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

Return flights

02 Sep - 16 Sep	Ryanair
07 Sep - 19 Sep	Ryanair
17 Sep - 15 Oct	Ryanair
07 Sep - 14 Sep	Ryanair
29 Sep - 15 Oct	Ryanair
16 Sep - 15 Oct	Ryanair
15 Sep - 15 Oct	Ryanair
27 Sep - 22 Oct	Ryanair
22 Sep - 15 Oct	Ryanair
08 Sep - 14 Sep	Ryanair
27 Sep - 21 Oct	Ryanair
20 Sep - 20 Oct	Ryanair
01 Sep - 12 Sep	Ryanair
01 Sep - 14 Sep	Ryanair
03 Sep - 12 Sep	Ryanair
30 Sep - 30 Oct	Ryanair
16 Sep - 19 Oct	Ryanair
10 Sep - 25 Sep	Pegasus Airlines
13 Sep - 23 Sep	Pegasus Airlines
03 Sep - 16 Sep	Ryanair

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 487€

Return flights