Which airlines fly to Buenos Aires?

United Airlines, Air Canada and Avianca are the top three most popular airlines that fly to Buenos Aires from Region of Ontario according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

How many flights depart from Region of Ontario to Buenos Aires on average per week?

As of December 2025, there are 5 flights per week flying from Region of Ontario to Buenos Aires. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.

How long does it take to fly to Buenos Aires?

Flight times from Region of Ontario to Buenos Aires vary, but if you’re flying out of Toronto and flying into Buenos Aires Ministro Pistarini Airport (one of the most popular routes), then the duration is 15h 47m on average. Another popular route from Region of Ontario to Buenos Aires is flying from Ottawa to Buenos Aires Ministro Pistarini Airport, which will take roughly 18h 50m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Ontario to Buenos Aires?

Arajet, Copa Airlines, and LATAM Airlines are the most popular carriers operating from Ontario to Buenos Aires

When did momondo last update prices for flights from Ontario to Buenos Aires?

Prices for flights from Ontario to Buenos Aires were last updated today.

How many operators does momondo search for flights from Ontario to Buenos Aires?

As of December 2025, there are 7 operators available to choose from for flights from Ontario to Buenos Aires.

How old do you have to be to fly from Ontario to Buenos Aires?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 490 Cheap Flights from Ontario to Buenos Aires in 2025/26

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Find the cheapest flights from Ontario to Buenos Aires

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:05 p.m. - 10:15 a.m.

YYZ

EZE

20h 10m1 stop

12:15 p.m. - 11:07 a.m.

EZE

YYZ

24h 52m2 stops

C$ 1,012LATAM Airlines

Wed, 18 Feb - Wed, 25 Feb

6:35 a.m. - 5:50 a.m.

YYZ

EZE

21h 15m2 stops

7:30 a.m. - 10:35 p.m.

EZE

YYZ

17h 05m1 stop

C$ 1,038Avianca

Mon, 5 Jan - Fri, 13 Feb

6:35 a.m. - 5:50 a.m.

YYZ

EZE

21h 15m2 stops

7:30 a.m. - 10:35 p.m.

EZE

YYZ

17h 05m1 stop

C$ 1,042Avianca

Tue, 20 Jan - Wed, 18 Feb

8:30 a.m. - 4:35 a.m.

YYZ

EZE

18h 05m1 stop

3:47 a.m. - 12:09 a.m.

EZE

YYZ

22h 22m1 stop

C$ 1,044Copa Airlines

Sun, 25 Jan - Mon, 9 Feb

10:00 p.m. - 3:50 p.m.

YUL

EZE

15h 50m1 stop

11:00 a.m. - 12:20 a.m.

EZE

YUL

14h 20m1 stop

C$ 1,053Multiple Airlines

Fri, 9 Jan - Thu, 9 Apr

7:35 a.m. - 4:10 a.m.

YUL

EZE

18h 35m1 stop

9:16 a.m. - 11:48 p.m.

EZE

YUL

16h 32m1 stop

C$ 1,059Copa Airlines

Wed, 21 Jan - Mon, 23 Feb

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

YOW

EZE

21h 35m2 stops

10:05 p.m. - 2:27 p.m.

EZE

YOW

18h 22m2 stops

C$ 1,062United Airlines

Tue, 3 Feb - Tue, 10 Feb

9:00 p.m. - 8:20 a.m.

YYZ

EZE

34h 20m2 stops

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

EZE

YYZ

23h 40m2 stops

C$ 1,063United Airlines

Mon, 16 Mar - Mon, 23 Mar

6:45 a.m. - 12:05 a.m.

YUL

EZE

16h 20m1 stop

11:00 a.m. - 12:20 a.m.

EZE

YUL

14h 20m1 stop

C$ 1,080Arajet

Wed, 8 Apr - Thu, 7 May

12:55 a.m. - 9:20 p.m.

YYZ

AEP

19h 25m2 stops

3:55 p.m. - 7:30 p.m.

