Yes, there are multiple flights from Tan Son Nhut Intl to Macau International for under 6,915,630₫. The cheapest flight booked recently is on Cebu Pacific for just 4,979,253₫, but on average you can expect to pay 14,661,134₫.
There are no direct flights from Tan Son Nhut Intl to Macau International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Ho Chi Minh City is roughly less than Macau International. You can assume this to be the case over the next 2 days.
You can imagine temperatures to be in the 35 °C range in April. The weather in Macau International is generally colder than Ho Chi Minh City's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
There are many flights that can get you from Tan Son Nhut Intl to Macau International in 19h 25m. Fly via Cebu Pacific to get the fastest option.
Cheapflights users have booked flights from Tan Son Nhut Intl to Macau International round-trip from 4,979,254₫.