AirHint found the following cheapest return flights from London (LCY) to Jakarta (CGK) in August 2026 (see full year).

Return flights

24 Aug - 14 Sep	KLM
17 Aug - 07 Sep	KLM
24 Aug - 07 Sep	KLM
21 Aug - 06 Sep	KLM
22 Aug - 12 Sep	KLM
31 Aug - 12 Sep	KLM
22 Aug - 05 Sep	KLM
24 Aug - 12 Sep	KLM
16 Aug - 30 Aug	KLM
23 Aug - 31 Aug	SWISS
26 Aug - 16 Sep	British Airways
13 Aug - 27 Aug	SWISS
18 Aug - 31 Aug	KLM
11 Aug - 31 Aug	KLM
11 Aug - 24 Aug	KLM
04 Aug - 19 Sep	KLM
01 Aug - 31 Aug	SWISS
04 Aug - 31 Aug	KLM
09 Aug - 16 Aug	KLM
05 Aug - 23 Aug	British Airways

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 $859

Return flights