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

Return flights

15 Sep - 28 Oct	Wizz Air UK
29 Sep - 26 Oct	Wizz Air UK
23 Sep - 16 Oct	China Southern
26 Sep - 10 Oct	China Southern
08 Sep - 09 Oct	Wizz Air UK
21 Sep - 08 Oct	China Eastern
19 Sep - 02 Oct	China Southern
19 Sep - 11 Oct	China Southern
01 Sep - 29 Sep	Wizz Air UK
08 Sep - 24 Sep	Wizz Air UK
22 Sep - 15 Oct	China Southern
20 Sep - 11 Oct	China Southern
15 Sep - 24 Sep	Wizz Air UK
15 Sep - 29 Sep	Wizz Air UK
09 Sep - 24 Sep	Pegasus Airlines
05 Sep - 28 Sep	Wizz Air UK
09 Sep - 25 Sep	Pegasus Airlines
15 Sep - 25 Sep	Wizz Air UK
26 Sep - 29 Sep	Wizz Air UK
01 Sep - 24 Sep	Wizz Air UK

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 527€

Return flights