Etihad is offering cheap flights to Sri Lanka from Abu Dhabi for just 1158 AED. In this price you've got the carry-on and registered luggage.
Abu Dhabi- Colombo (Sri Lanka) – Abu Dhabi
When you book your flight, it is recommended to book your hotel at the same time. You can compare prices on SkyScanner Hotel comparator.
If you’re looking for other cheap flights, click on this link: