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, Avianca or Copa Airlines.

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.

C$ 485+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Buenos Aires are usually found in September or August, booked 45 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

Round-trip from	C$ 1,049
One-way from	C$ 513
Popular in	July
Cheapest in	September
Average price	C$ 1,095

Avianca
27/10-10/11
2 total stops
30h 50m total
Montreal to Buenos Aires

Search Deals

19/1
2 total stops
45h 00m total
Montreal to Buenos Aires

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 29 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Pierre Elliott Trudeau Intl to Buenos Aires

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 16 September 2025.

Mon 27/1011:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Mon 10/117:35 a.m.EZE - YUL

1 stop15h 00mAvianca

Deal found 14/9C$ 1,049

Wed 5/1110:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Sun 16/117:35 a.m.EZE - YUL

1 stop15h 00mAvianca

Deal found 15/9C$ 1,055

Fri 31/106:00 a.m.YUL - EZE

2 stops32h 10mAir Canada

Sat 15/114:45 p.m.EZE - YUL

1 stop15h 25mAir Canada

Deal found 16/9C$ 1,057

Mon 27/106:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Mon 10/1111:55 p.m.EZE - YUL

2 stops23h 47mUnited Airlines

Deal found 14/9C$ 1,062

Wed 12/119:15 a.m.YUL - EZE

2 stops22h 05mUnited Airlines

Wed 3/1210:05 p.m.EZE - YUL

2 stops19h 11mUnited Airlines

Deal found 14/9C$ 1,066

Tue 4/119:15 a.m.YUL - EZE

2 stops22h 05mUnited Airlines

Mon 17/1111:55 p.m.EZE - YUL

2 stops21h 53mUnited Airlines

Deal found 15/9C$ 1,068

Mon 27/1010:30 p.m.YUL - EZE

2 stops39h 40mAir Canada

Mon 10/114:45 p.m.EZE - YUL

1 stop15h 25mAir Canada

Deal found 14/9C$ 1,073

Sun 9/1110:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Sat 29/111:40 a.m.EZE - YUL

1 stop20h 55mAvianca

Deal found 14/9C$ 1,076

Mon 10/117:10 a.m.YUL - EZE

1 stop19h 00mCopa Airlines

Mon 24/1110:01 a.m.EZE - YUL

1 stop15h 42mCopa Airlines

Deal found 15/9C$ 1,078

Mon 10/112:29 p.m.YUL - EZE

2 stops18h 11mAmerican Airlines

Mon 24/1110:25 p.m.EZE - YUL

1 stop18h 39mAmerican Airlines

Deal found 16/9C$ 1,080

Mon 10/117:00 a.m.YUL - AEP

2 stops22h 55mLATAM Airlines

Mon 24/115:15 p.m.AEP - YUL

2 stops26h 06mLATAM Airlines

Deal found 16/9C$ 1,108

Wed 12/1112:45 p.m.YUL - AEP

2 stops27h 55mLATAM Airlines

Mon 1/125:15 p.m.AEP - YUL

2 stops26h 09mLATAM Airlines

Deal found 14/9C$ 1,111

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 16 September 2025.

