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

As of November 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.

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

Avianca, Copa Airlines, 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 15h 41m 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 16h 35m. Keep in mind that layovers or delays could extend your travel time.

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 8 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 November 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$ 471 Cheap Flights from Ontario to Buenos Aires in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:00 p.m. - 12:35 a.m.YUL-EZE

24h 35m1 stop

7:30 a.m. - 8:35 p.m.EZE-YUL

15h 05m1 stop

C$ 1,069Avianca

Find Deal

Mon, 1 Dec - Mon, 8 Dec

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

25h 20m2 stops

11:55 p.m. - 7:48 p.m.EZE-YUL

21h 53m2 stops

C$ 1,071United Airlines

Find Deal

Mon, 2 Feb - Tue, 24 Feb

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

22h 10m1 stop

10:25 p.m. - 3:08 p.m.EZE-YUL

18h 43m2 stops

C$ 1,082American Airlines

Find Deal

Mon, 19 Jan - Mon, 2 Feb

8:30 a.m. - 4:16 a.m.YYZ-EZE

17h 46m1 stop

9:03 a.m. - 12:09 a.m.EZE-YYZ

17h 06m1 stop

C$ 1,086Copa Airlines

Find Deal

Thu, 11 Dec - Thu, 18 Dec

6:00 a.m. - 8:15 a.m.YYZ-EZE

24h 15m1 stop

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

19h 54m1 stop

C$ 1,088American Airlines

Find Deal

Sun, 11 Jan - Mon, 26 Jan

7:10 a.m. - 12:58 a.m.YUL-EZE

15h 48m1 stop

9:03 a.m. - 11:43 p.m.EZE-YUL

16h 40m1 stop

C$ 1,091Copa Airlines

Find Deal

Thu, 4 Dec - Sat, 13 Dec

8:55 a.m. - 5:14 p.m.YYZ-EZE

31h 19m3 stops

2:25 a.m. - 11:55 p.m.EZE-YYZ

22h 30m2 stops

C$ 1,091Multiple Airlines

Find Deal

Fri, 20 Mar - Mon, 30 Mar

12:55 a.m. - 11:20 p.m.YYZ-AEP

21h 25m2 stops

6:20 a.m. - 11:55 p.m.AEP-YYZ

18h 35m2 stops

C$ 1,093Multiple Airlines

Find Deal

Thu, 19 Mar - Tue, 31 Mar

6:30 p.m. - 3:10 p.m.YTZ-EZE

18h 40m2 stops

4:45 p.m. - 11:55 a.m.EZE-YTZ

21h 10m2 stops

C$ 1,099Air Canada

Find Deal

Thu, 29 Jan - Mon, 23 Feb

8:30 p.m. - 2:25 p.m.YTZ-EZE

16h 55m2 stops

4:35 p.m. - 10:07 a.m.EZE-YTZ

18h 32m2 stops

C$ 1,102Air Canada

Find Deal

Wed, 1 Apr - Thu, 9 Apr

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

2 Feb

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

25h 20m

2 stops

EZE9:20 a.m.Buenos Aires Ministro Pistarini

24 Feb

EZE11:55 p.m.Buenos Aires Ministro Pistarini

21h 53m

2 stops

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,071

Find similar

United Airlines

19 Jan

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

20h 05m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

2 Feb

EZE10:05 p.m.Buenos Aires Ministro Pistarini

19h 11m

2 stops

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,072

Find similar

United Airlines

31 Jan

YYZ3:45 p.m.Toronto Pearson Intl

37h 35m

1 stop

EZE7:20 a.m.Buenos Aires Ministro Pistarini

16 Feb

EZE10:05 p.m.Buenos Aires Ministro Pistarini

18h 09m

2 stops

YYZ2:14 p.m.Toronto Pearson Intl

C$ 1,081

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

19 Jan

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

22h 10m

1 stop

EZE7:10 a.m.Buenos Aires Ministro Pistarini

2 Feb

EZE10:25 p.m.Buenos Aires Ministro Pistarini

18h 43m

2 stops

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,082

Find similar

American Airlines

19 Jan

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

22h 10m

2 stops

EZE7:10 a.m.Buenos Aires Ministro Pistarini

2 Feb

EZE10:25 p.m.Buenos Aires Ministro Pistarini

18h 43m

2 stops

YUL3:08 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,089

Find similar

American Airlines

30 Dec

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

24h 00m

2 stops

EZE9:30 a.m.Buenos Aires Ministro Pistarini

17 Feb

EZE11:59 p.m.Buenos Aires Ministro Pistarini

25h 27m

1 stop

YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,098

