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

Return flights

10 Dec - 14 Dec	Avianca	direct
24 Dec - 31 Dec	Avianca	direct
05 Dec - 10 Dec	Avianca	direct
06 Dec - 10 Dec	Copa
31 Dec - 14 Jan	Avianca	direct
07 Dec - 14 Dec	Avianca	direct
06 Dec - 10 Dec	Avianca	direct
02 Dec - 09 Dec	Copa
12 Dec - 18 Dec	Avianca
04 Dec - 07 Dec	Avianca	direct
02 Dec - 06 Dec	Avianca
28 Dec - 02 Jan	Avianca	direct
30 Dec - 04 Jan	Copa
26 Dec - 02 Jan	Avianca
29 Dec - 07 Jan	Copa

Also check the deals for one-way flights from Rio Negro 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 Negro to San Jose in December from $227

Return flights