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.

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

Users have found that flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires lean towards being more expensive in December. Prices are generally better when you fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in May, with the cheapest ticket starting at C$ 920.

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$ 475+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Q: How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Users have found that booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires at least 53 days early can save you up to 101% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires for as little as C$ 1,139 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,168 for flights departing within the next 3 days.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Buenos Aires are usually found in September or April, booked 14 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$ 1,054
One-way from	C$ 475
Popular in	December
Cheapest in	September
Average price	C$ 1,146

25/7-31/7
4 total stops
63h 51m total
Montreal to Buenos Aires

Search Deals

21/5
3 total stops
39h 51m total
Montreal to Buenos Aires

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (C$ 88 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 11 April 2025.

Fri 25/77:35 p.m.YUL - AEP

2 stops31h 30mMultiple Airlines

Thu 31/710:35 a.m.AEP - YUL

2 stops32h 21mMultiple Airlines

Deal found 10/4C$ 1,054

Fri 24/1011:25 p.m.YUL - EZE

1 stop14h 55mMultiple Airlines

Mon 27/108:30 p.m.EZE - YUL

1 stop15h 10mMultiple Airlines

Deal found 10/4C$ 1,054

Mon 14/79:45 a.m.YUL - EZE

2 stops45h 15mUnited Airlines

Mon 4/89:00 p.m.EZE - YUL

2 stops45h 26mUnited Airlines

Deal found 10/4C$ 1,057

Tue 13/510:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Wed 21/54:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 10/4C$ 1,085

Tue 7/106:15 p.m.YUL - AEP

2 stops32h 50mLATAM Airlines

Tue 14/103:40 p.m.AEP - YUL

2 stops21h 04mLATAM Airlines

Deal found 10/4C$ 1,102

Wed 24/97:00 a.m.YUL - EZE

2 stops22h 10mDelta

Thu 23/107:40 a.m.EZE - YUL

2 stops29h 04mDelta

Deal found 10/4C$ 1,102

Tue 1/78:42 a.m.YUL - EZE

1 stop18h 30mCopa Airlines

Wed 6/88:54 a.m.EZE - YUL

1 stop16h 46mCopa Airlines

Deal found 10/4C$ 1,112

Wed 22/1011:25 p.m.YUL - EZE

1 stop23h 45mAvianca

Tue 28/101:45 a.m.EZE - YUL

1 stop20h 50mAvianca

Deal found 10/4C$ 1,115

Thu 17/47:00 a.m.YUL - EZE

2 stops27h 48mLATAM Airlines

Tue 22/43:55 a.m.EZE - YUL

2 stops32h 38mLATAM Airlines

Deal found 10/4C$ 1,139

Wed 29/106:15 p.m.YUL - AEP

2 stops20h 25mDelta

Wed 3/123:05 p.m.AEP - YUL

2 stops22h 39mDelta

Deal found 10/4C$ 1,231

Tue 28/103:58 p.m.YUL - EZE

1 stop16h 12mAmerican Airlines

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

1 stop18h 25mAmerican Airlines

Deal found 10/4C$ 1,250

Tue 15/711:40 a.m.YUL - EZE

1 stop14h 45mArajet

Mon 4/88:30 p.m.EZE - YUL

1 stop15h 10mArajet

Deal found 10/4C$ 1,311

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 11 April 2025.

Fri 25/77:35 p.m.YUL - AEP

2 stops31h 30mMultiple Airlines

Thu 31/710:35 a.m.AEP - YUL

2 stops32h 21mMultiple Airlines

Deal found 10/4C$ 1,054

Mon 14/79:45 a.m.YUL - EZE

2 stops45h 15mUnited Airlines

Mon 4/89:00 p.m.EZE - YUL

2 stops45h 26mUnited Airlines

Deal found 10/4C$ 1,057

Tue 13/510:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Wed 21/54:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 10/4C$ 1,085

Tue 7/106:15 p.m.YUL - AEP

2 stops32h 50mLATAM Airlines

Tue 14/103:40 p.m.AEP - YUL

2 stops21h 04mLATAM Airlines

Deal found 10/4C$ 1,102

Wed 24/97:00 a.m.YUL - EZE

2 stops22h 10mDelta

Thu 23/107:40 a.m.EZE - YUL

2 stops29h 04mDelta

Deal found 10/4C$ 1,102

Tue 1/78:42 a.m.YUL - EZE

1 stop18h 30mCopa Airlines

Wed 6/88:54 a.m.EZE - YUL

1 stop16h 46mCopa Airlines

Deal found 10/4C$ 1,112

Wed 10/911:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Thu 25/91:40 a.m.EZE - YUL

