Cheap flights from Niagara Falls, ON to Buenos Aires from C$ 537

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUE
16 Jan — 23 Jan1
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 17 December 2025.

Thu 18/128:30 a.m.YYZ - EZE
1 stop17h 46mCopa Airlines
Thu 25/129:03 a.m.EZE - YYZ
1 stop17h 06mCopa Airlines
Deal found 15/12C$ 1,094
Thu 18/128:30 a.m.YYZ - EZE
1 stop17h 46mCopa Airlines
Sat 27/122:15 a.m.EZE - YYZ
1 stop23h 54mCopa Airlines
Deal found 15/12C$ 1,113
Tue 16/1212:45 p.m.YYZ - EZE
2 stops18h 35mUnited Airlines
Tue 23/1211:55 p.m.EZE - YYZ
1 stop16h 25mUnited Airlines
Deal found 15/12C$ 1,134
Mon 15/129:00 p.m.YYZ - EZE
2 stops34h 20mUnited Airlines
Sun 28/1210:05 p.m.EZE - YYZ
2 stops22h 52mUnited Airlines
Deal found 15/12C$ 1,160
Thu 18/1212:13 p.m.YYZ - EZE
2 stops18h 47mDelta
Thu 25/128:55 p.m.EZE - YYZ
2 stops27h 55mDelta
Deal found 17/12C$ 1,183
Wed 17/128:30 a.m.YYZ - EZE
1 stop15h 28mCopa Airlines
Wed 24/129:03 a.m.EZE - YYZ
1 stop17h 06mCopa Airlines
Deal found 16/12C$ 1,186
Tue 16/1212:23 p.m.YYZ - EZE
1 stop16h 57mLATAM Airlines
Tue 23/128:55 p.m.EZE - YYZ
1 stop29h 04mLATAM Airlines
Deal found 15/12C$ 1,188
Thu 18/126:10 a.m.YYZ - EZE
1 stop24h 50mLATAM Airlines
Wed 24/128:55 p.m.EZE - YYZ
1 stop16h 13mLATAM Airlines
Deal found 17/12C$ 1,218
Mon 15/123:45 p.m.YYZ - EZE
1 stop15h 35mUnited Airlines
Mon 29/1211:55 p.m.EZE - YYZ
2 stops23h 26mUnited Airlines
Deal found 15/12C$ 1,238
Fri 19/126:10 a.m.YYZ - EZE
1 stop24h 50mLATAM Airlines
Sat 3/18:05 a.m.EZE - YYZ
2 stops17h 54mLATAM Airlines
Deal found 16/12C$ 1,240
Mon 29/127:45 a.m.YYZ - EZE
1 stop24h 30mDelta
Wed 21/110:25 p.m.EZE - YYZ
1 stop20h 58mDelta
Deal found 16/12C$ 1,244
Wed 17/128:00 a.m.YYZ - AEP
3 stops38h 30mMultiple Airlines
Wed 24/129:50 a.m.AEP - YYZ
1 stop21h 50mMultiple Airlines
Deal found 15/12C$ 1,464

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 17 December 2025.

Round-trip from

C$ 976

One-way from

C$ 537

Popular in

December

Cheapest in

September

Average price

C$ 1,538
Arajet
  • Arajet
  • 8/4-24/4
  • 2 total stops
  • 31h 10m total
  • Niagara Falls to Buenos Aires
16/1
  • 16/1
  • 2 total stops
  • 58h 41m total
  • Niagara Falls to Buenos Aires
Highest demand for flights based on searches. 6% potential increase in price (C$ 111 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 43 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 17 December 2025.
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

Tue 17/2

6:10 a.m.-9:20 a.m.

1 stop25h 10m

Buenos Aires Ministro Pistarini

Tue 3/3

10:05 p.m.-2:01 p.m.

2 stops17h 56m

C$ 1,058

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 10/3

9:00 p.m.-6:20 a.m.

2 stops32h 20m

Buenos Aires Ministro Pistarini

Tue 24/3

9:05 p.m.-7:45 p.m.

2 stops23h 40m

C$ 1,064

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 18/3

8:30 a.m.-10:58 p.m.

1 stop13h 28m

Buenos Aires Ministro Pistarini

Wed 25/3

9:16 a.m.-1:15 a.m.

1 stop16h 59m

C$ 1,073

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 10/2

9:00 a.m.-7:20 a.m.

2 stops20h 20m

Buenos Aires Ministro Pistarini

Tue 17/2

11:55 p.m.-2:20 p.m.

1 stop16h 25m

C$ 1,075

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Fri 23/1

9:00 a.m.-7:20 a.m.

2 stops20h 20m

Buenos Aires Ministro Pistarini

Thu 5/2

11:55 p.m.-5:49 p.m.

2 stops19h 54m

C$ 1,079

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 21/2

6:45 a.m.-9:20 a.m.

2 stops24h 35m

Buenos Aires Ministro Pistarini

Wed 4/3

10:05 p.m.-2:20 p.m.

1 stop18h 15m

C$ 1,079

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 22/1

3:45 p.m.-9:20 a.m.

1 stop15h 35m

Buenos Aires Ministro Pistarini

Wed 11/2

11:55 p.m.-2:20 p.m.

1 stop16h 25m

C$ 1,079

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 12/1

12:45 p.m.-9:20 a.m.

2 stops18h 35m

Buenos Aires Ministro Pistarini

Mon 16/2

11:55 p.m.-4:02 p.m.

2 stops18h 07m

C$ 1,079

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 20/1

12:45 p.m.-9:20 a.m.

2 stops18h 35m

Buenos Aires Ministro Pistarini

Wed 18/2

11:55 p.m.-7:45 p.m.

2 stops21h 50m

C$ 1,079

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Fri 27/2

3:45 p.m.-9:20 a.m.

1 stop15h 35m

Buenos Aires Ministro Pistarini

Thu 12/3

9:05 p.m.-10:37 p.m.

1 stop26h 32m

C$ 1,079

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 43 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 12 December 2025.

To ensure you get the cheapest price possible for a flight from Niagara Falls to Buenos Aires, you should look to book at least 12 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$ 656). Flying from Niagara Falls to Buenos Aires in December is currently the most expensive (average of C$ 1,064). 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 17 December 2025.

When flying from Niagara Falls to Buenos Aires, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the evening.

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 17 December 2025.
Read through reviews of airlines operating flights from Niagara Falls 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.

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Tony,Apr 2024

MCO - ATL

Terrible flight crew that skipped our row for service multiple times.

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, Copa Airlines, and LATAM Airlines fly from Niagara Falls to Buenos Aires in about 13h 28m. The time it takes to get you to your destination can typically vary by up to 11h 42m. 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 Avianca, which is currently one of the cheapest options available, starting at C$ 501. Copa Airlines flights start at C$ 520 while deals on United Airlines start at C$ 521 one-way.

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

  • 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$ 656). Flying from Niagara Falls to Buenos Aires in December is currently the most expensive (average of C$ 1,064). 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 17 December 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapestC$ 303AverageC$ 1,260FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
DeltaCheapestC$ 687AverageC$ 1,104FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Copa AirlinesCheapestC$ 745AverageC$ 1,141FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 781AverageC$ 1,110FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
AviancaCheapestC$ 1,019AverageC$ 1,257FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapestC$ 1,049AverageC$ 1,208FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,082AverageC$ 1,329FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Niagara Falls to Buenos Aires?

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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.

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