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

Copa Airlines, Avianca, and United Airlines are the most popular carriers operating from Ontario to Buenos Aires

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 34m 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 20h 50m. Keep in mind that layovers or delays could extend your travel time.

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.

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 33% 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.

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$ 445 Cheap Flights from Ontario to Buenos Aires in 2025/26

1 adult

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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.

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

YYZ

EZE

16h 35m1 stop

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

EZE

YYZ

13h 55m1 stop

C$ 906Arajet

Wed, 8 Apr - Tue, 21 Apr

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

YYZ

EZE

16h 35m1 stop

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

EZE

YYZ

13h 55m1 stop

C$ 947Arajet

Wed, 8 Apr - Thu, 16 Apr

12:07 p.m. - 10:15 a.m.

YYZ

EZE

20h 08m1 stop

7:43 p.m. - 11:08 a.m.

EZE

YYZ

17h 25m2 stops

C$ 1,011LATAM Airlines

Mon, 12 Jan - Sun, 1 Feb

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

YYZ

EZE

13h 28m1 stop

3:47 a.m. - 1:15 a.m.

EZE

YYZ

22h 28m1 stop

C$ 1,024Copa Airlines

Mon, 16 Mar - Sun, 22 Mar

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

YYZ

EZE

13h 28m1 stop

5:16 a.m. - 1:15 a.m.

EZE

YYZ

20h 59m1 stop

C$ 1,045Copa Airlines

Mon, 16 Mar - Thu, 19 Mar

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

YYZ

EZE

21h 15m2 stops

1:40 a.m. - 11:35 p.m.

EZE

YYZ

22h 55m1 stop

C$ 1,055Avianca

Sat, 10 Jan - Tue, 17 Mar

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

YYZ

EZE

32h 20m2 stops

10:55 p.m. - 2:20 p.m.

EZE

YYZ

16h 25m1 stop

C$ 1,061United Airlines

Thu, 12 Mar - Mon, 23 Mar

8:45 a.m. - 9:20 a.m.

YYZ

EZE

22h 35m2 stops

10:05 p.m. - 2:14 p.m.

EZE

YYZ

18h 09m2 stops

C$ 1,063United Airlines

Mon, 16 Feb - Tue, 24 Feb

12:30 p.m. - 9:40 a.m.

YUL

AEP

19h 10m2 stops

2:55 p.m. - 11:59 p.m.

AEP

YUL

34h 04m2 stops

C$ 1,112LATAM Airlines

Thu, 5 Mar - Mon, 16 Mar

5:10 p.m. - 5:40 a.m.

YYZ

AEP

35h 30m2 stops

7:00 a.m. - 7:15 a.m.

