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

Return flights

13 Sep - 03 Oct	Pegasus Airlines
19 Sep - 29 Sep	SWISS
10 Sep - 22 Sep	SWISS
14 Sep - 22 Sep	SWISS
09 Sep - 22 Sep	SWISS
12 Sep - 26 Sep	Pegasus Airlines
13 Sep - 31 Oct	Pegasus Airlines
16 Sep - 29 Sep	SWISS
14 Sep - 05 Oct	Pegasus Airlines
10 Sep - 08 Oct	SWISS
13 Sep - 22 Sep	SWISS
15 Sep - 22 Sep	SWISS
21 Sep - 06 Oct	SWISS
12 Sep - 22 Sep	Lufthansa
13 Sep - 24 Sep	Wizz Air UK
22 Sep - 06 Oct	SWISS
26 Sep - 14 Oct	Wizz Air Malta
24 Sep - 15 Oct	Lufthansa
28 Sep - 09 Oct	Ryanair
28 Sep - 22 Oct	Lufthansa

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 533€

Return flights