AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to San Jose (SJO) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec	Copa
04 Dec - 23 Dec	Copa
06 Dec - 12 Dec	Copa
18 Dec - 23 Dec	Copa
14 Dec - 23 Dec	Avianca
29 Dec - 05 Jan	Copa
29 Dec - 06 Jan	Copa
28 Dec - 05 Jan	Copa
29 Dec - 04 Jan	Copa
25 Dec - 06 Jan	Copa
28 Dec - 04 Jan	Copa
29 Dec - 03 Jan	Avianca
27 Dec - 03 Jan	Avianca

Also check the deals for one-way flights from Rio De Janeiro to San Jose 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 Rio De Janeiro to San Jose in December from $438

Return flights