AEP

YYZ

25h 15m1 stop

C$ 1,136Avianca

Sun, 12 Apr - Sun, 26 Apr

Arajet flights from Region of Ontario to Buenos Aires

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

Arajet

8 Apr

YYZ6:30 a.m.Toronto Pearson Intl

16h 35m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

21 Apr

EZE11:00 a.m.Buenos Aires Ministro Pistarini

13h 55m

1 stop

YYZ11:55 p.m.Toronto Pearson Intl

C$ 906

Find similar

Arajet

8 Apr

YYZ6:30 a.m.Toronto Pearson Intl

16h 35m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

16 Apr

EZE11:00 a.m.Buenos Aires Ministro Pistarini

13h 55m

1 stop

YYZ11:55 p.m.Toronto Pearson Intl

C$ 947

Find similar

Arajet

8 Apr

YYZ6:30 a.m.Toronto Pearson Intl

16h 35m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

17 Apr

EZE9:15 p.m.Buenos Aires Ministro Pistarini

14h 35m

1 stop

YYZ10:50 a.m.Toronto Pearson Intl

C$ 1,034

Find similar

American Airlines flights from Region of Ontario to Buenos Aires

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

American Airlines

26 Jan

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

24h 10m

1 stop

EZE9:10 a.m.Buenos Aires Ministro Pistarini

10 Feb

EZE10:25 p.m.Buenos Aires Ministro Pistarini

18h 55m

2 stops

YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,093

Find similar

American Airlines

29 Jan

YYZ6:14 a.m.Toronto Pearson Intl

24h 11m

1 stop

EZE8:25 a.m.Buenos Aires Ministro Pistarini

12 Feb

EZE10:25 p.m.Buenos Aires Ministro Pistarini

19h 54m

1 stop

YYZ4:19 p.m.Toronto Pearson Intl

C$ 1,097

Find similar

American Airlines

3 Feb

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

18h 15m

2 stops

EZE10:40 a.m.Buenos Aires Ministro Pistarini

10 Feb

EZE9:40 p.m.Buenos Aires Ministro Pistarini

19h 40m

2 stops

YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,101

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 8/4

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

1 stop16h 35m

Buenos Aires Ministro Pistarini

Tue 21/4

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

1 stop13h 55m

C$ 906

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 8/4

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

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 16/4

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

1 stop13h 55m

C$ 947

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 12/1

12:07 p.m.-10:15 a.m.

1 stop20h 08m

Buenos Aires Ministro Pistarini

Sun 1/2

7:43 p.m.-11:08 a.m.

2 stops17h 25m

C$ 1,011

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 16/3

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

1 stop13h 28m

Buenos Aires Ministro Pistarini

Sun 22/3

3:47 a.m.-1:15 a.m.

1 stop22h 28m

C$ 1,024

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 16/3

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

1 stop13h 28m

Buenos Aires Ministro Pistarini

Thu 19/3

5:16 a.m.-1:15 a.m.

1 stop20h 59m

C$ 1,045

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 10/1

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

2 stops21h 15m

Buenos Aires Ministro Pistarini

Tue 17/3

1:40 a.m.-11:35 p.m.

1 stop22h 55m

C$ 1,055

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 12/3

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

2 stops32h 20m

Buenos Aires Ministro Pistarini

Mon 23/3

10:55 p.m.-2:20 p.m.

1 stop16h 25m

C$ 1,061

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 16/2

8:45 a.m.-9:20 a.m.

2 stops22h 35m

Buenos Aires Ministro Pistarini

Tue 24/2

10:05 p.m.-2:14 p.m.

2 stops18h 09m

C$ 1,063

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

12:30 p.m.-9:40 a.m.

2 stops19h 10m

Buenos Aires Jorge Newbery

Mon 16/3

2:55 p.m.-11:59 p.m.

2 stops34h 04m

C$ 1,112

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Sun 12/4

5:10 p.m.-5:40 a.m.

2 stops35h 30m

Buenos Aires Jorge Newbery

Sun 26/4

7:00 a.m.-7:15 a.m.

1 stop25h 15m

C$ 1,136

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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 day to depart on your flight to Buenos Aires?

The cheapest day to depart on your flight to Buenos Aires is on a Friday when prices can be found for as low as C$ 1,304. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Buenos Aires for around C$ 1,531.

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$ 1,258. 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$ 1,531.

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$ 1,209 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 16% 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 00m
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 00m

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 57.14% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 28.57% and Boeing 737 MAX 8 at 14.29%.

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 1,894 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom C$ 601	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Delta	PriceFrom C$ 623	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 745	Free Cancellation	Rating 7.6 1,557 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 781	Free Cancellation	Rating 6.8 38 reviews	Search Arajet flights
Avianca	PriceFrom C$ 931	Free Cancellation	Rating 6.6 2,491 reviews	Search Avianca flights
Air Canada	PriceFrom C$ 1,083	Free Cancellation	Rating 7.1 10,551 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$ 445

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 12/6. 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

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Trusted and free

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Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

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Arajet flights from Region of Ontario to Buenos Aires

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

American Airlines flights from Region of Ontario to Buenos Aires

Our best American 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 day to depart on your flight 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 16% 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?

Copa Airlines, Avianca, and United 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