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

Return flights

27 Dec - 04 Jan	Copa
29 Dec - 04 Jan	Copa
17 Dec - 22 Dec	Avianca	direct
22 Dec - 29 Dec	Avianca	direct
17 Dec - 24 Dec	Avianca	direct
27 Dec - 04 Jan	Avianca	direct
29 Dec - 04 Jan	Avianca	direct
08 Dec - 15 Dec	Avianca	direct
04 Dec - 07 Dec	Avianca	direct
19 Dec - 30 Jan	Avianca	direct
23 Dec - 29 Dec	Avianca	direct
15 Dec - 21 Dec	Avianca	direct
24 Dec - 01 Jan	Avianca
26 Dec - 30 Dec	Copa
22 Dec - 26 Dec	Avianca	direct
23 Dec - 26 Dec	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.

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Cheapest return flights from San Salvador to Rio Negro in December from 255€

Return flights