AirHint found the following cheapest return flights from Sydney (SYD) to Buenos Aires (AEP) in July 2025 (see full year).

Return flights

27 Jul - 19 Aug	LATAM Airlines Group
27 Jul - 28 Jul	LATAM Airlines Group
30 Jul - 06 Aug	LATAM Airlines Group
28 Jul - 31 Jul	Qantas
31 Jul - 07 Aug	LATAM Airlines Group
31 Jul - 15 Aug	LATAM Airlines Group
30 Jul - 08 Aug	Qantas
30 Jul - 09 Aug	Qantas

Also check the deals for one-way flights from Sydney to Buenos Aires in July.

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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Cheapest return flights from Sydney to Buenos Aires in July from 1292€

Return flights