AirHint found the following cheapest return flights from Kuala Lumpur (KUL) to Phnom-penh (PNH) in September 2025 (see full year).

Return flights

04 Sep - 08 Sep	AirAsia Cambodia	direct
06 Sep - 08 Sep	AirAsia Cambodia	direct
04 Sep - 07 Sep	AirAsia Cambodia	direct
05 Sep - 07 Sep	AirAsia Cambodia	direct
06 Sep - 06 Sep	AirAsia Cambodia	direct
02 Sep - 06 Sep	AirAsia Cambodia	direct
04 Sep - 06 Sep	AirAsia Cambodia	direct
02 Sep - 05 Sep	AirAsia Cambodia	direct
02 Sep - 04 Sep	AirAsia Cambodia	direct
03 Sep - 06 Sep	AirAsia Cambodia	direct
06 Sep - 02 Oct	AirAsia Cambodia

Also check the deals for one-way flights from Kuala Lumpur to Phnom-penh 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 Phnom-penh in September from $179

Return flights