AirHint found the following cheapest one-way flights from Istanbul (IST) to Colombo (CMB) in September 2026 (see full year).
One-Way flights
| 11 Sep | Air Arabia | ||
| 09 Sep | Turkish Airlines | direct | |
| 04 Sep | flydubai | ||
| 11 Sep | Turkish Airlines | direct |
Also check the deals for return flights from Istanbul to Colombo in September.
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