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

Return flights

26 Sep - 12 Oct	Scoot
30 Sep - 12 Oct	Scoot
11 Sep - 14 Sep	VietJet Air
23 Sep - 13 Oct	AirAsia
30 Sep - 13 Oct	AirAsia
25 Sep - 13 Oct	AirAsia
23 Sep - 12 Oct	AirAsia
30 Sep - 15 Oct	AirAsia
25 Sep - 15 Oct	AirAsia
25 Sep - 12 Oct	AirAsia
28 Sep - 13 Oct	Indonesia AirAsia
19 Sep - 26 Sep	VietJet Air
17 Sep - 24 Sep	VietJet Air
12 Sep - 21 Sep	VietJet Air
11 Sep - 23 Sep	Indonesia AirAsia
04 Sep - 11 Sep	Cebu Pacific
18 Sep - 22 Sep	China Southern
21 Sep - 23 Sep	AirAsia
06 Sep - 23 Sep	Thai AirAsia
25 Sep - 28 Sep	VietJet Air

Also check the deals for one-way flights from Denpasar to Seoul 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 Denpasar to Seoul in September from $275

Return flights