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

Arajet, Copa Airlines, and Air Canada 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 57m 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 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 32% 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$ 468 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

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:50 p.m. - 12:10 a.m.

YYZ

EZE

23h 20m1 stop

6:50 a.m. - 10:30 p.m.

EZE

YYZ

16h 40m1 stop

C$ 1,007Avianca

Sun, 12 Apr - Sun, 26 Apr

6:14 p.m. - 10:15 a.m.

YYZ

EZE

15h 01m1 stop

12:00 p.m. - 5:00 p.m.

EZE

YYZ

30h 00m2 stops

C$ 1,013LATAM Airlines

Tue, 17 Mar - Tue, 24 Mar

6:10 a.m. - 9:35 a.m.

YYZ

EZE

25h 25m2 stops

2:30 a.m. - 12:11 a.m.

EZE

YYZ

23h 41m2 stops

C$ 1,028Multiple Airlines

Wed, 21 Jan - Thu, 22 Jan

8:35 a.m. - 4:30 a.m.

YUL

EZE

18h 55m1 stop

3:52 a.m. - 12:40 a.m.

EZE

YUL

21h 48m1 stop

C$ 1,065Copa Airlines

Thu, 9 Apr - Wed, 22 Apr

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

YUL

EZE

24h 50m2 stops

9:00 p.m. - 10:37 a.m.

EZE

YUL

38h 37m2 stops

C$ 1,069United Airlines

Mon, 6 Apr - Tue, 21 Apr

8:35 a.m. - 4:30 a.m.

YUL

EZE

18h 55m1 stop

5:34 a.m. - 12:40 a.m.

EZE

YUL

20h 06m1 stop

C$ 1,076Copa Airlines

Wed, 1 Apr - Wed, 22 Apr

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

YUL

EZE

25h 20m2 stops

11:55 p.m. - 2:00 p.m.

EZE

YUL

40h 05m2 stops

C$ 1,084United Airlines

Wed, 18 Feb - Sun, 1 Mar

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$ 1,097American Airlines

Mon, 26 Jan - Tue, 10 Feb

2:25 p.m. - 10:40 a.m.

YUL

EZE

18h 15m2 stops

11:59 p.m. - 10:44 p.m.

EZE

YUL

24h 45m2 stops

C$ 1,104American Airlines

Thu, 15 Jan - Wed, 11 Feb

6:05 p.m. - 7:20 a.m.

