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

Return flights

19 Sep - 30 Oct	AJet
02 Sep - 16 Sep	Ryanair
30 Sep - 29 Oct	Ryanair
23 Sep - 11 Oct	Pegasus Airlines
16 Sep - 23 Sep	Pegasus Airlines
22 Sep - 15 Oct	Pegasus Airlines
29 Sep - 27 Oct	Ryanair
20 Sep - 09 Oct	Pegasus Airlines
22 Sep - 28 Sep	Pegasus Airlines
15 Sep - 28 Sep	AJet
15 Sep - 27 Sep	AJet
03 Sep - 24 Sep	Ryanair
30 Sep - 30 Oct	Ryanair
16 Sep - 27 Sep	Pegasus Airlines
12 Sep - 16 Oct	AJet
29 Sep - 28 Oct	Ryanair
10 Sep - 17 Sep	Ryanair
20 Sep - 27 Sep	Pegasus Airlines
12 Sep - 16 Sep	Pegasus Airlines
23 Sep - 08 Oct	Pegasus 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 617€

Return flights