In general, when booking your flight to Abu Dhabi, September is the cheapest month on average.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Abu Dhabi.
From most locations, the cheapest flights to Abu Dhabi are found on a Monday. Booking a Friday departure is usually the most expensive.
Typically, cheap prices to Abu Dhabi are most often found for noon flights. Cheap prices are less likely for afternoon flights.