Which airlines fly to Buenos Aires?

Air Canada, United Airlines and Avianca are the top three most popular airlines that fly to Buenos Aires from Region of Ontario according to our data. Air Canada is the first choice among our users, with 30% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 8 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

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 16h 21m on average. Another popular route from Region of Ontario to Buenos Aires is flying from Hamilton to Buenos Aires Ministro Pistarini Airport, which will take roughly 19h 35m. 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, Avianca, and Copa Airlines are the most popular carriers operating from Ontario to Buenos Aires

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

As of October 2025, there are 3 flights per week flying from Region of Ontario to Buenos Aires. The most common day of the week flights depart is Thu, with 33% of flights taking off on this day.

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 October 2025, there are 8 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$ 429 Cheap Flights from Ontario to Buenos Aires in 2025/26

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Find the cheapest flights from Ontario to Buenos Aires

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Cheap round-trip flights

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6:00 a.m. - 9:20 a.m.YUL-EZE

25h 20m2 stops

9:05 p.m. - 8:32 p.m.EZE-YUL

24h 27m2 stops

C$ 1,070United Airlines

Find Deal

Wed, 14 Jan - Tue, 10 Mar

7:10 a.m. - 1:00 a.m.YUL-EZE

15h 50m1 stop

10:01 a.m. - 11:43 p.m.EZE-YUL

15h 42m1 stop

C$ 1,071Copa Airlines

Find Deal

Tue, 11 Nov - Tue, 25 Nov

11:30 a.m. - 8:25 a.m.YYZ-EZE

18h 55m2 stops

10:25 p.m. - 4:19 p.m.EZE-YYZ

19h 54m1 stop

C$ 1,077American Airlines

Find Deal

Wed, 14 Jan - Mon, 26 Jan

6:14 a.m. - 8:25 a.m.YYZ-EZE

24h 11m1 stop

11:59 p.m. - 4:35 p.m.EZE-YYZ

18h 36m2 stops

C$ 1,078American Airlines

Find Deal

Wed, 14 Jan - Wed, 28 Jan

7:55 a.m. - 5:50 a.m.YYZ-EZE

19h 55m1 stop

1:40 a.m. - 10:35 p.m.EZE-YYZ

22h 55m1 stop

C$ 1,082Avianca

Find Deal

Wed, 26 Nov - Tue, 9 Dec

12:45 p.m. - 11:30 p.m.YUL-EZE

32h 45m2 stops

11:20 a.m. - 12:15 a.m.EZE-YUL

14h 55m1 stop

C$ 1,086Multiple Airlines

Find Deal

Wed, 12 Nov - Tue, 9 Dec

12:45 p.m. - 6:43 p.m.YUL-EZE

27h 58m2 stops

11:20 a.m. - 12:15 a.m.EZE-YUL

14h 55m1 stop

C$ 1,091Multiple Airlines

Find Deal

Thu, 13 Nov - Tue, 9 Dec

11:55 p.m. - 1:35 a.m.YYZ-EZE

23h 40m2 stops

2:40 a.m. - 10:35 p.m.EZE-YYZ

21h 55m2 stops

C$ 1,093Avianca

Find Deal

Tue, 18 Nov - Sun, 23 Nov

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

15h 20m1 stop

2:45 a.m. - 12:15 a.m.EZE-YUL

23h 30m1 stop

C$ 1,102Arajet

Find Deal

Mon, 26 Jan - Mon, 9 Feb

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

15h 20m1 stop

2:45 a.m. - 12:15 a.m.EZE-YUL

23h 30m1 stop

C$ 1,155Arajet

Find Deal

Mon, 2 Feb - Mon, 2 Mar

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

11 Nov

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

15h 50m

1 stop

EZE1:00 a.m.Buenos Aires Ministro Pistarini

24 Nov

EZE3:57 a.m.Buenos Aires Ministro Pistarini

21h 46m

1 stop

YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,070

Find similar

Copa Airlines

11 Nov

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

15h 50m

1 stop

EZE1:00 a.m.Buenos Aires Ministro Pistarini

25 Nov

EZE10:01 a.m.Buenos Aires Ministro Pistarini

15h 42m

1 stop

YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,071

Find similar

Copa Airlines

28 Nov

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

19h 12m

1 stop

EZE4:22 a.m.Buenos Aires Ministro Pistarini

4 Dec

EZE2:15 a.m.Buenos Aires Ministro Pistarini

23h 28m

1 stop

YUL11:43 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,079

Find similar

United Airlines flights from Region of Ontario to Buenos Aires

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

United Airlines

14 Jan

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

25h 20m

2 stops

EZE9:20 a.m.Buenos Aires Ministro Pistarini

10 Mar

EZE9:05 p.m.Buenos Aires Ministro Pistarini

24h 27m

2 stops

YUL8:32 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,070

Find similar

United Airlines

6 Jan

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

25h 20m

2 stops

EZE9:20 a.m.Buenos Aires Ministro Pistarini

28 Jan

EZE11:55 p.m.Buenos Aires Ministro Pistarini

40h 05m

2 stops

YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,074

Find similar

United Airlines

11 Dec

YOW6:00 a.m.Ottawa

25h 20m

2 stops

EZE9:20 a.m.Buenos Aires Ministro Pistarini

24 Dec

EZE11:55 p.m.Buenos Aires Ministro Pistarini

39h 37m

2 stops

YOW1:32 p.m.Ottawa

C$ 1,078

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 10/3

9:05 p.m.-8:32 p.m.

2 stops24h 27m

