Yes, there are multiple flights from Macau International to Hong Kong International for under HK$ 2,326. The cheapest flight booked recently is on Multiple Airlines for just HK$ 2,217, but on average you can expect to pay HK$ 5,993.
There are no direct flights from Macau International to Hong Kong International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Macau International is typically similar to Hong Kong International. We can gather that this will continue over the next 9 days.
Temperatures around the 32 °Cs can be experienced in July. The weather in Hong Kong International is colder than in Macau International. Plan for potential changes in flight availability as peak weather approaches in this location.