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

Return flights

30 Aug - 15 Sep	Ryanair
26 Aug - 09 Sep	Ryanair
29 Aug - 17 Sep	Ryanair
26 Aug - 18 Sep	Ryanair
31 Aug - 07 Sep	Pegasus Airlines
26 Aug - 02 Sep	Ryanair
29 Aug - 14 Sep	Ryanair
30 Aug - 13 Sep	Ryanair
26 Aug - 30 Sep	Ryanair
12 Aug - 11 Sep	Ryanair
24 Aug - 31 Aug	Pegasus Airlines
13 Aug - 27 Aug	Ryanair
17 Aug - 22 Aug	Pegasus Airlines
10 Aug - 28 Aug	Ryanair
07 Aug - 28 Aug	Ryanair
19 Aug - 28 Aug	Ryanair
11 Aug - 27 Aug	Ryanair
21 Aug - 30 Aug	Ryanair
14 Aug - 28 Aug	Ryanair
07 Aug - 26 Aug	Ryanair

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 684€

Return flights