Cheapest return flights from Toronto to Buenos Aires in September from 658€

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

Return flights

05 Sep - 18 Sep LATAM Airlines Group
24 Sep - 28 Sep LATAM Airlines Group
10 Sep - 24 Sep LATAM Airlines Group
17 Sep - 02 Oct Avianca
30 Sep - 04 Oct LATAM Airlines Group
19 Sep - 27 Sep Avianca
01 Sep - 30 Sep Avianca
12 Sep - 23 Sep LATAM Airlines Group
26 Sep - 03 Oct Avianca
10 Sep - 21 Sep 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.