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

Return flights

04 Dec - 15 Dec	Air China
01 Dec - 15 Dec	Ryanair
07 Dec - 11 Dec	Air China
02 Dec - 15 Dec	Air India
08 Dec - 11 Dec	Ryanair
04 Dec - 13 Dec	Wizz Air UK
03 Dec - 11 Jan	Wizz Air Malta
08 Dec - 11 Jan	Ryanair
11 Dec - 07 Jan	Ryanair
02 Dec - 17 Dec	China Southern
03 Dec - 14 Jan	Etihad Airways
08 Dec - 21 Dec	Wizz Air UK
25 Dec - 15 Jan	Etihad Airways
02 Dec - 11 Jan	Air China
01 Dec - 31 Dec	China Southern
02 Dec - 31 Dec	China Southern
25 Dec - 18 Jan	Etihad Airways
27 Dec - 14 Jan	Etihad Airways
25 Dec - 24 Jan	Etihad Airways
02 Dec - 07 Jan	Vueling 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 $594

Return flights