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

Return flights

20 Sep - 30 Sep	Shenzhen Airlines
20 Sep - 10 Oct	Shenzhen Airlines
20 Sep - 11 Oct	Shenzhen Airlines
22 Sep - 17 Oct	China Southern
08 Sep - 03 Oct	Shenzhen Airlines
22 Sep - 15 Oct	Austrian Airlines
15 Sep - 22 Sep	Air India
16 Sep - 23 Sep	Air India
22 Sep - 29 Sep	Air India
23 Sep - 30 Sep	Air India
03 Sep - 30 Sep	Shenzhen Airlines
18 Sep - 25 Sep	Saudia
09 Sep - 03 Oct	Air India
22 Sep - 28 Sep	Saudia
20 Sep - 03 Oct	Shenzhen Airlines
29 Sep - 06 Oct	Saudia
17 Sep - 24 Sep	Air India
08 Sep - 30 Sep	Shenzhen Airlines
24 Sep - 01 Oct	Air India
20 Sep - 18 Oct	Shenzhen Airlines

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 $694

Return flights