Mon 1/122:13 p.m.YUL - EZE

2 stops39h 07mUnited Airlines

Mon 15/1211:55 p.m.EZE - YUL

2 stops23h 22mUnited Airlines

Deal found 14/9C$ 1,066

Tue 4/117:10 a.m.YUL - EZE

1 stop19h 06mCopa Airlines

Mon 1/123:41 a.m.EZE - YUL

1 stop22h 02mCopa Airlines

Deal found 13/9C$ 1,078

Mon 10/117:00 a.m.YUL - AEP

2 stops22h 55mLATAM Airlines

Mon 24/115:15 p.m.AEP - YUL

2 stops26h 06mLATAM Airlines

Deal found 16/9C$ 1,108

Wed 5/118:55 a.m.YUL - AEP

2 stops21h 00mMultiple Airlines

Wed 19/113:40 p.m.AEP - YUL

2 stops21h 59mMultiple Airlines

Deal found 15/9C$ 1,209

Wed 29/1011:00 p.m.YUL - AEP

1 stop29h 40mAvianca

Wed 5/117:00 a.m.AEP - YUL

1 stop15h 35mAvianca

Deal found 14/9C$ 1,343

Tue 2/129:15 a.m.YUL - EZE

2 stops20h 05mUnited Airlines

Tue 9/1210:05 p.m.EZE - YUL

2 stops17h 55mUnited Airlines

Deal found 15/9C$ 1,066

Mon 10/117:10 a.m.YUL - EZE

1 stop19h 06mCopa Airlines

Mon 24/1110:01 a.m.EZE - YUL

1 stop15h 42mCopa Airlines

Deal found 14/9C$ 1,078

Tue 4/116:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Tue 2/1210:05 p.m.EZE - YUL

2 stops23h 43mUnited Airlines

Deal found 13/9C$ 1,066

Wed 29/107:00 a.m.YUL - AEP

2 stops30h 00mLATAM Airlines

Tue 11/112:55 p.m.AEP - YUL

2 stops28h 26mLATAM Airlines

Deal found 14/9C$ 1,178

Sat 8/112:45 p.m.YUL - AEP

2 stops23h 15mMultiple Airlines

Sun 23/118:25 p.m.AEP - YUL

2 stops27h 01mMultiple Airlines

Deal found 15/9C$ 1,231

Wed 5/112:13 p.m.YUL - EZE

2 stops39h 07mUnited Airlines

Thu 13/1110:05 p.m.EZE - YUL

2 stops19h 11mUnited Airlines

Deal found 15/9C$ 1,068

Sun 15/212:45 p.m.YUL - AEP

2 stops23h 15mLATAM Airlines

Wed 4/35:15 p.m.AEP - YUL

2 stops25h 49mLATAM Airlines

Deal found 14/9C$ 1,194

Wed 19/118:55 a.m.YUL - AEP

2 stops21h 00mMultiple Airlines

Wed 3/126:20 p.m.AEP - YUL

2 stops19h 19mMultiple Airlines

Deal found 15/9C$ 1,234

Tue 4/119:15 a.m.YUL - EZE

2 stops22h 05mUnited Airlines

Mon 17/1111:55 p.m.EZE - YUL

2 stops21h 53mUnited Airlines

Deal found 15/9C$ 1,068

Wed 15/107:00 a.m.YUL - AEP

2 stops32h 05mLATAM Airlines

Tue 28/105:15 p.m.AEP - YUL

2 stops19h 16mLATAM Airlines

Deal found 15/9C$ 1,261

Mon 27/105:10 p.m.YUL - AEP

2 stops23h 20mMultiple Airlines

Mon 10/1110:00 a.m.AEP - YUL

1 stop22h 10mMultiple Airlines

Deal found 14/9C$ 1,283

Wed 12/116:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Fri 21/1110:05 p.m.EZE - YUL

2 stops25h 37mUnited Airlines

Deal found 15/9C$ 1,082

Thu 9/1012:36 p.m.YUL - AEP

2 stops31h 54mLATAM Airlines

Wed 29/103:40 p.m.AEP - YUL

2 stops20h 51mLATAM Airlines

Deal found 15/9C$ 1,261

Mon 13/105:20 p.m.YUL - AEP

2 stops24h 15mMultiple Airlines

Mon 20/108:10 p.m.AEP - YUL

2 stops22h 51mMultiple Airlines

Deal found 13/9C$ 1,283

Wed 29/106:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Tue 25/1110:05 p.m.EZE - YUL

2 stops19h 11mUnited Airlines

Deal found 15/9C$ 1,082

Tue 28/107:00 a.m.YUL - EZE

2 stops22h 20mUnited Airlines

Thu 20/1111:55 p.m.EZE - YUL

2 stops40h 05mUnited Airlines

Deal found 15/9C$ 1,082

Thu 6/116:00 a.m.YUL - EZE

2 stops25h 20mUnited Airlines

Sun 16/1111:55 p.m.EZE - YUL

2 stops23h 47mUnited Airlines

Deal found 14/9C$ 1,082

Sat 1/116:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Tue 11/1110:05 p.m.EZE - YUL

2 stops17h 55mUnited Airlines

Deal found 14/9C$ 1,082

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 16 September 2025 and is based on user searches.

