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Cheap flights from Niagara Falls, ON to Buenos Aires from C$ 442

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUE
22 Jun — 29 Jun1
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 23 May 2026.

Thu 4/68:30 a.m.
YYZ
-
EZE
1 stop18h 45m
Copa Airlines
Wed 17/69:02 a.m.
EZE
-
YYZ
1 stop17h 11m
Copa Airlines
Deal found 20/5C$ 691
Thu 11/68:30 a.m.
YYZ
-
EZE
1 stop18h 45m
Copa Airlines
Thu 25/65:25 a.m.
EZE
-
YYZ
1 stop20h 48m
Copa Airlines
Deal found 18/5C$ 693
Wed 23/98:30 a.m.
YYZ
-
EZE
1 stop18h 51m
Copa Airlines
Tue 29/93:48 a.m.
EZE
-
YYZ
1 stop22h 25m
Copa Airlines
Deal found 18/5C$ 716
Mon 8/68:30 a.m.
YYZ
-
EZE
1 stop18h 45m
Copa Airlines
Wed 24/62:49 p.m.
EZE
-
YYZ
1 stop35h 24m
Copa Airlines
Deal found 19/5C$ 751
Tue 9/68:30 a.m.
YYZ
-
EZE
1 stop19h 00m
Copa Airlines
Tue 23/62:17 a.m.
EZE
-
YYZ
1 stop36h 11m
Copa Airlines
Deal found 19/5C$ 752
Sun 6/97:43 p.m.
YYZ
-
EZE
2 stops35h 17m
United Airlines
Tue 15/99:00 p.m.
EZE
-
YYZ
1 stop18h 24m
United Airlines
Deal found 18/5C$ 759
Wed 27/52:55 p.m.
YYZ
-
EZE
1 stop15h 10m
American Airlines
Fri 5/68:35 p.m.
EZE
-
YYZ
1 stop27h 47m
American Airlines
Deal found 22/5C$ 763
Tue 17/116:10 a.m.
YYZ
-
EZE
1 stop24h 20m
American Airlines
Tue 24/1110:30 p.m.
EZE
-
YYZ
1 stop19h 48m
American Airlines
Deal found 22/5C$ 766
Mon 1/62:55 p.m.
YYZ
-
EZE
1 stop15h 10m
American Airlines
Sun 7/610:05 p.m.
EZE
-
YYZ
1 stop25h 51m
American Airlines
Deal found 18/5C$ 769
Mon 1/66:46 a.m.
YYZ
-
EZE
1 stop23h 19m
American Airlines
Mon 15/68:35 p.m.
EZE
-
YYZ
2 stops19h 24m
American Airlines
Deal found 22/5C$ 771
Tue 17/111:47 p.m.
YYZ
-
EZE
2 stops16h 53m
American Airlines
Mon 7/1210:50 p.m.
EZE
-
YYZ
1 stop15h 30m
American Airlines
Deal found 22/5C$ 773
Tue 9/67:45 a.m.
YYZ
-
AEP
2 stops33h 40m
LATAM Airlines
Thu 18/612:55 p.m.
AEP
-
YYZ
2 stops29h 44m
LATAM Airlines
Deal found 21/5C$ 1,136

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 23 May 2026.

Round-trip from

C$ 691

One-way from

C$ 442

Popular in

December

Cheapest in

March

Average price

C$ 1,118
Copa Airlines
  • Copa Airlines
  • 4/6-17/6
  • 2 total stops
  • 35h 56m total
  • Niagara Falls to Buenos Aires
Search Deals
Arajet
  • Arajet
  • 3/6
  • 1 total stop
  • 16h 35m total
  • Niagara Falls to Buenos Aires
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 23 May 2026.
Use the filters below to find and compare flights from Niagara Falls to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 4/6

8:30 a.m.-4:15 a.m.

1 stop18h 45m

Buenos Aires Ministro Pistarini

Wed 17/6

9:02 a.m.-1:13 a.m.

