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

Return flights

15 Dec - 24 Dec	Copa
15 Dec - 19 Dec	Copa
05 Dec - 19 Dec	Copa
15 Dec - 31 Dec	Copa
20 Dec - 01 Jan	Avianca
01 Dec - 15 Dec	Copa
01 Dec - 04 Dec	Copa
05 Dec - 08 Dec	Copa
27 Dec - 02 Jan	Copa
01 Dec - 05 Dec	Copa
10 Dec - 08 Jan	Copa
24 Dec - 01 Jan	Copa
29 Dec - 12 Jan	Avianca
29 Dec - 03 Jan	Avianca
22 Dec - 05 Jan	Copa
20 Dec - 08 Jan	Copa
29 Dec - 05 Jan	Copa
21 Dec - 04 Jan	Avianca
16 Dec - 31 Dec	United

Also check the deals for one-way flights from San Jose 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 San Jose to Santiago in December from $412

Return flights