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

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

Which airlines fly to Buenos Aires?

Air Canada, United Airlines and Copa Airlines 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 35% 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 many flights depart from Region of Ontario to Buenos Aires on average per week?

As of September 2025, there are 4 flights per week flying from Region of Ontario to Buenos Aires. The most common day of the week flights depart is Tue, with 25% 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 Ottawa and flying into Buenos Aires Ministro Pistarini Airport (one of the most popular routes), then the duration is 16h 35m on average. Another popular route from Region of Ontario to Buenos Aires is flying from Toronto to Buenos Aires Ministro Pistarini Airport, which will take roughly 16h 40m. 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 September 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$ 472 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

Cheap round-trip flights

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

17h 46m1 stop

5:16 a.m. - 12:09 a.m.EZE-YYZ

20h 53m1 stop

C$ 1,026Copa Airlines

Find Deal

Thu, 6 Nov - Mon, 24 Nov

7:55 a.m. - 5:40 a.m.YYZ-AEP

19h 45m1 stop

7:00 a.m. - 10:35 p.m.AEP-YYZ

17h 35m1 stop

C$ 1,029Avianca

Find Deal

Wed, 5 Nov - Wed, 12 Nov

11:30 p.m. - 9:00 p.m.YYZ-EZE

19h 30m1 stop

4:45 p.m. - 5:55 a.m.EZE-YYZ

15h 10m1 stop

C$ 1,044Multiple Airlines

Find Deal

Fri, 20 Feb - Mon, 2 Mar

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

18h 40m2 stops

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

20h 10m2 stops

C$ 1,061Air Canada

Find Deal

Sat, 7 Mar - Sat, 21 Mar

9:55 p.m. - 3:10 p.m.YUL-EZE

16h 15m1 stop

4:45 p.m. - 6:35 a.m.EZE-YUL

14h 50m1 stop

C$ 1,061Air Canada

Find Deal

Thu, 12 Mar - Mon, 16 Mar

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

23h 20m2 stops

11:55 p.m. - 9:42 p.m.EZE-YUL

23h 47m2 stops

C$ 1,062United Airlines

Find Deal

Mon, 27 Oct - Mon, 10 Nov

6:10 a.m. - 7:20 a.m.YYZ-EZE

23h 10m1 stop

11:55 p.m. - 2:22 p.m.EZE-YYZ

16h 27m1 stop

C$ 1,062United Airlines

Find Deal

Wed, 26 Nov - Mon, 15 Dec

2:00 p.m. - 8:10 a.m.YYZ-EZE

16h 10m1 stop

9:40 p.m. - 1:03 p.m.EZE-YYZ

17h 23m2 stops

C$ 1,073American Airlines

Find Deal

Wed, 5 Nov - Wed, 12 Nov

10:57 a.m. - 7:00 a.m.YYZ-EZE

18h 03m2 stops

8:45 p.m. - 9:50 a.m.EZE-YYZ

15h 05m1 stop

C$ 1,090American Airlines

Find Deal

Wed, 5 Nov - Fri, 21 Nov

8:00 a.m. - 6:40 p.m.YUL-AEP

32h 40m2 stops

6:20 p.m. - 11:40 a.m.AEP-YUL

19h 20m2 stops

C$ 1,140Multiple Airlines

Find Deal

Sun, 9 Nov - Sun, 16 Nov

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

6 Nov

YYZ8:30 a.m.Toronto Pearson Intl

17h 46m

1 stop

EZE4:16 a.m.Buenos Aires Ministro Pistarini

24 Nov

EZE5:16 a.m.Buenos Aires Ministro Pistarini

20h 53m

1 stop

YYZ12:09 a.m.Toronto Pearson Intl

C$ 1,026

Find similar

Copa Airlines

25 Nov

YYZ8:30 a.m.Toronto Pearson Intl

21h 29m

1 stop

EZE7:59 a.m.Buenos Aires Ministro Pistarini

30 Nov

EZE3:41 a.m.Buenos Aires Ministro Pistarini

22h 28m

1 stop

YYZ12:09 a.m.Toronto Pearson Intl

C$ 1,031

Find similar

Copa Airlines

13 Oct

YYZ9:00 a.m.Toronto Pearson Intl

17h 58m

1 stop

EZE3:58 a.m.Buenos Aires Ministro Pistarini

20 Oct

EZE5:08 a.m.Buenos Aires Ministro Pistarini

21h 05m

1 stop

YYZ1:13 a.m.Toronto Pearson Intl

C$ 1,033

Find similar

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

YTZ6:30 p.m.Toronto Island

18h 40m

2 stops

EZE3:10 p.m.Buenos Aires Ministro Pistarini

21 Mar

EZE4:45 p.m.Buenos Aires Ministro Pistarini

20h 10m

2 stops

YTZ11:55 a.m.Toronto Island

C$ 1,061

Find similar

Air Canada

31 Oct

YTZ5:30 p.m.Toronto Island

20h 40m

2 stops

EZE3:10 p.m.Buenos Aires Ministro Pistarini

7 Nov

EZE4:45 p.m.Buenos Aires Ministro Pistarini

19h 10m

2 stops

YTZ9:55 a.m.Toronto Island

C$ 1,064

Find similar

Air Canada

9 Nov

YTZ3:30 p.m.Toronto Island

21h 40m

2 stops

EZE3:10 p.m.Buenos Aires Ministro Pistarini

23 Nov

EZE4:45 p.m.Buenos Aires Ministro Pistarini

24h 10m

2 stops

YTZ2:55 p.m.Toronto Island

C$ 1,065

