AirHint found the following cheapest one-way flights from Colombo (CMB) to Sydney (SYD) in September 2026 (see full year).
One-Way flights
| 22 Sep | AirAsia | ||
| 23 Sep | AirAsia | ||
| 24 Sep | AirAsia | ||
| 25 Sep | AirAsia | ||
| 01 Sep | Jetstar | ||
| 15 Sep | Jetstar | ||
| 26 Sep | AirAsia | ||
| 12 Sep | Jetstar | ||
| 22 Sep | SriLankan Airlines | direct | |
| 25 Sep | SriLankan Airlines | direct |
Also check the deals for return flights from Colombo to Sydney in September.
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