AirHint found the following cheapest return flights from Seoul (GMP) to Denpasar (DPS) in September 2026 (see full year).

Return flights

10 Sep - 14 Sep	Jeju Air
15 Sep - 29 Sep	EVA Air
30 Sep - 06 Oct	EVA Air
19 Sep - 24 Sep	EVA Air
08 Sep - 18 Sep	EVA Air
09 Sep - 18 Sep	EVA Air
18 Sep - 28 Sep	EVA Air
25 Sep - 06 Oct	EVA Air
19 Sep - 09 Oct	EVA Air
25 Sep - 05 Oct	EVA Air
22 Sep - 25 Sep	EVA Air
18 Sep - 25 Sep	EVA Air
23 Sep - 28 Sep	EVA Air

Also check the deals for one-way flights from Seoul to Denpasar in September.

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 September from 548€

Return flights