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

Return flights

01 Dec - 07 Dec	Delta
01 Dec - 15 Dec	Iberia
08 Dec - 17 Jan	Air Canada
05 Dec - 08 Jan	Air Canada
05 Dec - 31 Dec	Iberia
31 Dec - 08 Jan	Air Canada
24 Dec - 16 Jan	Air Canada
16 Dec - 17 Jan	Turkish Airlines
27 Dec - 14 Jan	Iberia
15 Dec - 27 Dec	Iberia
30 Dec - 12 Jan	Delta
22 Dec - 07 Jan	Air Canada
22 Dec - 08 Jan	Air Canada
30 Dec - 11 Jan	Turkish Airlines
15 Dec - 22 Dec	Iberia
17 Dec - 29 Dec	Iberia

Also check the deals for one-way flights from Dublin 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 Dublin to Santiago in December from 731€

Return flights