What are the cheapest airlines flying from Montreal to Buenos Aires round-trip?

According to our current data, LATAM Airlines (C$ 1,121), Copa Airlines (C$ 1,126), and Delta (C$ 1,136) offers the cheapest pricing from Montreal to Buenos Aires. These flights start at 13% 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$ 351 on Avianca. Other airlines that offer cheap prices include Air Canada from C$ 535 and Arajet from C$ 581 one-way.

What are the most popular airlines that fly from Montreal to Buenos Aires?

Consider Air Canada, Avianca or Copa Airlines when booking your flight. These represent the most popular airlines when flying from Montreal to Buenos Aires.

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

Flights from Montreal to Buenos Aires are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

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

Users have found that booking a flight from Montreal 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 to Buenos Aires for as little as C$ 1,163 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$ 1,193 for flights departing within the next 3 days.

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

Flights from Montreal to Buenos Aires lean towards being more expensive in December. Prices are generally better when you fly from Montreal to Buenos Aires in May, with the cheapest ticket starting at C$ 823.

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.

C$ 351+ Flights from Montreal to Buenos Aires

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

Round-trip from	C$ 1,121
One-way from	C$ 351
Popular in	December
Cheapest in	May
Average price	C$ 1,251

LATAM Airlines
21/5-29/5
4 total stops
43h 55m total
Montreal to Buenos Aires

Search Deals

Avianca
4/4
1 total stop
14h 55m total
Montreal to Buenos Aires

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 152 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 21 March 2025.

Wed 21/512:44 p.m.YUL - AEP

2 stops24h 16mLATAM Airlines

Thu 29/55:00 p.m.AEP - YUL

2 stops19h 39mLATAM Airlines

Deal found 20/3C$ 1,121

Thu 4/97:00 a.m.YUL - EZE

2 stops21h 55mLATAM Airlines

Mon 22/97:40 a.m.EZE - YUL

2 stops29h 06mLATAM Airlines

Deal found 19/3C$ 1,123

Wed 3/98:41 a.m.YUL - EZE

1 stop15h 14mCopa Airlines

Sat 13/92:13 a.m.EZE - YUL

1 stop23h 27mCopa Airlines

Deal found 19/3C$ 1,126

Fri 21/37:00 a.m.YUL - EZE

1 stop25h 00mAmerican Airlines

Fri 28/311:59 p.m.EZE - YUL

1 stop24h 21mAmerican Airlines

Deal found 20/3C$ 1,131

Fri 5/96:15 p.m.YUL - EZE

1 stop14h 30mDelta

Mon 22/97:40 a.m.EZE - YUL

2 stops29h 06mDelta

Deal found 19/3C$ 1,136

Mon 25/86:15 a.m.YUL - EZE

2 stops24h 45mUnited Airlines

Mon 15/99:00 p.m.EZE - YUL

2 stops45h 26mUnited Airlines

Deal found 20/3C$ 1,150

Mon 31/311:25 p.m.YUL - EZE

1 stop23h 45mAvianca

Sun 13/42:30 a.m.EZE - YUL

2 stops20h 35mAvianca

Deal found 21/3C$ 1,163

Sun 4/512:42 p.m.YUL - EZE

3 stops35h 00mMultiple Airlines

Sun 11/53:49 p.m.EZE - YUL

2 stops26h 51mMultiple Airlines

Deal found 20/3C$ 1,164

Wed 21/512:44 p.m.YUL - AEP

3 stops35h 03mMultiple Airlines

Thu 29/59:55 p.m.AEP - YUL

2 stops24h 35mMultiple Airlines

Deal found 20/3C$ 1,166

Tue 6/510:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Wed 14/54:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 20/3C$ 1,180

Tue 1/76:15 p.m.YUL - AEP

2 stops20h 25mDelta

Wed 6/86:20 a.m.AEP - YUL

2 stops18h 37mDelta

Deal found 21/3C$ 1,245

Sun 2/1110:00 p.m.YUL - AEP

1 stop29h 40mAvianca

Sun 23/117:00 a.m.AEP - YUL

1 stop15h 35mAvianca

Deal found 20/3C$ 1,438

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

Wed 21/512:44 p.m.YUL - AEP

2 stops24h 16mLATAM Airlines

Thu 29/55:00 p.m.AEP - YUL

2 stops19h 39mLATAM Airlines

Deal found 20/3C$ 1,121

Wed 3/98:41 a.m.YUL - EZE

1 stop15h 14mCopa Airlines

Sat 13/92:13 a.m.EZE - YUL

1 stop23h 27mCopa Airlines

Deal found 19/3C$ 1,126

Fri 5/96:15 p.m.YUL - EZE

1 stop14h 30mDelta

Mon 22/97:40 a.m.EZE - YUL

2 stops29h 06mDelta

Deal found 19/3C$ 1,136

Mon 25/86:15 a.m.YUL - EZE

2 stops24h 45mUnited Airlines

Mon 15/99:00 p.m.EZE - YUL

2 stops45h 26mUnited Airlines

Deal found 20/3C$ 1,150

Mon 31/311:25 p.m.YUL - EZE

1 stop23h 45mAvianca

Sun 13/42:30 a.m.EZE - YUL

2 stops20h 35mAvianca

Deal found 21/3C$ 1,163

Sun 4/512:42 p.m.YUL - EZE

3 stops35h 00mMultiple Airlines

Sun 11/53:49 p.m.EZE - YUL

2 stops26h 51mMultiple Airlines

Deal found 20/3C$ 1,164

Tue 6/510:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Wed 14/54:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 20/3C$ 1,180

