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

As of January 2026, 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 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 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 55m. Keep in mind that layovers or delays could extend your travel time.

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 January 2026, 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$ 452 Cheap Flights from Ontario to Buenos Aires in 2026

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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. - 6:10 a.m.

YYZ

EZE

22h 40m

1 stop

9:15 p.m. - 11:55 p.m.

EZE

YYZ

27h 40m

1 stop

C$ 989Arajet

Wed, 1 Apr - Wed, 22 Apr

9:05 a.m. - 4:00 a.m.

YYZ

EZE

17h 55m

2 stops

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

EZE

YYZ

13h 55m

1 stop

C$ 992Multiple Airlines

Mon, 11 May - Thu, 21 May

11:50 p.m. - 11:36 p.m.

YYZ

EZE

22h 46m

2 stops

8:50 a.m. - 11:55 p.m.

EZE

YYZ

16h 05m

1 stop

C$ 995Multiple Airlines

Sun, 3 May - Tue, 12 May

12:20 p.m. - 8:50 p.m.

YYZ

EZE

30h 30m

2 stops

10:25 p.m. - 11:17 a.m.

EZE

YYZ

14h 52m

1 stop

C$ 1,013LATAM Airlines

Sat, 31 Jan - Sat, 7 Feb

12:55 a.m. - 3:50 p.m.

YYZ

EZE

13h 55m

1 stop

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

EZE

YYZ

25h 05m

1 stop

C$ 1,027Avianca

Mon, 16 Mar - Tue, 24 Mar

5:00 p.m. - 3:50 p.m.

YYZ

EZE

21h 50m

2 stops

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

EZE

YYZ

25h 05m

1 stop

C$ 1,030Avianca

Tue, 17 Mar - Tue, 24 Mar

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

YYZ

EZE

13h 28m

1 stop

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

EZE

YYZ

20h 59m

1 stop

C$ 1,031Copa Airlines

Mon, 9 Mar - Mon, 23 Mar

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

YOW

EZE

21h 35m

2 stops

9:05 p.m. - 2:27 p.m.

EZE

YOW

42h 22m

2 stops

C$ 1,090United Airlines

Tue, 3 Mar - Tue, 17 Mar

6:10 a.m. - 8:00 a.m.

YUL

EZE

24h 50m

2 stops

9:00 p.m. - 9:26 p.m.

EZE

YUL

25h 26m

2 stops

C$ 1,090United Airlines

Mon, 20 Apr - Mon, 11 May

7:00 a.m. - 11:45 a.m.

YUL

AEP

26h 45m

2 stops

5:05 p.m. - 5:31 p.m.

