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

Return flights

25 Sep - 02 Oct	AirAsia
22 Sep - 29 Sep	Oman Air
26 Sep - 06 Oct	Oman Air
29 Sep - 10 Oct	Emirates
30 Sep - 06 Oct	Singapore Airlines
29 Sep - 09 Oct	Emirates
30 Sep - 09 Oct	Emirates
30 Sep - 12 Oct	Emirates
30 Sep - 07 Oct	Emirates
30 Sep - 28 Oct	Emirates
29 Sep - 03 Oct	Emirates
25 Sep - 30 Sep	AirAsia
23 Sep - 27 Sep	Oman Air
23 Sep - 29 Sep	Oman Air
24 Sep - 28 Sep	British Airways	direct
21 Sep - 24 Sep	AirAsia
26 Sep - 30 Sep	Qatar Airways
21 Sep - 25 Sep	Saudia
21 Sep - 27 Sep	SriLankan Airlines
21 Sep - 23 Sep	SriLankan Airlines

Also check the deals for one-way flights from Kuala Lumpur to London 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 Kuala Lumpur to London in September from 585€

Return flights