AirHint found the following cheapest return flights from San Luis Potosi (SLP) to Madrid (MAD) in August 2025 (see full year).

Return flights

21 Aug - 28 Aug	Delta
18 Aug - 28 Aug	Delta
18 Aug - 30 Aug	Delta
20 Aug - 30 Aug	Delta
16 Aug - 27 Aug	Delta
16 Aug - 28 Aug	Delta
05 Aug - 18 Sep	Aeromexico
17 Aug - 24 Aug	Aeromexico
17 Aug - 28 Aug	Aeromexico
05 Aug - 19 Aug	Aeromexico
19 Aug - 26 Aug	Aeromexico
29 Aug - 12 Sep	Aeromexico

Also check the deals for one-way flights from San Luis Potosi to Madrid in August.

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 Luis Potosi to Madrid in August from $874

Return flights