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

United Airlines, Delta, and Azul are the most popular carriers operating from Ontario to Buenos Aires

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 36% 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 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 45m 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 35m. 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 October 2026, 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$ 474 Cheap Flights from Ontario to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

10:59 a.m. - 8:10 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 11m2 stops Philadelphia Miami

10:30 p.m. - 1:11 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 41m1 stop Dallas/Fort Worth

C$ 982American Airlines

Fri, 8 Jan - Fri, 5 Mar

7:26 p.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

33h 54m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:55 p.m. - 2:17 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 22m1 stop Houston George Bush Intcntl

C$ 982United Airlines

Mon, 16 Nov - Sat, 5 Dec

9:44 a.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 36m2 stops Newark Houston George Bush Intcntl

11:55 p.m. - 10:38 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

24h 43m1 stop Houston George Bush Intcntl

C$ 982United Airlines

Tue, 17 Nov - Sat, 5 Dec

6:30 a.m. - 10:10 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 40m1 stop Punta Cana

11:05 p.m. - 11:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

13h 45m1 stop Punta Cana

C$ 985Arajet

Wed, 17 Mar - Fri, 26 Mar

10:59 a.m. - 8:10 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 11m2 stops Philadelphia Miami

10:30 p.m. - 1:11 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 41m1 stop Dallas/Fort Worth

C$ 985American Airlines

Fri, 8 Jan - Fri, 5 Mar

8:30 a.m. - 2:10 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

15h 40m1 stop Panama City Tocumen Intl

2:02 a.m. - 12:09 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

24h 07m1 stop Panama City Tocumen Intl

C$ 994Copa Airlines

Fri, 15 Jan - Mon, 18 Jan

6:30 a.m. - 1:45 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

18h 15m1 stop Punta Cana

11:00 a.m. - 11:50 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

13h 50m1 stop Punta Cana

C$ 999Arajet

Mon, 15 Mar - Tue, 16 Mar

10:53 a.m. - 9:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

20h 27m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:55 p.m. - 6:45 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

20h 50m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 1,056Lufthansa

Fri, 13 Nov - Thu, 26 Nov

8:30 a.m. - 12:52 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 22m1 stop Panama City Tocumen Intl

9:10 a.m. - 12:09 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 59m1 stop Panama City Tocumen Intl

C$ 1,088Copa Airlines

Wed, 18 Nov - Tue, 24 Nov

12:00 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 50m1 stop Miami

12:20 p.m. - 10:40 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

23h 20m1 stop Miami

C$ 1,116Multiple Airlines

Fri, 5 Mar - Mon, 15 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:40 p.m. - 1:25 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 45m2 stops Bogotá El Dorado Medellín Jose Maria Cordova Intl

4:50 p.m. - 10:20 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

31h 30m1 stop Bogotá El Dorado

C$ 1,358Avianca

Wed, 4 Nov - Wed, 11 Nov

11:40 p.m. - 1:25 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 45m2 stops Bogotá El Dorado Medellín Jose Maria Cordova Intl

4:50 p.m. - 2:10 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

23h 20m2 stops Bogotá El Dorado San Salvador El Salvador Intl

C$ 1,369Avianca

Wed, 4 Nov - Wed, 11 Nov

6:30 a.m. - 12:05 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Punta Cana

5:16 a.m. - 12:09 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

20h 53m1 stop Panama City Tocumen Intl

C$ 1,421Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

7:50 a.m. - 5:40 a.m.YYZ Toronto Pearson Intl-AEP Buenos Aires Jorge Newbery

19h 50m1 stop Bogotá El Dorado

7:05 a.m. - 10:20 p.m.AEP Buenos Aires Jorge Newbery-YYZ Toronto Pearson Intl

17h 15m1 stop Bogotá El Dorado

C$ 1,443Avianca

Wed, 4 Nov - Wed, 11 Nov

6:33 p.m. - 4:00 p.m.YYZ Toronto Pearson Intl-AEP Buenos Aires Jorge Newbery

19h 27m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

5:35 p.m. - 5:14 p.m.AEP Buenos Aires Jorge Newbery-YYZ Toronto Pearson Intl

25h 39m2 stops Lima J Chavez Intl New York John F Kennedy Intl

C$ 1,492Delta

Wed, 4 Nov - Wed, 11 Nov

6:30 a.m. - 12:05 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Punta Cana

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05m1 stop Sao Paulo Guarulhos Intl

C$ 1,540Multiple Airlines

Wed, 4 Nov - Wed, 18 Nov

6:30 a.m. - 12:05 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Punta Cana

