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

Return flights

26 Aug - 01 Sep	Eastar Jet
28 Aug - 01 Sep	Air Busan
25 Aug - 31 Aug	Eastar Jet
23 Aug - 27 Aug	Jeju Air
23 Aug - 26 Aug	Jeju Air
25 Aug - 28 Aug	Eastar Jet
24 Aug - 27 Aug	Jeju Air
19 Aug - 25 Aug	Eastar Jet
24 Aug - 28 Aug	Korean Air
22 Aug - 26 Aug	Jeju Air
29 Aug - 04 Sep	Jin Air
18 Aug - 20 Aug	Jin Air
18 Aug - 25 Aug	Jin Air
16 Aug - 14 Sep	China Eastern
30 Aug - 09 Sep	EVA Air
30 Aug - 01 Sep	EVA Air
30 Aug - 04 Sep	EVA Air
30 Aug - 02 Sep	EVA Air
20 Aug - 01 Sep	EVA Air
27 Aug - 02 Sep	EVA Air

Also check the deals for one-way flights from Seoul to Denpasar 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 Denpasar in August from 336€

Return flights