AirHint found the following cheapest return flights from Madrid (MAD) to Santiago (SCL) in August 2025 (see full year).

Return flights

21 Aug - 30 Aug	Delta
24 Aug - 02 Sep	Delta
24 Aug - 22 Sep	Delta
26 Aug - 02 Sep	Delta
25 Aug - 02 Sep	Delta
19 Aug - 23 Sep	Delta
20 Aug - 03 Sep	Delta
21 Aug - 04 Sep	Delta
25 Aug - 04 Sep	Delta
19 Aug - 04 Sep	Delta
26 Aug - 01 Sep	Delta
25 Aug - 30 Aug	Delta
22 Aug - 24 Aug	KLM
19 Aug - 26 Aug	Air France
20 Aug - 30 Aug	Delta
26 Aug - 30 Aug	Delta
19 Aug - 27 Aug	Iberia	direct
19 Aug - 26 Aug	Iberia	direct
26 Aug - 31 Aug	Air Europa
23 Aug - 28 Aug	Air France

Also check the deals for one-way flights from Madrid to Santiago 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 Madrid to Santiago in August from $838

Return flights