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

Return flights

23 Aug - 30 Aug	Air China
29 Aug - 07 Sep	Air China
27 Aug - 02 Sep	Japan Airlines
28 Aug - 31 Aug	Japan Airlines
27 Aug - 31 Aug	Japan Airlines
28 Aug - 02 Sep	Japan Airlines
10 Aug - 31 Aug	Japan Airlines
21 Aug - 29 Aug	Japan Airlines
28 Aug - 11 Sep	Japan Airlines
18 Aug - 22 Aug	Japan Airlines
01 Aug - 05 Aug	Japan Airlines
18 Aug - 24 Aug	Japan Airlines
18 Aug - 26 Aug	Japan Airlines
20 Aug - 26 Aug	Japan Airlines
30 Aug - 05 Sep	Japan Airlines
28 Aug - 04 Sep	Japan Airlines
28 Aug - 01 Sep	Japan Airlines
28 Aug - 06 Sep	Japan Airlines
01 Aug - 30 Sep	Japan Airlines
24 Aug - 01 Sep	Japan Airlines

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 822€

Return flights