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

Return flights

03 Dec - 06 Dec	Avianca	direct
01 Dec - 10 Dec	Avianca	direct
05 Dec - 08 Dec	Avianca
18 Dec - 25 Dec	Avianca	direct
17 Dec - 24 Dec	Avianca	direct
21 Dec - 15 Jan	Avianca	direct
05 Dec - 26 Dec	Avianca	direct
06 Dec - 20 Dec	Avianca	direct
22 Dec - 24 Dec	Avianca	direct
23 Dec - 28 Dec	Avianca
25 Dec - 31 Dec	Copa
28 Dec - 04 Jan	Avianca
28 Dec - 04 Jan	Avianca	direct
27 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 208€

Return flights