AirHint found the following cheapest return flights from Colombo (CMB) to Phnom-penh (PNH) in September 2025 (see full year).
Return flights
| 03 Sep - 04 Sep | AirAsia | ||
| 03 Sep - 07 Sep | AirAsia | ||
| 09 Sep - 13 Sep | Thai AirAsia | ||
| 03 Sep - 08 Sep | AirAsia | ||
| 12 Sep - 19 Sep | Singapore Airlines |
Also check the deals for one-way flights from Colombo 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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