AirHint found the following cheapest return flights from Madrid (MAD) to San Salvador (SAL) in January 2026 (see full year).

Return flights

12 Jan - 26 Jan	United
19 Jan - 28 Jan	United
19 Jan - 04 Feb	United
20 Jan - 11 Feb	United
12 Jan - 25 Jan	United
31 Jan - 16 Feb	United
14 Jan - 13 Feb	United
10 Jan - 23 Jan	Iberia
24 Jan - 28 Jan	Iberia
24 Jan - 27 Jan	Iberia
12 Jan - 31 Jan	Iberia
10 Jan - 18 Jan	Iberia
11 Jan - 15 Jan	Air Europa
04 Jan - 06 Feb	Ryanair
04 Jan - 31 Jan	Ryanair
17 Jan - 28 Feb	Avianca
01 Jan - 01 Feb	Air Europa
02 Jan - 02 Feb	Ryanair
03 Jan - 06 Feb	Ryanair

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

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 January from $642

Return flights