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

Return flights

23 Dec - 31 Dec	Air France
24 Dec - 31 Dec	Delta
23 Dec - 30 Dec	Iberia
29 Dec - 28 Jan	TAP
31 Dec - 19 Jan	TAP
30 Dec - 12 Jan	TAP
31 Dec - 12 Jan	TAP
21 Dec - 28 Dec	Air France
31 Dec - 22 Jan	TAP
31 Dec - 18 Jan	TAP
28 Dec - 29 Jan	TAP
30 Dec - 29 Jan	TAP
29 Dec - 16 Jan	TAP
28 Dec - 16 Jan	TAP
26 Dec - 29 Dec	Iberia
21 Dec - 27 Dec	Air France
23 Dec - 29 Dec	Iberia
19 Dec - 27 Dec	KLM
24 Dec - 26 Dec	Iberia
25 Dec - 27 Dec	Delta

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

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 December from 784€

Return flights