AirHint found the following cheapest return flights from Washington (DCA) to Rio Negro (MDE) in January 2026 (see full year).

Return flights

30 Jan - 06 Feb	United
21 Jan - 26 Jan	Frontier Airlines
15 Jan - 20 Jan	LATAM Airlines Group
22 Jan - 26 Jan	United
22 Jan - 25 Jan	United
08 Jan - 12 Jan	United
10 Jan - 17 Jan	LATAM Airlines Group
08 Jan - 11 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Washington to Rio Negro in January.

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 Washington to Rio Negro in January from 262€

Return flights