AirHint found the following cheapest return flights from Atlanta (ATL) to Berlin (BER) in December 2025 (see full year).

Return flights

08 Dec - 15 Dec	Austrian Airlines
07 Dec - 17 Dec	Lufthansa
11 Dec - 17 Dec	Frontier Airlines
15 Dec - 10 Jan	Spirit Airlines
30 Dec - 09 Jan	Frontier Airlines
31 Dec - 07 Jan	Frontier Airlines
29 Dec - 09 Jan	United
16 Dec - 10 Jan	Frontier Airlines
18 Dec - 10 Jan	Frontier Airlines
05 Dec - 20 Dec	Scandinavian Airlines
11 Dec - 16 Dec	Delta
11 Dec - 03 Jan	Spirit Airlines
19 Dec - 26 Dec	Frontier Airlines
12 Dec - 03 Jan	Frontier Airlines
23 Dec - 08 Jan	British Airways
21 Dec - 02 Jan	Frontier Airlines
20 Dec - 28 Dec	Delta

Also check the deals for one-way flights from Atlanta to Berlin 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 Berlin in December from $534

Return flights