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

One-Way flights

23 Sep	AirAsia Cambodia	direct
22 Sep	AirAsia Cambodia	direct
21 Sep	AirAsia Cambodia	direct
11 Sep	AirAsia Cambodia	direct
09 Sep	AirAsia Cambodia	direct
12 Sep	AirAsia Cambodia	direct
15 Sep	AirAsia Cambodia	direct
17 Sep	AirAsia Cambodia	direct
16 Sep	AirAsia Cambodia	direct
05 Sep	AirAsia Cambodia	direct

Also check the deals for return 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 one-way flights from Kuala Lumpur to Phnom-penh in September from 35€

One-Way flights