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

Return flights

08 Dec - 12 Dec	Avianca	direct
12 Dec - 15 Dec	Avianca	direct
09 Dec - 16 Dec	Avianca	direct
12 Dec - 14 Dec	Avianca
06 Dec - 09 Dec	Avianca	direct
01 Dec - 09 Dec	Avianca	direct
01 Dec - 18 Dec	Avianca	direct
11 Dec - 14 Dec	Avianca
15 Dec - 17 Dec	Avianca
01 Dec - 10 Dec	Avianca
21 Dec - 15 Jan	Avianca	direct
23 Dec - 02 Jan	Avianca
27 Dec - 04 Jan	Avianca
28 Dec - 04 Jan	Avianca
27 Dec - 03 Jan	Avianca

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 224€

Return flights