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

Return flights

30 Dec - 22 Jan	LATAM Airlines Group
08 Dec - 12 Dec	LATAM Airlines Group
31 Dec - 14 Jan	LATAM Airlines Group
06 Dec - 24 Dec	LATAM Airlines Group
09 Dec - 13 Dec	LATAM Airlines Group
06 Dec - 13 Dec	GOL Linhas Aéreas
05 Dec - 09 Dec	United
08 Dec - 27 Dec	LATAM Airlines Group
09 Dec - 16 Dec	jetBlue
09 Dec - 21 Dec	United
23 Dec - 22 Jan	LATAM Airlines Group
09 Dec - 30 Dec	United
24 Dec - 20 Jan	LATAM Airlines Group
23 Dec - 24 Dec	LATAM Airlines Group
24 Dec - 15 Jan	Delta
24 Dec - 16 Jan	Delta
24 Dec - 17 Jan	Delta
23 Dec - 16 Jan	LATAM Airlines Group
29 Dec - 13 Jan	GOL Linhas Aéreas
24 Dec - 14 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.

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Cheapest return flights from Washington to Rio De Janeiro in December from 550€

Return flights