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

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

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 34% 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.

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 25m 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 19h 55m. 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 May 2026, 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.

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 May 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$ 442 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.

8:30 a.m. - 4:15 a.m.

YYZ

EZE

18h 45m

1 stop

9:02 a.m. - 1:13 a.m.

EZE

YYZ

17h 11m

1 stop

C$ 692Copa Airlines

Thu, 4 Jun - Wed, 17 Jun

8:30 a.m. - 7:51 a.m.

YYZ

EZE

22h 21m

1 stop

5:25 a.m. - 1:28 p.m.

EZE

YYZ

33h 03m

1 stop

C$ 732Copa Airlines

Mon, 8 Jun - Wed, 24 Jun

7:10 a.m. - 8:50 a.m.

YUL

EZE

24h 40m

1 stop

10:05 p.m. - 2:44 p.m.

EZE

YUL

17h 39m

1 stop

C$ 766American Airlines

Thu, 18 Jun - Mon, 29 Jun

6:10 a.m. - 8:30 a.m.

YYZ

EZE

24h 20m

1 stop

10:30 p.m. - 4:18 p.m.

EZE

YYZ

19h 48m

1 stop

C$ 766American Airlines

Tue, 17 Nov - Tue, 24 Nov

7:00 a.m. - 1:08 a.m.

YUL

EZE

17h 08m

2 stops

9:15 a.m. - 12:20 a.m.

EZE

YUL

16h 05m

1 stop

C$ 825Multiple Airlines

Mon, 7 Sep - Tue, 29 Sep

7:30 p.m. - 8:00 a.m.

YOW

EZE

35h 30m

2 stops

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

EZE

YOW

38h 03m

2 stops

C$ 1,128United Airlines

Mon, 8 Jun - Thu, 11 Jun

6:05 a.m. - 8:00 a.m.

YOW

EZE

24h 55m

2 stops

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

EZE

YOW

38h 03m

2 stops

C$ 1,129United Airlines

Mon, 8 Jun - Thu, 11 Jun

7:45 a.m. - 6:25 p.m.

YYZ

AEP

33h 40m

2 stops

12:55 p.m. - 5:39 p.m.

AEP

YYZ

29h 44m

2 stops

C$ 1,137LATAM Airlines

Tue, 9 Jun - Thu, 18 Jun

7:45 a.m. - 6:25 p.m.

YYZ

AEP

33h 40m

2 stops

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

AEP

YYZ

28h 00m

2 stops

C$ 1,140LATAM Airlines

Tue, 16 Jun - Wed, 24 Jun

8:30 a.m. - 7:14 p.m.

YYZ

AEP

33h 44m

3 stops

5:27 a.m. - 1:28 p.m.

AEP

YYZ

33h 01m

2 stops

C$ 1,152Multiple Airlines

Mon, 8 Jun - Wed, 24 Jun

United Airlines flights from Region of Ontario to Buenos Aires

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

United Airlines

17 Jun

YYZ8:45 a.m.Toronto Pearson Intl

22h 15m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

24 Jun

EZE9:00 p.m.Buenos Aires Ministro Pistarini

24h 44m

2 stops

YYZ8:44 p.m.Toronto Pearson Intl

C$ 996

United Airlines

8 Jun

YOW7:30 p.m.Ottawa

35h 30m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

11 Jun

EZE9:00 p.m.Buenos Aires Ministro Pistarini

38h 03m

2 stops

YOW10:03 a.m.Ottawa

C$ 1,128

United Airlines

8 Jun

YOW6:05 a.m.Ottawa

24h 55m

2 stops

EZE8:00 a.m.Buenos Aires Ministro Pistarini

11 Jun

EZE9:00 p.m.Buenos Aires Ministro Pistarini

38h 03m

2 stops

YOW10:03 a.m.Ottawa

C$ 1,129

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

4 Jun

YYZ8:30 a.m.Toronto Pearson Intl

18h 45m

1 stop

EZE4:15 a.m.Buenos Aires Ministro Pistarini

17 Jun

EZE9:02 a.m.Buenos Aires Ministro Pistarini

17h 11m

1 stop

YYZ1:13 a.m.Toronto Pearson Intl

C$ 692

Copa Airlines

11 Jun

YYZ8:30 a.m.Toronto Pearson Intl

18h 45m

1 stop

EZE4:15 a.m.Buenos Aires Ministro Pistarini

25 Jun

EZE5:25 a.m.Buenos Aires Ministro Pistarini

20h 48m

1 stop

YYZ1:13 a.m.Toronto Pearson Intl

C$ 694

Copa Airlines

8 Jun

YYZ8:30 a.m.Toronto Pearson Intl

22h 21m

1 stop

EZE7:51 a.m.Buenos Aires Ministro Pistarini

24 Jun

EZE5:25 a.m.Buenos Aires Ministro Pistarini

33h 03m

1 stop

YYZ1:28 p.m.Toronto Pearson Intl

C$ 732

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 4/6

8:30 a.m.-4:15 a.m.

