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

Return flights

09 Dec - 14 Dec	Delta
10 Dec - 15 Dec	Spirit Airlines
11 Dec - 15 Dec	Spirit Airlines
15 Dec - 23 Dec	British Airways
17 Dec - 10 Jan	Frontier Airlines
22 Dec - 17 Jan	British Airways
16 Dec - 29 Dec	British Airways
19 Dec - 10 Jan	Frontier Airlines
18 Dec - 09 Jan	Frontier Airlines
20 Dec - 10 Jan	Frontier Airlines
19 Dec - 28 Dec	Frontier Airlines
20 Dec - 29 Dec	Frontier Airlines
19 Dec - 26 Dec	Frontier Airlines
19 Dec - 29 Dec	Air France

Also check the deals for one-way flights from Atlanta to Prague 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 Prague in December from 479€

Return flights