Cheapest one-way flights from Toronto to Buenos Aires in September from $315

AirHint found the following cheapest one-way flights from Toronto (YYZ) to Buenos Aires (AEP) in September 2025 (see full year).

One-Way flights

08 Sep Avianca
20 Sep LATAM Airlines Group
10 Sep LATAM Airlines Group
07 Sep LATAM Airlines Group
11 Sep LATAM Airlines Group
05 Sep LATAM Airlines Group
15 Sep LATAM Airlines Group
19 Sep Avianca
18 Sep Avianca
06 Sep Air Canada

Also check the deals for return flights from Toronto to Buenos Aires in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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