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Cheap flights from Montreal to Buenos Aires from C$ 448

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — BUE
4 mai — 11 mai1
1 adult

Cheapflights Tip: The best prices from Montreal to Buenos Aires are usually found in May or September, booked 52 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Montreal to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 avril 2025.

Round-trip from

C$ 1,038

One-way from

C$ 448

Popular in

December

Cheapest in

May

Average price

C$ 1,224
Avianca
  • Avianca
  • 10/9-26/9
  • 2 total stops
  • 31h 10m total
  • Montreal to Buenos Aires
3/6
  • 3/6
  • 2 total stops
  • 27h 00m total
  • Montreal to Buenos Aires
Highest demand for flights based on searches. 7% potential increase in price (C$ 134 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 45 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Montreal to Buenos Aires

Cheapest flights from Montreal to Buenos Aires
Explore the most affordable flight options available from Montreal to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 avril 2025.

mer. 10/911:25 p.m.YUL - EZE
1 stop14h 55mAvianca
ven. 26/96:50 a.m.EZE - YUL
1 stop16h 15mAvianca
Deal found 28/4C$ 1,038
mer. 18/68:41 a.m.YUL - EZE
1 stop15h 10mCopa Airlines
mer. 2/75:03 a.m.EZE - YUL
1 stop20h 37mCopa Airlines
Deal found 28/4C$ 1,041
mar. 19/811:40 a.m.YUL - AEP
2 stops29h 40mMultiple Airlines
jeu. 28/87:40 p.m.AEP - YUL
2 stops26h 50mMultiple Airlines
Deal found 27/4C$ 1,066
lun. 17/117:05 p.m.YUL - EZE
2 stops34h 15mUnited Airlines
mer. 3/1210:05 p.m.EZE - YUL
2 stops24h 13mUnited Airlines
Deal found 28/4C$ 1,068
mer. 6/810:40 p.m.YUL - EZE
1 stop14h 50mAir Canada
jeu. 14/84:35 p.m.EZE - YUL
1 stop14h 40mAir Canada
Deal found 28/4C$ 1,095
mer. 1/107:00 a.m.YUL - AEP
2 stops37h 30mLATAM Airlines
jeu. 16/108:40 a.m.AEP - YUL
2 stops33h 24mLATAM Airlines
Deal found 28/4C$ 1,114
dim. 9/115:00 p.m.YUL - EZE
2 stops23h 45mDelta
jeu. 20/117:35 a.m.EZE - YUL
2 stops18h 18mDelta
Deal found 27/4C$ 1,129
mar. 4/117:00 a.m.YUL - EZE
2 stops33h 45mLATAM Airlines
mar. 18/113:45 a.m.EZE - YUL
2 stops22h 08mLATAM Airlines
Deal found 27/4C$ 1,170
jeu. 17/76:15 p.m.YUL - EZE
2 stops22h 59mMultiple Airlines
sam. 2/87:13 p.m.EZE - YUL
2 stops23h 43mMultiple Airlines
Deal found 28/4C$ 1,225
mer. 29/106:15 p.m.YUL - AEP
2 stops20h 25mDelta
mer. 3/126:20 a.m.AEP - YUL
2 stops19h 33mDelta
Deal found 28/4C$ 1,239
mer. 8/107:10 a.m.YUL - EZE
1 stop24h 50mAmerican Airlines
ven. 24/108:30 p.m.EZE - YUL
2 stops19h 40mAmerican Airlines
Deal found 28/4C$ 1,267
ven. 7/116:10 p.m.YUL - EZE
1 stop23h 30mArajet
jeu. 20/1111:07 a.m.EZE - YUL
1 stop32h 03mArajet
Deal found 27/4C$ 1,315

Cheapflights Fare Finder

Customize your flight search to find flights from Montreal 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, Cheapflights users made 629,999 searches. Data last updated 29 avril 2025.
Use the filters below to find and compare flights from Montreal to Buenos Aires that are best for you.

Fly from

Montreal

Fly to

Buenos Aires

Route

Depart

Return

Price

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mer. 10/9

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

1 stop14h 55m

Buenos Aires Ministro Pistarini

ven. 26/9

6:50 a.m.-10:05 p.m.

1 stop16h 15m

C$ 1,038

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mer. 18/6

8:41 a.m.-12:51 a.m.

1 stop15h 10m

Buenos Aires Ministro Pistarini

mer. 2/7

5:03 a.m.-12:40 a.m.

