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

Return flights

04 Dec - 10 Dec	Etihad Airways
04 Dec - 08 Dec	Etihad Airways
07 Dec - 11 Dec	Lufthansa
03 Dec - 06 Dec	Lufthansa
08 Dec - 11 Dec	Lufthansa
03 Dec - 08 Dec	Air France
03 Dec - 11 Dec	Lufthansa
03 Dec - 09 Dec	Lufthansa
03 Dec - 07 Dec	Lufthansa
07 Dec - 10 Dec	Air France
16 Dec - 22 Jan	Air France
16 Dec - 23 Jan	Air France
15 Dec - 22 Jan	Air France
09 Dec - 21 Jan	Air France
15 Dec - 10 Jan	Lufthansa
15 Dec - 13 Jan	Lufthansa
16 Dec - 11 Jan	Air France
17 Dec - 17 Jan	Lufthansa
14 Dec - 10 Jan	Air France
14 Dec - 12 Jan	Air France

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 491€

Return flights