Tue 7/106:40 p.m.YUL - AEP

2 stops22h 55mLATAM Airlines

Tue 14/105:05 p.m.AEP - YUL

2 stops19h 26mLATAM Airlines

Deal found 14/9C$ 1,158

Tue 14/1010:40 p.m.YUL - EZE

1 stop14h 50mAir Canada

Fri 31/104:45 p.m.EZE - YUL

1 stop14h 50mAir Canada

Deal found 15/9C$ 1,084

Tue 21/1010:40 p.m.YUL - EZE

1 stop14h 50mAir Canada

Fri 7/114:45 p.m.EZE - YUL

1 stop15h 25mAir Canada

Deal found 14/9C$ 1,083

Tue 21/1010:40 p.m.YUL - EZE

1 stop14h 50mAir Canada

Sat 8/114:45 p.m.EZE - YUL

2 stops18h 38mAir Canada

Deal found 14/9C$ 1,091

Mon 27/1011:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Mon 10/117:35 a.m.EZE - YUL

1 stop15h 00mAvianca

Deal found 14/9C$ 1,049

Mon 27/106:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Mon 10/1111:55 p.m.EZE - YUL

2 stops23h 47mUnited Airlines

Deal found 14/9C$ 1,062

Mon 27/1010:30 p.m.YUL - EZE

1 stop39h 40mAir Canada

Mon 10/114:45 p.m.EZE - YUL

1 stop15h 25mAir Canada

Deal found 16/9C$ 1,068

Tue 28/107:00 a.m.YUL - AEP

2 stops23h 55mLATAM Airlines

Tue 11/112:55 p.m.AEP - YUL

2 stops28h 26mLATAM Airlines

Deal found 14/9C$ 1,159

Wed 29/1010:30 p.m.YUL - EZE

1 stop39h 40mAir Canada

Wed 5/114:45 p.m.EZE - YUL

1 stop15h 25mAir Canada

Deal found 14/9C$ 1,066

Wed 29/106:00 a.m.YUL - EZE

2 stops23h 20mUnited Airlines

Wed 26/1111:55 p.m.EZE - YUL

2 stops21h 53mUnited Airlines

Deal found 15/9C$ 1,082

Wed 29/107:00 a.m.YUL - AEP

2 stops30h 00mLATAM Airlines

Tue 11/112:55 p.m.AEP - YUL

2 stops28h 26mLATAM Airlines

Deal found 14/9C$ 1,178

Fri 31/106:00 a.m.YUL - EZE

2 stops32h 10mAir Canada

Sat 15/114:45 p.m.EZE - YUL

1 stop15h 25mAir Canada

Deal found 16/9C$ 1,057

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 16 September 2025.

Mon 19/110:00 p.m.YUL - EZE

2 stops45h 00mMultiple Airlines

Deal found 14/9C$ 513

Wed 12/1110:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Deal found 14/9C$ 515

Fri 9/16:45 a.m.YUL - EZE

2 stops36h 05mMultiple Airlines

Deal found 14/9C$ 519

Sun 5/107:00 a.m.YUL - AEP

2 stops31h 30mMultiple Airlines

Deal found 14/9C$ 529

Fri 3/1010:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Deal found 15/9C$ 529

