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.

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?

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 32m on average. Another popular route from Region of Ontario to Buenos Aires is flying from Hamilton to Buenos Aires Ministro Pistarini Airport, which will take roughly 20h 40m. Keep in mind that layovers or delays could extend your travel time.

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

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

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$ 457 Cheap Flights from Ontario to Buenos Aires in 2025/26

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Find the cheapest flights from Ontario to Buenos Aires

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 7:20 a.m.YUL-EZE

23h 20m2 stops

11:55 p.m. - 9:17 p.m.EZE-YUL

23h 22m2 stops

C$ 1,070United Airlines

Find Deal

Mon, 2 Feb - Mon, 9 Feb

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

25h 20m2 stops

10:05 p.m. - 9:17 p.m.EZE-YUL

25h 12m2 stops

C$ 1,072United Airlines

Find Deal

Thu, 15 Jan - Thu, 22 Jan

7:10 a.m. - 4:22 a.m.YUL-EZE

19h 12m1 stop

2:15 a.m. - 11:43 p.m.EZE-YUL

23h 28m1 stop

C$ 1,080Copa Airlines

Find Deal

Sun, 23 Nov - Mon, 1 Dec

6:35 a.m. - 5:50 a.m.YYZ-EZE

21h 15m2 stops

7:30 a.m. - 10:35 p.m.EZE-YYZ

17h 05m1 stop

C$ 1,080Avianca

Find Deal

Tue, 2 Dec - Thu, 11 Dec

6:00 a.m. - 3:10 p.m.YUL-EZE

32h 10m2 stops

8:50 a.m. - 12:20 a.m.EZE-YUL

16h 30m1 stop

C$ 1,082Multiple Airlines

Find Deal

Tue, 17 Mar - Tue, 31 Mar

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

25h 10m1 stop

11:20 p.m. - 3:08 p.m.EZE-YUL

17h 48m2 stops

C$ 1,083American Airlines

Find Deal

Mon, 26 Jan - Tue, 10 Feb

10:00 p.m. - 3:50 p.m.YUL-EZE

15h 50m1 stop

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

15h 05m1 stop

C$ 1,084Avianca

Find Deal

Wed, 21 Jan - Mon, 23 Feb

8:30 a.m. - 1:00 a.m.YYZ-EZE

14h 30m1 stop

3:41 a.m. - 12:09 a.m.EZE-YYZ

22h 28m1 stop

C$ 1,087Copa Airlines

Find Deal

Thu, 27 Nov - Sat, 6 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$ 1,089American Airlines