1 stop17h 11m

C$ 691

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 11/6

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

1 stop19h 00m

Buenos Aires Ministro Pistarini

Wed 24/6

2:17 a.m.-1:13 a.m.

1 stop23h 56m

C$ 691

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 1/11

8:45 a.m.-4:50 a.m.

1 stop18h 05m

Buenos Aires Ministro Pistarini

Mon 9/11

3:41 a.m.-12:09 a.m.

1 stop22h 28m

C$ 955

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 3/9

7:30 a.m.-8:00 a.m.

2 stops23h 30m

Buenos Aires Ministro Pistarini

Sun 13/9

9:00 p.m.-2:24 p.m.

1 stop18h 24m

C$ 976

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 10/10

8:30 a.m.-4:36 a.m.

1 stop19h 06m

Buenos Aires Ministro Pistarini

Thu 22/10

2:17 a.m.-1:13 a.m.

1 stop23h 56m

C$ 978

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 5/9

7:30 a.m.-8:00 a.m.

2 stops23h 30m

Buenos Aires Ministro Pistarini

Thu 10/9

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

1 stop26h 36m

C$ 995

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 14/10

6:30 a.m.-12:05 a.m.

1 stop16h 35m

Buenos Aires Ministro Pistarini

Fri 23/10

4:00 a.m.-11:40 a.m.

1 stop32h 40m

C$ 1,128

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 18/6

6:34 p.m.-9:45 a.m.

1 stop14h 11m

Buenos Aires Ministro Pistarini

Sun 28/6

8:10 p.m.-4:15 p.m.

2 stops21h 05m

C$ 1,132

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 20/6

8:45 a.m.-8:00 a.m.

2 stops22h 15m

Buenos Aires Ministro Pistarini

Tue 23/6

9:00 p.m.-7:37 p.m.

2 stops23h 37m

C$ 1,132
Quickest round-trip

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 21/10

6:30 a.m.-12:05 a.m.

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 22/10

11:00 a.m.-11:55 p.m.

1 stop13h 55m

C$ 1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/5

Showing 1-10 of 37 resultsSorted by cheapest first
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3
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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

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 23 May 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.

How much does it cost to fly round-trip from Niagara Falls to Buenos Aires?

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 23 May 2026.
Read through reviews of airlines operating flights from Niagara Falls to Buenos Aires, such as Copa Airlines,LATAM Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,575 reviews
Check prices

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
Copa Airlines
7.5
Good
1,575 reviews
Copa Airlines
7.5
Good
1,575 reviews
Check prices

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
LATAM Airlines
7.4
Good
1,918 reviews
Copa Airlines
7.5
Good
1,575 reviews
Check prices

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
United Airlines
7.4
Good
9,752 reviews
Copa Airlines
7.5
Good
1,575 reviews
Check prices

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
Air Canada
7.1
Good
11,077 reviews
Copa Airlines
7.5
Good
1,575 reviews
Check prices

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines
Avianca
6.5
Okay
2,527 reviews
Copa Airlines
7.5
Good
1,575 reviews
Check prices

Boarding

7.8

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2026

LIM - PTY

Fast boarding, polite and helpful staff. Lowest cost across all airlines

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 Copa Airlines, United Airlines, and Delta fly from Niagara Falls to Buenos Aires in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 5h 40m. 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 Air Canada, which is currently one of the cheapest options available, starting at C$ 490. Copa Airlines flights start at C$ 521 while deals on United Airlines start at C$ 564 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.

  • 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.

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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapestC$ 304AverageC$ 1,326FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
Copa AirlinesCheapestC$ 747AverageC$ 1,163FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 783AverageC$ 1,294FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
DeltaCheapestC$ 791AverageC$ 1,253FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AviancaCheapestC$ 963AverageC$ 1,200FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapestC$ 1,051AverageC$ 1,211FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 1,094AverageC$ 1,345FlexibilityNo 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.

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

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