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

Return flights

04 May - 24 May	Avianca
11 May - 24 May	Avianca
15 May - 26 May	Avianca
11 May - 17 May	Avianca
04 May - 17 May	Avianca
07 May - 17 May	Avianca
08 May - 17 May	Avianca
04 May - 22 May	Avianca
18 May - 18 May	Avianca
18 May - 19 May	Avianca
22 May - 06 Jun	Avianca
20 May - 08 Jun	Iberia
27 May - 06 Jun	Iberia
05 May - 05 Jun	jetBlue
28 May - 06 Jun	Avianca
30 May - 12 Jun	Avianca

Also check the deals for one-way flights from Madrid to San Salvador 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 Madrid to San Salvador in May from 620€

Return flights