Find Deal

Sun, 11 Jan - Mon, 26 Jan

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

31h 19m3 stops

5:00 p.m. - 11:35 p.m.EZE-YYZ

31h 35m2 stops

C$ 1,094Multiple Airlines

Find Deal

Mon, 16 Mar - Mon, 23 Mar

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

1 Apr

YTZ8:30 p.m.Toronto Island

17h 00m

2 stops

EZE2:30 p.m.Buenos Aires Ministro Pistarini

9 Apr

EZE4:35 p.m.Buenos Aires Ministro Pistarini

20h 17m

2 stops

YTZ11:52 a.m.Toronto Island

C$ 1,101

Find similar

Air Canada

5 May

YTZ5:30 p.m.Toronto Island

20h 00m

2 stops

EZE2:30 p.m.Buenos Aires Ministro Pistarini

20 May

EZE4:35 p.m.Buenos Aires Ministro Pistarini

18h 31m

2 stops

YTZ10:06 a.m.Toronto Island

C$ 1,105

Find similar

Air Canada

1 Apr

YYZ5:00 p.m.Toronto Pearson Intl

20h 30m

2 stops

EZE2:30 p.m.Buenos Aires Ministro Pistarini

9 Apr

EZE4:35 p.m.Buenos Aires Ministro Pistarini

15h 20m

1 stop

YYZ6:55 a.m.Toronto Pearson Intl

C$ 1,110

Find similar

Delta flights from Region of Ontario to Buenos Aires

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

Delta

22 Jan

YYZ6:10 a.m.Toronto Pearson Intl

24h 50m

1 stop

EZE9:00 a.m.Buenos Aires Ministro Pistarini

10 Feb

EZE4:05 a.m.Buenos Aires Ministro Pistarini

21h 53m

2 stops

YYZ11:58 p.m.Toronto Pearson Intl

C$ 1,105

Find similar

Delta

26 Nov

YYZ12:08 p.m.Toronto Pearson Intl

20h 07m

2 stops

EZE10:15 a.m.Buenos Aires Ministro Pistarini

8 Dec

EZE10:25 p.m.Buenos Aires Ministro Pistarini

14h 58m

1 stop

YYZ11:23 a.m.Toronto Pearson Intl

C$ 1,107

Find similar

Delta

17 Mar

YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl

19h 15m

1 stop

EZE9:00 a.m.Buenos Aires Ministro Pistarini

9 Apr

EZE7:45 a.m.Buenos Aires Ministro Pistarini

28h 59m

2 stops

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,110

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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 2/2

6:00 a.m.-7:20 a.m.

2 stops23h 20m

Buenos Aires Ministro Pistarini

Mon 9/2

11:55 p.m.-9:17 p.m.

2 stops23h 22m

C$ 1,070

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

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

2 stops25h 20m

Buenos Aires Ministro Pistarini

Thu 22/1

10:05 p.m.-9:17 p.m.

2 stops25h 12m

C$ 1,072

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

7:10 a.m.-4:22 a.m.

1 stop19h 12m

Buenos Aires Ministro Pistarini

Mon 1/12

2:15 a.m.-11:43 p.m.

1 stop23h 28m

C$ 1,080

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 2/12

6:35 a.m.-5:50 a.m.

2 stops21h 15m

Buenos Aires Ministro Pistarini

Thu 11/12

7:30 a.m.-10:35 p.m.

1 stop17h 05m

C$ 1,080

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

6:00 a.m.-3:10 p.m.

2 stops32h 10m

Buenos Aires Ministro Pistarini

Tue 31/3

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

1 stop16h 30m

C$ 1,082

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

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

1 stop25h 10m

Buenos Aires Ministro Pistarini

Tue 10/2

11:20 p.m.-3:08 p.m.

2 stops17h 48m

C$ 1,083

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

10:00 p.m.-3:50 p.m.

1 stop15h 50m

Buenos Aires Ministro Pistarini

Mon 23/2

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

1 stop15h 05m

C$ 1,084

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 27/11

8:30 a.m.-1:00 a.m.

1 stop14h 30m

Buenos Aires Ministro Pistarini

Sat 6/12

3:41 a.m.-12:09 a.m.

1 stop22h 28m

C$ 1,087

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$ 1,089

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 16/3

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

3 stops31h 19m

Buenos Aires Ministro Pistarini

Mon 23/3

5:00 p.m.-11:35 p.m.

2 stops31h 35m

C$ 1,094

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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$ 1,097, 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$ 1,280. 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$ 1,288.

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$ 1,243 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	Wed, Fri, 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 Wednesday, Friday, 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 1,876 reviews	Search LATAM Airlines flights
Delta	PriceFrom C$ 700	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 748	Free Cancellation	Rating 7.6 1,565 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 823	Free Cancellation	Rating 7.1 36 reviews	Search Arajet flights
Avianca	PriceFrom C$ 977	Free Cancellation	Rating 6.6 2,476 reviews	Search Avianca flights
American Airlines	PriceFrom C$ 1,002	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 1,068	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,103	Free Cancellation	Rating 7.1 10,448 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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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$ 457

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 28/1. 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

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Air Canada flights from Region of Ontario to Buenos Aires

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

Delta flights from Region of Ontario to Buenos Aires

Our best Delta 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, Arajet, 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