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

United Airlines and Delta 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 16h 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 18h 15m. Keep in mind that layovers or delays could extend your travel time.

Which airlines fly to Buenos Aires?

Air Canada, Avianca and United Airlines are the top three most popular airlines that fly to Buenos Aires from Region of Ontario according to our data. Air Canada is the first choice among our users, with 28% 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.

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 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$ 477 Cheap Flights from Ontario to Buenos Aires in 2026/27

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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.

6:10 a.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 10m1 stop 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$ 1,002Lufthansa

Sat, 28 Nov - Tue, 1 Dec

3:45 p.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

37h 35m1 stop Houston George Bush Intcntl

11:55 p.m. - 11:52 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

25h 57m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

C$ 1,003United Airlines

Thu, 21 Jan - Thu, 28 Jan

6:10 a.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 10m1 stop Houston George Bush Intcntl

11:55 p.m. - 9:24 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

23h 29m2 stops Houston George Bush Intcntl Newark

C$ 1,003United Airlines

Sat, 5 Dec - Wed, 27 Jan

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

15h 40m1 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$ 1,010Copa Airlines

Wed, 17 Feb - Mon, 22 Feb

8:30 a.m. - 4:25 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

17h 55m1 stop Panama City Tocumen Intl

2:45 p.m. - 12:09 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

35h 24m1 stop Panama City Tocumen Intl

C$ 1,011Copa Airlines

Tue, 23 Feb - Sun, 28 Feb

6:00 a.m. - 8:30 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

24h 30m1 stop Dallas/Fort Worth

11:35 p.m. - 11:46 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

26h 11m1 stop Miami

C$ 1,013American Airlines

Thu, 4 Feb - Thu, 18 Feb

6:00 a.m. - 8:30 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

24h 30m1 stop Dallas/Fort Worth

10:10 a.m. - 11:46 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 36m1 stop Miami

C$ 1,013American Airlines

Thu, 4 Feb - Fri, 19 Feb

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

18h 15m1 stop Punta Cana

10:35 a.m. - 11:50 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

14h 15m1 stop Punta Cana

C$ 1,051Arajet

Mon, 15 Mar - Thu, 25 Mar

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

18h 15m1 stop Punta Cana

8:40 a.m. - 11:50 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 10m1 stop Punta Cana

C$ 1,051Arajet

Mon, 15 Mar - Sun, 28 Mar

12:25 p.m. - 9:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 15m1 stop Atlanta Hartsfield-Jackson

12:20 p.m. - 10:39 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

24h 19m1 stop Miami

C$ 1,130Multiple Airlines

Fri, 22 Jan - Tue, 9 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:10 a.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 10m1 stop Houston George Bush Intcntl

10:05 p.m. - 2:17 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

18h 12m1 stop Houston George Bush Intcntl

C$ 1,051Lufthansa

Thu, 12 Nov - Wed, 25 Nov

6:10 a.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 10m1 stop 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$ 1,064United Airlines

Thu, 12 Nov - Wed, 2 Dec

6:10 a.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

23h 10m1 stop Houston George Bush Intcntl

10:05 p.m. - 2:17 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

18h 12m1 stop Houston George Bush Intcntl

C$ 1,064United Airlines

Thu, 12 Nov - Tue, 17 Nov

10:14 a.m. - 9:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

21h 26m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

9:30 p.m. - 8:34 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

25h 04m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

C$ 1,124Delta

Fri, 13 Nov - Fri, 20 Nov

5:25 p.m. - 9:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 15m1 stop Atlanta Hartsfield-Jackson

11:35 p.m. - 5:20 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

19h 45m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 1,126Delta

Fri, 13 Nov - Mon, 30 Nov

3:45 p.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

37h 35m1 stop Houston George Bush Intcntl

11:55 p.m. - 10:37 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

24h 42m1 stop Houston George Bush Intcntl

C$ 1,174Copa Airlines

Wed, 11 Nov - Sat, 21 Nov

12:20 p.m. - 10:55 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

20h 35m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

8:05 p.m. - 4:14 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

22h 09m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

C$ 1,187LATAM Airlines

Fri, 13 Nov - Mon, 30 Nov

3:45 p.m. - 7:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

37h 35m1 stop 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$ 1,205Multiple Airlines

Wed, 11 Nov - Tue, 17 Nov

12:20 p.m. - 9:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 20m1 stop Atlanta Hartsfield-Jackson

8:05 p.m. - 11:19 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 14m1 stop New York John F Kennedy Intl

C$ 1,213LATAM Airlines

Sat, 14 Nov - Sun, 29 Nov

7:50 a.m. - 12:30 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

14h 40m1 stop Bogotá El Dorado

4:50 p.m. - 6:25 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 35m1 stop Bogotá El Dorado

C$ 1,252Avianca

Fri, 13 Nov - Mon, 30 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

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

15h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,373Air Canada

Wed, 7 Apr - Wed, 21 Apr

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$ 1,376Air Canada

Sat, 20 Feb - Wed, 24 Feb

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

15h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,379Air Canada

Tue, 30 Mar - Wed, 28 Apr

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

15h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,517Multiple Airlines

Tue, 6 Apr - Wed, 21 Apr

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$ 1,526Avianca

Tue, 16 Feb - Wed, 24 Feb

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$ 1,528Multiple Airlines

Tue, 13 Apr - Mon, 17 May

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

14h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,530Copa Airlines

Tue, 9 Mar - Wed, 31 Mar

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

14h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,533Multiple Airlines

Tue, 9 Mar - Thu, 1 Apr

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

15h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,589Copa Airlines

Tue, 6 Apr - Thu, 22 Apr

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

14h 30mdirect

4:35 p.m. - 6:50 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

15h 15mdirect

C$ 1,697Avianca

Tue, 9 Mar - Sat, 3 Apr

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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

