Cheap flights from Toronto to Buenos Aires from C$ 449

The cheapest month to fly to Buenos Aires from Toronto is in November. Flight prices, which tend to average around C$ 1,148, 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 September is your next best option. Flight prices from Toronto to Buenos Aires during September average around C$ 1,166.

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$ 1,415. 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 Toronto to Buenos Aires for around C$ 1,966.

Fly from Toronto Pearson Intl to Buenos Aires Ministro Pistarini for the best Toronto - Buenos Aires flight prices

You are more likely to see cheaper flights to Buenos Aires from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around C$ 1,242 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Toronto for as low as C$ 920 on momondo.

There is only 1 cabin class available to choose from on Toronto to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 18% on your flight if you consider stops on a Toronto to Buenos Aires flight.

Arajet and United Airlines are the most popular carriers operating from Toronto to Buenos Aires

United Airlines, Avianca and Air Canada are the top three most popular airlines that fly to Buenos Aires from Toronto according to our data. United Airlines is the first choice among our users, with 31% 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.

Bogotá (BOG) was the most common stop: 44% of momondo users choosing one-stop flights on this route connected there.

Flights via Bogotá (BOG) offer the lowest average round-trip price of C$ 1,028.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 14h 11m.

Houston (IAH) has the shortest average layover time for this route: 1h 49m.

The number of flights available between Toronto and Buenos Aires is 3 per week as of August 2026. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.

Flight times from Toronto 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 37m on average. Another popular route from Toronto to Buenos Aires is flying from Hamilton to Buenos Aires Ministro Pistarini Airport, which will take roughly 30h 25m. Keep in mind that layovers or delays could extend your travel time.