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

Return flights

09 Sep - 16 Sep	Volaris El Salvador
16 Sep - 30 Sep	Avianca
05 Sep - 12 Sep	Volaris El Salvador
22 Sep - 29 Sep	Avianca
02 Sep - 09 Sep	Avianca
30 Sep - 15 Oct	Avianca
08 Sep - 21 Sep	Avianca
08 Sep - 24 Sep	Avianca
21 Sep - 02 Oct	Avianca
03 Sep - 17 Sep	Avianca
23 Sep - 17 Oct	Avianca
08 Sep - 23 Sep	Avianca
14 Sep - 28 Sep	Avianca
20 Sep - 04 Oct	Avianca
15 Sep - 02 Oct	Avianca
09 Sep - 09 Oct	Avianca
15 Sep - 13 Oct	United
29 Sep - 21 Oct	United
19 Sep - 02 Oct	Avianca
12 Sep - 03 Oct	United

Also check the deals for one-way flights from San Salvador to Madrid 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 Madrid in September from 586€

Return flights