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

Return flights

03 Dec - 08 Dec	LATAM Airlines Group
04 Dec - 06 Dec	LATAM Airlines Group
12 Dec - 18 Dec	Copa
05 Dec - 07 Dec	LATAM Airlines Group
14 Dec - 17 Dec	Copa
11 Dec - 13 Dec	Copa
14 Dec - 21 Jan	Copa
15 Dec - 21 Dec	Copa
23 Dec - 30 Dec	Sky Airline
24 Dec - 31 Dec	JetSmart
31 Dec - 18 Jan	Avianca
22 Dec - 30 Dec	JetSmart
25 Dec - 01 Jan	Aerolíneas Argentinas
31 Dec - 11 Jan	Avianca
24 Dec - 05 Jan	JetSmart
29 Dec - 05 Jan	JetSmart
27 Dec - 04 Jan	JetSmart
25 Dec - 05 Jan	Aerolíneas Argentinas
30 Dec - 04 Jan	Avianca
26 Dec - 04 Jan	JetSmart

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 386€

Return flights