1 stop20h 37m

C$ 1,041

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

mar. 19/8

11:40 a.m.-6:20 p.m.

2 stops29h 40m

Buenos Aires Jorge Newbery

jeu. 28/8

7:40 p.m.-9:30 p.m.

2 stops26h 50m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

lun. 22/9

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

2 stops21h 15m

Buenos Aires Ministro Pistarini

mar. 21/10

9:00 p.m.-9:29 p.m.

2 stops25h 29m

C$ 1,068

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mer. 6/8

10:40 p.m.-2:30 p.m.

1 stop14h 50m

Buenos Aires Ministro Pistarini

jeu. 14/8

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

1 stop14h 40m

C$ 1,095

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

mer. 1/10

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

2 stops37h 30m

Buenos Aires Jorge Newbery

jeu. 16/10

8:40 a.m.-5:04 p.m.

2 stops33h 24m

C$ 1,114

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mar. 20/5

11:00 a.m.-9:45 a.m.

2 stops21h 45m

Buenos Aires Ministro Pistarini

sam. 21/6

8:10 p.m.-11:54 p.m.

1 stop28h 44m

C$ 1,164

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mar. 16/9

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

2 stops22h 10m

Buenos Aires Ministro Pistarini

dim. 12/10

3:55 a.m.-7:29 a.m.

2 stops28h 34m

C$ 1,171

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

jeu. 17/7

6:15 p.m.-6:14 p.m.

2 stops22h 59m

Buenos Aires Ministro Pistarini

sam. 2/8

7:13 p.m.-5:56 p.m.

2 stops23h 43m

C$ 1,225

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mer. 8/10

7:10 a.m.-9:00 a.m.

1 stop24h 50m

Buenos Aires Ministro Pistarini

ven. 24/10

8:30 p.m.-3:10 p.m.

2 stops19h 40m

C$ 1,267

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 23 results
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Best time to book a flight from Montreal to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Montreal 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 to Buenos Aires

How far ahead should I book a flight from Montreal to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Buenos Aires. Price data was last updated on 25 April 2025.

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Montreal to Buenos Aires?

Currently, November is the cheapest month in which you can book a flight from Montreal to Buenos Aires (average of C$ 816). Flying from Montreal 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 YMQ to BUE?

Find hourly flight availability from Montreal 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 29 avril 2025.

One of the essential ways to save on airfare from Montreal to Buenos Aires is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 6% on airfare.

What is the cheapest day to fly from Montreal to Buenos Aires?

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

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

Rainfall in Buenos Aires by month

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

Plan your trip to Buenos Aires by taking into account the average temperature totals 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 insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 29 avril 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines and Copa Airlines from Montreal to Buenos Aires to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

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

Find useful and relevant information for your journey from Montreal 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 to Buenos Aires round-trip?

    According to our current data, Avianca (C$ 1,038), Copa Airlines (C$ 1,041), and United Airlines (C$ 1,068) offers the cheapest pricing from Montreal to Buenos Aires. These flights start at 17% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Montreal to Buenos Aires one-way?

    One-way options have recently been found by users for as low as C$ 527 on Arajet. Other airlines that offer cheap prices include Air Canada from C$ 535 and Avianca from C$ 540 one-way.

  • Can I find deals for flights from Montreal to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Montreal to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Buenos Aires.

  • Can I find deals for business class flights from Montreal to Buenos Aires?

    Yes. Cheapflights offers flight deals from Montreal 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 to Buenos Aires?

    Currently, November is the cheapest month in which you can book a flight from Montreal to Buenos Aires (average of C$ 816). Flying from Montreal 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

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Top 6 airlines flying from Montreal to Buenos Aires

Discover the top 6 airlines that operate flights from Montreal to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 avril 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapestC$ 703AverageC$ 1,080FlexibilityNo cancel feeOn-time71%
Search Avianca flights
ArajetCheapestC$ 743AverageC$ 1,100FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
DeltaCheapestC$ 905AverageC$ 1,250FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Copa AirlinesCheapestC$ 977AverageC$ 1,246FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapestC$ 1,081AverageC$ 1,481FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,095AverageC$ 1,466FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Montreal to Buenos Aires?

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Why should you use Cheapflights to find cheap flight tickets from Montreal to Buenos Aires?

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Can Cheapflights find flights from Montreal to Buenos Aires with no change fees?

Need flexible booking options for your flight to Buenos Aires from Montreal? 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 Montreal to Buenos Aires become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Buenos Aires from Montreal today and book when prices fit your budget.

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