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

Return flights

04 Oct - 13 Oct	United
28 Oct - 16 Nov	United
01 Oct - 10 Oct	Iberia
09 Oct - 18 Oct	Avianca
01 Oct - 15 Oct	ITA Airways
06 Oct - 19 Oct	Avianca
01 Oct - 14 Oct	Iberia
01 Oct - 22 Oct	Iberia
31 Oct - 22 Nov	Avianca
18 Oct - 31 Oct	Iberia
30 Oct - 16 Nov	Wizz Air Malta
16 Oct - 04 Nov	Lufthansa
06 Oct - 26 Oct	Ryanair
25 Oct - 01 Nov	Iberia
06 Oct - 15 Oct	Avianca
19 Oct - 02 Nov	Avianca

Also check the deals for one-way flights from Madrid to San Salvador 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 Madrid to San Salvador in October from 566€

Return flights