Fri 31/109:55 p.m.YUL - EZE

1 stop16h 15mAir Canada

Deal found 15/9C$ 530

Mon 9/311:00 p.m.YUL - EZE

1 stop15h 50mAvianca

Deal found 14/9C$ 536

Thu 22/13:00 p.m.YUL - EZE

2 stops22h 50mAvianca

Deal found 14/9C$ 537

Wed 15/107:00 a.m.YUL - AEP

3 stops25h 30mMultiple Airlines

Deal found 14/9C$ 539

Wed 12/1110:30 p.m.YUL - EZE

2 stops38h 40mAir Canada

Deal found 14/9C$ 539

Wed 11/36:30 a.m.YUL - EZE

2 stops24h 50mUnited Airlines

Deal found 15/9C$ 548

Fri 31/104:45 p.m.YUL - EZE

2 stops38h 35mUnited Airlines

Deal found 15/9C$ 550

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

Mon 1/12

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

2 stops39h 07m

Buenos Aires Ministro Pistarini

Mon 15/12

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

2 stops23h 22m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

9:15 a.m.-7:20 a.m.

2 stops20h 05m

Buenos Aires Ministro Pistarini

Tue 9/12

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

2 stops17h 55m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Tue 2/12

10:05 p.m.-7:48 p.m.

2 stops23h 43m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

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

2 stops39h 07m

Buenos Aires Ministro Pistarini

Thu 13/11

10:05 p.m.-3:16 p.m.

2 stops19h 11m

C$ 1,068

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

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

2 stops22h 05m

Buenos Aires Ministro Pistarini

Mon 17/11

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

2 stops21h 53m

C$ 1,068

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

7:10 a.m.-4:16 a.m.

1 stop19h 06m

Buenos Aires Ministro Pistarini

Mon 1/12

3:41 a.m.-11:43 p.m.

1 stop22h 02m

C$ 1,078

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 10/11

7:10 a.m.-4:16 a.m.

1 stop19h 06m

Buenos Aires Ministro Pistarini

Mon 24/11

10:01 a.m.-11:43 p.m.

1 stop15h 42m

C$ 1,078

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Fri 21/11

10:05 p.m.-9:42 p.m.

2 stops25h 37m

C$ 1,082

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Tue 25/11

10:05 p.m.-3:16 p.m.

2 stops19h 11m

C$ 1,082

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

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

2 stops22h 20m

Buenos Aires Ministro Pistarini

Thu 20/11

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

2 stops40h 05m

C$ 1,082

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 43 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 45 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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 810). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in December is currently the most expensive (average of C$ 1,063). 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 afternoon. Doing so could potentially save you 6% 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.

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 47% 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?

Punta Cana (PUJ) is the most affordable 1-stop option, with an average round-trip price of C$ 1,112.

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

8.0

Very good

7,957 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta

8.0

Very good

7,957 reviews

Delta

8.0

Very good

7,957 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Copa Airlines

7.6

Good

1,531 reviews

Delta

8.0

Very good

7,957 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines

7.4

Good

8,924 reviews

Delta

8.0

Very good

7,957 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,957 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Avianca

6.7

Okay

2,435 reviews

Delta

8.0

Very good

7,957 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 22h 55m. Fly via United Airlines or LATAM Airlines to get the fastest option. There are 9024 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$ 872. Other airlines that can offer you cheap pricing are Avianca, from C$ 873, and Copa Airlines, from C$ 1,045. These flights start at 30% 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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 810). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in December is currently the most expensive (average of C$ 1,063). 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$ 872	AverageC$ 1,237	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Avianca	CheapestC$ 873	AverageC$ 1,120	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Copa Airlines	CheapestC$ 1,045	AverageC$ 1,303	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Air Canada	CheapestC$ 1,092	AverageC$ 1,365	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Arajet	CheapestC$ 1,096	AverageC$ 1,253	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
United Airlines	CheapestC$ 1,117	AverageC$ 1,507	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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Why should you use Cheapflights to find cheap flight tickets 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?

Need flexible booking options for your flight to Buenos Aires from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights 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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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 485

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 19/1. 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 45 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

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Find 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 16 September 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 16 September 2025.

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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.

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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 12 September 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 16 September 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.

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

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 16 September 2025.