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

Return flights

14 Sep - 04 Oct	easyJet
21 Sep - 11 Oct	easyJet
23 Sep - 30 Sep	easyJet
09 Sep - 27 Sep	Ryanair
28 Sep - 11 Oct	easyJet
28 Sep - 18 Oct	easyJet
18 Sep - 04 Oct	easyJet
01 Sep - 16 Sep	easyJet
14 Sep - 27 Sep	easyJet
07 Sep - 27 Sep	easyJet
08 Sep - 21 Sep	easyJet
21 Sep - 27 Sep	easyJet
07 Sep - 20 Sep	easyJet
02 Sep - 20 Sep	easyJet
07 Sep - 13 Sep	easyJet

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 $925

Return flights