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

Return flights

08 Dec - 14 Dec	GOL Linhas Aéreas
03 Dec - 08 Dec	GOL Linhas Aéreas
01 Dec - 08 Dec	Azul Airlines
05 Dec - 11 Dec	GOL Linhas Aéreas
01 Dec - 02 Dec	LATAM Airlines Group
31 Dec - 19 Jan	Azul Airlines
31 Dec - 18 Jan	Azul Airlines
31 Dec - 08 Jan	Azul Airlines
20 Dec - 15 Jan	GOL Linhas Aéreas
23 Dec - 01 Jan	Azul Airlines
25 Dec - 07 Jan	Azul Airlines
08 Dec - 19 Dec	Avianca
31 Dec - 10 Jan	GOL Linhas Aéreas
30 Dec - 08 Jan	Azul Airlines
29 Dec - 07 Jan	LATAM Airlines Group
29 Dec - 08 Jan	LATAM Airlines Group
09 Dec - 18 Dec	GOL Linhas Aéreas
07 Dec - 12 Dec	Avianca
01 Dec - 09 Dec	Avianca
01 Dec - 10 Dec	Avianca

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to San Jose in December from 500€

Return flights