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

Return flights

15 Sep - 13 Oct	Volaris El Salvador
24 Sep - 28 Sep	Avianca
30 Sep - 07 Oct	Avianca	direct
26 Sep - 28 Sep	Avianca
18 Sep - 26 Sep	Avianca	direct
12 Sep - 16 Sep	Avianca	direct
09 Sep - 10 Sep	Avianca
15 Sep - 22 Sep	Avianca
12 Sep - 22 Sep	Avianca
14 Sep - 17 Sep	Avianca	direct
12 Sep - 14 Sep	Avianca	direct
29 Sep - 04 Oct	Avianca	direct
29 Sep - 03 Oct	Avianca	direct
15 Sep - 13 Oct	Volaris El Salvador	direct
13 Sep - 17 Sep	Avianca

Also check the deals for one-way flights from San Salvador to Miami 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 San Salvador to Miami in September from 94€

Return flights