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

Return flights

19 Sep - 28 Sep	AirAsia
19 Sep - 25 Sep	AirAsia
19 Sep - 24 Sep	AirAsia
04 Sep - 05 Oct	Scoot
25 Sep - 30 Sep	AirAsia X
01 Sep - 23 Sep	Malaysia Airlines
21 Sep - 25 Sep	Malaysia Airlines
04 Sep - 05 Oct	Korean Air	direct
19 Sep - 25 Sep	Korean Air	direct
21 Sep - 25 Sep	Korean Air	direct
19 Sep - 24 Sep	Korean Air	direct
25 Sep - 30 Sep	Korean Air	direct

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 $288

Return flights