Cheapest return flights from Melbourne to Buenos Aires in September from $1504

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

Return flights

01 Sep - 18 Oct LATAM Airlines Group
01 Sep - 27 Oct LATAM Airlines Group
08 Sep - 08 Oct LATAM Airlines Group
01 Sep - 08 Oct LATAM Airlines Group
04 Sep - 22 Oct LATAM Airlines Group
01 Sep - 05 Oct LATAM Airlines Group
28 Sep - 27 Oct LATAM Airlines Group
09 Sep - 05 Oct LATAM Airlines Group
16 Sep - 30 Sep LATAM Airlines Group
24 Sep - 30 Sep LATAM Airlines Group
23 Sep - 30 Sep Qantas

Also check the deals for one-way flights from Melbourne 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.