AirHint found the following cheapest return flights from Madrid (MAD) to San Salvador (SAL) in August 2026 (see full year).

Return flights

20 Aug - 01 Sep	Avianca
23 Aug - 15 Sep	Avianca
25 Aug - 31 Aug	Avianca
25 Aug - 30 Aug	Avianca
25 Aug - 08 Sep	Avianca
16 Aug - 29 Aug	Avianca
24 Aug - 30 Aug	Iberia
04 Aug - 10 Aug	Avianca	direct
25 Aug - 31 Aug	Avianca	direct
01 Aug - 08 Aug	Avianca	direct
16 Aug - 29 Aug	Avianca	direct
01 Aug - 13 Aug	Avianca	direct
03 Aug - 13 Aug	Avianca
25 Aug - 08 Sep	Avianca	direct
20 Aug - 01 Sep	Avianca	direct
02 Aug - 09 Sep	WestJet
03 Aug - 09 Sep	Ryanair

Also check the deals for one-way flights from Madrid to San Salvador 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 Madrid to San Salvador in August from 737€

Return flights