AirHint found the following cheapest return flights from Santiago (SCL) to Asuncion (ASU) in August 2025 (see full year).

Return flights

25 Aug - 08 Sep	JetSmart
20 Aug - 08 Sep	JetSmart
27 Aug - 08 Sep	JetSmart
25 Aug - 29 Aug	JetSmart
20 Aug - 29 Aug	JetSmart
27 Aug - 29 Aug	JetSmart
25 Aug - 31 Aug	JetSmart
20 Aug - 31 Aug	JetSmart
14 Aug - 22 Aug	Aerolineas Argentinas
27 Aug - 31 Aug	JetSmart
17 Aug - 29 Aug	JetSmart
17 Aug - 31 Aug	JetSmart
24 Aug - 29 Aug	LATAM Airlines Group	direct
24 Aug - 08 Sep	JetSmart
27 Aug - 10 Sep	Copa

Also check the deals for one-way flights from Santiago to Asuncion in August.

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 Santiago to Asuncion in August from $268

Return flights