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

Return flights

30 Dec - 08 Jan	Avianca
25 Dec - 28 Dec	Avianca
30 Dec - 01 Jan	Copa
23 Dec - 01 Jan	Copa
22 Dec - 24 Dec	Copa
30 Dec - 11 Jan	Avianca
23 Dec - 28 Dec	Copa
23 Dec - 27 Dec	Copa
20 Dec - 25 Dec	Avianca
24 Dec - 01 Jan	Copa
27 Dec - 01 Jan	Copa
21 Dec - 26 Dec	Avianca
26 Dec - 29 Dec	Avianca
21 Dec - 15 Jan	Avianca
25 Dec - 31 Dec	Avianca
28 Dec - 06 Jan	Copa
25 Dec - 27 Dec	Avianca
29 Dec - 06 Jan	Avianca
30 Dec - 07 Jan	Avianca
22 Dec - 29 Dec	Copa

Also check the deals for one-way flights from San Salvador 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 Salvador to Rio Negro in December from 226€

Return flights