Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to Buenos Aires from C$ 512

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 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montreal to Buenos Aires

Cheap round-trip flights

Avianca Logo
10:00 p.m. - 3:50 p.m.YUL-EZE
15h 50m1 stop
Avianca Logo
7:35 a.m. - 8:35 p.m.EZE-YUL
15h 00m1 stop
C$ 1,051Avianca
Find Deal
mié., 5 nov. - dom., 16 nov.
Air Canada Logo
6:00 a.m. - 3:10 p.m.YUL-EZE
32h 10m2 stops
Air Canada Logo
4:45 p.m. - 6:10 a.m.EZE-YUL
15h 25m1 stop
C$ 1,052Air Canada
Find Deal
vie., 31 oct. - sáb., 15 nov.
United Airlines Logo
9:15 a.m. - 9:20 a.m.YUL-EZE
22h 05m2 stops
United Airlines Logo
10:05 p.m. - 7:48 p.m.EZE-YUL
23h 43m2 stops
C$ 1,062United Airlines
Find Deal
lun., 17 nov. - jue., 27 nov.
United Airlines Logo
6:00 a.m. - 9:20 a.m.YUL-EZE
25h 20m2 stops
United Airlines Logo
10:05 p.m. - 3:16 p.m.EZE-YUL
19h 11m2 stops
C$ 1,063United Airlines
Find Deal
mar., 4 nov. - jue., 13 nov.
Copa Airlines Logo
7:10 a.m. - 4:10 a.m.YUL-EZE
19h 00m1 stop
Copa Airlines Logo
10:01 a.m. - 11:43 p.m.EZE-YUL
15h 42m1 stop
C$ 1,073Copa Airlines
Find Deal
lun., 10 nov. - lun., 24 nov.
Copa Airlines Logo
7:10 a.m. - 4:22 a.m.YUL-EZE
19h 12m1 stop
Copa Airlines Logo
3:57 a.m. - 11:43 p.m.EZE-YUL
21h 46m1 stop
C$ 1,074Copa Airlines
Find Deal
lun., 10 nov. - dom., 23 nov.
Delta Logo
7:00 a.m. - 9:00 a.m.YUL-EZE
24h 00m1 stop
Delta Logo
10:25 p.m. - 5:21 p.m.EZE-YUL
20h 56m2 stops
C$ 1,102Delta
Find Deal
mar., 11 nov. - dom., 23 nov.
LATAM Airlines Logo
7:00 a.m. - 7:55 a.m.YUL-AEP
22h 55m2 stops
LATAM Airlines Logo
5:15 p.m. - 5:21 p.m.AEP-YUL
26h 06m2 stops
C$ 1,103LATAM Airlines
Find Deal
lun., 10 nov. - lun., 24 nov.
Delta Logo
9:26 a.m. - 9:00 a.m.YUL-EZE
21h 34m2 stops
Delta Logo
8:55 p.m. - 5:21 p.m.EZE-YUL
22h 26m1 stop
C$ 1,103Delta
Find Deal
mar., 11 nov. - mar., 25 nov.
LATAM Airlines Logo
12:45 p.m. - 6:40 p.m.YUL-AEP
27h 55m2 stops
LATAM Airlines Logo
12:40 p.m. - 11:34 a.m.AEP-YUL
24h 54m2 stops
C$ 1,106LATAM Airlines
Find Deal
mié., 12 nov. - mar., 2 dic.

Copa Airlines flights from Montreal to Buenos Aires

Our best Copa Airlines deals on Montreal to Buenos Aires flight tickets
Copa Airlines
10 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
19h 00m
1 stop
EZE4:10 a.m.Buenos Aires Ministro Pistarini
24 Nov
EZE10:01 a.m.Buenos Aires Ministro Pistarini
15h 42m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,073
Find similar
Copa Airlines
10 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
19h 12m
1 stop
EZE4:22 a.m.Buenos Aires Ministro Pistarini
23 Nov
EZE3:57 a.m.Buenos Aires Ministro Pistarini
21h 46m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,074
Find similar
Copa Airlines
10 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
19h 12m
1 stop
EZE4:22 a.m.Buenos Aires Ministro Pistarini
24 Nov
EZE10:01 a.m.Buenos Aires Ministro Pistarini
15h 42m
1 stop
YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,076
Find similar

