AirHint found the following cheapest return flights from Seoul (ICN) to Prague (PRG) in December 2026 (see full year).

Return flights

09 Dec - 13 Dec	Lufthansa
05 Dec - 10 Dec	Lufthansa
04 Dec - 10 Dec	Lufthansa
16 Dec - 24 Dec	Lufthansa
21 Dec - 27 Dec	Lufthansa
23 Dec - 29 Dec	Lufthansa
14 Dec - 20 Dec	Lufthansa
13 Dec - 20 Dec	Lufthansa
23 Dec - 31 Dec	Lufthansa
23 Dec - 27 Dec	Lufthansa
30 Dec - 03 Jan	Lufthansa
23 Dec - 03 Jan	Lufthansa
28 Dec - 01 Jan	Lufthansa
23 Dec - 02 Jan	Lufthansa
23 Dec - 01 Jan	Lufthansa
28 Dec - 06 Jan	Lufthansa
22 Dec - 01 Jan	Lufthansa
22 Dec - 04 Jan	Lufthansa
27 Dec - 01 Jan	Lufthansa
27 Dec - 03 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.

Book a cheap hotel in Prague

Cheap car rent in Prague

Cheapest return flights from Seoul to Prague in December from 468€

Return flights