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

One-Way flights

20 Dec	Sichuan Airlines
13 Dec	Sichuan Airlines
08 Dec	Air China
12 Dec	T'way Air
15 Dec	T'way Air
14 Dec	T'way Air
24 Dec	China Southern
03 Dec	China Eastern
06 Dec	Etihad Airways
25 Dec	Etihad Airways

Also check the deals for return 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 one-way flights from Seoul to Prague in December from $298

One-Way flights