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

Return flights

26 Dec - 31 Jan	Air Canada
23 Dec - 31 Dec	Iberia
29 Dec - 21 Jan	Air Canada
30 Dec - 25 Jan	Iberia
25 Dec - 19 Jan	Air France
24 Dec - 24 Jan	Air France
30 Dec - 21 Jan	Iberia
23 Dec - 23 Jan	KLM
21 Dec - 21 Jan	Iberia
26 Dec - 26 Jan	Iberia
30 Dec - 30 Jan	Iberia
18 Dec - 30 Dec	KLM
22 Dec - 29 Dec	Air France
20 Dec - 30 Dec	KLM
18 Dec - 25 Dec	Air France
19 Dec - 29 Dec	KLM
20 Dec - 28 Dec	LATAM Airlines Group
21 Dec - 28 Dec	Air France
29 Dec - 30 Dec	Iberia
18 Dec - 22 Dec	LATAM Airlines Group

Also check the deals for one-way flights from Santiago to Barcelona 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 Barcelona in December from 813€

Return flights