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

Return flights

11 May - 21 May	Avianca
11 May - 25 May	Avianca
06 May - 17 May	Avianca
18 May - 28 May	Avianca
13 May - 20 May	Avianca
12 May - 26 May	Avianca
01 May - 13 May	Avianca
19 May - 09 Jun	Avianca
10 May - 26 May	Avianca
14 May - 28 May	Avianca
05 May - 20 May	Avianca
06 May - 11 Jun	Avianca
09 May - 14 Jun	Avianca
30 May - 07 Jun	Avianca
22 May - 07 Jun	Avianca
29 May - 14 Jun	Avianca
22 May - 30 Jun	Avianca

Also check the deals for one-way flights from San Salvador to Madrid in May.

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 May from 635€

Return flights