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

Return flights

20 Aug - 12 Sep	Avianca
20 Aug - 21 Sep	Avianca
06 Aug - 31 Aug	Avianca
10 Aug - 20 Aug	Avianca
17 Aug - 30 Aug	Avianca
03 Aug - 15 Sep	Avianca
17 Aug - 24 Aug	Avianca
17 Aug - 22 Aug	Avianca
15 Aug - 22 Aug	Avianca
11 Aug - 22 Aug	Avianca
15 Aug - 14 Sep	Avianca
18 Aug - 25 Aug	Avianca
08 Aug - 20 Aug	Avianca
16 Aug - 31 Aug	Volaris Costa Rica
04 Aug - 14 Sep	Avianca
24 Aug - 01 Sep	Avianca
31 Aug - 15 Sep	Spirit Airlines
08 Aug - 11 Sep	Avianca
23 Aug - 14 Sep	Avianca
30 Aug - 15 Sep	Avianca

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 609€

Return flights