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

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

10:00 p.m.-12:35 a.m.

1 stop24h 35m

Buenos Aires Ministro Pistarini

Mon 8/12

7:30 a.m.-8:35 p.m.

1 stop15h 05m

C$ 1,069

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 24/2

11:55 p.m.-7:48 p.m.

2 stops21h 53m

C$ 1,071

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

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

1 stop22h 10m

Buenos Aires Ministro Pistarini

Mon 2/2

10:25 p.m.-3:08 p.m.

2 stops18h 43m

C$ 1,082

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 11/12

8:30 a.m.-4:16 a.m.

1 stop17h 46m

Buenos Aires Ministro Pistarini

Thu 18/12

9:03 a.m.-12:09 a.m.

1 stop17h 06m

C$ 1,086

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 11/1

6:00 a.m.-8:15 a.m.

1 stop24h 15m

Buenos Aires Ministro Pistarini

Mon 26/1

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

1 stop19h 54m

C$ 1,088

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

7:10 a.m.-12:58 a.m.

1 stop15h 48m

Buenos Aires Ministro Pistarini

Sat 13/12

9:03 a.m.-11:43 p.m.

1 stop16h 40m

C$ 1,091

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Fri 20/3

8:55 a.m.-5:14 p.m.

3 stops31h 19m

Buenos Aires Ministro Pistarini

Mon 30/3

2:25 a.m.-11:55 p.m.

2 stops22h 30m

C$ 1,091

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Thu 19/3

12:55 a.m.-11:20 p.m.

2 stops21h 25m

Buenos Aires Jorge Newbery

Tue 31/3

6:20 a.m.-11:55 p.m.

2 stops18h 35m

C$ 1,093

TorontoBuenos Aires

YTZ - EZE

YTZEZE

Toronto Island

Thu 29/1

6:30 p.m.-3:10 p.m.

2 stops18h 40m

Buenos Aires Ministro Pistarini

Mon 23/2

4:45 p.m.-11:55 a.m.

2 stops21h 10m

C$ 1,099

TorontoBuenos Aires

YTZ - EZE

YTZEZE

Toronto Island

Wed 1/4

8:30 p.m.-2:25 p.m.

2 stops16h 55m

Buenos Aires Ministro Pistarini

Thu 9/4

4:35 p.m.-10:07 a.m.

2 stops18h 32m

C$ 1,102

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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$ 1,098, 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$ 1,117.

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$ 1,281. 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$ 1,289.

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$ 1,241 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$ 995 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 18% 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	Mon, Wed, Sat and Sun
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 Monday, Wednesday, Saturday and Sunday. 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 November 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$ 309	Free Cancellation	Rating 7.5 1,882 reviews	Search LATAM Airlines flights
Delta	PriceFrom C$ 700	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 748	Free Cancellation	Rating 7.6 1,566 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 823	Free Cancellation	Rating 7.1 36 reviews	Search Arajet flights
Avianca	PriceFrom C$ 978	Free Cancellation	Rating 6.6 2,477 reviews	Search Avianca flights
American Airlines	PriceFrom C$ 1,002	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 1,069	Free Cancellation	Rating 7.4 9,029 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,103	Free Cancellation	Rating 7.1 10,463 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 20/12

Sat 27/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

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$ 471

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 15/4. 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

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

United Airlines flights from Region of Ontario to Buenos Aires

Our best United Airlines 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

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 18% 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?

Avianca, Copa Airlines, 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 November 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