You can find a helicopter flight class online by searching on Just Helicopters.com or Aviation Schools online. These two websites offer directories of helicopter schools both in the U.S and worldwide.
At JustHelicopters.com, the helicopter training schools are listed according to state. The states are arranged in alphabetical order, with states starting with A at the top. If you want to find only schools in a certain state, scroll down to the first letter of the state. The school's logo is displayed, as well as its name and city. To learn more about a particular school, click on its logo.
On the Aviation Schools Online's website, there is a search bar where you can look for a helicopter flight training school. On the drop down menu, select helicopter pilot training, then enter your Zip Code to get helicopter flight training schools near you. You can also search the site's lists that have schools listed according to state and province for those living in the United States and Canada. There are also schools listed according to cities in the U.S and Canada, and those listed according to country of location. Click on any link on the list to get a list of helicopter flight schools in that location.