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

Return flights

20 Jan - 29 Jan	SWISS
23 Jan - 08 Feb	Lufthansa
29 Jan - 02 Feb	Lufthansa
11 Jan - 29 Jan	KLM
06 Jan - 21 Jan	KLM
22 Jan - 31 Jan	KLM
19 Jan - 31 Jan	KLM
22 Jan - 01 Feb	KLM
28 Jan - 25 Feb	SWISS
07 Jan - 20 Jan	KLM
07 Jan - 28 Jan	KLM
06 Jan - 20 Jan	KLM
09 Jan - 18 Jan	KLM
10 Jan - 22 Jan	KLM
23 Jan - 01 Feb	KLM
31 Jan - 14 Feb	KLM
16 Jan - 23 Feb	SWISS
25 Jan - 01 Feb	KLM
08 Jan - 06 Feb	SWISS
23 Jan - 06 Feb	SWISS

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

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 January from 621€

Return flights