Which airlines fly to Buenos Aires?

United Airlines, Avianca and Air Canada 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 31% 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.

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

Avianca, Arajet, and Air Canada 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 February 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?

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 37m 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 15m. 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 February 2026, 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$ 313 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.

8:55 a.m. - 5:40 a.m.

YYZ

AEP

19h 45m

1 stop

7:00 a.m. - 11:30 p.m.

AEP

YYZ

17h 30m

1 stop

C$ 1,040Avianca

Fri, 8 May - Wed, 20 May

8:30 a.m. - 2:30 a.m.

YYZ

EZE

17h 00m

1 stop

5:25 a.m. - 1:13 a.m.

EZE

YYZ

20h 48m

1 stop

C$ 1,040Copa Airlines

Wed, 10 Jun - Wed, 24 Jun

12:25 p.m. - 9:35 a.m.

YYZ

EZE

20h 10m

2 stops

2:45 p.m. - 5:24 p.m.

EZE

YYZ

27h 39m

2 stops

C$ 1,043LATAM Airlines

Wed, 18 Mar - Wed, 25 Mar

7:45 a.m. - 9:35 a.m.

YYZ

EZE

24h 50m

2 stops

2:45 p.m. - 5:24 p.m.

EZE

YYZ

27h 39m

2 stops

C$ 1,044LATAM Airlines

Wed, 18 Mar - Wed, 25 Mar

12:52 p.m. - 3:45 a.m.

YYZ

EZE

13h 53m

1 stop

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

EZE

YYZ

13h 55m

1 stop

C$ 1,048Arajet

Sat, 21 Mar - Thu, 16 Apr

8:55 a.m. - 11:00 a.m.

YYZ

AEP

25h 05m

2 stops

9:30 p.m. - 7:20 a.m.

AEP

YYZ

34h 50m

2 stops

C$ 1,048Multiple Airlines

Tue, 21 Apr - Thu, 30 Apr

8:30 a.m. - 11:55 p.m.

YYZ

AEP

38h 25m

2 stops

5:30 p.m. - 7:10 p.m.

AEP

YYZ

26h 40m

1 stop

C$ 1,058Multiple Airlines

Tue, 24 Mar - Wed, 15 Apr

5:50 p.m. - 8:00 a.m.

YOW

EZE

37h 10m

2 stops

9:00 p.m. - 6:55 p.m.

EZE

YOW

22h 55m

2 stops

C$ 1,083United Airlines

Mon, 13 Apr - Wed, 29 Apr

6:45 a.m. - 12:05 a.m.

YUL

EZE

16h 20m

1 stop

11:00 a.m. - 12:20 a.m.

EZE

YUL

14h 20m

1 stop

C$ 1,098Arajet

Wed, 25 Mar - Tue, 7 Apr

3:10 p.m. - 8:00 a.m.

YOW

EZE

39h 50m

3 stops

9:00 p.m. - 10:03 a.m.

EZE

YOW

38h 03m

2 stops

C$ 1,102United Airlines

Sun, 5 Apr - Sun, 12 Apr

Arajet flights from Region of Ontario to Buenos Aires

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

Arajet

21 Mar

YYZ12:52 p.m.Toronto Pearson Intl

13h 53m

1 stop

EZE3:45 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$ 1,048

Arajet

18 Mar

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$ 1,068

Arajet

25 Mar

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

16h 20m

1 stop

EZE12:05 a.m.Buenos Aires Ministro Pistarini

7 Apr

EZE11:00 a.m.Buenos Aires Ministro Pistarini

14h 20m

1 stop

YUL12:20 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,098

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

9 Mar

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

19h 04m

2 stops

EZE10:29 a.m.Buenos Aires Ministro Pistarini

23 Apr

EZE10:20 p.m.Buenos Aires Ministro Pistarini

26h 08m

1 stop

YUL11:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,142

American Airlines

8 Mar

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

19h 04m

2 stops

EZE10:29 a.m.Buenos Aires Ministro Pistarini

24 Mar

EZE8:35 p.m.Buenos Aires Ministro Pistarini

27h 54m

1 stop

YUL11:29 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,143

American Airlines

24 Feb

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

18h 14m

2 stops

EZE10:39 a.m.Buenos Aires Ministro Pistarini

17 Mar

EZE11:30 p.m.Buenos Aires Ministro Pistarini

24h 59m

1 stop

YUL11:29 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,144

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 - AEP

YYZAEP

Toronto Pearson Intl

Fri 8/5

8:55 a.m.-5:40 a.m.

