AirHint found the following cheapest one-way flights from Phnom-penh (PNH) to Colombo (CMB) in December 2025 (see full year).
One-Way flights
| 14 Dec | Thai AirAsia | ||
| 18 Dec | Thai AirAsia | ||
| 13 Dec | Thai AirAsia | ||
| 24 Dec | Air Cambodia | ||
| 26 Dec | AirAsia Cambodia | ||
| 25 Dec | AirAsia Cambodia |
Also check the deals for return flights from Phnom-penh to Colombo in December.
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.
Find us on social media