You still can’t visit Cuba as a tourist
Because there must be an educational component to it. Any ordinary citizen can, however, visit so long as their reason for doing so falls under Cuban Assets Control Regulations 12 approved activity categories. They include: family visits, official government business, professional research, public performances, and religious, humanitarian, and educational activities. You can check out the full list here, but honestly, they’re not that strict.
One of the easiest ways to visit is on a people-to-people tour
You can figure out how to get down there by yourself, or you could go on one of these fully escorted cultural exchanges. Tour operators licensed for Cuba travel bring groups of about 20 people on thematic trips to learn about Cuba and its people. Here are five you can start with:
But if you do decide to go on your own...
You can just book a flight! Charters are operated by major airlines, like JetBlue and American Airlines, and CheapAir already allows people to book direct flights. There are now multiple daily flights direct from Miami.