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

Return flights

10 Dec - 13 Dec	Wizz Air Malta
16 Dec - 19 Dec	Lufthansa
15 Dec - 22 Dec	Lufthansa
18 Dec - 22 Dec	Lufthansa
18 Dec - 21 Dec	Lufthansa
26 Dec - 29 Dec	Lufthansa
04 Dec - 07 Dec	Austrian Airlines
05 Dec - 07 Dec	Austrian Airlines
30 Dec - 02 Jan	Lufthansa
06 Dec - 09 Dec	Lufthansa
22 Dec - 02 Jan	Lufthansa
20 Dec - 24 Dec	Lufthansa
29 Dec - 04 Jan	Lufthansa
29 Dec - 01 Jan	Lufthansa
31 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Cologne 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 Cologne to Prague in December from $204

Return flights