1 stop21h 25mAvianca

Deal found 10/4C$ 1,186

Tue 15/711:40 a.m.YUL - EZE

1 stop14h 45mArajet

Mon 4/88:30 p.m.EZE - YUL

1 stop15h 10mArajet

Deal found 10/4C$ 1,311

Tue 5/86:15 p.m.YUL - EZE

2 stops55h 15mLATAM Airlines

Sun 10/85:33 a.m.EZE - YUL

2 stops31h 13mLATAM Airlines

Deal found 9/4C$ 1,191

Thu 19/61:25 p.m.YUL - EZE

2 stops27h 47mMultiple Airlines

Wed 2/75:33 a.m.EZE - YUL

2 stops30h 58mMultiple Airlines

Deal found 10/4C$ 1,195

Mon 7/76:15 p.m.YUL - AEP

2 stops24h 45mDelta

Tue 15/74:30 a.m.AEP - YUL

2 stops20h 27mDelta

Deal found 10/4C$ 1,243

Wed 10/911:25 p.m.YUL - AEP

1 stop29h 15mAvianca

Fri 26/97:00 a.m.AEP - YUL

1 stop16h 05mAvianca

Deal found 10/4C$ 1,386

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 11 April 2025 and is based on user searches.

Sat 12/412:30 p.m.YUL - EZE

2 stops41h 50mAmerican Airlines

Fri 18/48:25 p.m.EZE - YUL

2 stops20h 00mAmerican Airlines

Deal found 10/4C$ 1,418

Tue 15/46:00 p.m.YUL - EZE

1 stop14h 45mDelta

Thu 17/48:10 p.m.EZE - YUL

2 stops29h 29mDelta

Deal found 10/4C$ 1,292

Tue 15/412:30 p.m.YUL - EZE

2 stops19h 20mAmerican Airlines

Fri 18/48:25 p.m.EZE - YUL

2 stops16h 55mAmerican Airlines

Deal found 10/4C$ 1,433

Tue 15/48:29 a.m.YUL - EZE

2 stops21h 31mMultiple Airlines

Sat 19/42:45 p.m.EZE - YUL

1 stop34h 55mMultiple Airlines

Deal found 10/4C$ 1,476

Tue 15/411:40 a.m.YUL - EZE

1 stop30h 50mArajet

Fri 18/44:25 a.m.EZE - YUL

1 stop18h 05mArajet

Deal found 10/4C$ 1,923

Thu 17/47:00 a.m.YUL - EZE

2 stops27h 48mLATAM Airlines

Tue 22/43:55 a.m.EZE - YUL

2 stops32h 38mLATAM Airlines

Deal found 10/4C$ 1,139

Thu 17/46:00 p.m.YUL - AEP

2 stops23h 35mLATAM Airlines

Wed 23/48:40 a.m.AEP - YUL

2 stops27h 53mLATAM Airlines

Deal found 10/4C$ 1,167

Sat 19/410:50 p.m.YUL - AEP

1 stop28h 15mMultiple Airlines

Mon 5/510:55 p.m.AEP - YUL

2 stops37h 44mMultiple Airlines

Deal found 9/4C$ 1,285

Sat 19/43:06 p.m.YUL - AEP

2 stops20h 29mDelta

Mon 5/511:40 a.m.AEP - YUL

2 stops23h 49mDelta

Deal found 9/4C$ 1,334

Sat 19/44:31 p.m.YUL - EZE

2 stops38h 29mUnited Airlines

Mon 5/59:00 p.m.EZE - YUL

2 stops23h 45mUnited Airlines

Deal found 9/4C$ 1,387

Sat 19/48:29 a.m.YUL - EZE

1 stop15h 18mCopa Airlines

Mon 5/510:05 a.m.EZE - YUL

1 stop15h 35mCopa Airlines

Deal found 9/4C$ 1,641

Sun 20/410:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Mon 5/54:35 p.m.EZE - YUL

2 stops20h 46mAir Canada

Deal found 10/4C$ 1,497

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 11 April 2025.

Wed 21/58:41 a.m.YUL - AEP

3 stops39h 51mMultiple Airlines

Deal found 10/4C$ 475

Wed 21/58:41 a.m.YUL - EZE

3 stops34h 19mMultiple Airlines

Deal found 10/4C$ 490

Wed 21/511:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Deal found 10/4C$ 528

Sat 9/89:50 p.m.YUL - EZE

2 stops39h 40mAir Canada

Deal found 10/4C$ 538

Tue 6/511:40 a.m.YUL - EZE

1 stop30h 50mArajet

Deal found 10/4C$ 664

Wed 2/711:25 p.m.YUL - AEP

1 stop29h 15mAvianca

Deal found 10/4C$ 687

Fri 4/77:00 a.m.YUL - EZE

2 stops21h 55mLATAM Airlines

Deal found 10/4C$ 699

Tue 6/512:38 p.m.YUL - AEP

2 stops28h 57mLATAM Airlines

Deal found 10/4C$ 705

Thu 3/76:45 p.m.YUL - EZE

1 stop14h 00mDelta

Deal found 10/4C$ 710

Sat 10/52:50 p.m.YUL - AEP

2 stops23h 50mDelta

Deal found 10/4C$ 768

Tue 1/710:45 p.m.YUL - AEP

1 stop17h 35mAir Canada

Deal found 10/4C$ 1,042

Sat 2/88:42 a.m.YUL - EZE

1 stop36h 26mCopa Airlines

Deal found 10/4C$ 1,248

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 - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Fri 25/7

7:35 p.m.-4:05 a.m.

