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

Return flights

28 Dec - 07 Jan	Etihad Airways
04 Dec - 08 Dec	Etihad Airways
07 Dec - 11 Dec	Lufthansa
03 Dec - 06 Dec	Lufthansa
03 Dec - 11 Dec	Lufthansa
03 Dec - 09 Dec	Lufthansa
03 Dec - 08 Dec	Lufthansa
06 Dec - 10 Dec	Lufthansa
03 Dec - 10 Dec	Lufthansa
15 Dec - 22 Jan	Lufthansa
02 Dec - 07 Dec	Air France
05 Dec - 11 Dec	Air France
16 Dec - 08 Jan	Air France
28 Dec - 10 Jan	Lufthansa
28 Dec - 06 Jan	Lufthansa
29 Dec - 04 Jan	LOT
29 Dec - 07 Jan	LOT
30 Dec - 13 Jan	LOT
27 Dec - 04 Jan	LOT
30 Dec - 04 Jan	LOT

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 $568

Return flights