Yes, there are multiple flights from Hong Kong to Dolomiti for under HK$ 5,426. The cheapest flight booked recently is on Aeroflot for just HK$ 5,372, but on average you can expect to pay HK$ 7,201.
There are no direct flights from Hong Kong to Dolomiti, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Lufthansa, Etihad Airways, and Aeroflot can get you from Hong Kong to Dolomiti in just under 14h 50m. Your travel time can differ by up to 13h 35m. This flight may include one or multiple stops.
Flying on Aeroflot is currently your cheapest option to Dolomiti, with prices starting at HK$ 5,372. Additional return tickets that might be worth considering are offered by Ethiopian Air and Lufthansa, with the lowest prices starting at HK$ 5,729 and HK$ 6,551, respectively.