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

Return flights

20 Aug - 24 Aug	Avianca
21 Aug - 24 Aug	Avianca
08 Aug - 14 Aug	Copa
26 Aug - 29 Aug	Avianca	direct
21 Aug - 25 Aug	Avianca	direct
26 Aug - 30 Aug	Avianca
27 Aug - 30 Aug	Avianca
08 Aug - 15 Aug	Avianca
19 Aug - 24 Aug	Avianca
12 Aug - 17 Aug	Avianca	direct

Also check the deals for one-way flights from San Salvador to Rio Negro 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 Rio Negro in August from 222€

Return flights