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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 450

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 Pierre Elliott Trudeau Intl Airport to Buenos Aires departing on 15/4. 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 Pierre Elliott Trudeau Intl Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
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$ 1,009Arajet
Wed, 13 May - Thu, 28 May
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$ 1,065Arajet
Wed, 29 Apr - Thu, 14 May
Multiple Airlines Logo
6:45 a.m. - 4:00 a.m.
YUL
-
EZE
20h 15m
2 stops
Multiple Airlines Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,066Multiple Airlines
Fri, 4 Sep - Thu, 24 Sep
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$ 1,081Arajet
Mon, 4 May - Sun, 31 May
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$ 1,083Arajet
Wed, 13 May - Tue, 26 May
Avianca Logo
11:00 p.m. - 3:40 p.m.
YUL
-
EZE
15h 40m
1 stop
Avianca Logo
7:10 a.m. - 9:35 p.m.
EZE
-
YUL
15h 25m
1 stop
C$ 1,088Avianca
Mon, 6 Apr - Wed, 22 Apr
Arajet Logo
7:00 a.m. - 12:05 a.m.
YUL
-
EZE
16h 05m
1 stop
Arajet Logo
11:00 a.m. - 12:20 a.m.
EZE
-
YUL
14h 20m
1 stop
C$ 1,101Arajet
Mon, 7 Sep - Thu, 10 Sep
Avianca Logo
11:00 p.m. - 3:40 p.m.
YUL
-
EZE
15h 40m
1 stop
Avianca Logo
7:10 a.m. - 9:35 p.m.
EZE
-
YUL
15h 25m
1 stop
C$ 1,114Avianca
Tue, 5 May - Thu, 14 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$ 1,168Avianca
Sun, 3 May - 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$ 1,172Avianca
Mon, 6 Apr - Wed, 22 Apr

Arajet flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Arajet deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets
Arajet
13 May
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
28 May
EZE11:00 a.m.Buenos Aires Ministro Pistarini
14h 20m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,009
Arajet
29 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
14 May
EZE11:00 a.m.Buenos Aires Ministro Pistarini
14h 20m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,065
Arajet
4 May
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
16h 20m
1 stop
EZE12:05 a.m.Buenos Aires Ministro Pistarini
31 May
EZE8:40 a.m.Buenos Aires Ministro Pistarini
16h 40m
1 stop
YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,081

Copa Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Our best Copa Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight tickets
Copa Airlines
19 May
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
16h 55m
1 stop
EZE2:30 a.m.Buenos Aires Ministro Pistarini
28 May
EZE5:25 a.m.Buenos Aires Ministro Pistarini
20h 15m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,120
Copa Airlines
30 Apr
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
15h 15m
1 stop
EZE12:50 a.m.Buenos Aires Ministro Pistarini
13 May
EZE9:02 a.m.Buenos Aires Ministro Pistarini
16h 38m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,121
Copa Airlines
4 May
YUL8:35 a.m.Montreal Pierre Elliott Trudeau Intl
15h 15m
1 stop
EZE12:50 a.m.Buenos Aires Ministro Pistarini
11 May
EZE2:49 p.m.Buenos Aires Ministro Pistarini
34h 51m
1 stop
YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,135

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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 21 March 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

1 stop16h 20m

Buenos Aires Ministro Pistarini

Thu 28/5

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

1 stop14h 20m

C$ 1,009

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

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

1 stop16h 20m

Buenos Aires Ministro Pistarini

Thu 14/5

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

1 stop14h 20m

C$ 1,065

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

6:45 a.m.-4:00 a.m.

2 stops20h 15m

Buenos Aires Ministro Pistarini

Thu 24/9

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

1 stop14h 20m

C$ 1,066

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

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

1 stop16h 20m

Buenos Aires Ministro Pistarini

Sun 31/5

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

1 stop16h 40m

C$ 1,081

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

1 stop16h 20m

Buenos Aires Ministro Pistarini

Tue 26/5

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

1 stop14h 20m

C$ 1,083

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

11:00 p.m.-3:40 p.m.

1 stop15h 40m

Buenos Aires Ministro Pistarini

Wed 22/4

7:10 a.m.-9:35 p.m.

1 stop15h 25m

C$ 1,088
Quickest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

7:00 a.m.-12:05 a.m.

1 stop16h 05m

Buenos Aires Ministro Pistarini

Thu 10/9

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

1 stop14h 20m

C$ 1,101

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

11:00 p.m.-3:40 p.m.

1 stop15h 40m

Buenos Aires Ministro Pistarini

Thu 14/5

7:10 a.m.-9:35 p.m.

1 stop15h 25m

C$ 1,114

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

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$ 1,168

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

Wed 22/4

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

1 stop15h 35m

C$ 1,172

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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport is in September. Flight prices, which tend to average around C$ 1,079, 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 Pierre Elliott Trudeau Intl Airport to Buenos Aires during August average around C$ 1,088.

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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,204 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 Pierre Elliott Trudeau Intl Airport for as low as C$ 922 on momondo.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights?

You could potentially save up to 46% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight.

How have Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight prices changed over time?

As of March 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

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

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (YUL to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires takes 15h 15m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to Buenos Aires by plane?

    There are 9030.9 km between Montreal Pierre Elliott Trudeau Intl and Buenos Aires. By plane, this route typically takes 15h 15m.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires were last updated today.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires.

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

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
ArajetPriceFrom C$ 508Free CancellationRating
6.5
47 reviews
Search Arajet flights
AviancaPriceFrom C$ 515Free CancellationRating
6.5
2,503 reviews
Search Avianca flights
DeltaPriceFrom C$ 574Free CancellationRating
7.9
8,308 reviews
Search Delta flights
Copa AirlinesPriceFrom C$ 785Free CancellationRating
7.5
1,572 reviews
Search Copa Airlines flights
Air CanadaPriceFrom C$ 918Free CancellationRating
7.1
10,818 reviews
Search Air Canada flights
LATAM AirlinesPriceFrom C$ 975Free CancellationRating
7.4
1,915 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom C$ 1,077Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from Montreal.

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?

Yes. momondo can track prices for Montreal to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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