4:45 p.m. - 12:46 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

22h 01m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,544Multiple Airlines

Wed, 4 Nov - Wed, 18 Nov

12:15 p.m. - 4:00 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

25h 45m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

9:30 p.m. - 1:24 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 54m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

C$ 2,038Delta

Thu, 5 Nov - Fri, 13 Nov

12:15 p.m. - 4:00 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

26h 45m2 stops New York John F Kennedy Intl Sao Paulo Guarulhos Intl

9:30 p.m. - 5:14 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

21h 44m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

C$ 2,330LATAM Airlines

Sat, 31 Oct - Sun, 22 Nov

12:15 p.m. - 10:18 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

21h 03m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

9:30 p.m. - 5:14 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

21h 44m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

C$ 2,399LATAM Airlines

Sat, 31 Oct - Sun, 22 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

9:00 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

16h 05mdirect

4:50 p.m. - 6:45 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

14h 55mdirect

C$ 1,204Air Canada

Wed, 3 Mar - Wed, 24 Mar

9:00 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

16h 05mdirect

4:50 p.m. - 6:45 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

14h 55mdirect

C$ 1,206Air Canada

Wed, 3 Mar - Wed, 24 Mar

10:00 p.m. - 2:30 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

15h 30mdirect

4:35 p.m. - 6:45 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 10mdirect

C$ 1,206Air Canada

Sun, 25 Apr - Mon, 10 May

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 1,399Copa Airlines

Tue, 19 Jan - Fri, 22 Jan

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 1,399Copa Airlines

Tue, 19 Jan - Mon, 25 Jan

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 1,399Multiple Airlines

Tue, 19 Jan - Sun, 24 Jan

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 1,463Multiple Airlines

Sun, 17 Jan - Sun, 24 Jan

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 1,463Copa Airlines

Sun, 17 Jan - Fri, 22 Jan

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 1,473Avianca

Fri, 15 Jan - Sun, 24 Jan

10:35 p.m. - 3:05 p.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 30mdirect

4:45 p.m. - 5:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 05mdirect

C$ 2,123Avianca

Tue, 17 Nov - Mon, 23 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

17 Nov

YYZ1:17 p.m.Toronto Pearson Intl

18h 43m

2 stops

EZE10:00 a.m.Buenos Aires Ministro Pistarini

7 Dec

EZE11:59 p.m.Buenos Aires Ministro Pistarini

19h 15m

2 stops

YYZ5:14 p.m.Toronto Pearson Intl

C$ 990

American Airlines

11 Jan

YYZ7:00 a.m.Toronto Pearson Intl

23h 10m

1 stop

EZE8:10 a.m.Buenos Aires Ministro Pistarini

26 Jan

EZE11:59 p.m.Buenos Aires Ministro Pistarini

19h 03m

2 stops

YYZ5:02 p.m.Toronto Pearson Intl

C$ 1,066

American Airlines

17 Nov

YYZ10:59 a.m.Toronto Pearson Intl

19h 16m

2 stops

EZE8:15 a.m.Buenos Aires Ministro Pistarini

6 Dec

EZE11:35 p.m.Buenos Aires Ministro Pistarini

19h 39m

2 stops

YYZ5:14 p.m.Toronto Pearson Intl

C$ 1,073

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

16 Nov

YYZ7:26 p.m.Toronto Pearson Intl

33h 54m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

5 Dec

EZE11:55 p.m.Buenos Aires Ministro Pistarini

16h 22m

1 stop

YYZ2:17 p.m.Toronto Pearson Intl

C$ 982

United Airlines

17 Nov

YYZ9:44 a.m.Toronto Pearson Intl

19h 36m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

5 Dec

EZE11:55 p.m.Buenos Aires Ministro Pistarini

24h 43m

1 stop

YYZ10:38 p.m.Toronto Pearson Intl

C$ 985

United Airlines

12 Nov

YYZ3:45 p.m.Toronto Pearson Intl

15h 35m

1 stop

EZE9:20 a.m.Buenos Aires Ministro Pistarini

23 Nov

EZE11:55 p.m.Buenos Aires Ministro Pistarini

24h 42m

1 stop

YYZ10:37 p.m.Toronto Pearson Intl

C$ 989

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

Cheapest round-trip

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Fri 8/1

10:59 a.m.-8:10 a.m.

2 stops19h 11m

Buenos Aires Ministro Pistarini

Fri 5/3

10:30 p.m.-1:11 p.m.

1 stop16h 41m

C$ 982

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Mon 16/11

7:26 p.m.-7:20 a.m.

