AirHint found the following cheapest one-way flights from Bangkok (DMK) to Phnom-penh (PNH) in October 2025 (see full year).

One-Way flights

03 Oct	Thai AirAsia	direct
08 Oct	Thai AirAsia	direct
21 Oct	Thai AirAsia	direct
04 Oct	Thai AirAsia	direct
27 Oct	Thai AirAsia	direct
16 Oct	Thai AirAsia	direct
15 Oct	Thai AirAsia	direct
20 Oct	Thai AirAsia	direct
23 Oct	Thai AirAsia	direct

Also check the deals for return flights from Bangkok to Phnom-penh in October.

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 Bangkok to Phnom-penh in October from $46

One-Way flights