Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Buenos Aires from C$ 395

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BUE
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Buenos Aires
Explore the most affordable flight options available from Ontario to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 February 2026.

Wed 28/102:30 p.m.
YYZ
-
EZE
1 stop18h 45m
LATAM Airlines
Sun 1/1112:15 p.m.
EZE
-
YYZ
2 stops30h 36m
LATAM Airlines
Deal found 31/1C$ 888
Wed 23/96:30 a.m.
YYZ
-
EZE
1 stop16h 35m
Arajet
Fri 2/109:15 p.m.
EZE
-
YYZ
1 stop14h 35m
Arajet
Deal found 31/1C$ 1,013
Sun 8/312:55 a.m.
YYZ
-
EZE
1 stop13h 55m
Avianca
Tue 24/37:30 a.m.
EZE
-
YYZ
1 stop17h 05m
Avianca
Deal found 2/2C$ 1,015
Tue 17/36:14 p.m.
YYZ
-
EZE
1 stop15h 01m
LATAM Airlines
Tue 24/37:04 p.m.
EZE
-
YYZ
2 stops22h 56m
LATAM Airlines
Deal found 2/2C$ 1,016
Mon 16/312:55 a.m.
YYZ
-
EZE
1 stop13h 55m
Avianca
Tue 24/37:30 a.m.
EZE
-
YYZ
1 stop17h 05m
Avianca
Deal found 1/2C$ 1,017
Wed 18/38:55 a.m.
YYZ
-
EZE
1 stop19h 55m
Avianca
Wed 25/37:30 a.m.
EZE
-
YYZ
1 stop17h 05m
Avianca
Deal found 1/2C$ 1,024
Sun 15/312:55 a.m.
YYZ
-
EZE
1 stop13h 55m
Avianca
Mon 23/37:30 a.m.
EZE
-
YYZ
1 stop17h 05m
Avianca
Deal found 2/2C$ 1,032
Wed 21/106:30 a.m.
YYZ
-
EZE
1 stop16h 35m
Arajet
Fri 30/109:15 p.m.
EZE
-
YYZ
1 stop14h 35m
Arajet
Deal found 31/1C$ 1,035
Sun 22/38:55 a.m.
YYZ
-
AEP
1 stop19h 45m
Avianca
Sun 29/37:00 a.m.
AEP
-
YYZ
1 stop17h 30m
Avianca
Deal found 2/2C$ 1,037
Fri 10/49:05 a.m.
YYZ
-
EZE
1 stop14h 20m
Avianca
Fri 17/47:10 a.m.
EZE
-
YYZ
1 stop17h 20m
Avianca
Deal found 1/2C$ 1,039
Fri 15/59:05 a.m.
YYZ
-
AEP
1 stop19h 35m
Avianca
Mon 18/57:00 a.m.
AEP
-
YYZ
1 stop17h 30m
Avianca
Deal found 2/2C$ 1,045
Mon 6/412:55 a.m.
YYZ
-
EZE
1 stop22h 30m
Avianca
Tue 21/47:10 a.m.
EZE
-
YYZ
1 stop17h 20m
Avianca
Deal found 1/2C$ 1,045

Find flight deals from Ontario to Buenos Aires

Keep the following information in mind while searching for Ontario to Buenos Aires flight deals. Data was last updated 3 February 2026.

Round-trip from

C$ 1,015

One-way from

C$ 395

Popular in

December

Cheapest in

September

Average price

C$ 1,250
Avianca
  • Avianca
  • 8/3-24/3
  • 2 total stops
  • 31h 00m total
  • Ontario to Buenos Aires
Search Deals
13/6
  • 13/6
  • 2 total stops
  • 21h 20m total
  • Ontario to Buenos Aires
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Ontario to Buenos Aires that are best for you.

Fly from

Ontario

Fly to

Buenos Aires

Route

Depart

Return

Price

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 8/3

12:55 a.m.-3:50 p.m.

1 stop13h 55m

Buenos Aires Ministro Pistarini

Tue 24/3

7:30 a.m.-11:35 p.m.

1 stop17h 05m

C$ 1,015

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Sun 22/3

8:55 a.m.-5:50 a.m.

1 stop19h 55m

Buenos Aires Ministro Pistarini

Sun 29/3

7:10 a.m.-11:30 p.m.

1 stop17h 20m

C$ 1,016

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Sun 22/3

8:55 a.m.-5:40 a.m.

1 stop19h 45m

Buenos Aires Jorge Newbery

Sun 29/3

7:00 a.m.-11:30 p.m.

1 stop17h 30m

C$ 1,037

TorontoBuenos Aires

YYZ - AEP

YYZAEP

Toronto Pearson Intl

Mon 27/4

12:55 a.m.-5:40 a.m.

1 stop27h 45m

Buenos Aires Jorge Newbery

Tue 12/5

7:00 a.m.-11:30 p.m.

1 stop17h 30m

C$ 1,076

OttawaBuenos Aires

YOW - EZE

YOWEZE

Ottawa

Wed 15/4

3:10 p.m.-8:00 a.m.

