Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires from C$ 431
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUE
8 Dec — 15 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Buenos Aires are usually found in September or August, booked 74 days in advance, depart on a Monday or Saturday and return on a Monday
Cheap flight deals from Pierre Elliott Trudeau Intl to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 November 2025.
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Cheapest flights from Pierre Elliott Trudeau Intl to Buenos Aires
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2025.
Fri 5/127:10 a.m.YUL - EZE
1 stop22h 49mCopa Airlines
Thu 11/122:15 a.m.EZE - YUL
1 stop23h 28mCopa Airlines
Deal found 7/11C$ 1,081
Thu 4/1212:40 p.m.YUL - EZE
2 stops18h 55mMultiple Airlines
Thu 11/1211:20 a.m.EZE - YUL
1 stop14h 55mMultiple Airlines
Deal found 5/11C$ 1,096
Thu 4/129:15 a.m.YUL - EZE
2 stops20h 05mUnited Airlines
Thu 11/1210:05 p.m.EZE - YUL
2 stops19h 11mUnited Airlines
Deal found 5/11C$ 1,099
Sat 13/124:45 p.m.YUL - EZE
2 stops36h 35mUnited Airlines
Sat 27/1211:55 p.m.EZE - YUL
2 stops47h 22mUnited Airlines
Deal found 6/11C$ 1,100
Sat 6/126:00 a.m.YUL - EZE
2 stops25h 20mUnited Airlines
Sat 13/1211:55 p.m.EZE - YUL
2 stops23h 22mUnited Airlines
Deal found 7/11C$ 1,102
Mon 1/127:10 a.m.YUL - EZE
1 stop16h 48mMultiple Airlines
Thu 11/1211:20 a.m.EZE - YUL
1 stop14h 55mMultiple Airlines
Deal found 7/11C$ 1,105
Wed 3/126:55 p.m.YUL - EZE
2 stops31h 55mMultiple Airlines
Thu 11/1211:20 a.m.EZE - YUL
1 stop14h 55mMultiple Airlines
Deal found 7/11C$ 1,109
Fri 28/116:00 a.m.YUL - EZE
2 stops26h 15mDelta
Sat 13/128:55 p.m.EZE - YUL
1 stop16h 40mDelta
Deal found 6/11C$ 1,110
Mon 1/127:00 a.m.YUL - EZE
1 stop24h 00mDelta
Sat 13/128:55 p.m.EZE - YUL
2 stops17h 05mDelta
Deal found 7/11C$ 1,112
Mon 10/117:00 a.m.YUL - EZE
2 stops24h 20mUnited Airlines
Thu 4/1210:05 p.m.EZE - YUL
2 stops19h 11mUnited Airlines
Deal found 6/11C$ 1,120
Thu 4/126:00 a.m.YUL - EZE
2 stops23h 20mUnited Airlines
Tue 9/1210:05 p.m.EZE - YUL
2 stops19h 11mUnited Airlines
Deal found 7/11C$ 1,122
Mon 10/117:00 a.m.YUL - AEP
2 stops33h 40mLATAM Airlines
Wed 3/1211:30 a.m.AEP - YUL
2 stops26h 05mLATAM Airlines
Deal found 7/11C$ 1,148
Best flights from Pierre Elliott Trudeau Intl to Buenos Aires
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 November 2025.
