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Cheap flights from Montreal to Buenos Aires from C$ 393

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 6/4. 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.
Multiple Airlines Logo
8:35 a.m. - 12:50 a.m.
YUL
-
EZE
15h 15m
1 stop
Multiple Airlines Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,069Multiple Airlines
Mon, 20 Apr - Tue, 28 Apr
Arajet Logo
6:45 a.m. - 12:05 a.m.
YUL
-
EZE
16h 20m
1 stop
Arajet Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,071Arajet
Wed, 15 Apr - Thu, 7 May
Multiple Airlines Logo
11:00 p.m. - 4:00 a.m.
YUL
-
EZE
28h 00m
2 stops
Multiple Airlines Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,072Multiple Airlines
Thu, 16 Apr - Tue, 28 Apr
Arajet Logo
6:45 a.m. - 12:05 a.m.
YUL
-
EZE
16h 20m
1 stop
Arajet Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,076Arajet
Wed, 1 Apr - Tue, 14 Apr
Multiple Airlines Logo
8:35 a.m. - 12:50 a.m.
YUL
-
EZE
15h 15m
1 stop
Multiple Airlines Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,079Multiple Airlines
Tue, 14 Apr - Tue, 28 Apr
Arajet Logo
6:45 a.m. - 12:05 a.m.
YUL
-
EZE
16h 20m
1 stop
Arajet Logo
8:40 a.m. - 12:20 a.m.
EZE
-
YUL
16h 40m
1 stop
C$ 1,080Arajet
Mon, 18 May - Sun, 24 May
Avianca Logo
11:00 p.m. - 5:40 a.m.
YUL
-
AEP
29h 40m
1 stop
Avianca Logo
7:00 a.m. - 9:35 p.m.
AEP
-
YUL
15h 35m
1 stop
C$ 1,110Avianca
Wed, 29 Apr - Wed, 13 May
Avianca Logo
11:00 p.m. - 5:40 a.m.
YUL
-
AEP
29h 40m
1 stop
Avianca Logo
7:00 a.m. - 9:35 p.m.
AEP
-
YUL
15h 35m
1 stop
C$ 1,112Avianca
Wed, 6 May - Wed, 20 May
Avianca Logo
11:00 p.m. - 5:40 a.m.
YUL
-
AEP
29h 40m
1 stop
Avianca Logo
7:00 a.m. - 9:35 p.m.
AEP
-
YUL
15h 35m
1 stop
C$ 1,117Avianca
Mon, 6 Apr - Tue, 21 Apr
Avianca Logo
11:00 p.m. - 5:40 a.m.
YUL
-
AEP
29h 40m
1 stop
Avianca Logo
7:00 a.m. - 9:35 p.m.
AEP
-
YUL
15h 35m
1 stop
C$ 1,121Avianca
Sun, 12 Apr - Tue, 28 Apr

Arajet flights from Montreal to Buenos Aires

Our best Arajet deals on Montreal to Buenos Aires flight tickets
Arajet
15 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
7 May
EZE11:00 a.m.Buenos Aires Ministro Pistarini
14h 20m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,071
Arajet
1 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
14 Apr
EZE11:00 a.m.Buenos Aires Ministro Pistarini
14h 20m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,076
Arajet
18 May
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
24 May
EZE8:40 a.m.Buenos Aires Ministro Pistarini
16h 40m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,080

American Airlines flights from Montreal to Buenos Aires

Our best American Airlines deals on Montreal to Buenos Aires flight tickets
American Airlines
16 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
25h 59m
1 stop
EZE9:59 a.m.Buenos Aires Ministro Pistarini
25 Mar
EZE8:15 p.m.Buenos Aires Ministro Pistarini
18h 30m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,090
American Airlines
16 Mar
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
19h 04m
2 stops
EZE10:29 a.m.Buenos Aires Ministro Pistarini
25 Mar
EZE8:15 p.m.Buenos Aires Ministro Pistarini
18h 30m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,097
American Airlines
22 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
23h 30m
2 stops
EZE8:00 a.m.Buenos Aires Ministro Pistarini
25 Mar
EZE8:15 p.m.Buenos Aires Ministro Pistarini
18h 30m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,112

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 5 March 2026.
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

Cheapest round-trip
Quickest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

8:35 a.m.-12:50 a.m.

1 stop15h 15m

Buenos Aires Ministro Pistarini

Tue 28/4

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,069

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

6:45 a.m.-12:05 a.m.

1 stop16h 20m

Buenos Aires Ministro Pistarini

Thu 7/5

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,071

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

11:00 p.m.-4:00 a.m.

2 stops28h 00m

Buenos Aires Ministro Pistarini

Tue 28/4

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,072

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

6:45 a.m.-12:05 a.m.

1 stop16h 20m

Buenos Aires Ministro Pistarini

Tue 14/4

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,076

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

8:35 a.m.-12:50 a.m.

1 stop15h 15m

Buenos Aires Ministro Pistarini

Tue 28/4

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,079

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:45 a.m.-12:05 a.m.

1 stop16h 20m

Buenos Aires Ministro Pistarini

Sun 24/5

8:40 a.m.-12:20 a.m.

1 stop16h 40m

C$ 1,080

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 13/5

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,110

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 20/5

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,112

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Tue 21/4

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,117

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

11:00 p.m.-5:40 a.m.

1 stop29h 40m

Buenos Aires Jorge Newbery

Tue 28/4

7:00 a.m.-9:35 p.m.

1 stop15h 35m

C$ 1,121

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 typical price of a round-trip flight between Montreal and Buenos Aires?

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$ 1,085, 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$ 1,100.

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$ 1,199 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$ 921 on momondo.

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

You could potentially save up to 48% 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 March 2026, prices for Montreal to Buenos Aires flights are approximately 2% 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

16h 16m

Direct flights

None
The fastest flight from Montreal to Buenos Aires takes 16h 16m
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 16h 16m.

  • 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
ArajetPriceFrom C$ 506Free CancellationRating
6.4
46 reviews
Search Arajet flights
AviancaPriceFrom C$ 512Free CancellationRating
6.5
2,496 reviews
Search Avianca flights
DeltaPriceFrom C$ 572Free CancellationRating
7.9
8,260 reviews
Search Delta flights
Copa AirlinesPriceFrom C$ 1,009Free CancellationRating
7.5
1,561 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 1,047Free CancellationRating
7.1
10,780 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,072Free CancellationRating
7.4
9,403 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