AEP

YUL

25h 26m

2 stops

C$ 1,116LATAM Airlines

Thu, 5 Mar - Wed, 8 Apr

Avianca flights from Region of Ontario to Buenos Aires

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

Avianca

16 Mar

YYZ12:55 a.m.Toronto Pearson Intl

13h 55m

1 stop

EZE3:50 p.m.Buenos Aires Ministro Pistarini

24 Mar

EZE7:30 a.m.Buenos Aires Ministro Pistarini

25h 05m

1 stop

YYZ7:35 a.m.Toronto Pearson Intl

C$ 1,027

Avianca

17 Mar

YYZ5:00 p.m.Toronto Pearson Intl

21h 50m

2 stops

EZE3:50 p.m.Buenos Aires Ministro Pistarini

24 Mar

EZE7:30 a.m.Buenos Aires Ministro Pistarini

25h 05m

1 stop

YYZ7:35 a.m.Toronto Pearson Intl

C$ 1,030

Avianca

3 May

YYZ11:50 p.m.Toronto Pearson Intl

23h 20m

1 stop

EZE12:10 a.m.Buenos Aires Ministro Pistarini

12 May

EZE4:45 p.m.Buenos Aires Ministro Pistarini

15h 30m

1 stop

YYZ7:15 a.m.Toronto Pearson Intl

C$ 1,035

Air Canada flights from Region of Ontario to Buenos Aires

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

Air Canada

7 Mar

YUL8:55 p.m.Montreal Pierre Elliott Trudeau Intl

16h 15m

1 stop

EZE3:10 p.m.Buenos Aires Ministro Pistarini

8 Apr

EZE4:30 p.m.Buenos Aires Ministro Pistarini

30h 21m

2 stops

YUL9:51 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,092

Air Canada

7 Mar

YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl

24h 00m

2 stops

EZE3:10 p.m.Buenos Aires Ministro Pistarini

8 Apr

EZE4:30 p.m.Buenos Aires Ministro Pistarini

23h 50m

2 stops

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

C$ 1,094

Air Canada

6 Mar

YTZ8:30 p.m.Toronto Island

40h 40m

2 stops

EZE3:10 p.m.Buenos Aires Ministro Pistarini

15 Mar

EZE4:45 p.m.Buenos Aires Ministro Pistarini

20h 10m

2 stops

YTZ11:55 a.m.Toronto Island

C$ 1,105

Fly from

Fly to

Route

Depart

Return

Price

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 1/4

6:30 a.m.-6:10 a.m.

1 stop22h 40m

Buenos Aires Ministro Pistarini

Wed 22/4

9:15 p.m.-11:55 p.m.

1 stop27h 40m

C$ 989

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 11/5

9:05 a.m.-4:00 a.m.

2 stops17h 55m

Buenos Aires Ministro Pistarini

Thu 21/5

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

1 stop13h 55m

C$ 992

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 3/5

11:50 p.m.-11:36 p.m.

2 stops22h 46m

Buenos Aires Ministro Pistarini

Tue 12/5

8:50 a.m.-11:55 p.m.

1 stop16h 05m

C$ 995

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 31/1

12:20 p.m.-8:50 p.m.

2 stops30h 30m

Buenos Aires Ministro Pistarini

Sat 7/2

10:25 p.m.-11:17 a.m.

1 stop14h 52m

C$ 1,013

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 16/3

12:55 a.m.-3:50 p.m.

1 stop13h 55m

Buenos Aires Ministro Pistarini

Tue 24/3

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

1 stop25h 05m

C$ 1,027

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 17/3

5:00 p.m.-3:50 p.m.

2 stops21h 50m

Buenos Aires Ministro Pistarini

Tue 24/3

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

1 stop25h 05m

C$ 1,030

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 9/3

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

1 stop13h 28m

Buenos Aires Ministro Pistarini

Mon 23/3

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

1 stop20h 59m

C$ 1,031

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Tue 3/3

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

2 stops21h 35m

Buenos Aires Ministro Pistarini

Tue 17/3

9:05 p.m.-2:27 p.m.

2 stops42h 22m

C$ 1,090

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:10 a.m.-8:00 a.m.

2 stops24h 50m

Buenos Aires Ministro Pistarini

Mon 11/5

9:00 p.m.-9:26 p.m.

2 stops25h 26m

C$ 1,090

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

7:00 a.m.-11:45 a.m.

2 stops26h 45m

Buenos Aires Jorge Newbery

Wed 8/4

5:05 p.m.-5:31 p.m.

2 stops25h 26m

C$ 1,116

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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$ 1,088, 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$ 1,108.

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$ 1,210 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$ 976 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, Thu, Fri 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, Thursday, Friday 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 January 2026, 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 787-9 Dreamliner, representing 75.00% of all bookings. The subsequent popular model is Boeing 737 MAX 8 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$ 306	Free Cancellation	Rating 7.5 1,906 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom C$ 595	Free Cancellation	Rating 7.4 9,165 reviews	Search United Airlines flights
Delta	PriceFrom C$ 629	Free Cancellation	Rating 7.9 8,057 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 752	Free Cancellation	Rating 7.6 1,559 reviews	Search Copa Airlines flights
American Airlines	PriceFrom C$ 770	Free Cancellation	Rating 7.2 11,144 reviews	Search American Airlines flights
Arajet	PriceFrom C$ 789	Free Cancellation	Rating 6.4 41 reviews	Search Arajet flights
Avianca	PriceFrom C$ 905	Free Cancellation	Rating 6.6 2,492 reviews	Search Avianca flights
Air Canada	PriceFrom C$ 1,088	Free Cancellation	Rating 7.1 10,627 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

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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$ 452

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 8/3. 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

Filter for what you want

Filter for what you want

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Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

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Cheap last-minute 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

Air Canada flights from Region of Ontario to Buenos Aires

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

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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 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?

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 January 2026, 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