1 stop19h 45m

Buenos Aires Jorge Newbery

Wed 20/5

7:00 a.m.-11:30 p.m.

1 stop17h 30m

C$ 1,040

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 10/6

8:30 a.m.-2:30 a.m.

1 stop17h 00m

Buenos Aires Ministro Pistarini

Wed 24/6

5:25 a.m.-1:13 a.m.

1 stop20h 48m

C$ 1,040

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 18/3

12:25 p.m.-9:35 a.m.

2 stops20h 10m

Buenos Aires Ministro Pistarini

Wed 25/3

2:45 p.m.-5:24 p.m.

2 stops27h 39m

C$ 1,043

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 18/3

7:45 a.m.-9:35 a.m.

2 stops24h 50m

Buenos Aires Ministro Pistarini

Wed 25/3

2:45 p.m.-5:24 p.m.

2 stops27h 39m

C$ 1,044

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sat 21/3

12:52 p.m.-3:45 a.m.

1 stop13h 53m

Buenos Aires Ministro Pistarini

Thu 16/4

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

1 stop13h 55m

C$ 1,048

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Tue 21/4

8:55 a.m.-11:00 a.m.

2 stops25h 05m

Buenos Aires Jorge Newbery

Thu 30/4

9:30 p.m.-7:20 a.m.

2 stops34h 50m

C$ 1,048

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Tue 24/3

8:30 a.m.-11:55 p.m.

2 stops38h 25m

Buenos Aires Jorge Newbery

Wed 15/4

5:30 p.m.-7:10 p.m.

1 stop26h 40m

C$ 1,058

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 13/4

5:50 p.m.-8:00 a.m.

2 stops37h 10m

Buenos Aires Ministro Pistarini

Wed 29/4

9:00 p.m.-6:55 p.m.

2 stops22h 55m

C$ 1,083

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

6:45 a.m.-12:05 a.m.

1 stop16h 20m

Buenos Aires Ministro Pistarini

Tue 7/4

11:00 a.m.-12:20 a.m.

1 stop14h 20m

C$ 1,098

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Sun 5/4

3:10 p.m.-8:00 a.m.

3 stops39h 50m

Buenos Aires Ministro Pistarini

Sun 12/4

9:00 p.m.-10:03 a.m.

2 stops38h 03m

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$ 1,079, 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$ 1,091.

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$ 1,199 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$ 942 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 22% 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

Best price found	C$ 1,555
Fastest flight time	13h 28m
Direct flights	Mon, Wed, Thu, Fri, Sat and Sun
Airports in Buenos Aires	2 airports

The best flight deal from Region of Ontario to Buenos Aires found on momondo in the last 72 hours is C$ 1,555

The fastest flight from Region of Ontario to Buenos Aires takes 13h 28m

Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, Thursday, 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 February 2026, 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 83.33% of all bookings. The subsequent popular model is Boeing 737 MAX 8 at 16.67%.

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$ 302	Free Cancellation	Rating 7.5 1,921 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom C$ 586	Free Cancellation	Rating 7.4 9,335 reviews	Search United Airlines flights
Copa Airlines	PriceFrom C$ 731	Free Cancellation	Rating 7.5 1,552 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 777	Free Cancellation	Rating 6.6 44 reviews	Search Arajet flights
Delta	PriceFrom C$ 784	Free Cancellation	Rating 7.9 8,228 reviews	Search Delta flights
Avianca	PriceFrom C$ 892	Free Cancellation	Rating 6.6 2,496 reviews	Search Avianca flights
Air Canada	PriceFrom C$ 1,071	Free Cancellation	Rating 7.1 10,734 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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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

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Cheap flights from Ontario to Buenos Aires from C$ 313

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 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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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 Ontario to Buenos Aires flight route?

How far in advance should I book a flight to Buenos Aires?

What cabin class options are available on Ontario to Buenos Aires flights?

Can stopping save me money on Region of Ontario to Buenos Aires flights?

What is the cheapest airline that flies 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?

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

Best price found

Fastest flight time

Direct flights

Airports in 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

Fly your favourite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

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