AirHint found the following cheapest return flights from San Salvador (SAL) to Buenos Aires (EZE) in August 2025 (see full year).

Return flights

23 Aug - 30 Aug	Avianca
30 Aug - 13 Sep	Avianca
22 Aug - 30 Aug	Avianca
16 Aug - 23 Aug	Avianca
21 Aug - 30 Aug	Avianca
10 Aug - 23 Aug	Avianca
07 Aug - 16 Aug	Avianca
03 Aug - 09 Aug	Copa
01 Aug - 09 Aug	Avianca
02 Aug - 07 Aug	Avianca
01 Aug - 06 Aug	Avianca

Also check the deals for one-way flights from San Salvador to Buenos Aires 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 San Salvador to Buenos Aires in August from 572€

Return flights