2 stops31h 30m

Buenos Aires Jorge Newbery

Thu 31/7

10:35 a.m.-5:56 p.m.

2 stops32h 21m

C$ 1,054

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

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

2 stops45h 15m

Buenos Aires Ministro Pistarini

Mon 4/8

9:00 p.m.-5:26 p.m.

2 stops45h 26m

C$ 1,057

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

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

1 stop14h 45m

Buenos Aires Ministro Pistarini

Wed 21/5

4:35 p.m.-6:15 a.m.

1 stop14h 40m

C$ 1,085

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:15 p.m.-4:05 a.m.

2 stops32h 50m

Buenos Aires Jorge Newbery

Tue 14/10

3:40 p.m.-11:44 a.m.

2 stops21h 04m

C$ 1,102

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

7:00 a.m.-6:10 a.m.

2 stops22h 10m

Buenos Aires Ministro Pistarini

Thu 23/10

7:40 a.m.-11:44 a.m.

2 stops29h 04m

C$ 1,102

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 1/7

8:42 a.m.-4:12 a.m.

1 stop18h 30m

Buenos Aires Ministro Pistarini

Wed 6/8

8:54 a.m.-12:40 a.m.

1 stop16h 46m

C$ 1,112

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

11:25 p.m.-3:20 p.m.

1 stop14h 55m

Buenos Aires Ministro Pistarini

Thu 25/9

1:40 a.m.-10:05 p.m.

1 stop21h 25m

C$ 1,186

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 5/8

6:15 p.m.-2:30 a.m.

2 stops55h 15m

Buenos Aires Ministro Pistarini

Sun 10/8

5:33 a.m.-11:46 a.m.

2 stops31h 13m

C$ 1,191

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 19/6

1:25 p.m.-6:12 p.m.

2 stops27h 47m

Buenos Aires Ministro Pistarini

Wed 2/7

5:33 a.m.-11:31 a.m.

2 stops30h 58m

C$ 1,195

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

6:15 p.m.-8:00 p.m.

2 stops24h 45m

Buenos Aires Jorge Newbery

Tue 15/7

4:30 a.m.-11:57 p.m.

2 stops20h 27m

C$ 1,243

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 25 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 14 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, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 816). 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.

Rainfall in Buenos Aires by month

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.

Temperature in Buenos Aires by month

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).

Reviews of airlines servicing Buenos Aires

Get a feel of what it's like to fly with Delta, Copa Airlines and LATAM Airlines from Montreal to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,911 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Delta

8.0

Very good

7,911 reviews

Delta

8.0

Very good

7,911 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Copa Airlines

7.6

Good

1,408 reviews

Delta

8.0

Very good

7,911 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

LATAM Airlines

7.5

Good

1,757 reviews

Delta

8.0

Very good

7,911 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

United Airlines

7.4

Good

8,636 reviews

Delta

8.0

Very good

7,911 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Air Canada

7.0

Good

9,085 reviews

Delta

8.0

Very good

7,911 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Related info for your journey

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$ 1,057. Other airlines that can offer you cheap pricing are Air Canada, from C$ 1,085, and LATAM Airlines, from C$ 1,102. These flights start at 17% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires one-way?
The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires are Avianca (C$ 528), Air Canada (C$ 538), and Arajet (C$ 664).
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, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 816). 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
Avianca	CheapestC$ 712	AverageC$ 1,081	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Arajet	CheapestC$ 752	AverageC$ 1,114	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
Delta	CheapestC$ 917	AverageC$ 1,252	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Copa Airlines	CheapestC$ 990	AverageC$ 1,256	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
United Airlines	CheapestC$ 1,081	AverageC$ 1,491	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 1,110	AverageC$ 1,471	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

When you search for this flight from Pierre Elliott Trudeau Intl to Buenos Aires, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Buenos Aires?

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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.

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 475

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 21/5. 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 April, booked 14 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

One-way from

Popular in

Cheapest in

Average price

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 11 April 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 11 April 2025.

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.

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.

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?

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 4 April 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 11 April 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.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

Reviews of airlines servicing Buenos Aires

Get a feel of what it's like to fly with Delta, Copa Airlines and LATAM Airlines from Montreal to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of 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.

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

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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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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 11 April 2025.