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

Return flights

08 Dec - 14 Dec	Air Europa
01 Dec - 10 Dec	TAP
06 Dec - 13 Dec	Iberia
09 Dec - 12 Jan	Air Europa
06 Dec - 10 Jan	Ryanair
08 Dec - 10 Jan	Air Europa
10 Dec - 11 Dec	Air Europa
05 Dec - 05 Jan	Iberia
08 Dec - 08 Jan	Air Europa
07 Dec - 21 Dec	Ryanair
09 Dec - 14 Jan	United
27 Dec - 19 Jan	TAP
28 Dec - 12 Jan	Scandinavian Airlines
10 Dec - 17 Dec	Air Europa
04 Dec - 06 Jan	Ryanair
13 Dec - 13 Jan	Wizz Air Malta
13 Dec - 30 Dec	Wizz Air Malta
14 Dec - 18 Dec	Wizz Air Malta
15 Dec - 29 Dec	Ryanair
18 Dec - 31 Dec	TAP

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 $832

Return flights