AEP

YYZ

28h 35m1 stop

C$ 1,124Multiple Airlines

Sun, 15 Mar - Wed, 25 Mar

Avianca flights from Region of Ontario to Buenos Aires

Our best Avianca deals on Region of Ontario to Buenos Aires flight tickets

Avianca

5 Jan

YYZ6:35 a.m.Toronto Pearson Intl

21h 15m

2 stops

EZE5:50 a.m.Buenos Aires Ministro Pistarini

13 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

17h 05m

1 stop

YYZ10:35 p.m.Toronto Pearson Intl

C$ 1,038

Find similar

Avianca

20 Jan

YYZ6:35 a.m.Toronto Pearson Intl

21h 15m

2 stops

EZE5:50 a.m.Buenos Aires Ministro Pistarini

18 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

17h 05m

1 stop

YYZ10:35 p.m.Toronto Pearson Intl

C$ 1,042

Find similar

Avianca

8 Feb

YYZ4:00 p.m.Toronto Pearson Intl

21h 50m

2 stops

EZE3:50 p.m.Buenos Aires Ministro Pistarini

23 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

17h 05m

1 stop

YYZ10:35 p.m.Toronto Pearson Intl

C$ 1,045

Find similar

Copa Airlines flights from Region of Ontario to Buenos Aires

Our best Copa Airlines deals on Region of Ontario to Buenos Aires flight tickets

Copa Airlines

25 Jan

YYZ8:30 a.m.Toronto Pearson Intl

18h 05m

1 stop

EZE4:35 a.m.Buenos Aires Ministro Pistarini

9 Feb

EZE3:47 a.m.Buenos Aires Ministro Pistarini

22h 22m

1 stop

YYZ12:09 a.m.Toronto Pearson Intl

C$ 1,044

Find similar

Copa Airlines

21 Jan

YUL7:35 a.m.Montreal Pierre Elliott Trudeau Intl

22h 22m

1 stop

EZE7:57 a.m.Buenos Aires Ministro Pistarini

23 Feb

EZE9:16 a.m.Buenos Aires Ministro Pistarini

16h 32m

1 stop

YUL11:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,059

Find similar

Copa Airlines

16 Dec

YYZ8:30 a.m.Toronto Pearson Intl

17h 40m

1 stop

EZE4:10 a.m.Buenos Aires Ministro Pistarini

25 Dec

EZE5:16 a.m.Buenos Aires Ministro Pistarini

20h 53m

1 stop

YYZ12:09 a.m.Toronto Pearson Intl

C$ 1,064

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 18/2

12:05 p.m.-10:15 a.m.

1 stop20h 10m

Buenos Aires Ministro Pistarini

Wed 25/2

12:15 p.m.-11:07 a.m.

2 stops24h 52m

C$ 1,012

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 5/1

6:35 a.m.-5:50 a.m.

2 stops21h 15m

Buenos Aires Ministro Pistarini

Fri 13/2

7:30 a.m.-10:35 p.m.

1 stop17h 05m

C$ 1,038

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 20/1

6:35 a.m.-5:50 a.m.

2 stops21h 15m

Buenos Aires Ministro Pistarini

Wed 18/2

7:30 a.m.-10:35 p.m.

1 stop17h 05m

C$ 1,042

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 25/1

8:30 a.m.-4:35 a.m.

1 stop18h 05m

Buenos Aires Ministro Pistarini

Mon 9/2

3:47 a.m.-12:09 a.m.

1 stop22h 22m

C$ 1,044

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

10:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Thu 9/4

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,053

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

7:35 a.m.-4:10 a.m.

1 stop18h 35m

Buenos Aires Ministro Pistarini

Mon 23/2

9:16 a.m.-11:48 p.m.

1 stop16h 32m

C$ 1,059

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 3/2

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

2 stops21h 35m

Buenos Aires Ministro Pistarini

Tue 10/2

10:05 p.m.-2:27 p.m.

2 stops18h 22m

C$ 1,062

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 16/3

9:00 p.m.-8:20 a.m.

2 stops34h 20m

Buenos Aires Ministro Pistarini

Mon 23/3

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

2 stops23h 40m

C$ 1,063

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

6:45 a.m.-12:05 a.m.

1 stop16h 20m

Buenos Aires Ministro Pistarini

Thu 7/5

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,080

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Sun 15/3

12:55 a.m.-9:20 p.m.

2 stops19h 25m

Buenos Aires Jorge Newbery

Wed 25/3

3:55 p.m.-7:30 p.m.

1 stop28h 35m

C$ 1,124

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How to get the cheapest flight ticket from Region of Ontario to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Region of Ontario is in September. Flight prices, which tend to average around C$ 1,075, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in September, then June is your next best option. Flight prices from Region of Ontario to Buenos Aires during June average around C$ 1,097.

What is the cheapest time of day to depart on your flight to Buenos Aires?

According to our data, the cheapest time of day to fly to Buenos Aires is at noon. momondo users have found flights departing from Region of Ontario to Buenos Aires at noon for as low as C$ 1,259. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of C$ 1,471.

What is the cheapest Ontario to Buenos Aires flight route?

