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

Return flights

31 Aug - 01 Sep	Avianca
03 Aug - 06 Aug	Avianca
22 Aug - 24 Aug	Avianca
21 Aug - 01 Sep	Avianca
07 Aug - 13 Aug	Avianca
07 Aug - 13 Aug	Avianca	direct
21 Aug - 01 Sep	Avianca	direct
18 Aug - 24 Aug	Copa
31 Aug - 02 Sep	Copa
18 Aug - 24 Aug	Avianca	direct
03 Aug - 06 Aug	Avianca	direct
02 Aug - 03 Aug	Avianca	direct

Also check the deals for one-way flights from Managua 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 Managua to San Salvador in August from $374

Return flights