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

Return flights

20 Oct - 27 Oct	Avianca
27 Oct - 04 Nov	Avianca
04 Oct - 02 Nov	Avianca
08 Oct - 22 Oct	Avianca
01 Oct - 11 Oct	Avianca
13 Oct - 24 Nov	Avianca
21 Oct - 29 Oct	Avianca
15 Oct - 30 Oct	Avianca
01 Oct - 18 Oct	Avianca
07 Oct - 25 Nov	United
08 Oct - 23 Oct	United
09 Oct - 27 Oct	United
03 Oct - 18 Oct	Avianca
31 Oct - 10 Nov	United
02 Oct - 13 Oct	United
16 Oct - 22 Nov	United
26 Oct - 01 Nov	Avianca

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

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 October from $705

Return flights