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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 456

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 23/3. 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.
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$ 1,094Avianca
Wed, 1 Apr - Wed, 15 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$ 1,097Avianca
Wed, 1 Apr - Thu, 7 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$ 1,106Avianca
Sun, 22 Mar - Wed, 25 Mar
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$ 1,115Avianca
Sun, 22 Mar - Wed, 25 Mar
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
Wed, 18 Mar - Wed, 25 Mar
LATAM Airlines Logo
12:42 p.m. - 4:00 p.m.
YUL
-
AEP
26h 18m
2 stops
LATAM Airlines Logo
11:30 a.m. - 5:31 p.m.
AEP
-
YUL
31h 01m
2 stops
C$ 1,123LATAM Airlines
Mon, 16 Mar - Wed, 25 Mar
LATAM Airlines Logo
7:00 a.m. - 7:55 a.m.
YUL
-
AEP
23h 55m
2 stops
LATAM Airlines Logo
5:15 p.m. - 5:31 p.m.
AEP
-
YUL
25h 16m
2 stops
C$ 1,124LATAM Airlines
Tue, 10 Mar - Wed, 18 Mar
Multiple Airlines Logo
11:00 p.m. - 9:20 p.m.
YUL
-
AEP
21h 20m
2 stops
Multiple Airlines Logo
5:05 p.m. - 3:10 p.m.
AEP
-
YUL
23h 05m
2 stops
C$ 1,128Multiple Airlines
Tue, 14 Apr - Tue, 28 Apr
Multiple Airlines Logo
11:05 a.m. - 9:20 p.m.
YUL
-
AEP
33h 15m
2 stops
Multiple Airlines Logo
5:15 a.m. - 7:20 p.m.
AEP
-
YUL
15h 05m
1 stop
C$ 1,146Multiple Airlines
Mon, 9 Mar - Wed, 25 Mar
Multiple Airlines Logo
11:00 p.m. - 6:40 p.m.
YUL
-
AEP
18h 40m
2 stops
Multiple Airlines Logo
5:15 a.m. - 7:20 p.m.
AEP
-
YUL
15h 05m
1 stop
C$ 1,149Multiple Airlines
Sun, 15 Mar - Wed, 25 Mar

LATAM Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
16 Mar
YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl
26h 18m
2 stops
AEP4:00 p.m.Buenos Aires Jorge Newbery
25 Mar
AEP11:30 a.m.Buenos Aires Jorge Newbery
31h 01m
2 stops
YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,123
LATAM Airlines
10 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
23h 55m
2 stops
AEP7:55 a.m.Buenos Aires Jorge Newbery
18 Mar
AEP5:15 p.m.Buenos Aires Jorge Newbery
25h 16m
2 stops
YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,124
LATAM Airlines
24 Mar
YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl
28h 58m
2 stops
AEP6:40 p.m.Buenos Aires Jorge Newbery
7 Apr
AEP8:05 p.m.Buenos Aires Jorge Newbery
22h 26m
2 stops
YUL5:31 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,175

Avianca flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
3 May
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
13 May
AEP7:00 a.m.Buenos Aires Jorge Newbery
15h 35m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,093
Avianca
1 Apr
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
15 Apr
AEP7:00 a.m.Buenos Aires Jorge Newbery
15h 35m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,094
Avianca
1 Apr
YUL11:00 p.m.Montreal Pierre Elliott Trudeau Intl
29h 40m
1 stop
AEP5:40 a.m.Buenos Aires Jorge Newbery
7 May
AEP7:00 a.m.Buenos Aires Jorge Newbery
15h 35m
1 stop
YUL9:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,097

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport 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 4 February 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 15/4

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

1 stop15h 35m

C$ 1,094

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Thu 7/5

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

1 stop15h 35m

C$ 1,097

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 25/3

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

1 stop15h 35m

C$ 1,106

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 25/3

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

1 stop15h 35m

C$ 1,115

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

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

1 stop29h 40m

Buenos Aires Jorge Newbery

Wed 25/3

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

1 stop15h 35m

C$ 1,121

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

12:42 p.m.-4:00 p.m.

2 stops26h 18m

Buenos Aires Jorge Newbery

Wed 25/3

11:30 a.m.-5:31 p.m.

2 stops31h 01m

C$ 1,123

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

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

2 stops23h 55m

Buenos Aires Jorge Newbery

Wed 18/3

5:15 p.m.-5:31 p.m.

2 stops25h 16m

C$ 1,124

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

11:00 p.m.-9:20 p.m.

2 stops21h 20m

Buenos Aires Jorge Newbery

Tue 28/4

5:05 p.m.-3:10 p.m.

2 stops23h 05m

C$ 1,128

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

11:05 a.m.-9:20 p.m.

2 stops33h 15m

Buenos Aires Jorge Newbery

Wed 25/3

5:15 a.m.-7:20 p.m.

1 stop15h 05m

C$ 1,146

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

11:00 p.m.-6:40 p.m.

2 stops18h 40m

Buenos Aires Jorge Newbery

Wed 25/3

5:15 a.m.-7:20 p.m.

1 stop15h 05m

C$ 1,149

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport

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 Jorge Newbery Airport 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 Jorge Newbery Airport (YUL to AEP) 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 Jorge Newbery Airport

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport takes 15h 45m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport.
Search flight deals

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

    The distance between Montreal Pierre Elliott Trudeau Intl and Buenos Aires Jorge Newbery is about 9024.3 km. 15h 45m is a normal flight duration for this route.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Jorge Newbery Airport.

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

    The travel and health documents you'll need for your trip to Buenos Aires Jorge Newbery Airport 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 Jorge Newbery Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport?

    Search flight deals from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires Jorge Newbery Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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?

momondo helps you find the best flight between Montreal and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Buenos Aires from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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