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Cheap flights from Montreal to Buenos Aires from C$ 443

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Buenos Aires departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 a.m. - 7:20 a.m.
YUL
-
EZE
23h 20m2 stops
United Airlines Logo
11:55 p.m. - 9:17 p.m.
EZE
-
YUL
23h 22m2 stops
C$ 1,065United Airlines
Thu, 29 Jan - Thu, 19 Feb
United Airlines Logo
6:00 a.m. - 9:20 a.m.
YUL
-
EZE
25h 20m2 stops
United Airlines Logo
9:00 p.m. - 10:37 a.m.
EZE
-
YUL
38h 37m2 stops
C$ 1,066United Airlines
Wed, 4 Mar - Tue, 21 Apr
United Airlines Logo
6:00 a.m. - 9:20 a.m.
YUL
-
EZE
25h 20m2 stops
United Airlines Logo
11:55 p.m. - 7:48 p.m.
EZE
-
YUL
21h 53m2 stops
C$ 1,069United Airlines
Mon, 2 Feb - Thu, 26 Feb
Multiple Airlines Logo
11:00 p.m. - 3:50 p.m.
YUL
-
EZE
15h 50m1 stop
Multiple Airlines Logo
7:10 a.m. - 12:20 a.m.
EZE
-
YUL
18h 10m1 stop
C$ 1,070Multiple Airlines
Sun, 8 Mar - Thu, 16 Apr
Copa Airlines Logo
8:35 a.m. - 2:30 a.m.
YUL
-
EZE
16h 55m1 stop
Copa Airlines Logo
3:52 a.m. - 12:40 a.m.
EZE
-
YUL
21h 48m1 stop
C$ 1,072Copa Airlines
Wed, 1 Apr - Tue, 21 Apr
Copa Airlines Logo
8:35 a.m. - 4:30 a.m.
YUL
-
EZE
18h 55m1 stop
Copa Airlines Logo
3:52 a.m. - 12:40 a.m.
EZE
-
YUL
21h 48m1 stop
C$ 1,073Copa Airlines
Wed, 1 Apr - Tue, 21 Apr
Copa Airlines Logo
8:35 a.m. - 2:30 a.m.
YUL
-
EZE
16h 55m1 stop
Copa Airlines Logo
3:48 a.m. - 12:40 a.m.
EZE
-
YUL
21h 52m1 stop
C$ 1,076Copa Airlines
Mon, 20 Apr - Mon, 25 May
Multiple Airlines Logo
6:45 a.m. - 3:40 a.m.
YUL
-
EZE
18h 55m2 stops
Multiple Airlines Logo
7:10 a.m. - 12:20 a.m.
EZE
-
YUL
18h 10m1 stop
C$ 1,078Multiple Airlines
Fri, 6 Mar - Thu, 16 Apr
LATAM Airlines Logo
7:00 a.m. - 5:00 p.m.
YUL
-
AEP
33h 00m2 stops
LATAM Airlines Logo
5:05 p.m. - 5:30 p.m.
AEP
-
YUL
25h 25m2 stops
C$ 1,110LATAM Airlines
Tue, 10 Mar - Wed, 8 Apr
LATAM Airlines Logo
7:00 a.m. - 5:00 p.m.
YUL
-
AEP
32h 00m2 stops
LATAM Airlines Logo
5:05 p.m. - 5:07 p.m.
AEP
-
YUL
25h 02m2 stops
C$ 1,112LATAM Airlines
Wed, 4 Mar - Wed, 15 Apr

United Airlines flights from Montreal to Buenos Aires

Our best United Airlines deals on Montreal to Buenos Aires flight tickets
United Airlines
29 Jan
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
23h 20m
2 stops
EZE7:20 a.m.Buenos Aires Ministro Pistarini
19 Feb
EZE11:55 p.m.Buenos Aires Ministro Pistarini
23h 22m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,065
Find similar
United Airlines
4 Mar
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
21 Apr
EZE9:00 p.m.Buenos Aires Ministro Pistarini
38h 37m
2 stops
YUL10:37 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,066
Find similar
United Airlines
28 Jan
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
22h 05m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
2 Mar
EZE11:55 p.m.Buenos Aires Ministro Pistarini
23h 22m
2 stops
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,080
Find similar

Copa Airlines flights from Montreal to Buenos Aires

Our best Copa Airlines deals on Montreal to Buenos Aires flight tickets
Copa Airlines
1 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
16h 55m
1 stop
EZE2:30 a.m.Buenos Aires Ministro Pistarini
21 Apr
EZE3:52 a.m.Buenos Aires Ministro Pistarini
21h 48m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,072
Find similar
Copa Airlines
1 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
18h 55m
1 stop
EZE4:30 a.m.Buenos Aires Ministro Pistarini
21 Apr
EZE3:52 a.m.Buenos Aires Ministro Pistarini
21h 48m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,073
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 11 December 2025.
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 - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Thu 19/2

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

2 stops23h 22m

C$ 1,065

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

6:00 a.m.-9:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 21/4

9:00 p.m.-10:37 a.m.

