La Palma is directly connected to many foreign countries. Easily Book your flights online or by calling Elke Janke Reisen GmbH: + 49 30 474 39 97.
If there's no direct connection from your city, consider to book a flight to Tenerife or Gran Canary and use interisland flights or ferry boat to get to La Palma island.
The other Canarian Islands can easily be reached by ferry (Fred Olson, Armas or Acciona) or by airplane with Binter Canarias or Canary Fly.
The public transport system is well organized. Bus routes connect the entire island, one can also for a relatively cheap price take a taxi or can just rent a car.