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

Return flights

14 Sep - 21 Sep	SWISS
11 Sep - 20 Sep	SWISS
16 Sep - 30 Sep	Qatar Airways
14 Sep - 30 Sep	Qatar Airways
01 Sep - 15 Sep	Qatar Airways
07 Sep - 01 Oct	Qatar Airways
14 Sep - 27 Sep	Vueling Airlines
04 Sep - 19 Sep	Wizz Air UK
18 Sep - 30 Sep	Wizz Air UK
11 Sep - 27 Sep	Wizz Air UK
11 Sep - 26 Sep	Air China
03 Sep - 03 Oct	SWISS
19 Sep - 03 Oct	easyJet

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

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 September from 588€

Return flights