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

Return flights

13 May - 27 May	Avianca
12 May - 25 May	Avianca
04 May - 13 May	Avianca
17 May - 25 May	Avianca
25 May - 05 Jun	Avianca
25 May - 13 Jun	Avianca
04 May - 11 May	Avianca
06 May - 13 May	Avianca
10 May - 26 May	Avianca
05 May - 13 May	Avianca
21 May - 14 Jun	Avianca
25 May - 28 May	Avianca
28 May - 04 Jun	Avianca
03 May - 04 Jun	Avianca
03 May - 11 May	Avianca
31 May - 14 Jun	Avianca
26 May - 30 Jun	Air Canada
30 May - 22 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 648€

Return flights