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

Return flights

01 Sep - 29 Sep	SWISS
15 Sep - 29 Sep	SWISS
16 Sep - 29 Sep	SWISS
01 Sep - 15 Sep	SWISS
01 Sep - 30 Sep	SWISS
10 Sep - 30 Sep	SWISS
28 Sep - 05 Oct	KLM
16 Sep - 01 Oct	KLM
24 Sep - 05 Oct	KLM
21 Sep - 01 Oct	KLM
07 Sep - 13 Sep	KLM
09 Sep - 19 Sep	KLM
16 Sep - 14 Oct	KLM
19 Sep - 01 Oct	KLM
24 Sep - 08 Oct	KLM
08 Sep - 15 Sep	KLM
10 Sep - 15 Sep	KLM
06 Sep - 03 Oct	KLM
20 Sep - 03 Oct	KLM
17 Sep - 01 Oct	KLM

Also check the deals for one-way flights from London 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 London to Denpasar in September from $704

Return flights