United Airlines flights from Montreal to Buenos Aires

Our best United Airlines deals on Montreal to Buenos Aires flight tickets
United Airlines
17 Nov
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
22h 05m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
27 Nov
EZE10:05 p.m.Buenos Aires Ministro Pistarini
23h 43m
2 stops
YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,062
Find similar
United Airlines
4 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
13 Nov
EZE10:05 p.m.Buenos Aires Ministro Pistarini
19h 11m
2 stops
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,063
Find similar
United Airlines
13 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
24h 20m
2 stops
EZE9:20 a.m.Buenos Aires Ministro Pistarini
3 Mar
EZE10:05 p.m.Buenos Aires Ministro Pistarini
24h 56m
2 stops
YUL9:01 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,067
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 17 septiembre 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

mié. 5/11

10:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

dom. 16/11

7:35 a.m.-8:35 p.m.

1 stop15h 00m

C$ 1,051

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

vie. 31/10

6:00 a.m.-3:10 p.m.

2 stops32h 10m

Buenos Aires Ministro Pistarini

sáb. 15/11

4:45 p.m.-6:10 a.m.

1 stop15h 25m

C$ 1,052

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

lun. 17/11

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

2 stops22h 05m

Buenos Aires Ministro Pistarini

jue. 27/11

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

2 stops23h 43m

C$ 1,062

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mar. 4/11

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

jue. 13/11

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

2 stops19h 11m

C$ 1,063

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

lun. 10/11

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

1 stop19h 00m

Buenos Aires Ministro Pistarini

lun. 24/11

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

1 stop15h 42m

C$ 1,073

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

lun. 10/11

7:10 a.m.-4:22 a.m.

1 stop19h 12m

Buenos Aires Ministro Pistarini

dom. 23/11

3:57 a.m.-11:43 p.m.

1 stop21h 46m

C$ 1,074

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mar. 11/11

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

1 stop24h 00m

Buenos Aires Ministro Pistarini

dom. 23/11

10:25 p.m.-5:21 p.m.

2 stops20h 56m

C$ 1,102

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

lun. 10/11

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

2 stops22h 55m

Buenos Aires Jorge Newbery

lun. 24/11

5:15 p.m.-5:21 p.m.

2 stops26h 06m

C$ 1,103

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

mar. 11/11

9:26 a.m.-9:00 a.m.

2 stops21h 34m

Buenos Aires Ministro Pistarini

mar. 25/11

8:55 p.m.-5:21 p.m.

1 stop22h 26m

C$ 1,103

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

mié. 12/11

12:45 p.m.-6:40 p.m.

2 stops27h 55m

Buenos Aires Jorge Newbery

mar. 2/12

12:40 p.m.-11:34 a.m.

2 stops24h 54m

C$ 1,106

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 1,102, 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 August is your next best option. Flight prices from Montreal to Buenos Aires during August average around C$ 1,107.

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$ 1,209. 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$ 1,295.

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$ 1,213. 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$ 1,280.

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$ 1,312 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$ 1,077 on momondo.

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

You could potentially save up to 28% 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 September 2025, prices for Montreal to Buenos Aires flights are approximately 38% 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

Direct flights

None
There are no direct flights from Montreal to Buenos Aires. There are no popular flight routes from Montreal to Buenos Aires.
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 50m.

  • 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$ 868Free CancellationRating
7.9
7,961 reviews
Search Delta flights
AviancaPriceFrom C$ 869Free CancellationRating
6.7
2,436 reviews
Search Avianca flights
Copa AirlinesPriceFrom C$ 1,040Free CancellationRating
7.6
1,533 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,087Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
ArajetPriceFrom C$ 1,091Free CancellationRating
7.0
35 reviews
Search Arajet flights
United AirlinesPriceFrom C$ 1,113Free CancellationRating
7.4
8,926 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.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 17/10
vie. 24/10
By creating a price alert you accept our terms of use and privacy policy.

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