Sat 17/16:00 a.m.YUL - EZE
2 stops23h 20mUnited Airlines
Thu 22/110:05 p.m.EZE - YUL
2 stops25h 12mUnited Airlines
Deal found 6/11C$ 1,100
Thu 4/126:30 p.m.YUL - EZE
1 stop36h 30mDelta
Mon 8/1211:55 p.m.EZE - YUL
1 stop26h 04mDelta
Deal found 7/11C$ 1,112
Mon 23/37:00 a.m.YUL - AEP
2 stops37h 30mLATAM Airlines
Thu 9/45:00 p.m.AEP - YUL
2 stops25h 04mLATAM Airlines
Deal found 7/11C$ 1,119
Fri 20/26:45 a.m.YUL - AEP
2 stops24h 45mMultiple Airlines
Wed 18/35:15 a.m.AEP - YUL
1 stop15h 05mMultiple Airlines
Deal found 7/11C$ 1,241
Sat 6/126:00 a.m.YUL - EZE
2 stops25h 20mUnited Airlines
Tue 9/1210:05 p.m.EZE - YUL
2 stops25h 12mUnited Airlines
Deal found 7/11C$ 1,102
Fri 5/129:35 a.m.YUL - EZE
2 stops19h 45mDelta
Mon 8/128:55 p.m.EZE - YUL
2 stops17h 05mDelta
Deal found 7/11C$ 1,112
Mon 23/312:45 p.m.YUL - AEP
2 stops31h 45mLATAM Airlines
Wed 8/45:00 p.m.AEP - YUL
2 stops25h 04mLATAM Airlines
Deal found 7/11C$ 1,119
Thu 29/16:02 p.m.YUL - EZE
1 stop36h 58mDelta
Mon 9/211:55 p.m.EZE - YUL
1 stop19h 02mDelta
Deal found 7/11C$ 1,112
Wed 25/37:00 a.m.YUL - AEP
2 stops23h 55mLATAM Airlines
Thu 9/45:00 p.m.AEP - YUL
2 stops25h 04mLATAM Airlines
Deal found 7/11C$ 1,119
Fri 23/16:45 a.m.YUL - AEP
2 stops24h 45mMultiple Airlines
Wed 18/25:15 a.m.AEP - YUL
1 stop15h 05mMultiple Airlines
Deal found 7/11C$ 1,262
Thu 4/126:30 p.m.YUL - EZE
1 stop34h 50mDelta
Sun 7/1210:25 p.m.EZE - YUL
2 stops27h 34mDelta
Deal found 7/11C$ 1,112
Mon 6/46:15 p.m.YUL - AEP
2 stops20h 50mLATAM Airlines
Wed 8/45:00 p.m.AEP - YUL
2 stops25h 04mLATAM Airlines
Deal found 5/11C$ 1,162
Mon 1/122:29 p.m.YUL - EZE
2 stops16h 31mDelta
Sun 7/128:55 p.m.EZE - YUL
1 stop29h 04mDelta
Deal found 7/11C$ 1,112
Tue 24/37:00 a.m.YUL - AEP
2 stops35h 40mLATAM Airlines
Tue 7/45:00 p.m.AEP - YUL
2 stops19h 44mLATAM Airlines
Deal found 7/11C$ 1,174
Tue 2/127:00 a.m.YUL - EZE
1 stop24h 00mDelta
Sun 21/1211:55 p.m.EZE - YUL
1 stop26h 04mDelta
Deal found 7/11C$ 1,112
Mon 23/37:00 a.m.YUL - AEP
2 stops37h 30mLATAM Airlines
Tue 7/45:00 p.m.AEP - YUL
2 stops19h 44mLATAM Airlines
Deal found 7/11C$ 1,174
Mon 1/122:29 p.m.YUL - EZE
2 stops16h 31mDelta
Wed 17/1211:55 p.m.EZE - YUL
2 stops20h 59mDelta
Deal found 7/11C$ 1,112
Tue 2/1212:50 p.m.YUL - EZE
2 stops19h 25mDelta
Thu 18/128:55 p.m.EZE - YUL
1 stop29h 04mDelta
Deal found 7/11C$ 1,112
Wed 21/112:50 p.m.YUL - AEP
2 stops27h 50mLATAM Airlines
Sat 31/18:25 p.m.AEP - YUL
2 stops29h 25mLATAM Airlines
Deal found 7/11C$ 1,236
Sun 25/17:00 a.m.YUL - EZE
1 stop22h 20mDelta
Sat 7/28:55 p.m.EZE - YUL
1 stop28h 55mDelta
Deal found 7/11C$ 1,112
Mon 23/37:00 a.m.YUL - AEP
2 stops37h 30mLATAM Airlines
Sat 4/45:00 p.m.AEP - YUL
2 stops19h 44mLATAM Airlines
Deal found 7/11C$ 1,264
Thu 4/126:30 p.m.YUL - EZE
1 stop34h 50mDelta
Thu 18/1210:25 p.m.EZE - YUL
2 stops39h 07mDelta
Deal found 7/11C$ 1,112
Fri 1/56:15 p.m.YUL - AEP
2 stops23h 20mLATAM Airlines
Sun 24/53:40 p.m.AEP - YUL
2 stops21h 07mLATAM Airlines
Deal found 6/11C$ 1,271
Last-minute flights from Pierre Elliott Trudeau Intl to Buenos Aires
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Buenos Aires. Data last updated 8 November 2025 and is based on user searches.