United Airlines

20 Jan

YYZ6:10 a.m.Toronto Pearson Intl

23h 10m

1 stop

EZE7:20 a.m.Buenos Aires Ministro Pistarini

27 Jan

EZE11:55 p.m.Buenos Aires Ministro Pistarini

23h 29m

2 stops

YYZ9:24 p.m.Toronto Pearson Intl

C$ 1,003

United Airlines

5 Dec

YYZ7:43 a.m.Toronto Pearson Intl

21h 37m

2 stops

EZE7:20 a.m.Buenos Aires Ministro Pistarini

26 Jan

EZE11:55 p.m.Buenos Aires Ministro Pistarini

24h 42m

1 stop

YYZ10:37 p.m.Toronto Pearson Intl

C$ 1,006

United Airlines

4 Dec

YYZ3:45 p.m.Toronto Pearson Intl

15h 35m

1 stop

EZE9:20 a.m.Buenos Aires Ministro Pistarini

26 Jan

EZE11:55 p.m.Buenos Aires Ministro Pistarini

23h 20m

2 stops

YYZ9:15 p.m.Toronto Pearson Intl

C$ 1,013

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

24 Jan

YYZ6:00 a.m.Toronto Pearson Intl

26h 40m

2 stops

EZE10:40 a.m.Buenos Aires Ministro Pistarini

25 Jan

EZE8:05 p.m.Buenos Aires Ministro Pistarini

17h 15m

1 stop

YYZ11:20 a.m.Toronto Pearson Intl

C$ 1,100

LATAM Airlines

22 Nov

YYZ5:25 p.m.Toronto Pearson Intl

14h 15m

1 stop

EZE9:40 a.m.Buenos Aires Ministro Pistarini

29 Nov

EZE8:05 p.m.Buenos Aires Ministro Pistarini

17h 14m

1 stop

YYZ11:19 a.m.Toronto Pearson Intl

C$ 1,131

LATAM Airlines

7 Apr

YYZ6:00 p.m.Toronto Pearson Intl

23h 30m

2 stops

AEP6:30 p.m.Buenos Aires Jorge Newbery

21 Apr

AEP8:05 p.m.Buenos Aires Jorge Newbery

22h 21m

2 stops

YYZ5:26 p.m.Toronto Pearson Intl

C$ 1,163

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

Sat 28/11

6:10 a.m.-7:20 a.m.

1 stop23h 10m

Buenos Aires Ministro Pistarini

Tue 1/12

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

1 stop16h 22m

C$ 1,002

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Thu 21/1

3:45 p.m.-7:20 a.m.

1 stop37h 35m

Buenos Aires Ministro Pistarini

Thu 28/1

11:55 p.m.-11:52 p.m.

2 stops25h 57m

C$ 1,003

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Sat 5/12

6:10 a.m.-7:20 a.m.

1 stop23h 10m

Buenos Aires Ministro Pistarini

Wed 27/1

11:55 p.m.-9:24 p.m.

2 stops23h 29m

C$ 1,003

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Wed 17/2

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

1 stop15h 40m

Buenos Aires Ministro Pistarini

Mon 22/2

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

1 stop16h 59m

C$ 1,010

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Tue 23/2

8:30 a.m.-4:25 a.m.

1 stop17h 55m

Buenos Aires Ministro Pistarini

Sun 28/2

2:45 p.m.-12:09 a.m.

1 stop35h 24m

C$ 1,011

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Thu 4/2

6:00 a.m.-8:30 a.m.

1 stop24h 30m

Buenos Aires Ministro Pistarini

Thu 18/2

11:35 p.m.-11:46 p.m.

1 stop26h 11m

C$ 1,013

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Thu 4/2

6:00 a.m.-8:30 a.m.

1 stop24h 30m

Buenos Aires Ministro Pistarini

Fri 19/2

10:10 a.m.-11:46 p.m.

1 stop15h 36m

C$ 1,013

Quickest round-trip

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

Thu 25/3

10:35 a.m.-11:50 p.m.

1 stop14h 15m

C$ 1,051

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

Sun 28/3

8:40 a.m.-11:50 p.m.

1 stop16h 10m

C$ 1,051

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Fri 22/1

12:25 p.m.-9:40 a.m.

1 stop19h 15m

Buenos Aires Ministro Pistarini

Tue 9/2

12:20 p.m.-10:39 a.m.

1 stop24h 19m

C$ 1,130

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$ 1,212, 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$ 1,212.

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$ 1,419. 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$ 1,998.

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$ 1,313 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$ 1,160 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 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

Best price found	C$ 477
Fastest flight time	13h 40m
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$ 477. The best round-trip flight deal from Region of Ontario to Buenos Aires found on momondo in the last 72 hours is C$ 1,002.

The fastest flight from Region of Ontario to Buenos Aires takes 13h 40m

Direct flights go from Region of Ontario to Buenos Aires on Monday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Air Canada.

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 November 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 84.62% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 7.69% and Airbus A320-100/200 at 7.69%.

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$ 639	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Copa Airlines	PriceFrom C$ 687	Free Cancellation	Rating 7.6 1,555 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 771	Free Cancellation	Rating 6.4 60 reviews	Search Arajet flights
Avianca	PriceFrom C$ 839	Free Cancellation	Rating 6.5 2,550 reviews	Search Avianca flights
American Airlines	PriceFrom C$ 884	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 1,086	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,150	Free Cancellation	Rating 7.1 11,874 reviews	Search Air Canada flights
LATAM Airlines	PriceFrom C$ 1,217	Free Cancellation	Rating 7.4 1,971 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.

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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$ 477

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 23/11. 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

LATAM Airlines flights from Region of Ontario to Buenos Aires

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

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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?

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Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires

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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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