Tue 1/47:14 a.m.YUL - EZE

2 stops26h 01mAmerican Airlines

Sun 6/49:15 p.m.EZE - YUL

2 stops26h 29mAmerican Airlines

Deal found 20/3C$ 1,421

Thu 4/97:00 a.m.YUL - EZE

2 stops21h 55mLATAM Airlines

Mon 22/97:40 a.m.EZE - YUL

2 stops29h 06mLATAM Airlines

Deal found 19/3C$ 1,123

Wed 21/512:44 p.m.YUL - AEP

3 stops35h 03mMultiple Airlines

Thu 29/59:55 p.m.AEP - YUL

2 stops24h 35mMultiple Airlines

Deal found 20/3C$ 1,166

Tue 13/56:45 p.m.YUL - AEP

2 stops19h 55mDelta

Mon 14/74:30 a.m.AEP - YUL

2 stops20h 27mDelta

Deal found 20/3C$ 1,246

Sun 11/510:45 p.m.YUL - AEP

1 stop17h 35mAir Canada

Mon 14/71:40 p.m.AEP - YUL

1 stop17h 35mAir Canada

Deal found 20/3C$ 2,074

Last-minute flights from Montreal to Buenos Aires
Discover last-minute flight deals from Montreal to Buenos Aires. Data last updated 21 March 2025 and is based on user searches.

Fri 21/37:00 a.m.YUL - EZE

1 stop25h 00mAmerican Airlines

Fri 28/311:59 p.m.EZE - YUL

1 stop24h 21mAmerican Airlines

Deal found 20/3C$ 1,131

Wed 26/311:25 a.m.YUL - EZE

2 stops20h 35mDelta

Thu 3/48:10 p.m.EZE - YUL

2 stops20h 50mDelta

Deal found 20/3C$ 1,156

Wed 26/38:42 a.m.YUL - EZE

1 stop15h 25mCopa Airlines

Wed 2/42:20 a.m.EZE - YUL

1 stop23h 20mCopa Airlines

Deal found 20/3C$ 1,705

Thu 27/310:25 p.m.YUL - EZE

1 stop15h 00mAir Canada

Thu 10/44:35 p.m.EZE - YUL

1 stop14h 40mAir Canada

Deal found 20/3C$ 1,182

Thu 27/312:40 p.m.YUL - AEP

2 stops29h 00mDelta

Sun 6/412:55 a.m.AEP - YUL

2 stops24h 04mDelta

Deal found 20/3C$ 1,286

Thu 27/37:00 a.m.YUL - EZE

1 stop25h 00mAmerican Airlines

Sun 6/49:15 p.m.EZE - YUL

2 stops26h 29mAmerican Airlines

Deal found 20/3C$ 1,421

Sat 29/311:40 a.m.YUL - EZE

1 stop14h 45mArajet

Mon 7/44:25 a.m.EZE - YUL

1 stop18h 05mArajet

Deal found 20/3C$ 1,740

Sun 30/37:00 a.m.YUL - AEP

2 stops36h 40mMultiple Airlines

Tue 8/47:55 a.m.AEP - YUL

2 stops28h 38mMultiple Airlines

Deal found 20/3C$ 1,193

Sun 30/310:45 p.m.YUL - AEP

1 stop17h 35mAir Canada

Mon 7/41:40 p.m.AEP - YUL

1 stop17h 35mAir Canada

Deal found 20/3C$ 2,584

Mon 31/37:00 a.m.YUL - EZE

2 stops33h 13mLATAM Airlines

Tue 8/47:30 a.m.EZE - YUL

2 stops29h 03mLATAM Airlines

Deal found 20/3C$ 1,162

Mon 31/311:25 p.m.YUL - EZE

1 stop23h 45mAvianca

Sun 13/42:30 a.m.EZE - YUL

2 stops20h 35mAvianca

Deal found 21/3C$ 1,163

Mon 31/311:25 p.m.YUL - EZE

1 stop14h 55mMultiple Airlines

Tue 8/49:55 p.m.EZE - YUL

2 stops25h 10mMultiple Airlines

Deal found 20/3C$ 1,233

One-way flights from Montreal to Buenos Aires
Search for one-way flight options from Montreal to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 21 March 2025.

