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

Return flights

06 Dec - 10 Dec	Copa
03 Dec - 12 Dec	Copa
03 Dec - 12 Dec	Avianca	direct
03 Dec - 06 Dec	Avianca	direct
06 Dec - 10 Dec	Avianca	direct
13 Dec - 21 Dec	Avianca	direct
02 Dec - 02 Dec	Copa
16 Dec - 23 Dec	Avianca	direct
10 Dec - 14 Dec	Avianca
05 Dec - 11 Dec	Avianca	direct
15 Dec - 15 Jan	Avianca
24 Dec - 12 Jan	Avianca	direct
30 Dec - 05 Jan	Copa
30 Dec - 02 Jan	Copa
20 Dec - 03 Jan	Avianca
28 Dec - 04 Jan	Copa
30 Dec - 12 Jan	Spirit Airlines
30 Dec - 15 Jan	Spirit Airlines
28 Dec - 12 Jan	Spirit Airlines
28 Dec - 15 Jan	Spirit Airlines

Also check the deals for one-way flights from San Juan 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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Cheapest return flights from San Juan to Rio Negro in December from 191€

Return flights