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Cheap flights from Niagara Falls, ON to Buenos Aires from C$ 308

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUE
27 Mar — 3 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Niagara Falls to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Niagara Falls to Buenos Aires
Explore the most affordable flight options available from Niagara Falls to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 February 2026.

Tue 7/48:55 a.m.
YYZ
-
EZE
2 stops21h 10m
Multiple Airlines
Tue 28/42:25 a.m.
EZE
-
YYZ
2 stops29h 55m
Multiple Airlines
Deal found 24/2C$ 1,000
Tue 7/45:15 p.m.
YYZ
-
EZE
2 stops21h 25m
Avianca
Thu 30/44:50 p.m.
EZE
-
YYZ
1 stop31h 40m
Avianca
Deal found 24/2C$ 1,003
Tue 7/48:55 a.m.
YYZ
-
AEP
2 stops25h 05m
Multiple Airlines
Wed 29/45:15 a.m.
AEP
-
YYZ
2 stops27h 05m
Multiple Airlines
Deal found 24/2C$ 1,010
Thu 2/48:55 a.m.
YYZ
-
EZE
1 stop29h 45m
Avianca
Fri 10/44:50 p.m.
EZE
-
YYZ
1 stop15h 30m
Avianca
Deal found 24/2C$ 1,010
Sun 5/412:55 a.m.
YYZ
-
EZE
1 stop13h 45m
Avianca
Tue 21/44:50 p.m.
EZE
-
YYZ
1 stop31h 40m
Avianca
Deal found 23/2C$ 1,013
Wed 27/51:00 p.m.
YYZ
-
EZE
2 stops18h 00m
United Airlines
Sun 31/59:00 p.m.
EZE
-
YYZ
2 stops39h 49m
United Airlines
Deal found 24/2C$ 1,020
Mon 6/410:15 a.m.
YYZ
-
EZE
2 stops20h 45m
United Airlines
Tue 14/49:00 p.m.
EZE
-
YYZ
2 stops21h 56m
United Airlines
Deal found 24/2C$ 1,021
Thu 2/48:55 a.m.
YYZ
-
EZE
1 stop19h 45m
Avianca
Tue 14/41:35 a.m.
EZE
-
YYZ
1 stop30h 45m
Avianca
Deal found 23/2C$ 1,028
Thu 9/48:30 a.m.
YYZ
-
EZE
2 stops27h 45m
Multiple Airlines
Thu 16/411:00 a.m.
EZE
-
YYZ
3 stops30h 20m
Multiple Airlines
Deal found 23/2C$ 1,029
Thu 9/48:30 a.m.
YYZ
-
AEP
2 stops25h 50m
Multiple Airlines
Thu 16/49:30 p.m.
AEP
-
YYZ
2 stops27h 00m
Multiple Airlines
Deal found 23/2C$ 1,031
Sat 2/51:00 p.m.
YYZ
-
EZE
2 stops18h 00m
United Airlines
Tue 5/59:00 p.m.
EZE
-
YYZ
2 stops21h 56m
United Airlines
Deal found 23/2C$ 1,031
Thu 2/48:55 a.m.
YYZ
-
AEP
1 stop19h 45m
Avianca
Mon 20/47:00 a.m.
AEP
-
YYZ
1 stop17h 30m
Avianca
Deal found 23/2C$ 1,032

Find flight deals from Niagara Falls to Buenos Aires

Keep the following information in mind while searching for Niagara Falls to Buenos Aires flight deals. Data was last updated 25 February 2026.

Round-trip from

C$ 1,010

One-way from

C$ 308

Popular in

December

Cheapest in

September

Average price

C$ 1,311
Avianca
  • Avianca
  • 2/4-10/4
  • 2 total stops
  • 45h 15m total
  • Niagara Falls to Buenos Aires
Search Deals
12/5
  • 12/5
  • 3 total stops
  • 36h 03m total
  • Niagara Falls to Buenos Aires
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls 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 25 February 2026.
Use the filters below to find and compare flights from Niagara Falls to Buenos Aires that are best for you.

Fly from

Niagara Falls

Fly to

Buenos Aires

Route

Depart

Return

Price

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 4/5

10:15 a.m.-8:00 a.m.

2 stops20h 45m

Buenos Aires Ministro Pistarini

Wed 6/5

9:00 p.m.-5:56 p.m.

2 stops21h 56m

C$ 1,040

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 16/4

11:00 a.m.-8:00 a.m.

2 stops20h 00m

Buenos Aires Ministro Pistarini

Tue 28/4

9:00 p.m.-7:02 p.m.

2 stops23h 02m

C$ 1,088

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 22/4

1:00 p.m.-8:00 a.m.

2 stops18h 00m

Buenos Aires Ministro Pistarini

Wed 29/4

9:00 p.m.-5:56 p.m.

2 stops21h 56m

C$ 1,088

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 11/8

1:30 p.m.-9:45 a.m.

1 stop19h 15m

Buenos Aires Ministro Pistarini

Wed 19/8

10:40 p.m.-5:23 p.m.

2 stops19h 43m

C$ 1,109

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 14/4

6:27 p.m.-9:45 a.m.

1 stop14h 18m

Buenos Aires Ministro Pistarini

Sat 2/5

1:20 p.m.-12:19 p.m.

