There are many ways to go to Florida! Tampa Airport is 1 hour drive away. Miami Airport is 3 hours drive away. Orlando Airport is 30 minutes away. To search for cheap tickets try: www.lastminute.com, www.momondo.com
Save money and book the car in advance!
Click on https://esta.cbp.dhs.gov/ and register no later than 72 hours before departure! It is a formality to register, and doesn't take long.
In the US they use 110 volt in the plugs, and you will need an adapter if you are tourist. Buy the adapater in all airports etc.
No vaccinations are required for entry in the US.
Please ensure that you are covered by a valid travel insurance.