Fly from Toronto Pearson Intl to Buenos Aires Ministro Pistarini for the best Ontario - Buenos Aires flight prices

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,206 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Region of Ontario for as low as C$ 932 on momondo.

What cabin class options are available on Ontario to Buenos Aires flights?

There is only 1 cabin class available to choose from on Ontario to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Buenos Aires flights?

You could potentially save up to 9% on your flight if you consider stops on a Region of Ontario to Buenos Aires flight.

Cheap Region of Ontario to Buenos Aires flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Buenos Aires

Fastest flight time	14h 30m
Direct flights	Mon, Wed, Fri, Sat and Sun
Airports in Buenos Aires	2 airports

The fastest flight from Region of Ontario to Buenos Aires takes 14h 30m

Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 2 airports in Buenos Aires. From Region of Ontario there are direct flights to Buenos Aires Ministro Pistarini (EZE).

Search flight deals

When did momondo last update prices for flights from Ontario to Buenos Aires?
Prices for flights from Ontario to Buenos Aires were last updated today.
How many operators does momondo search for flights from Ontario to Buenos Aires?
As of December 2025, there are 7 operators available to choose from for flights from Ontario to Buenos Aires.
How old do you have to be to fly from Ontario to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Region of Ontario to Buenos Aires?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to Buenos Aires is Boeing 787-9 Dreamliner, representing 40.00% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 40.00% and Boeing 737 MAX 8 at 20.00%.

Best airlines flying from Region of Ontario to Buenos Aires

Compare and see reviews for airlines that fly from Region of Ontario to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom C$ 304	Free Cancellation	Rating 7.5 1,891 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom C$ 735	Free Cancellation	Rating 7.6 1,557 reviews	Search Copa Airlines flights
Delta	PriceFrom C$ 789	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Arajet	PriceFrom C$ 853	Free Cancellation	Rating 6.8 38 reviews	Search Arajet flights
Avianca	PriceFrom C$ 961	Free Cancellation	Rating 6.6 2,485 reviews	Search Avianca flights
United Airlines	PriceFrom C$ 1,025	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 1,038	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 1,083	Free Cancellation	Rating 7.1 10,525 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Buenos Aires?

Finding the right flight to Buenos Aires from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

Can I find flights from Ontario to Buenos Aires with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buenos Aires from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Buenos Aires?

Once all potential Ontario to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Ontario to Buenos Aires from C$ 490

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Buenos Aires departing on 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

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Avianca flights from Region of Ontario to Buenos Aires

Our best Avianca deals on Region of Ontario to Buenos Aires flight tickets

Copa Airlines flights from Region of Ontario to Buenos Aires

Our best Copa Airlines deals on Region of Ontario to Buenos Aires flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Region of Ontario to Buenos Aires

What is the cheapest month to fly to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

What is the cheapest Ontario to Buenos Aires flight route?

Fly from Toronto Pearson Intl to Buenos Aires Ministro Pistarini for the best Ontario - Buenos Aires flight prices

How far in advance should I book a flight to Buenos Aires?

What cabin class options are available on Ontario to Buenos Aires flights?

There is only 1 cabin class available to choose from on Ontario to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Buenos Aires flights?

You could potentially save up to 9% on your flight if you consider stops on a Region of Ontario to Buenos Aires flight.

What is the cheapest airline that flies from Ontario to Buenos Aires?

Arajet, Copa Airlines, and LATAM Airlines are the most popular carriers operating from Ontario to Buenos Aires

Which airlines fly to Buenos Aires?

How many flights depart from Region of Ontario to Buenos Aires on average per week?

As of December 2025, there are 5 flights per week flying from Region of Ontario to Buenos Aires. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.

How long does it take to fly to Buenos Aires?

Cheap Region of Ontario to Buenos Aires flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Buenos Aires

Fastest flight time

Direct flights

Airports in Buenos Aires

When did momondo last update prices for flights from Ontario to Buenos Aires?

How many operators does momondo search for flights from Ontario to Buenos Aires?

How old do you have to be to fly from Ontario to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

What is the most popular plane model from Region of Ontario to Buenos Aires?

Best airlines flying from Region of Ontario to Buenos Aires

Compare and see reviews for airlines that fly from Region of Ontario to Buenos Aires with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Buenos Aires?

Can I find flights from Ontario to Buenos Aires with flexible booking policies on momondo?

How can momondo help me find flights from Ontario to Buenos Aires?

I’m not ready to book a flight from Ontario to Buenos Aires right now. Can momondo alert me if prices change?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires