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

Return flights

18 Aug - 15 Sep	Lufthansa
18 Aug - 25 Aug	Lufthansa
03 Aug - 13 Aug	Lufthansa
13 Aug - 18 Aug	Lufthansa
20 Aug - 25 Aug	Lufthansa
25 Aug - 10 Sep	Lufthansa
25 Aug - 30 Aug	Lufthansa
10 Aug - 16 Aug	Lufthansa
11 Aug - 16 Aug	Lufthansa
12 Aug - 16 Aug	Lufthansa
25 Aug - 29 Aug	Lufthansa
01 Aug - 11 Aug	Lufthansa
31 Aug - 07 Sep	SWISS
29 Aug - 02 Sep	Lufthansa
29 Aug - 05 Sep	Qatar Airways
25 Aug - 10 Sep	Asiana Airlines	direct
31 Aug - 07 Sep	Korean Air	direct
29 Aug - 02 Sep	Korean Air	direct
29 Aug - 05 Sep	Korean Air	direct

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 490€

Return flights