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

Return flights

03 Dec - 10 Dec	Avianca	direct
08 Dec - 15 Dec	Avianca	direct
01 Dec - 07 Dec	Avianca	direct
10 Dec - 15 Dec	Avianca	direct
14 Dec - 17 Dec	Avianca	direct
10 Dec - 14 Dec	Avianca	direct
08 Dec - 11 Dec	Avianca	direct
05 Dec - 10 Dec	Avianca	direct
14 Dec - 19 Dec	Avianca	direct
08 Dec - 14 Dec	Avianca	direct
31 Dec - 07 Jan	Avianca
10 Dec - 08 Jan	Avianca
29 Dec - 23 Jan	Copa
15 Dec - 17 Jan	Copa
18 Dec - 16 Jan	Avianca
11 Dec - 08 Jan	Avianca
29 Dec - 01 Jan	Avianca
31 Dec - 05 Jan	Avianca	direct
29 Dec - 05 Jan	Wingo	direct
23 Dec - 07 Jan	Avianca

Also check the deals for one-way flights from San Jose to Rio Negro 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 Rio Negro in December from 174€

Return flights