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

Return flights

06 Dec - 13 Dec	LOT
02 Dec - 09 Dec	LOT
02 Dec - 08 Dec	LOT
02 Dec - 13 Dec	LOT
03 Dec - 14 Dec	LOT
08 Dec - 11 Dec	Air France
07 Dec - 11 Dec	KLM
02 Dec - 11 Dec	Air France
10 Dec - 15 Dec	Lufthansa
17 Dec - 31 Dec	Lufthansa
17 Dec - 05 Jan	Lufthansa
01 Dec - 31 Jan	Lufthansa
26 Dec - 09 Jan	Lufthansa
26 Dec - 05 Jan	Lufthansa
26 Dec - 01 Jan	Qatar Airways
23 Dec - 09 Jan	Qatar Airways
23 Dec - 06 Jan	Qatar Airways
25 Dec - 01 Jan	Lufthansa
30 Dec - 05 Jan	Etihad Airways
30 Dec - 04 Jan	Etihad Airways

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 495€

Return flights