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 35% 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.

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

Arajet, Delta, and Copa Airlines 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 15h 40m 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 21h 40m. 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 September 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$ 336 Cheap Flights from Ontario to Buenos Aires in 2026

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6:45 a.m. - 10:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

14h 20m1 stop Punta Cana

8:40 a.m. - 12:15 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

17h 35m1 stop Punta Cana

C$ 793Arajet

Mon, 26 Oct - Sun, 8 Nov

6:45 a.m. - 10:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-EZE Buenos Aires Ministro Pistarini

14h 20m1 stop Punta Cana

8:40 a.m. - 12:15 a.m.EZE Buenos Aires Ministro Pistarini-YUL Montreal Pierre Elliott Trudeau Intl

17h 35m1 stop Punta Cana

C$ 798Arajet

Mon, 26 Oct - Sun, 8 Nov

6:10 a.m. - 9:00 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

24h 50m1 stop Dallas/Fort Worth

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

15h 27m1 stop Miami

C$ 910American Airlines

Sat, 28 Nov - Thu, 10 Dec

6:10 a.m. - 8:15 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

24h 05m1 stop Dallas/Fort Worth

10:30 p.m. - 4:17 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

19h 47m1 stop Dallas/Fort Worth

C$ 913American Airlines

Tue, 17 Nov - Mon, 7 Dec

6:10 a.m. - 9:00 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

24h 50m1 stop Dallas/Fort Worth

11:35 p.m. - 3:12 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 37m2 stops Miami Charlotte Douglas

C$ 1,067GOL

Sat, 28 Nov - Thu, 10 Dec

5:14 p.m. - 8:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

37h 26m2 stops Washington, D.C. Reagan-National Miami

10:25 p.m. - 1:05 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 40m1 stop Dallas/Fort Worth

C$ 1,069GOL

Thu, 12 Nov - Thu, 26 Nov

6:10 a.m. - 9:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

25h 10m1 stop Houston George Bush Intcntl

11:55 p.m. - 10:18 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

24h 23m1 stop Houston George Bush Intcntl

C$ 1,071United Airlines

Tue, 2 Mar - Tue, 9 Mar

8:35 a.m. - 9:20 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

22h 45m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:55 p.m. - 2:10 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 15m1 stop Houston George Bush Intcntl

C$ 1,071United Airlines

Wed, 3 Mar - Tue, 9 Mar

12:25 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 25m2 stops Atlanta Hartsfield-Jackson Miami

11:35 p.m. - 5:22 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

19h 47m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 1,114Delta

Thu, 4 Mar - Thu, 11 Mar

9:45 a.m. - 7:35 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

19h 50m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

11:35 p.m. - 4:06 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

18h 31m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

C$ 1,114Delta

Thu, 4 Mar - Wed, 10 Mar

Cheap last-minute flights

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

25h 30m1 stop Miami

9:15 p.m. - 1:38 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 23m2 stops New York John F Kennedy Intl Washington, D.C. Reagan-National

C$ 1,040American Airlines

Wed, 16 Sep - Wed, 23 Sep

1:15 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

18h 15m2 stops Chicago O'Hare Intl Miami

9:15 p.m. - 1:38 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 23m2 stops New York John F Kennedy Intl Washington, D.C. Reagan-National

C$ 1,047American Airlines

Wed, 16 Sep - Wed, 23 Sep

3:53 p.m. - 8:00 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

15h 07m1 stop Houston George Bush Intcntl

9:00 p.m. - 2:24 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

18h 24m1 stop Houston George Bush Intcntl

C$ 1,074United Airlines

Tue, 15 Sep - Mon, 21 Sep

8:50 a.m. - 8:00 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

22h 10m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

9:00 p.m. - 3:46 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

19h 46m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 1,074United Airlines

Tue, 15 Sep - Tue, 22 Sep

8:30 a.m. - 4:21 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

18h 51m1 stop Panama City Tocumen Intl

8:59 a.m. - 1:13 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 14m1 stop Panama City Tocumen Intl

