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

Return flights

22 Dec - 24 Dec	Avianca	direct
08 Dec - 15 Dec	Avianca	direct
01 Dec - 06 Dec	Avianca	direct
10 Dec - 15 Dec	Avianca	direct
03 Dec - 10 Dec	Avianca	direct
11 Dec - 16 Dec	Avianca	direct
01 Dec - 02 Dec	Avianca	direct
03 Dec - 08 Dec	Avianca	direct
01 Dec - 10 Dec	Avianca	direct
08 Dec - 12 Dec	Avianca	direct
21 Dec - 15 Jan	Avianca	direct
27 Dec - 06 Jan	Avianca
25 Dec - 01 Jan	Avianca
23 Dec - 02 Jan	Avianca
29 Dec - 02 Jan	Avianca
26 Dec - 02 Jan	Avianca
26 Dec - 05 Jan	Avianca
27 Dec - 05 Jan	Avianca
25 Dec - 02 Jan	Avianca
27 Dec - 03 Jan	Avianca	direct

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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Cheapest return flights from San Salvador to Rio Negro in December from 195€

Return flights