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

Return flights

21 Aug - 26 Aug	Avianca	direct
21 Aug - 29 Aug	Avianca	direct
13 Aug - 20 Aug	Avianca
20 Aug - 26 Aug	Avianca	direct
28 Aug - 09 Sep	Copa
12 Aug - 20 Aug	Avianca
10 Aug - 27 Sep	Avianca	direct
09 Aug - 15 Aug	Avianca
05 Aug - 12 Aug	Arajet
06 Aug - 12 Aug	Avianca
03 Aug - 10 Aug	Avianca
03 Aug - 06 Aug	Avianca

Also check the deals for one-way flights from San Salvador to Lima 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 Lima in August from 308€

Return flights