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

Return flights

03 Mar - 10 Mar	Avianca
22 Mar - 08 Apr	Avianca
01 Mar - 06 Mar	Avianca
09 Mar - 09 Apr	Avianca
17 Mar - 03 Apr	Volaris El Salvador
02 Mar - 08 Mar	Avianca
04 Mar - 09 Apr	Avianca
05 Mar - 11 Mar	Avianca
06 Mar - 13 Mar	Avianca
08 Mar - 14 Mar	Avianca
08 Mar - 21 Mar	Avianca
08 Mar - 18 Mar	Avianca
09 Mar - 17 Mar	United
04 Mar - 25 Mar	United
26 Mar - 06 Apr	Volaris Costa Rica
30 Mar - 16 Apr	Avianca
29 Mar - 10 Apr	Avianca
29 Mar - 09 Apr	Avianca
27 Mar - 19 Apr	Avianca
27 Mar - 11 Apr	Avianca

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

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 San Salvador to Madrid in March from $674

Return flights