Cheapest return flights from Toronto to Buenos Aires in September from $707

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

Return flights

04 Sep - 08 Sep LATAM Airlines Group
04 Sep - 10 Sep LATAM Airlines Group
03 Sep - 09 Sep LATAM Airlines Group
01 Sep - 05 Sep LATAM Airlines Group
01 Sep - 15 Sep LATAM Airlines Group
02 Sep - 16 Sep LATAM Airlines Group
09 Sep - 16 Sep LATAM Airlines Group
13 Sep - 21 Sep LATAM Airlines Group
02 Sep - 08 Oct Avianca
30 Sep - 14 Oct Avianca

Also check the deals for one-way 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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