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

Return flights

11 Sep - 25 Sep	Turkish Airlines
01 Sep - 30 Sep	Turkish Airlines
01 Sep - 22 Sep	Turkish Airlines
14 Sep - 27 Sep	Turkish Airlines
01 Sep - 15 Sep	Turkish Airlines
13 Sep - 27 Sep	Turkish Airlines
01 Sep - 16 Sep	Turkish Airlines
21 Sep - 28 Sep	Turkish Airlines
05 Sep - 22 Sep	Turkish Airlines
01 Sep - 09 Sep	Turkish Airlines
12 Sep - 10 Oct	Turkish Airlines
22 Sep - 14 Oct	Turkish Airlines
01 Sep - 27 Oct	KLM
20 Sep - 04 Oct	Norwegian Air Sweden AOC
26 Sep - 10 Oct	Finnair
24 Sep - 23 Oct	Lufthansa

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 $970

Return flights