2 stops23h 59m

C$ 1,113

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 6/4

7:43 p.m.-8:00 a.m.

2 stops35h 17m

Buenos Aires Ministro Pistarini

Sun 12/4

9:00 p.m.-9:54 a.m.

2 stops37h 54m

C$ 1,118

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 9/3

3:45 p.m.-8:20 a.m.

1 stop15h 35m

Buenos Aires Ministro Pistarini

Sun 19/4

9:00 p.m.-10:36 p.m.

1 stop26h 36m

C$ 1,122

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 23/3

4:10 p.m.-8:20 a.m.

2 stops39h 10m

Buenos Aires Ministro Pistarini

Tue 14/4

9:00 p.m.-10:36 p.m.

1 stop26h 36m

C$ 1,125

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 19/7

8:30 a.m.-4:20 a.m.

1 stop18h 50m

Buenos Aires Ministro Pistarini

Thu 30/7

3:48 a.m.-1:13 a.m.

1 stop22h 25m

C$ 1,139

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 18/3

3:45 p.m.-8:20 a.m.

1 stop15h 35m

Buenos Aires Ministro Pistarini

Mon 13/4

9:00 p.m.-5:56 p.m.

2 stops21h 56m

C$ 1,139

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/2

Showing 1-10 of 36 results
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Best time to book a flight from Niagara Falls to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Niagara Falls 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 Niagara Falls to Buenos Aires

How far ahead should I book a flight from Niagara Falls to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Buenos Aires. Price data was last updated on 20 February 2026.

To ensure you get the cheapest price possible for a flight from Niagara Falls to Buenos Aires, you should look to book at least 56 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 Niagara Falls to Buenos Aires?

Currently, November is the cheapest month in which you can book a flight from Niagara Falls to Buenos Aires (average of C$ 654). Flying from Niagara Falls to Buenos Aires in December is currently the most expensive (average of C$ 1,065). 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 NI4 to BUE?

Find hourly flight availability from Niagara Falls 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 25 February 2026.

When flying from Niagara Falls to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 25 February 2026.
Read through reviews of airlines operating flights from Niagara Falls to Buenos Aires, such as LATAM Airlines,Copa Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Boarding

7.5

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,918 reviews
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Boarding

7.5

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Copa Airlines
7.5
Good
1,557 reviews
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Boarding

7.5

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
United Airlines
7.4
Good
9,343 reviews
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Boarding

7.5

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Air Canada
7.1
Good
10,746 reviews
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Boarding

7.5

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Avianca
6.6
Okay
2,497 reviews
LATAM Airlines
7.5
Good
1,918 reviews
Check prices

Boarding

7.5

Comfort

7.3

Crew

8.0

Overall

7.5

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls 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 Niagara Falls to Buenos Aires?

    Airlines like United Airlines, Delta, and Avianca fly from Niagara Falls to Buenos Aires in about 19h 15m. The time it takes to get you to your destination can typically vary by up to 1h 30m. There are 8980 km between Niagara Falls and Buenos Aires. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Niagara Falls to Buenos Aires one-way?

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at C$ 505. Air Canada flights start at C$ 508 while deals on United Airlines start at C$ 538 one-way.

  • What are the most popular routes from Niagara Falls to Buenos Aires?

    When deciding which route to take from Niagara Falls to Buenos Aires consider Toronto Pearson Intl - Buenos Aires Ministro Pistarini, Toronto Pearson Intl - Buenos Aires Jorge Newbery or Toronto Pearson Intl - El Palomar as they are the most popular.

  • What are the cheapest flights from Niagara Falls to Buenos Aires?

    Looking for the cheapest flight from Niagara Falls to Buenos Aires? While on average our users pay C$ 1,557, our data indicates the cheapest price to be C$ 1,145. The most popular route (Toronto Pearson Intl - Buenos Aires Ministro Pistarini), is priced around C$ 866.

  • Can I find deals for flights from Niagara Falls to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Niagara Falls to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to Buenos Aires.

  • Can I find deals for business class flights from Niagara Falls to Buenos Aires?

    Yes. Cheapflights offers flight deals from Niagara Falls 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 Niagara Falls to Buenos Aires?

    Currently, November is the cheapest month in which you can book a flight from Niagara Falls to Buenos Aires (average of C$ 654). Flying from Niagara Falls to Buenos Aires in December is currently the most expensive (average of C$ 1,065). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Niagara Falls to Buenos Aires

Discover the top 7 airlines that operate flights from Niagara Falls 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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapestC$ 302AverageC$ 1,270FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
Copa AirlinesCheapestC$ 731AverageC$ 1,108FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 778AverageC$ 1,074FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
DeltaCheapestC$ 785AverageC$ 1,244FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AviancaCheapestC$ 893AverageC$ 1,219FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapestC$ 1,045AverageC$ 1,203FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,072AverageC$ 1,318FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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 Niagara Falls to Buenos Aires?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Buenos Aires from Niagara Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Buenos Aires?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Niagara Falls to Buenos Aires.

Can Cheapflights find flights from Niagara Falls to Buenos Aires with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Niagara Falls to Buenos Aires, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Niagara Falls to Buenos Aires become cheaper?

Of course! You can now track prices for flights from Niagara Falls to Buenos Aires and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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