YYZ

AEP

35h 15m1 stop

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

AEP

YYZ

18h 35m2 stops

C$ 1,116Multiple Airlines

Sat, 21 Feb - Thu, 12 Mar

LATAM Airlines flights from Region of Ontario to Buenos Aires

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

LATAM Airlines

17 Mar

YYZ6:14 p.m.Toronto Pearson Intl

15h 01m

1 stop

EZE10:15 a.m.Buenos Aires Ministro Pistarini

24 Mar

EZE12:00 p.m.Buenos Aires Ministro Pistarini

30h 00m

2 stops

YYZ5:00 p.m.Toronto Pearson Intl

C$ 1,013

Find similar

LATAM Airlines

18 Feb

YYZ12:05 p.m.Toronto Pearson Intl

20h 10m

1 stop

EZE10:15 a.m.Buenos Aires Ministro Pistarini

25 Feb

EZE12:15 p.m.Buenos Aires Ministro Pistarini

24h 52m

2 stops

YYZ11:07 a.m.Toronto Pearson Intl

C$ 1,014

Find similar

LATAM Airlines

16 Jan

YUL2:45 p.m.Montreal Pierre Elliott Trudeau Intl

16h 15m

1 stop

EZE9:00 a.m.Buenos Aires Ministro Pistarini

29 Jan

EZE8:55 p.m.Buenos Aires Ministro Pistarini

16h 50m

1 stop

YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,115

Find similar

Avianca flights from Region of Ontario to Buenos Aires

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

Avianca

7 Jan

YYZ7:55 a.m.Toronto Pearson Intl

14h 40m

1 stop

EZE12:35 a.m.Buenos Aires Ministro Pistarini

6 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

17h 05m

1 stop

YYZ10:35 p.m.Toronto Pearson Intl

C$ 1,024

Find similar

Avianca

2 Mar

YYZ11:55 p.m.Toronto Pearson Intl

13h 55m

1 stop

EZE3:50 p.m.Buenos Aires Ministro Pistarini

14 Mar

EZE4:55 p.m.Buenos Aires Ministro Pistarini

15h 40m

1 stop

YYZ7:35 a.m.Toronto Pearson Intl

C$ 1,036

Find similar

Avianca

22 Jan

YYZ6:35 a.m.Toronto Pearson Intl

21h 15m

2 stops

EZE5:50 a.m.Buenos Aires Ministro Pistarini

6 Feb

EZE7:30 a.m.Buenos Aires Ministro Pistarini

17h 05m

1 stop

YYZ10:35 p.m.Toronto Pearson Intl

C$ 1,037

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

Sun 12/4

11:50 p.m.-12:10 a.m.

1 stop23h 20m

Buenos Aires Ministro Pistarini

Sun 26/4

6:50 a.m.-10:30 p.m.

1 stop16h 40m

C$ 1,007

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 17/3

6:14 p.m.-10:15 a.m.

1 stop15h 01m

Buenos Aires Ministro Pistarini

Tue 24/3

12:00 p.m.-5:00 p.m.

2 stops30h 00m

C$ 1,013

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 21/1

6:10 a.m.-9:35 a.m.

2 stops25h 25m

Buenos Aires Ministro Pistarini

Thu 22/1

2:30 a.m.-12:11 a.m.

2 stops23h 41m

C$ 1,028

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

8:35 a.m.-4:30 a.m.

1 stop18h 55m

Buenos Aires Ministro Pistarini

Wed 22/4

3:52 a.m.-12:40 a.m.

1 stop21h 48m

C$ 1,065

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

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

2 stops24h 50m

Buenos Aires Ministro Pistarini

Tue 21/4

9:00 p.m.-10:37 a.m.

2 stops38h 37m

C$ 1,069

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

8:35 a.m.-4:30 a.m.

1 stop18h 55m

Buenos Aires Ministro Pistarini

Wed 22/4

5:34 a.m.-12:40 a.m.

1 stop20h 06m

C$ 1,076

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Sun 1/3

11:55 p.m.-2:00 p.m.

2 stops40h 05m

C$ 1,084

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

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

1 stop22h 10m

Buenos Aires Ministro Pistarini

Tue 10/2

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

2 stops18h 43m

C$ 1,097

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

2:25 p.m.-10:40 a.m.

2 stops18h 15m

Buenos Aires Ministro Pistarini

Wed 11/2

11:59 p.m.-10:44 p.m.

2 stops24h 45m

C$ 1,104

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Sat 21/2

6:05 p.m.-7:20 a.m.

1 stop35h 15m

Buenos Aires Jorge Newbery

Thu 12/3

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

2 stops18h 35m

C$ 1,116

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$ 1,076, 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$ 1,098.

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$ 1,259. 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$ 1,471.

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$ 1,206 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$ 933 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 9% 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 05m
Direct flights	Mon, Thu, Fri and Sat
Airports in Buenos Aires	2 airports

The fastest flight from Region of Ontario to Buenos Aires takes 14h 05m

Direct flights go from Region of Ontario to Buenos Aires on Monday, Thursday, Friday and Saturday. 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 40.00% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 40.00% and Boeing 737 MAX 8 at 20.00%.

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$ 304	Free Cancellation	Rating 7.5 1,893 reviews	Search LATAM Airlines flights
Delta	PriceFrom C$ 688	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 746	Free Cancellation	Rating 7.6 1,556 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 782	Free Cancellation	Rating 6.8 38 reviews	Search Arajet flights
Avianca	PriceFrom C$ 1,021	Free Cancellation	Rating 6.6 2,490 reviews	Search Avianca flights
United Airlines	PriceFrom C$ 1,026	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,084	Free Cancellation	Rating 7.1 10,534 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$ 513

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 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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

Cheap direct flights

LATAM Airlines flights from Region of Ontario to Buenos Aires

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

Avianca flights from Region of Ontario to Buenos Aires

Our best Avianca 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 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 9% 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, Copa Airlines, and Air Canada 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