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

Return flights

01 Dec - 07 Dec	Hainan Airlines
05 Dec - 18 Dec	Hainan Airlines
01 Dec - 30 Dec	Hainan Airlines
11 Dec - 18 Dec	easyJet
05 Dec - 14 Dec	Hainan Airlines
02 Dec - 14 Dec	Air France
04 Dec - 11 Dec	KLM
14 Dec - 31 Dec	Finnair
21 Dec - 28 Dec	Air France
14 Dec - 21 Dec	Finnair
15 Dec - 01 Jan	Hainan Airlines
30 Dec - 06 Jan	Finnair
16 Dec - 06 Jan	Finnair
15 Dec - 06 Jan	Hainan Airlines
16 Dec - 01 Jan	Finnair
12 Dec - 09 Jan	Finnair
24 Dec - 04 Jan	Vueling Airlines
18 Dec - 06 Jan	Ryanair
28 Dec - 08 Jan	Finnair
30 Dec - 06 Jan	Asiana Airlines	direct

Also check the deals for one-way flights from Prague to Seoul 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 Prague to Seoul in December from $631

Return flights