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

Return flights

01 Dec - 10 Dec	China Southern
01 Dec - 17 Dec	China Southern
07 Dec - 14 Dec	Saudia
06 Dec - 13 Dec	Saudia
30 Dec - 10 Jan	Saudia
05 Dec - 21 Jan	Etihad Airways
27 Dec - 17 Jan	British Airways
07 Dec - 06 Jan	Saudia
10 Dec - 21 Jan	British Airways
24 Dec - 31 Dec	Lufthansa
10 Dec - 10 Jan	British Airways
15 Dec - 14 Jan	Lufthansa
16 Dec - 09 Jan	Lufthansa
23 Dec - 30 Jan	Lufthansa
04 Dec - 14 Dec	British Airways
15 Dec - 28 Dec	Lufthansa
12 Dec - 16 Jan	Turkish Airlines
12 Dec - 23 Dec	Lufthansa
10 Dec - 29 Dec	KLM
22 Dec - 29 Dec	Turkish Airlines

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

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 December from $765

Return flights