The main entry points for international flights are Zürich and Geneva. Basel, Bern and Lugarno airports also receive international flights. There is no departure tax when flying out of Switzerland. Trains are a popular and convenient way to travel to Switzerland, and European rail passes make train travel affordable. Buses tend to be slower and less comfortable, though sometimes cheaper. Getting to Switzerland by road is simple, since there are fast, well-maintained motorways through all surrounding countries. If you have time and money, it’s possible to get to Switzerland by boat along the Rhine all the way from Amsterdam. Switzerland can also be reached by lake steamer ferries from Germany via Lake Constance, from Italy via Lake Maggiore and from France via Lake Geneva.