Cheapest return flights from Melbourne to Buenos Aires in September from $1498

Best time to book flights for Melbourne (MEL) to Buenos Aires (AEP) flights at AirHint

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

Return flights

29 Sep - 05 Oct LATAM Airlines Group
15 Sep - 15 Oct LATAM Airlines Group
22 Sep - 06 Oct LATAM Airlines Group
14 Sep - 21 Sep LATAM Airlines Group
14 Sep - 22 Sep LATAM Airlines Group
19 Sep - 08 Oct LATAM Airlines Group
01 Sep - 22 Sep LATAM Airlines Group
15 Sep - 03 Oct LATAM Airlines Group
13 Sep - 22 Sep LATAM Airlines Group
14 Sep - 23 Sep LATAM Airlines Group
15 Sep - 23 Sep LATAM Airlines Group
11 Sep - 02 Oct LATAM Airlines Group
01 Sep - 23 Sep LATAM Airlines Group
13 Sep - 04 Oct LATAM Airlines Group
16 Sep - 14 Oct LATAM Airlines Group
13 Sep - 02 Oct LATAM Airlines Group
12 Sep - 03 Oct LATAM Airlines Group
16 Sep - 16 Sep LATAM Airlines Group

Also check the deals for one-way flights from Melbourne to Buenos Aires in September.

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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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