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

Return flights

10 Dec - 14 Jan	American Airlines
06 Dec - 22 Dec	Delta
08 Dec - 22 Dec	Delta
10 Dec - 22 Dec	Delta
24 Dec - 26 Jan	Delta
07 Dec - 21 Jan	Delta
05 Dec - 22 Dec	Delta
05 Dec - 27 Dec	Delta
07 Dec - 29 Jan	Delta
03 Dec - 11 Dec	Iberia For Level	direct
07 Dec - 29 Dec	Delta
07 Dec - 27 Jan	Delta
03 Dec - 09 Dec	Delta
03 Dec - 13 Dec	Iberia	direct
03 Dec - 09 Dec	Iberia	direct
10 Dec - 18 Jan	Delta
08 Dec - 14 Jan	Delta
29 Dec - 15 Jan	Delta
31 Dec - 27 Jan	Iberia For Level	direct
31 Dec - 28 Jan	Delta

Also check the deals for one-way flights from Barcelona to Santiago 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 Barcelona to Santiago in December from 637€

Return flights