2 stops33h 54m

Buenos Aires Ministro Pistarini

Sat 5/12

11:55 p.m.-2:17 p.m.

1 stop16h 22m

C$ 982

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Tue 17/11

9:44 a.m.-7:20 a.m.

2 stops19h 36m

Buenos Aires Ministro Pistarini

Sat 5/12

11:55 p.m.-10:38 p.m.

1 stop24h 43m

C$ 982

Quickest round-trip

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Wed 17/3

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

1 stop14h 40m

Buenos Aires Ministro Pistarini

Fri 26/3

11:05 p.m.-11:50 a.m.

1 stop13h 45m

C$ 985

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Fri 8/1

10:59 a.m.-8:10 a.m.

2 stops19h 11m

Buenos Aires Ministro Pistarini

Fri 5/3

10:30 p.m.-1:11 p.m.

1 stop16h 41m

C$ 985

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Fri 15/1

8:30 a.m.-2:10 a.m.

1 stop15h 40m

Buenos Aires Ministro Pistarini

Mon 18/1

2:02 a.m.-12:09 a.m.

1 stop24h 07m

C$ 994

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Mon 15/3

6:30 a.m.-1:45 a.m.

1 stop18h 15m

Buenos Aires Ministro Pistarini

Tue 16/3

11:00 a.m.-11:50 p.m.

1 stop13h 50m

C$ 999

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Fri 13/11

10:53 a.m.-9:20 a.m.

2 stops20h 27m

Buenos Aires Ministro Pistarini

Thu 26/11

11:55 p.m.-6:45 p.m.

2 stops20h 50m

C$ 1,056

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Wed 18/11

8:30 a.m.-12:52 a.m.

1 stop14h 22m

Buenos Aires Ministro Pistarini

Tue 24/11

9:10 a.m.-12:09 a.m.

1 stop16h 59m

C$ 1,088

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Fri 5/3

12:00 p.m.-9:50 a.m.

1 stop19h 50m

Buenos Aires Ministro Pistarini

Mon 15/3

12:20 p.m.-10:40 a.m.

1 stop23h 20m

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 August. Flight prices, which tend to average around C$ 1,200, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in August, then June is your next best option. Flight prices from Region of Ontario to Buenos Aires during June average around C$ 1,200.

What is the cheapest day to depart on your flight to Buenos Aires?

The cheapest day to depart on your flight to Buenos Aires is on a Monday when prices can be found for as low as C$ 1,405. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Buenos Aires for around C$ 1,978.

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$ 1,281 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$ 1,143 on momondo.

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

There is only 1 cabin class 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 11% 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$ 474
Fastest flight time	13h 55m
Direct flights	Mon, Wed, Fri, Sat and Sun
Airports in Buenos Aires	2 airports

The best one-way flight to Buenos Aires from Region of Ontario in the past 72 hours is C$ 474. The best round-trip flight deal from Region of Ontario to Buenos Aires found on momondo in the last 72 hours is C$ 982.

The fastest flight from Region of Ontario to Buenos Aires takes 13h 55m

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

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 October 2026, 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 787-9 Dreamliner, representing 76.47% of all bookings. The subsequent popular models are Airbus A320-100/200 at 17.65% and Boeing 787 Dreamliner at 5.88%.

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
Delta	PriceFrom C$ 633	Free Cancellation	Rating 7.8 8,693 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 680	Free Cancellation	Rating 7.6 1,553 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 763	Free Cancellation	Rating 6.4 59 reviews	Search Arajet flights
Avianca	PriceFrom C$ 830	Free Cancellation	Rating 6.5 2,549 reviews	Search Avianca flights
American Airlines	PriceFrom C$ 876	Free Cancellation	Rating 7.0 12,208 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 1,090	Free Cancellation	Rating 7.3 10,454 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,139	Free Cancellation	Rating 7.1 11,832 reviews	Search Air Canada flights
LATAM Airlines	PriceFrom C$ 1,205	Free Cancellation	Rating 7.4 1,970 reviews	Search LATAM 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 29/11

Sun 6/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Nearby airports

Airlines

Cabin classes

Other Argentina destinations

Other flights from Ontario

Complete your trip

Feeling lucky

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$ 474

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 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

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

American Airlines flights from Region of Ontario to Buenos Aires

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

United Airlines flights from Region of Ontario to Buenos Aires

Our best United 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 day to depart on your flight 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 long does it take to fly to Buenos Aires?

Cheap Region of Ontario to Buenos Aires flight deals and tips

Best price found

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.

Popular Cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Ontario

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year