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

Return flights

15 Oct - 21 Oct	Avianca
14 Oct - 16 Nov	Avianca
30 Oct - 08 Nov	Avianca
25 Oct - 16 Nov	Avianca
14 Oct - 21 Oct	Avianca
12 Oct - 26 Oct	Avianca
01 Oct - 07 Oct	Avianca
17 Oct - 01 Nov	Avianca
01 Oct - 08 Oct	Avianca
23 Oct - 03 Nov	Avianca
06 Oct - 15 Oct	Avianca
04 Oct - 31 Oct	Avianca
03 Oct - 24 Oct	Avianca
16 Oct - 27 Oct	Avianca
20 Oct - 26 Oct	Avianca
26 Oct - 04 Nov	United
27 Oct - 05 Nov	United
24 Oct - 10 Nov	United
24 Oct - 03 Nov	United

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 554€

Return flights