1 stop18h 45m

Buenos Aires Ministro Pistarini

Wed 17/6

9:02 a.m.-1:13 a.m.

1 stop17h 11m

C$ 692

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Mon 8/6

8:30 a.m.-7:51 a.m.

1 stop22h 21m

Buenos Aires Ministro Pistarini

Wed 24/6

5:25 a.m.-1:28 p.m.

1 stop33h 03m

C$ 732

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

7:10 a.m.-8:50 a.m.

1 stop24h 40m

Buenos Aires Ministro Pistarini

Mon 29/6

10:05 p.m.-2:44 p.m.

1 stop17h 39m

C$ 766

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 17/11

6:10 a.m.-8:30 a.m.

1 stop24h 20m

Buenos Aires Ministro Pistarini

Tue 24/11

10:30 p.m.-4:18 p.m.

1 stop19h 48m

C$ 766

Quickest round-trip

MontrealBuenos Aires

YUL - EZE

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

7:00 a.m.-1:08 a.m.

2 stops17h 08m

Buenos Aires Ministro Pistarini

Tue 29/9

9:15 a.m.-12:20 a.m.

1 stop16h 05m

C$ 825

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 8/6

7:30 p.m.-8:00 a.m.

2 stops35h 30m

Buenos Aires Ministro Pistarini

Thu 11/6

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

2 stops38h 03m

C$ 1,128

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Mon 8/6

6:05 a.m.-8:00 a.m.

2 stops24h 55m

Buenos Aires Ministro Pistarini

Thu 11/6

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

2 stops38h 03m

C$ 1,129

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Tue 9/6

7:45 a.m.-6:25 p.m.

2 stops33h 40m

Buenos Aires Jorge Newbery

Thu 18/6

12:55 p.m.-5:39 p.m.

2 stops29h 44m

C$ 1,137

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Tue 16/6

7:45 a.m.-6:25 p.m.

2 stops33h 40m

Buenos Aires Jorge Newbery

Wed 24/6

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

2 stops28h 00m

C$ 1,140

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Mon 8/6

8:30 a.m.-7:14 p.m.

3 stops33h 44m

Buenos Aires Jorge Newbery

Wed 24/6

5:27 a.m.-1:28 p.m.

2 stops33h 01m

C$ 1,152

Flights are sorted by cheapest round-trip flights first.

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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 June. Flight prices, which tend to average around C$ 234, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in June, then October is your next best option. Flight prices from Region of Ontario to Buenos Aires during October average around C$ 250.

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 from Ontario 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$ 1,227 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$ 956 on momondo.

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

There are 3 cabin classes available to choose from on Region of 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 13% 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 11m
Direct flights	Mon, Wed, Thu, Fri and Sat
Airports in Buenos Aires	2 airports

The fastest flight from Region of Ontario to Buenos Aires takes 14h 11m

Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, 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

Frequently asked questions about flying 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 May 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 75.00% of all bookings. The subsequent popular model is Boeing 787 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 7.4 1,918 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom C$ 592	Free Cancellation	Rating 7.4 9,752 reviews	Search United Airlines flights
Copa Airlines	PriceFrom C$ 748	Free Cancellation	Rating 7.5 1,575 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 784	Free Cancellation	Rating 6.5 48 reviews	Search Arajet flights
Delta	PriceFrom C$ 792	Free Cancellation	Rating 7.9 8,445 reviews	Search Delta flights
Avianca	PriceFrom C$ 964	Free Cancellation	Rating 6.5 2,527 reviews	Search Avianca flights
Air Canada	PriceFrom C$ 1,087	Free Cancellation	Rating 7.1 11,078 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.

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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$ 442

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 3/6. 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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United Airlines flights from Region of Ontario to Buenos Aires

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

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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 from Ontario to Buenos Aires?

What cabin class options are available on Region of 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

Fastest flight time

Direct flights

Airports in Buenos Aires

Frequently asked questions about flying from 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?

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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