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

Return flights

25 Aug - 18 Sep	Austrian Airlines
21 Aug - 18 Sep	Oman Air
24 Aug - 19 Sep	Etihad Airways
26 Aug - 13 Sep	Air India
24 Aug - 12 Sep	Air India
25 Aug - 12 Sep	Air India
25 Aug - 13 Sep	Air India
19 Aug - 13 Sep	Air India
16 Aug - 10 Sep	Qatar Airways
27 Aug - 10 Sep	Qatar Airways
13 Aug - 31 Aug	Saudia
12 Aug - 26 Aug	Air India
12 Aug - 20 Aug	China Airlines
12 Aug - 24 Aug	Air India
13 Aug - 27 Aug	Saudia
15 Aug - 31 Aug	Saudia
14 Aug - 31 Aug	Saudia
04 Aug - 25 Aug	Qatar Airways
13 Aug - 28 Aug	Saudia
12 Aug - 27 Aug	Air India

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 612€

Return flights