AirHint found the following cheapest return flights from London (LCY) to Jakarta (CGK) in August 2025 (see full year).

Return flights

15 Aug - 30 Sep	Air Dolomiti
26 Aug - 16 Sep	KLM
23 Aug - 22 Sep	KLM
24 Aug - 21 Sep	SWISS
26 Aug - 09 Sep	KLM
27 Aug - 09 Sep	KLM
31 Aug - 15 Sep	Lufthansa
28 Aug - 09 Sep	KLM
24 Aug - 07 Sep	KLM
28 Aug - 11 Sep	KLM
14 Aug - 17 Aug	KLM
21 Aug - 26 Aug	SWISS
06 Aug - 13 Aug	British Airways
20 Aug - 26 Aug	British Airways
18 Aug - 27 Aug	British Airways
14 Aug - 31 Aug	KLM
21 Aug - 28 Aug	Lufthansa
20 Aug - 25 Aug	SWISS
05 Aug - 13 Aug	British Airways
12 Aug - 19 Aug	SWISS

Also check the deals for one-way flights from London to Jakarta in August.

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 Jakarta in August from $856

Return flights