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

Return flights

11 Sep - 14 Sep	Avianca	direct
10 Sep - 14 Sep	Avianca	direct
03 Sep - 28 Sep	Avianca
01 Sep - 08 Sep	Avianca
02 Sep - 09 Sep	Avianca
09 Sep - 23 Sep	Avianca
10 Sep - 24 Sep	Avianca
03 Sep - 24 Sep	Avianca
02 Sep - 23 Sep	Avianca
02 Sep - 24 Sep	Avianca
13 Sep - 10 Oct	Avianca
17 Sep - 01 Oct	Avianca
17 Sep - 08 Oct	Avianca
20 Sep - 11 Oct	Avianca
23 Sep - 14 Oct	Avianca
09 Sep - 06 Oct	Avianca
10 Sep - 04 Oct	Avianca
16 Sep - 06 Oct	Avianca
18 Sep - 01 Oct	Avianca
23 Sep - 05 Oct	Avianca

Also check the deals for one-way flights from Miami to San Salvador in September.

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 September from 149€

Return flights