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

Return flights

05 Dec - 18 Dec	Hainan Airlines
12 Dec - 18 Dec	Hainan Airlines
17 Dec - 31 Dec	Vueling Airlines
29 Dec - 19 Jan	Smart Wings
21 Dec - 30 Dec	Ryanair
03 Dec - 17 Dec	Austrian Airlines
26 Dec - 05 Jan	China Eastern
28 Dec - 09 Jan	Lufthansa
28 Dec - 10 Jan	Lufthansa
18 Dec - 10 Jan	KLM

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 537€

Return flights