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

Return flights

29 Dec - 27 Jan	Saudia
31 Dec - 31 Jan	Saudia
29 Dec - 26 Jan	Saudia
29 Dec - 17 Jan	Saudia
29 Dec - 22 Jan	Saudia
30 Dec - 14 Jan	KM Malta Airlines
31 Dec - 19 Jan	Turkish Airlines
31 Dec - 17 Jan	Turkish Airlines
27 Dec - 14 Jan	Qatar Airways
31 Dec - 18 Jan	British Airways
28 Dec - 29 Dec	LOT

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.

Book a cheap hotel in Jakarta

Cheap car rent in Jakarta

Cheapest return flights from London to Jakarta in December from 688€

Return flights