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

Return flights

02 Dec - 10 Dec	Arajet
04 Dec - 06 Dec	Arajet
01 Dec - 09 Dec	Sky Airline
05 Dec - 07 Dec	Delta
27 Dec - 23 Jan	Sky Airline
09 Dec - 17 Dec	Copa
31 Dec - 14 Jan	Sky Airline
08 Dec - 22 Dec	LATAM Airlines Group
08 Dec - 18 Dec	American Airlines	direct
21 Dec - 11 Jan	Sky Airline
15 Dec - 08 Jan	Sky Airline
14 Dec - 08 Jan	Sky Airline
15 Dec - 31 Dec	Delta
15 Dec - 10 Jan	Sky Airline
15 Dec - 01 Jan	LATAM Airlines Group
18 Dec - 10 Jan	Sky Airline
16 Dec - 31 Dec	Delta
17 Dec - 31 Dec	Delta
17 Dec - 02 Jan	Sky Airline
22 Dec - 04 Jan	Sky Airline

Also check the deals for one-way flights from Miami 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 Miami to Santiago in December from 395€

Return flights