C$ 1,101Copa Airlines

Thu, 17 Sep - Fri, 2 Oct

8:30 a.m. - 4:21 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

18h 51m1 stop Panama City Tocumen Intl

8:59 a.m. - 1:13 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

17h 14m1 stop Panama City Tocumen Intl

C$ 1,101Copa Airlines

Thu, 17 Sep - Sat, 3 Oct

12:08 p.m. - 9:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

20h 32m2 stops Detroit Metropolitan Wayne County Miami

8:10 p.m. - 11:18 a.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

16h 08m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 1,130Delta

Mon, 14 Sep - Wed, 23 Sep

4:05 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

16h 40m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

8:10 p.m. - 1:34 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

18h 24m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 1,130Delta

Tue, 15 Sep - Wed, 23 Sep

11:38 a.m. - 9:40 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

21h 02m2 stops Atlanta Hartsfield-Jackson Miami

1:10 p.m. - 12:19 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

24h 09m2 stops Miami Atlanta Hartsfield-Jackson

C$ 1,151LATAM Airlines

Mon, 14 Sep - Sun, 20 Sep

12:15 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-EZE Buenos Aires Ministro Pistarini

20h 30m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

1:10 p.m. - 5:18 p.m.EZE Buenos Aires Ministro Pistarini-YYZ Toronto Pearson Intl

29h 08m2 stops Miami Atlanta Hartsfield-Jackson

C$ 1,168LATAM Airlines

Wed, 16 Sep - Sat, 26 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

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$ 1,265Multiple Airlines

Fri, 22 Jan - Mon, 1 Feb

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

15h 30mdirect

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

15h 05mdirect

C$ 1,440Air Canada

Wed, 23 Sep - Sun, 15 Nov

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

15h 30mdirect

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

15h 05mdirect

C$ 1,448Air Canada

Wed, 23 Sep - Sun, 15 Nov

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$ 1,458Azul

Sat, 16 Jan - Wed, 27 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$ 1,463Azul

Sun, 10 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$ 1,502Air Canada

Fri, 12 Feb - Sun, 21 Feb

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

14h 30mdirect

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

14h 55mdirect

C$ 1,628Avianca

Fri, 5 Mar - Mon, 8 Mar

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

14h 30mdirect

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

14h 55mdirect

C$ 1,628Avianca

Tue, 2 Mar - Fri, 12 Mar

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

16h 05mdirect

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

14h 55mdirect

C$ 1,628Copa Airlines

Wed, 3 Mar - Fri, 12 Mar

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

16h 05mdirect

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

14h 55mdirect

C$ 1,633Copa Airlines

Wed, 3 Mar - Fri, 12 Mar

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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

Arajet

26 Oct

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

14h 20m

1 stop

EZE10:05 p.m.Buenos Aires Ministro Pistarini

8 Nov

EZE8:40 a.m.Buenos Aires Ministro Pistarini

17h 35m

1 stop

YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 798

Arajet

26 Oct

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

14h 20m

1 stop

EZE10:05 p.m.Buenos Aires Ministro Pistarini

19 Nov

EZE11:00 a.m.Buenos Aires Ministro Pistarini

15h 15m

1 stop

YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 875

Arajet

26 Oct

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

14h 20m

1 stop

EZE10:05 p.m.Buenos Aires Ministro Pistarini

8 Nov

EZE8:40 a.m.Buenos Aires Ministro Pistarini

17h 35m

1 stop

YUL12:15 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 900

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

28 Nov

YYZ6:10 a.m.Toronto Pearson Intl

24h 50m

1 stop

EZE9:00 a.m.Buenos Aires Ministro Pistarini

10 Dec

EZE10:10 a.m.Buenos Aires Ministro Pistarini

15h 27m

1 stop

YYZ11:37 p.m.Toronto Pearson Intl

C$ 910

American Airlines

17 Nov

YYZ6:10 a.m.Toronto Pearson Intl

24h 05m

1 stop

EZE8:15 a.m.Buenos Aires Ministro Pistarini

7 Dec

EZE10:30 p.m.Buenos Aires Ministro Pistarini

19h 47m

1 stop

YYZ4:17 p.m.Toronto Pearson Intl

C$ 913

American Airlines

17 Nov

YYZ6:10 a.m.Toronto Pearson Intl

24h 05m

1 stop

EZE8:15 a.m.Buenos Aires Ministro Pistarini

7 Dec

EZE10:30 p.m.Buenos Aires Ministro Pistarini

19h 47m

1 stop

YYZ4:17 p.m.Toronto Pearson Intl

C$ 914

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

Quickest round-trip

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

6:45 a.m.-10:05 p.m.

1 stop14h 20m

Buenos Aires Ministro Pistarini

Sun 8/11

8:40 a.m.-12:15 a.m.

