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

Return flights

05 Aug - 27 Aug	Avianca
05 Aug - 31 Aug	Avianca
06 Aug - 31 Aug	Avianca
12 Aug - 26 Aug	Avianca
30 Aug - 15 Sep	Avianca
25 Aug - 30 Aug	Avianca
05 Aug - 19 Aug	Avianca
20 Aug - 27 Aug	Avianca
11 Aug - 16 Aug	Avianca
21 Aug - 31 Aug	Avianca
22 Aug - 31 Aug	Avianca
22 Aug - 06 Sep	Avianca
31 Aug - 16 Sep	Avianca
20 Aug - 03 Sep	Avianca
20 Aug - 24 Sep	Avianca
08 Aug - 11 Sep	Avianca
30 Aug - 07 Sep	Avianca
28 Aug - 11 Sep	Avianca
29 Aug - 03 Sep	Avianca
29 Aug - 12 Sep	KLM

Also check the deals for one-way flights from San Salvador to Madrid 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 San Salvador to Madrid in August from $741

Return flights