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

Return flights

26 Aug - 01 Sep	Etihad Airways
26 Aug - 09 Sep	Lufthansa
26 Aug - 31 Aug	Etihad Airways
28 Aug - 07 Sep	Etihad Airways
20 Aug - 28 Aug	Emirates
25 Aug - 02 Sep	Emirates
25 Aug - 09 Sep	Emirates
18 Aug - 04 Sep	Emirates
24 Aug - 02 Sep	Lufthansa
26 Aug - 02 Sep	Lufthansa
28 Aug - 02 Sep	Lufthansa
27 Aug - 09 Sep	Emirates
18 Aug - 21 Aug	Emirates
20 Aug - 26 Aug	Emirates
18 Aug - 28 Aug	Emirates
19 Aug - 26 Aug	Emirates
20 Aug - 25 Aug	Emirates
18 Aug - 25 Aug	Emirates
27 Aug - 31 Aug	Emirates
28 Aug - 31 Aug	Etihad Airways

Also check the deals for one-way flights from Seoul to Prague in August.

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 Seoul to Prague in August from 562€

Return flights