C$ 1,070

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

7:10 a.m.-1:00 a.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Tue 25/11

10:01 a.m.-11:43 p.m.

1 stop15h 42m

C$ 1,071

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 14/1

11:30 a.m.-8:25 a.m.

2 stops18h 55m

Buenos Aires Ministro Pistarini

Mon 26/1

10:25 p.m.-4:19 p.m.

1 stop19h 54m

C$ 1,077

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 14/1

6:14 a.m.-8:25 a.m.

1 stop24h 11m

Buenos Aires Ministro Pistarini

Wed 28/1

11:59 p.m.-4:35 p.m.

2 stops18h 36m

C$ 1,078

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 26/11

7:55 a.m.-5:50 a.m.

1 stop19h 55m

Buenos Aires Ministro Pistarini

Tue 9/12

1:40 a.m.-10:35 p.m.

1 stop22h 55m

C$ 1,082

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 12/11

12:45 p.m.-11:30 p.m.

2 stops32h 45m

Buenos Aires Ministro Pistarini

Tue 9/12

11:20 a.m.-12:15 a.m.

1 stop14h 55m

C$ 1,086

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

12:45 p.m.-6:43 p.m.

2 stops27h 58m

Buenos Aires Ministro Pistarini

Tue 9/12

11:20 a.m.-12:15 a.m.

1 stop14h 55m

C$ 1,091

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 18/11

11:55 p.m.-1:35 a.m.

2 stops23h 40m

Buenos Aires Ministro Pistarini

Sun 23/11

2:40 a.m.-10:35 p.m.

2 stops21h 55m

C$ 1,093

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

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

1 stop15h 20m

Buenos Aires Ministro Pistarini

Mon 9/2

2:45 a.m.-12:15 a.m.

1 stop23h 30m

C$ 1,102

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

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

1 stop15h 20m

Buenos Aires Ministro Pistarini

Mon 2/3

2:45 a.m.-12:15 a.m.

1 stop23h 30m

C$ 1,155

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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$ 1,096, 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$ 1,113.

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$ 1,276. 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 afternoon are often more expensive with an average ticket price of C$ 1,284.

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$ 1,233 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$ 991 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 13% 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 35m
Direct flights	Wed, Fri and Sat
Airports in Buenos Aires	1 airport

The fastest flight from Region of Ontario to Buenos Aires takes 14h 35m

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

There is 1 airport near Buenos Aires: 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 October 2025, there are 8 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 787-8 Dreamliner, representing 50.00% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 25.00% and Boeing 787-9 Dreamliner at 25.00%.

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$ 239	Free Cancellation	Rating 7.5 1,872 reviews	Search LATAM Airlines flights
Delta	PriceFrom C$ 697	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 745	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 820	Free Cancellation	Rating 7.1 36 reviews	Search Arajet flights
Avianca	PriceFrom C$ 988	Free Cancellation	Rating 6.6 2,467 reviews	Search Avianca flights
American Airlines	PriceFrom C$ 999	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 1,063	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,100	Free Cancellation	Rating 7.1 10,377 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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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

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Flights from Toronto Region of Waterloo Intl to Halifax Intl

Cheap flights from Ontario to Buenos Aires from C$ 429

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 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Filter for what you want

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Find the cheapest flights from Ontario to Buenos Aires

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Copa Airlines flights from Region of Ontario to Buenos Aires

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

United Airlines flights from Region of Ontario to Buenos Aires

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

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

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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

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 13% 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, Avianca, and Copa 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 October 2025, there are 3 flights per week flying from Region of Ontario to Buenos Aires. The most common day of the week flights depart is Thu, with 33% 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