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

Return flights

01 Dec - 10 Dec	Copa
08 Dec - 12 Dec	Copa
09 Dec - 13 Dec	Copa
01 Dec - 06 Dec	Avianca	direct
01 Dec - 10 Dec	Avianca	direct
03 Dec - 06 Dec	Avianca	direct
05 Dec - 08 Dec	Avianca
06 Dec - 20 Dec	Avianca	direct
08 Dec - 12 Dec	Avianca	direct
17 Dec - 24 Dec	Avianca	direct
21 Dec - 15 Jan	Avianca	direct
28 Dec - 04 Jan	Avianca
27 Dec - 04 Jan	Avianca
27 Dec - 03 Jan	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 $246

Return flights