The Frontside Heelflip - is a frontside 180 ollie with a heelflip.
This trick done rolling normal is difficult. Here is a video of what it looks like:
It is much easier to do a frontside heelflip fakie. For that reason I will describe it done fakie. Doing it this way will get you out there and doing this trick much faster.
You really need to get those other tricks listed under your belt before you get going on this one. It will take a high pop and good board control to land it.
To do this trick rolling fakie:
When you really get used to doing this trick you will get better at catching it and completing the 180. With practice you will develop better style. Eventually if your are good. You will be able to catch the flip at 90° and turn the board the rest of the way in the air. That is the way a pro would do it. We can aim to do tricks that well. There are a lot of ways of landing tricks well that aren't quite as well popped as the pros though. Aim for that first.