AirHint found the following cheapest return flights from Washington (DCA) to Rio De Janeiro (GIG) in December 2025 (see full year).

Return flights

29 Dec - 06 Jan	LATAM Airlines Group
27 Dec - 02 Jan	LATAM Airlines Group
27 Dec - 03 Jan	LATAM Airlines Group
29 Dec - 02 Jan	LATAM Airlines Group
28 Dec - 05 Jan	LATAM Airlines Group
26 Dec - 10 Jan	Delta

Also check the deals for one-way flights from Washington to Rio De Janeiro 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 De Janeiro

Cheap car rent in Rio De Janeiro

Cheapest return flights from Washington to Rio De Janeiro in December from $1136

Return flights