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

Return flights

24 Dec - 20 Jan	Air Canada
24 Dec - 13 Jan	Air Canada
23 Dec - 21 Jan	Iberia	direct
23 Dec - 23 Jan	Iberia	direct
24 Dec - 31 Dec	Air France
24 Dec - 26 Jan	Iberia
31 Dec - 28 Jan	Iberia
23 Dec - 22 Jan	Iberia
31 Dec - 18 Jan	Iberia
31 Dec - 16 Jan	Iberia
24 Dec - 19 Jan	LATAM Airlines Group
21 Dec - 30 Dec	Iberia	direct
18 Dec - 31 Dec	LATAM Airlines Group
21 Dec - 31 Dec	Iberia	direct
20 Dec - 30 Dec	Iberia	direct
24 Dec - 31 Dec	Iberia	direct
23 Dec - 30 Dec	Air France
18 Dec - 30 Dec	LATAM Airlines Group
19 Dec - 29 Dec	LATAM Airlines Group	direct
18 Dec - 31 Dec	Iberia	direct

Also check the deals for one-way flights from Santiago to Madrid 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 Santiago to Madrid in December from 775€

Return flights