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

Return flights

11 Aug - 16 Aug	China Southern
09 Aug - 14 Aug	Asiana Airlines
01 Aug - 08 Aug	China Southern
18 Aug - 22 Aug	Asiana Airlines
14 Aug - 26 Aug	Japan Airlines
17 Aug - 21 Aug	Japan Airlines
14 Aug - 28 Aug	Japan Airlines
17 Aug - 22 Aug	Japan Airlines
27 Aug - 07 Sep	Japan Airlines
30 Aug - 02 Sep	Japan Airlines
28 Aug - 02 Sep	Japan Airlines
26 Aug - 07 Sep	Japan Airlines
21 Aug - 27 Aug	Japan Airlines
20 Aug - 27 Aug	Japan Airlines
29 Aug - 05 Sep	Japan Airlines
26 Aug - 06 Sep	Japan Airlines
27 Aug - 06 Sep	Japan Airlines
30 Aug - 06 Sep	Japan Airlines
28 Aug - 01 Sep	Japan Airlines
06 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 $1048

Return flights