Mon 10/117:00 a.m.YUL - EZE
2 stops24h 20mUnited Airlines
Thu 4/1210:05 p.m.EZE - YUL
2 stops19h 11mUnited Airlines
Deal found 6/11C$ 1,120
Fri 28/1112:45 p.m.YUL - EZE
1 stop16h 35mDelta
Sun 14/1211:55 p.m.EZE - YUL
2 stops20h 59mDelta
Deal found 6/11C$ 1,110
Fri 28/117:00 a.m.YUL - EZE
1 stop22h 20mDelta
Sat 13/128:55 p.m.EZE - YUL
1 stop16h 40mDelta
Deal found 5/11C$ 1,113
Mon 1/127:10 a.m.YUL - EZE
1 stop16h 48mMultiple Airlines
Thu 11/1211:20 a.m.EZE - YUL
1 stop14h 55mMultiple Airlines
Deal found 7/11C$ 1,105
Mon 1/122:29 p.m.YUL - EZE
2 stops16h 31mDelta
Sat 13/128:55 p.m.EZE - YUL
2 stops17h 05mDelta
Deal found 7/11C$ 1,112
Wed 3/126:55 p.m.YUL - EZE
2 stops31h 55mMultiple Airlines
Thu 11/1211:20 a.m.EZE - YUL
1 stop14h 55mMultiple Airlines
Deal found 7/11C$ 1,109
Thu 4/1212:40 p.m.YUL - EZE
2 stops18h 55mMultiple Airlines
Thu 11/1211:20 a.m.EZE - YUL
1 stop14h 55mMultiple Airlines
Deal found 5/11C$ 1,096
Thu 4/129:15 a.m.YUL - EZE
2 stops20h 05mUnited Airlines
Thu 11/1210:05 p.m.EZE - YUL
2 stops19h 11mUnited Airlines
Deal found 5/11C$ 1,099
Thu 4/126:00 a.m.YUL - EZE
2 stops23h 20mUnited Airlines
Tue 9/1210:05 p.m.EZE - YUL
2 stops19h 11mUnited Airlines
Deal found 7/11C$ 1,122
Fri 5/127:10 a.m.YUL - EZE
1 stop19h 00mCopa Airlines
Fri 12/125:16 a.m.EZE - YUL
1 stop20h 27mCopa Airlines
Deal found 7/11C$ 1,081
Sat 6/126:00 a.m.YUL - EZE
2 stops25h 20mUnited Airlines
Tue 9/1210:05 p.m.EZE - YUL
2 stops25h 12mUnited Airlines
Deal found 7/11C$ 1,102
Sat 13/124:45 p.m.YUL - EZE
2 stops36h 35mUnited Airlines
Sat 27/1211:55 p.m.EZE - YUL
2 stops47h 22mUnited Airlines
Deal found 6/11C$ 1,100
One-way flights from Pierre Elliott Trudeau Intl to Buenos Aires
Search for one-way flight options from Pierre Elliott Trudeau Intl to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 8 November 2025.
Wed 25/36:45 a.m.YUL - EZE
1 stop16h 20mArajet
Deal found 7/11C$ 431
Tue 2/127:10 a.m.YUL - AEP
2 stops18h 30mMultiple Airlines
Deal found 5/11C$ 462
Mon 26/16:45 a.m.YUL - EZE
1 stop15h 20mArajet
Deal found 7/11C$ 465
Fri 30/16:45 a.m.YUL - EZE
2 stops36h 35mMultiple Airlines
Deal found 7/11C$ 466
Tue 2/127:10 a.m.YUL - EZE
2 stops38h 00mMultiple Airlines
Deal found 5/11C$ 472
Mon 8/126:45 a.m.YUL - AEP
2 stops39h 10mMultiple Airlines
Deal found 7/11C$ 495
Tue 27/112:50 p.m.YUL - EZE
3 stops31h 10mMultiple Airlines
Deal found 6/11C$ 504
Fri 30/16:45 a.m.YUL - AEP
3 stops51h 00mMultiple Airlines
Deal found 7/11C$ 509
Wed 7/17:35 a.m.YUL - EZE
1 stop18h 35mCopa Airlines
Deal found 6/11C$ 513
Wed 28/112:50 p.m.YUL - AEP
3 stops47h 43mMultiple Airlines
Deal found 7/11C$ 516
Mon 2/27:00 a.m.YUL - AEP
3 stops36h 25mMultiple Airlines
Deal found 7/11C$ 517
Wed 28/112:50 p.m.YUL - EZE
3 stops32h 50mMultiple Airlines
Deal found 7/11C$ 517
Cheapflights Fare Finder
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 8 November 2025.
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
Pierre Elliott Trudeau Intl
Fly to
Buenos Aires
Route
Depart
Return
Price
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Sat 17/1
6:00 a.m.-7:20 a.m.
2 stops23h 20m
Buenos Aires Ministro Pistarini
Thu 22/1
10:05 p.m.-9:17 p.m.