2 stops38h 37m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

6:00 a.m.-9:20 a.m.

2 stops25h 20m

Buenos Aires Ministro Pistarini

Thu 26/2

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

2 stops21h 53m

C$ 1,069

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

11:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Thu 16/4

7:10 a.m.-12:20 a.m.

1 stop18h 10m

C$ 1,070

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

8:35 a.m.-2:30 a.m.

1 stop16h 55m

Buenos Aires Ministro Pistarini

Tue 21/4

3:52 a.m.-12:40 a.m.

1 stop21h 48m

C$ 1,072

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

8:35 a.m.-4:30 a.m.

1 stop18h 55m

Buenos Aires Ministro Pistarini

Tue 21/4

3:52 a.m.-12:40 a.m.

1 stop21h 48m

C$ 1,073

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

8:35 a.m.-2:30 a.m.

1 stop16h 55m

Buenos Aires Ministro Pistarini

Mon 25/5

3:48 a.m.-12:40 a.m.

1 stop21h 52m

C$ 1,076

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

6:45 a.m.-3:40 a.m.

2 stops18h 55m

Buenos Aires Ministro Pistarini

Thu 16/4

7:10 a.m.-12:20 a.m.

1 stop18h 10m

C$ 1,078

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

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

2 stops33h 00m

Buenos Aires Jorge Newbery

Wed 8/4

5:05 p.m.-5:30 p.m.

2 stops25h 25m

C$ 1,110

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

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

2 stops32h 00m

Buenos Aires Jorge Newbery

Wed 15/4

5:05 p.m.-5:07 p.m.

2 stops25h 02m

C$ 1,112

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Montreal to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Montreal is in September. Flight prices, which tend to average around C$ 1,095, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in September, then May is your next best option. Flight prices from Montreal to Buenos Aires during May average around C$ 1,109.

What is the cheapest day to depart on your flight to Buenos Aires?

The cheapest day to depart on your flight to Buenos Aires is on a Wednesday when prices can be found for as low as C$ 1,212. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Buenos Aires for around C$ 1,299.

What is the cheapest time of day to depart on your flight to Buenos Aires?

According to our data, the cheapest time of day to fly to Buenos Aires is in the afternoon. momondo users have found flights departing from Montreal to Buenos Aires in the afternoon for as low as C$ 1,217. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of C$ 1,283.

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

You are more likely to see cheaper flights to Buenos Aires from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,233 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Montreal for as low as C$ 930 on momondo.

Can stopping save me money on Montreal to Buenos Aires flights?

You could potentially save up to 21% on your flight if you consider stops on a Montreal to Buenos Aires flight.

How have Montreal to Buenos Aires flight prices changed over time?

As of December 2025, prices for Montreal to Buenos Aires flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Buenos Aires (YMQ to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Buenos Aires

Fastest flight time

14h 05m

Direct flights

Wed

Airports in Buenos Aires

2 airports
The fastest flight from Montreal to Buenos Aires takes 14h 05m
Direct flights go from Montreal to Buenos Aires on Wednesday. There are no airlines offering direct flights.
There are 2 airports in Buenos Aires. From Montreal there are direct flights to Buenos Aires Ministro Pistarini (EZE).
Search flight deals

  • How far is Montreal to Buenos Aires by plane?

    A flight from Montreal to Buenos Aires will travel around 9031.8 km. In terms of flight time, this usually takes a little over 14h 05m.

  • When did momondo last update prices for flights from Montreal to Buenos Aires?

    Prices for flights from Montreal to Buenos Aires are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montreal to Buenos Aires?

  • How old do you have to be to fly from Montreal to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Montreal to Buenos Aires?

Best airlines flying from Montreal to Buenos Aires

Compare and see reviews for airlines that fly from Montreal to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 583Free CancellationRating
7.9
8,007 reviews
Search Delta flights
AviancaPriceFrom C$ 995Free CancellationRating
6.6
2,480 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,044Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,065Free CancellationRating
7.1
10,517 reviews
Search Air Canada flights
ArajetPriceFrom C$ 1,074Free CancellationRating
6.8
38 reviews
Search Arajet flights
United AirlinesPriceFrom C$ 1,083Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Buenos Aires?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Buenos Aires for you.

Can I find flights from Montreal to Buenos Aires with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montreal to Buenos Aires flights to just show those with flexible booking policies.

How can momondo help me find flights from Montreal to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Montreal.

I’m not ready to book a flight from Montreal to Buenos Aires right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport