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

Return flights

23 Aug - 30 Aug	Avianca
22 Aug - 30 Aug	Avianca
29 Aug - 06 Sep	Volaris El Salvador
30 Aug - 07 Sep	Volaris Costa Rica
19 Aug - 26 Aug	Avianca	direct
05 Aug - 11 Aug	Avianca	direct
25 Aug - 01 Sep	Avianca
27 Aug - 03 Sep	Avianca
27 Aug - 31 Aug	Volaris El Salvador	direct
01 Aug - 07 Aug	Avianca	direct
13 Aug - 19 Aug	Avianca
22 Aug - 24 Aug	Avianca
26 Aug - 02 Sep	Avianca
19 Aug - 02 Sep	Avianca
01 Aug - 09 Aug	Avianca
01 Aug - 03 Aug	Avianca
27 Aug - 03 Sep	Volaris El Salvador	direct
29 Aug - 02 Sep	Avianca
28 Aug - 11 Sep	Avianca
29 Aug - 01 Sep	Volaris El Salvador	direct

Also check the deals for one-way flights from Miami 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 Miami to San Salvador in August from $39

Return flights