Fri 4/411:25 p.m.YUL - EZE

1 stop14h 55mAvianca

Deal found 20/3C$ 351

Mon 7/411:25 p.m.YUL - AEP

3 stops56h 50mMultiple Airlines

Deal found 20/3C$ 426

Mon 7/411:25 p.m.YUL - EZE

3 stops24h 40mMultiple Airlines

Deal found 20/3C$ 432

Tue 6/510:45 p.m.YUL - EZE

1 stop14h 45mAir Canada

Deal found 21/3C$ 535

Sat 12/411:40 a.m.YUL - EZE

1 stop14h 45mArajet

Deal found 20/3C$ 581

Mon 7/412:30 p.m.YUL - EZE

2 stops20h 45mAmerican Airlines

Deal found 19/3C$ 591

Sat 9/88:42 a.m.YUL - EZE

1 stop18h 32mCopa Airlines

Deal found 21/3C$ 664

Tue 6/56:00 p.m.YUL - AEP

2 stops22h 00mLATAM Airlines

Deal found 21/3C$ 711

Sat 12/47:14 a.m.YUL - EZE

2 stops21h 56mLATAM Airlines

Deal found 20/3C$ 711

Fri 11/46:15 a.m.YUL - EZE

2 stops24h 45mUnited Airlines

Deal found 20/3C$ 721

Sun 6/410:45 p.m.YUL - AEP

1 stop17h 35mAir Canada

Deal found 20/3C$ 1,043

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal 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

Wed 21/5

12:44 p.m.-2:00 p.m.

2 stops24h 16m

Buenos Aires Jorge Newbery

Thu 29/5

5:00 p.m.-11:39 a.m.

2 stops19h 39m

C$ 1,121

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

7:00 a.m.-5:55 a.m.

2 stops21h 55m

Buenos Aires Ministro Pistarini

Mon 22/9

7:40 a.m.-11:46 a.m.

2 stops29h 06m

C$ 1,123

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

8:41 a.m.-12:55 a.m.

1 stop15h 14m

Buenos Aires Ministro Pistarini

Sat 13/9

2:13 a.m.-12:40 a.m.

1 stop23h 27m

C$ 1,126

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

6:15 p.m.-9:45 a.m.

1 stop14h 30m

Buenos Aires Ministro Pistarini

Mon 22/9

7:40 a.m.-11:46 a.m.

2 stops29h 06m

C$ 1,136

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

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

2 stops24h 45m

Buenos Aires Ministro Pistarini

Mon 15/9

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

2 stops45h 26m

C$ 1,150

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 31/3

11:25 p.m.-12:10 a.m.

1 stop23h 45m

Buenos Aires Ministro Pistarini

Sun 13/4

2:30 a.m.-10:05 p.m.

2 stops20h 35m

C$ 1,163

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

12:42 p.m.-12:42 a.m.

3 stops35h 00m

Buenos Aires Ministro Pistarini

Sun 11/5

3:49 p.m.-5:40 p.m.

2 stops26h 51m

C$ 1,164

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

12:44 p.m.-12:47 a.m.

3 stops35h 03m

Buenos Aires Jorge Newbery

Thu 29/5

9:55 p.m.-9:30 p.m.

2 stops24h 35m

C$ 1,166

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 6/5

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

1 stop14h 45m

Buenos Aires Ministro Pistarini

Wed 14/5

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

1 stop14h 40m

C$ 1,180

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 1/7

6:15 p.m.-3:40 p.m.

2 stops20h 25m

Buenos Aires Jorge Newbery

Wed 6/8

6:20 a.m.-11:57 p.m.

2 stops18h 37m

C$ 1,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

Showing 1-10 of 24 results

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?

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?

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?

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

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

Peruse reviews from past customers who have flown with Delta, Copa Airlines and LATAM 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.

Delta

8.0

Very good

7,895 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

7,895 reviews

Delta

8.0

Very good

7,895 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

1,400 reviews

Delta

8.0

Very good

7,895 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

1,750 reviews

Delta

8.0

Very good

7,895 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

8,605 reviews

Delta

8.0

Very good

7,895 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,895 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 to Buenos Aires round-trip?
According to our current data, LATAM Airlines (C$ 1,121), Copa Airlines (C$ 1,126), and Delta (C$ 1,136) offers the cheapest pricing from Montreal to Buenos Aires. These flights start at 13% 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$ 351 on Avianca. Other airlines that offer cheap prices include Air Canada from C$ 535 and Arajet from C$ 581 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

Top 6 airlines flying from Montreal to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Arajet	CheapestC$ 719	AverageC$ 966	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
Avianca	CheapestC$ 733	AverageC$ 1,142	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
Delta	CheapestC$ 937	AverageC$ 1,283	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Copa Airlines	CheapestC$ 1,011	AverageC$ 1,313	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
United Airlines	CheapestC$ 1,105	AverageC$ 1,521	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 1,143	AverageC$ 1,492	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Buenos Aires. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to Buenos Aires for you. Better yet — we are completely free to use.

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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Cheap flights from Montreal to Buenos Aires from C$ 351

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Montreal to Buenos Aires

Cheapest flights from Montreal to Buenos AiresExplore 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 21 March 2025.

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 21 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to Buenos Aires that are best for you.

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.

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 14 March 2025.

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

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 21 March 2025.

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.

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

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Buenos Aires

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

Top 6 airlines flying from Montreal to Buenos Aires

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

Can Cheapflights notify me if prices for flights from Montreal to Buenos Aires become cheaper?

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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 21 March 2025.