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

Return flights

04 Dec - 11 Dec	Spirit Airlines
08 Dec - 13 Dec	Spirit Airlines
09 Dec - 14 Dec	Spirit Airlines
11 Dec - 21 Dec	Delta
23 Dec - 01 Jan	Delta
26 Dec - 01 Jan	Delta
25 Dec - 02 Jan	Spirit Airlines
26 Dec - 02 Jan	Frontier Airlines
30 Dec - 03 Jan	Spirit Airlines
29 Dec - 04 Jan	Delta
19 Dec - 02 Jan	Delta
26 Dec - 03 Jan	Spirit Airlines

Also check the deals for one-way flights from Atlanta 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 Atlanta to Rio De Janeiro in December from 622€

Return flights