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

Return flights

04 Oct - 18 Oct	United
11 Oct - 19 Oct	United
11 Oct - 18 Oct	United
09 Oct - 18 Oct	United
04 Oct - 12 Nov	Ryanair
26 Oct - 30 Oct	Wizz Air Malta
18 Oct - 01 Nov	Wizz Air Malta
06 Oct - 26 Oct	Wizz Air Malta
01 Oct - 22 Oct	SWISS
01 Oct - 15 Oct	Avianca
15 Oct - 24 Nov	Avianca
16 Oct - 30 Oct	TAP
18 Oct - 02 Nov	Ryanair
16 Oct - 25 Oct	Delta

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 $659

Return flights