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

Return flights

03 Dec - 09 Dec	Lufthansa
01 Dec - 11 Dec	Lufthansa
01 Dec - 10 Dec	Lufthansa
08 Dec - 11 Dec	Lufthansa
03 Dec - 08 Dec	Lufthansa
03 Dec - 11 Dec	Lufthansa
03 Dec - 10 Dec	Lufthansa
17 Dec - 30 Dec	Lufthansa
15 Dec - 05 Jan	Lufthansa
12 Dec - 05 Jan	Lufthansa
01 Dec - 15 Dec	Air France
29 Dec - 08 Jan	Air France
14 Dec - 28 Dec	Air France
28 Dec - 18 Jan	KLM
30 Dec - 13 Jan	Lufthansa
04 Dec - 30 Jan	Lufthansa
25 Dec - 04 Jan	Lufthansa
25 Dec - 09 Jan	Lufthansa
26 Dec - 04 Jan	Lufthansa
18 Dec - 04 Jan	Lufthansa

Also check the deals for one-way flights from Seoul 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 Seoul to Prague in December from $579

Return flights