Find Cheap Flights from Niagara Falls, ON to Buenos Aires | Cheapflights

Sign in

English

Search for a country or language

Find flight deals from Niagara Falls to Buenos Aires

Popular in	December
Cheapest in	May
Average price	C$ 1,252

Highest demand for flights based on searches. 5% potential increase in price (C$ 104 potential increase over avg. RT price).

Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).

Average for round-trip flights in October 2026

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?

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

Read through reviews of airlines operating flights from Niagara Falls to Buenos Aires, such as Copa Airlines,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

7.6

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

United Airlines

7.3

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

7.1

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

American Airlines

7.0

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

6.5

Okay

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

BOS - PTY

Airline was delayed 1 hour, that made my layover flight be missed, gave wrong information about gates, they closed the gates in my face, rebooked me, and had business class, and rebooked me not business class

Related info for your journey

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$ 1,045, our data indicates the cheapest price to be C$ 636. The most popular route (Toronto Pearson Intl - Buenos Aires Ministro Pistarini), is priced around C$ 952.
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

Alternative routes

Buenos Aires flight routes

Complete your trip

Direct flights to Argentina

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Niagara Falls to Buenos Aires

Pearson Intl to Ministro Pistarini flights

Pierre Elliott Trudeau Intl to Ministro Pistarini flights

Pearson Intl to Jorge Newbery flights

Pierre Elliott Trudeau Intl to Jorge Newbery flights

Pearson Intl to Mendoza flights

Pierre Elliott Trudeau Intl to Mendoza flights

Ottawa to Ministro Pistarini flights

Pearson Intl to Cordoba flights

Pierre Elliott Trudeau Intl to Cordoba flights

Ottawa to Jorge Newbery flights

Pearson Intl to San Carlos de Bariloche flights

Pearson Intl to Ushuaia flights

Pierre Elliott Trudeau Intl to El Calafate flights

Pierre Elliott Trudeau Intl to San Carlos de Bariloche flights

Pierre Elliott Trudeau Intl to Ushuaia flights

Pierre Elliott Trudeau Intl to Salta flights

Pierre Elliott Trudeau Intl to Rosario flights

Pearson Intl to El Calafate flights

Pearson Intl to Puerto Iguazú flights

Top 8 airlines flying from Niagara Falls to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 634	AverageC$ 1,271	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Copa Airlines	CheapestC$ 681	AverageC$ 1,280	FlexibilityNo cancel fee	On-time70%	Search Copa Airlines flights
Arajet	CheapestC$ 764	AverageC$ 1,312	FlexibilityNo cancel fee	On-timeN/A	Search Arajet flights
Avianca	CheapestC$ 832	AverageC$ 1,295	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
American Airlines	CheapestC$ 877	AverageC$ 1,138	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 1,092	AverageC$ 1,229	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 1,140	AverageC$ 1,591	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
LATAM Airlines	CheapestC$ 1,207	AverageC$ 1,440	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.