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

Return flights

02 Dec - 06 Dec	LOT
02 Dec - 07 Dec	LOT
06 Dec - 13 Dec	LOT
09 Dec - 13 Dec	LOT
03 Dec - 09 Dec	LOT
03 Dec - 06 Dec	LOT
02 Dec - 11 Dec	Air France
11 Dec - 14 Dec	Air France
08 Dec - 11 Dec	Air France
05 Dec - 13 Dec	Air France
17 Dec - 30 Jan	Lufthansa
15 Dec - 12 Jan	Lufthansa
15 Dec - 07 Jan	Lufthansa
25 Dec - 01 Jan	Lufthansa
25 Dec - 06 Jan	Lufthansa
30 Dec - 06 Jan	Lufthansa
25 Dec - 04 Jan	Lufthansa
26 Dec - 04 Jan	Lufthansa
30 Dec - 04 Jan	Lufthansa
30 Dec - 05 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 489€

Return flights