 2023

LGA - MSN

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Delta

7.9

Good

8,017 reviews

Delta

7.9

Good

8,017 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Stephanie,Sep 2023

LGA - MSN

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Copa Airlines

7.6

Good

1,558 reviews

Delta

7.9

Good

8,017 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Stephanie,Sep 2023

LGA - MSN

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

United Airlines

7.4

Good

9,100 reviews

Delta

7.9

Good

8,017 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Stephanie,Sep 2023

LGA - MSN

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Air Canada

7.1

Good

10,550 reviews

Delta

7.9

Good

8,017 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Stephanie,Sep 2023

LGA - MSN

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Avianca

6.6

Okay

2,488 reviews

Delta

7.9

Good

8,017 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Stephanie,Sep 2023

LGA - MSN

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in 16h 23m. Fly via Copa Airlines, United Airlines, or LATAM Airlines to get the fastest option. There are 9051 km between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires round-trip?
Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires round-trip from C$ 511. Other airlines that can offer you cheap pricing are Avianca, from C$ 518, and Delta, from C$ 577. These flights start at 58% lower than the current average price 3 months from now.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Buenos Aires.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Buenos Aires?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 618). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in March is currently the most expensive (average of C$ 1,087). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Pierre Elliott Trudeau Intl to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 577	AverageC$ 1,248	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Avianca	CheapestC$ 996	AverageC$ 1,110	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Copa Airlines	CheapestC$ 1,045	AverageC$ 1,199	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Arajet	CheapestC$ 1,056	AverageC$ 1,183	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
Air Canada	CheapestC$ 1,066	AverageC$ 1,191	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 1,083	AverageC$ 1,446	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Buenos Aires?

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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 Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Buenos Aires are usually found in September or August, booked 86 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Pierre Elliott Trudeau Intl to Buenos Aires

Cheapest flights from Pierre Elliott Trudeau Intl to Buenos AiresExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.

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Best time to book a flight from Pierre Elliott Trudeau Intl to Buenos Aires

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Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Buenos Aires. Price data was last updated on 19 December 2025.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

What is the cheapest time of day to fly from YUL to BUE?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 December 2025.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Buenos Aires. Price data was last updated on 16 December 2024.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Buenos Aires

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, such as Delta,Copa Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires round-trip?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Buenos Aires that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Buenos Aires?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Buenos Aires?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

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Alternative routes for Pierre Elliott Trudeau Intl to Buenos Aires

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Top 6 airlines flying from Pierre Elliott Trudeau Intl to Buenos Aires

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Buenos Aires with no change fees?

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Buenos Aires become cheaper?

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Cheapest flights from Pierre Elliott Trudeau Intl to Buenos Aires
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.