3 stops39h 50m

Buenos Aires Ministro Pistarini

Wed 29/4

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

2 stops38h 03m

C$ 1,087

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 13/5

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

2 stops24h 00m

Buenos Aires Ministro Pistarini

Wed 20/5

9:00 p.m.-5:55 p.m.

2 stops21h 55m

C$ 1,087

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Tue 12/5

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

2 stops18h 00m

Buenos Aires Ministro Pistarini

Tue 26/5

9:00 p.m.-5:55 p.m.

2 stops21h 55m

C$ 1,087

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 25/3

10:51 a.m.-6:20 a.m.

2 stops18h 29m

Buenos Aires Ministro Pistarini

Wed 8/4

9:00 p.m.-7:02 p.m.

2 stops23h 02m

C$ 1,087

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Thu 7/5

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

2 stops24h 00m

Buenos Aires Ministro Pistarini

Wed 20/5

9:00 p.m.-5:55 p.m.

2 stops21h 55m

C$ 1,087

TorontoBuenos Aires

YYZ - EZE

YYZEZE

Toronto Pearson Intl

Wed 22/4

11:00 a.m.-8:00 a.m.

2 stops20h 00m

Buenos Aires Ministro Pistarini

Tue 5/5

9:00 p.m.-5:56 p.m.

2 stops21h 56m

C$ 1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Buenos Aires

What is the cheapest month to book a flight from Region of Ontario to Buenos Aires?

Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Buenos Aires (average of C$ 586). Flying from Region of Ontario to Buenos Aires in September is currently the most expensive (average of C$ 1,019). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to BUE?

Find hourly flight availability from Ontario to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Buenos Aires as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Buenos Aires?

    Avianca, United Airlines, and Air Canada can get you from Region of Ontario to Buenos Aires in just under 13h 55m. Your travel time can differ by up to 25h 55m. There are 8980 km between Region of Ontario and Buenos Aires. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Buenos Aires one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as C$ 497. Users have also found prices from C$ 503 and C$ 519 on Copa Airlines and Air Canada, respectively.

  • What are the most popular routes from Region of Ontario to Buenos Aires?

    When deciding which route to take from Region of Ontario to Buenos Aires consider Toronto Pearson Intl - Buenos Aires Ministro Pistarini, Montreal Pierre Elliott Trudeau Intl - Buenos Aires Ministro Pistarini or Montreal Pierre Elliott Trudeau Intl - Buenos Aires Jorge Newbery as they are the most popular.

  • Can I find deals for flights from Ontario to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Ontario to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Buenos Aires.

  • Can I find deals for business class flights from Ontario to Buenos Aires?

    Yes. Cheapflights offers flight deals from Ontario to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Buenos Aires?

    Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Buenos Aires (average of C$ 586). Flying from Region of Ontario to Buenos Aires in September is currently the most expensive (average of C$ 1,019). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Ministro Pistarini flights
Vancouver Intl to Ministro Pistarini flights
Pierre Elliott Trudeau Intl to Ministro Pistarini flights
Pearson Intl to Jorge Newbery flights
Pierre Elliott Trudeau Intl to Jorge Newbery flights
Ottawa to Ministro Pistarini flights
Calgary to Ministro Pistarini flights
Halifax to Ministro Pistarini flights
Vancouver Intl to Mendoza flights
Victoria to Ministro Pistarini flights
Winnipeg to Ministro Pistarini flights
Pearson Intl to Mendoza flights
Pierre Elliott Trudeau Intl to Cordoba flights
Edmonton to Ministro Pistarini flights
Pierre Elliott Trudeau Intl to El Calafate flights
Ottawa to Jorge Newbery flights
Pearson Intl to San Carlos de Bariloche flights
Vancouver Intl to Cordoba flights
Pierre Elliott Trudeau Intl to Mendoza flights
Pearson Intl to Cordoba flights
Pearson Intl to Ushuaia flights
Pearson Intl to Puerto Iguazú flights
Pearson Intl to El Calafate flights
Pierre Elliott Trudeau Intl to Salta flights
Pierre Elliott Trudeau Intl to Rosario flights
Québec City to Ministro Pistarini flights
Vancouver Intl to San Carlos de Bariloche flights
Pierre Elliott Trudeau Intl to San Carlos de Bariloche flights
Calgary to El Calafate flights
Pierre Elliott Trudeau Intl to Ushuaia flights

Top 7 airlines flying from Ontario to Buenos Aires

Discover the top 7 airlines that operate flights from Ontario to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapestC$ 301AverageC$ 1,260FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights
United AirlinesCheapestC$ 585AverageC$ 1,218FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Copa AirlinesCheapestC$ 729AverageC$ 1,105FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
ArajetCheapestC$ 775AverageC$ 1,102FlexibilityNo cancel feeOn-timeN/A
Search Arajet flights
DeltaCheapestC$ 783AverageC$ 1,239FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AviancaCheapestC$ 890AverageC$ 1,239FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Air CanadaCheapestC$ 1,068AverageC$ 1,303FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Buenos Aires?

Cheapflights helps you search for flights from Ontario to Buenos Aires via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Buenos Aires?

Cheapflights helps you find that perfect flight to Buenos Aires from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Buenos Aires with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Buenos Aires flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Buenos Aires become cheaper?

Yes! Start tracking prices for Ontario to Buenos Aires flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.