AirHint found the following cheapest return flights from London (STN) to Kuala Lumpur (KUL) in September 2025 (see full year).

Return flights

28 Sep - 19 Oct	AJet
01 Sep - 10 Sep	Ryanair
27 Sep - 04 Oct	AJet
02 Sep - 16 Sep	Ryanair
26 Sep - 04 Oct	AJet
28 Sep - 04 Oct	AJet
12 Sep - 16 Oct	Pegasus Airlines
24 Sep - 16 Oct	Pegasus Airlines
13 Sep - 27 Sep	Pegasus Airlines
23 Sep - 27 Sep	AJet
26 Sep - 29 Sep	AJet
12 Sep - 19 Sep	Pegasus Airlines
13 Sep - 22 Sep	Pegasus Airlines
20 Sep - 28 Sep	AJet
21 Sep - 28 Sep	AJet
24 Sep - 21 Oct	AJet
16 Sep - 27 Sep	Ryanair
20 Sep - 18 Oct	AJet
10 Sep - 01 Oct	AJet
18 Sep - 16 Oct	Pegasus Airlines

Also check the deals for one-way flights from London to Kuala Lumpur 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 Kuala Lumpur in September from $580

Return flights