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

Return flights

13 Aug - 20 Aug	Copa
12 Aug - 18 Aug	Copa
12 Aug - 20 Aug	Copa
18 Aug - 23 Aug	Avianca
02 Aug - 24 Aug	Avianca
12 Aug - 16 Aug	Avianca
13 Aug - 18 Aug	Avianca
09 Aug - 16 Aug	Avianca
01 Aug - 31 Aug	Avianca
03 Aug - 11 Aug	Avianca

Also check the deals for one-way flights from Lima to San Salvador 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 Lima to San Salvador in August from $307

Return flights