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

Return flights

08 Dec - 21 Dec	Hainan Airlines
04 Dec - 10 Dec	Ryanair
01 Dec - 14 Dec	Hainan Airlines
08 Dec - 16 Dec	Hainan Airlines
08 Dec - 14 Dec	Hainan Airlines
04 Dec - 11 Dec	Ryanair
10 Dec - 17 Dec	easyJet
03 Dec - 14 Dec	Etihad Airways
10 Dec - 23 Dec	Hainan Airlines
04 Dec - 14 Dec	KLM
27 Dec - 31 Jan	KLM
24 Dec - 07 Jan	Finnair
12 Dec - 09 Jan	Finnair
26 Dec - 05 Jan	Hainan Airlines
14 Dec - 04 Jan	Finnair
26 Dec - 07 Jan	Smart Wings
26 Dec - 02 Jan	Korean Air	direct
14 Dec - 10 Jan	Lufthansa
24 Dec - 06 Jan	Finnair
25 Dec - 02 Jan	Finnair

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 494€

Return flights