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

Thu 6/11

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

1 stop17h 46m

Buenos Aires Ministro Pistarini

Mon 24/11

5:16 a.m.-12:09 a.m.

1 stop20h 53m

C$ 1,026

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Wed 5/11

7:55 a.m.-5:40 a.m.

1 stop19h 45m

Buenos Aires Jorge Newbery

Wed 12/11

7:00 a.m.-10:35 p.m.

1 stop17h 35m

C$ 1,029

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Fri 20/2

11:30 p.m.-9:00 p.m.

1 stop19h 30m

Buenos Aires Ministro Pistarini

Mon 2/3

4:45 p.m.-5:55 a.m.

1 stop15h 10m

C$ 1,044

TorontoBuenos Aires

YTZ - EZE

YTZEZE

Toronto Island

Sat 7/3

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

2 stops18h 40m

Buenos Aires Ministro Pistarini

Sat 21/3

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

2 stops20h 10m

C$ 1,061

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

9:55 p.m.-3:10 p.m.

1 stop16h 15m

Buenos Aires Ministro Pistarini

Mon 16/3

4:45 p.m.-6:35 a.m.

1 stop14h 50m

C$ 1,061

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

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

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 10/11

11:55 p.m.-9:42 p.m.

2 stops23h 47m

C$ 1,062

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 26/11

6:10 a.m.-7:20 a.m.

1 stop23h 10m

Buenos Aires Ministro Pistarini

Mon 15/12

11:55 p.m.-2:22 p.m.

1 stop16h 27m

C$ 1,062

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 5/11

2:00 p.m.-8:10 a.m.

1 stop16h 10m

Buenos Aires Ministro Pistarini

Wed 12/11

9:40 p.m.-1:03 p.m.

2 stops17h 23m

C$ 1,073

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 5/11

10:57 a.m.-7:00 a.m.

2 stops18h 03m

Buenos Aires Ministro Pistarini

Fri 21/11

8:45 p.m.-9:50 a.m.

1 stop15h 05m

C$ 1,090

MontrealBuenos Aires

YUL - AEP

YULAEP

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

8:00 a.m.-6:40 p.m.

2 stops32h 40m

Buenos Aires Jorge Newbery

Sun 16/11

6:20 p.m.-11:40 a.m.

2 stops19h 20m

C$ 1,140

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$ 1,100, 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$ 1,102.

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$ 1,263. 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$ 1,270.

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$ 1,225 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$ 1,015 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 7% 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

Direct flights	None

There are no direct flights from Region of Ontario to Buenos Aires. There are no popular flight routes from Region of Ontario to Buenos Aires.

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 September 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$ 305	Free Cancellation	Rating 7.5 1,847 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom C$ 559	Free Cancellation	Rating 7.6 1,531 reviews	Search Copa Airlines flights
American Airlines	PriceFrom C$ 591	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 651	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Delta	PriceFrom C$ 690	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
Arajet	PriceFrom C$ 811	Free Cancellation	Rating 7.0 34 reviews	Search Arajet flights
Avianca	PriceFrom C$ 978	Free Cancellation	Rating 6.7 2,435 reviews	Search Avianca flights
United Airlines	PriceFrom C$ 1,064	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines 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$ 472

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 26/11. 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

Copa Airlines flights from Region of Ontario to Buenos Aires

Our best Copa Airlines 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

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 7% 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, Arajet, 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 September 2025, there are 4 flights per week flying from Region of Ontario to Buenos Aires. The most common day of the week flights depart is Tue, with 25% 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

Direct flights

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