2 stops25h 12m
C$ 1,100
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Sat 6/12
6:00 a.m.-9:20 a.m.
2 stops25h 20m
Buenos Aires Ministro Pistarini
Tue 9/12
10:05 p.m.-9:17 p.m.
2 stops25h 12m
C$ 1,102
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Thu 4/12
6:30 p.m.-9:00 a.m.
1 stop36h 30m
Buenos Aires Ministro Pistarini
Mon 8/12
11:55 p.m.-11:59 p.m.
1 stop26h 04m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Fri 5/12
9:35 a.m.-7:20 a.m.
2 stops19h 45m
Buenos Aires Ministro Pistarini
Mon 8/12
8:55 p.m.-12:00 p.m.
2 stops17h 05m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Thu 29/1
6:02 p.m.-9:00 a.m.
1 stop36h 58m
Buenos Aires Ministro Pistarini
Mon 9/2
11:55 p.m.-4:57 p.m.
1 stop19h 02m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Thu 4/12
6:30 p.m.-7:20 a.m.
1 stop34h 50m
Buenos Aires Ministro Pistarini
Sun 7/12
10:25 p.m.-11:59 p.m.
2 stops27h 34m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Mon 1/12
2:29 p.m.-9:00 a.m.
2 stops16h 31m
Buenos Aires Ministro Pistarini
Sun 7/12
8:55 p.m.-11:59 p.m.
1 stop29h 04m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Tue 2/12
7:00 a.m.-9:00 a.m.
1 stop24h 00m
Buenos Aires Ministro Pistarini
Sun 21/12
11:55 p.m.-11:59 p.m.
1 stop26h 04m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Mon 1/12
2:29 p.m.-9:00 a.m.
2 stops16h 31m
Buenos Aires Ministro Pistarini
Wed 17/12
11:55 p.m.-6:54 p.m.
2 stops20h 59m
C$ 1,112
MontrealBuenos Aires
YUL - EZE
YULEZE
Montreal Pierre Elliott Trudeau Intl
Tue 2/12
12:50 p.m.-10:15 a.m.
2 stops19h 25m
Buenos Aires Ministro Pistarini
Thu 18/12
8:55 p.m.-11:59 p.m.
1 stop29h 04m
C$ 1,112
Flights are sorted by cheapest round-trip flights first.
Deals found on 7/11
Showing 1-10 of 43 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires
How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Buenos Aires. Price data was last updated on 7 November 2025.
To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Currently, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 693). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in March is currently the most expensive (average of C$ 1,112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YUL to BUE?
Find hourly flight availability from Pierre Elliott Trudeau Intl to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 November 2025.
It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in the morning. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Buenos Aires. Price data was last updated on 16 December 2024.
Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same layover each way.
Sao Paulo (GRU) – chosen by Cheapflights users on 43% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires on Cheapflights.
What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Punta Cana (PUJ) is the most affordable 1-stop option, with an average round-trip price of C$ 1,134.
What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Punta Cana (PUJ) have the shortest average one-way travel time for 1-stop routes: 14h 45m.
Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Punta Cana (PUJ) offer the fastest connection on this route, with an average layover time of 1h 52m.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 8 November 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires, such as Delta,Copa Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.
Related info for your journey
Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in 23h 20m. Fly via United Airlines, Delta, or LATAM Airlines to get the fastest option. There are 9051 km between Montreal Pierre Elliott Trudeau Intl Airport and Buenos Aires. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires round-trip?
Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires round-trip from C$ 889. Other airlines that can offer you cheap pricing are Avianca, from C$ 1,017, and Copa Airlines, from C$ 1,067. These flights start at 31% lower than the current average price 3 months from now.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Buenos Aires.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Buenos Aires?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires?
Currently, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires (average of C$ 693). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Buenos Aires in March is currently the most expensive (average of C$ 1,112). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 November 2025.
Search flights from Pierre Elliott Trudeau Intl to Buenos Aires by cabin class
Find flights from Pierre Elliott Trudeau Intl to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Browse through other flights departing from Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on 8 November 2025.
Top 6 airlines flying from Pierre Elliott Trudeau Intl to Buenos Aires
Discover the top 6 airlines that operate flights from Pierre Elliott Trudeau Intl to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 8 November 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Buenos Aires?
When you search for this flight from Pierre Elliott Trudeau Intl to Buenos Aires, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Buenos Aires?
Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Buenos Aires by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Buenos Aires with no change fees?
Need flexible booking options for your flight to Buenos Aires from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Buenos Aires become cheaper?
Yes, Cheapflights offers price alerts on Pierre Elliott Trudeau Intl to Buenos Aires flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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