1 stop17h 35m

C$ 793

MontrealBuenos Aires

YUL Montreal Pierre Elliott Trudeau Intl - EZE Buenos Aires Ministro Pistarini

YULEZE

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

6:45 a.m.-10:05 p.m.

1 stop14h 20m

Buenos Aires Ministro Pistarini

Sun 8/11

8:40 a.m.-12:15 a.m.

1 stop17h 35m

C$ 798

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Sat 28/11

6:10 a.m.-9:00 a.m.

1 stop24h 50m

Buenos Aires Ministro Pistarini

Thu 10/12

10:10 a.m.-11:37 p.m.

1 stop15h 27m

C$ 910

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Tue 17/11

6:10 a.m.-8:15 a.m.

1 stop24h 05m

Buenos Aires Ministro Pistarini

Mon 7/12

10:30 p.m.-4:17 p.m.

1 stop19h 47m

C$ 913

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Sat 28/11

6:10 a.m.-9:00 a.m.

1 stop24h 50m

Buenos Aires Ministro Pistarini

Thu 10/12

11:35 p.m.-3:12 p.m.

2 stops17h 37m

C$ 1,067

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Thu 12/11

5:14 p.m.-8:40 a.m.

2 stops37h 26m

Buenos Aires Ministro Pistarini

Thu 26/11

10:25 p.m.-1:05 p.m.

1 stop16h 40m

C$ 1,069

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Tue 2/3

6:10 a.m.-9:20 a.m.

1 stop25h 10m

Buenos Aires Ministro Pistarini

Tue 9/3

11:55 p.m.-10:18 p.m.

1 stop24h 23m

C$ 1,071

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Wed 3/3

8:35 a.m.-9:20 a.m.

2 stops22h 45m

Buenos Aires Ministro Pistarini

Tue 9/3

11:55 p.m.-2:10 p.m.

1 stop16h 15m

C$ 1,071

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Thu 4/3

12:25 p.m.-9:50 a.m.

2 stops19h 25m

Buenos Aires Ministro Pistarini

Thu 11/3

11:35 p.m.-5:22 p.m.

2 stops19h 47m

C$ 1,114

TorontoBuenos Aires

YYZ Toronto Pearson Intl - EZE Buenos Aires Ministro Pistarini

YYZEZE

Toronto Pearson Intl

Thu 4/3

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

2 stops19h 50m

Buenos Aires Ministro Pistarini

Wed 10/3

11:35 p.m.-4:06 p.m.

2 stops18h 31m

C$ 1,114

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 November. Flight prices, which tend to average around C$ 1,164, are often lower during this time because this is during the off-season. If you’re not able to fly to Buenos Aires in November, then October is your next best option. Flight prices from Region of Ontario to Buenos Aires during October average around C$ 1,179.

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 Wednesday when prices can be found for as low as C$ 1,412. 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$ 1,962.

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$ 1,244 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$ 1,075 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$ 336
Fastest flight time	13h 55m
Direct flights	Mon, Wed, Thu, 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$ 336. The best round-trip flight deal from Region of Ontario to Buenos Aires found on momondo in the last 72 hours is C$ 793.

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, 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

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 September 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 78.95% of all bookings. The subsequent popular models are Airbus A320-100/200 at 15.79% and Boeing 787 Dreamliner at 5.26%.

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
Copa Airlines	PriceFrom C$ 728	Free Cancellation	Rating 7.6 1,542 reviews	Search Copa Airlines flights
Arajet	PriceFrom C$ 757	Free Cancellation	Rating 6.1 54 reviews	Search Arajet flights
Delta	PriceFrom C$ 795	Free Cancellation	Rating 7.8 8,565 reviews	Search Delta flights
Avianca	PriceFrom C$ 824	Free Cancellation	Rating 6.5 2,552 reviews	Search Avianca flights
American Airlines	PriceFrom C$ 868	Free Cancellation	Rating 7.1 12,051 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 1,056	Free Cancellation	Rating 7.4 10,215 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 1,100	Free Cancellation	Rating 7.1 11,620 reviews	Search Air Canada flights
LATAM Airlines	PriceFrom C$ 1,195	Free Cancellation	Rating 7.4 1,981 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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Cheap flights from Ontario to Buenos Aires from C$ 336

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 26/10. 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

American Airlines flights from Region of Ontario to Buenos Aires

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

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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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