Innsbruck Airport is your closest airport, a one-hour drive away, whilst Munich is 90 minutes by road from Ehrwald.
Trains
Ehrwald is served by rail routes from Innsbruck and Garmisch-Partenkirchen in Germany, with onward connections to Munich and other Continental cities.
Automobiles
A set of wheels is a good idea if you want to explore the surrounding area, however, there are public transport links, which tend to be more frequent during the winter months.