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

Return flights

04 Dec - 09 Dec	Avianca
02 Dec - 09 Dec	Avianca
04 Dec - 12 Dec	Avianca
02 Dec - 12 Dec	Avianca
03 Dec - 11 Dec	Avianca
04 Dec - 11 Dec	Avianca
11 Dec - 17 Dec	Avianca
05 Dec - 11 Dec	Avianca
11 Dec - 21 Dec	Copa
06 Dec - 11 Dec	Copa
17 Dec - 23 Jan	Copa
31 Dec - 15 Jan	Copa
18 Dec - 16 Jan	Copa
18 Dec - 01 Jan	Copa
18 Dec - 20 Jan	Copa
24 Dec - 07 Jan	Copa
31 Dec - 10 Jan	Copa
25 Dec - 07 Jan	Copa
30 Dec - 09 Jan	Copa
31 Dec - 07 Jan	Copa

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Sao Paulo to San Jose in December from 303€

Return flights