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

Return flights

16 Sep - 01 Oct	Turkish Airlines
01 Sep - 30 Sep	Turkish Airlines
23 Sep - 10 Oct	Pegasus Airlines
04 Sep - 24 Sep	Turkish Airlines
01 Sep - 16 Sep	Turkish Airlines
22 Sep - 13 Oct	Turkish Airlines
01 Sep - 27 Sep	Turkish Airlines
22 Sep - 05 Oct	Ryanair
02 Sep - 16 Sep	Turkish Airlines
01 Sep - 22 Sep	Turkish Airlines
08 Sep - 22 Sep	Turkish Airlines
20 Sep - 01 Oct	KLM
25 Sep - 21 Oct	KLM
03 Sep - 10 Sep	Turkish Airlines
01 Sep - 20 Sep	Turkish Airlines
08 Sep - 23 Oct	Turkish Airlines
04 Sep - 13 Sep	Turkish Airlines
01 Sep - 27 Oct	KLM

Also check the deals for one-way flights from Helsinki 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 Helsinki to Denpasar in September from 768€

Return flights