Ireland, for the most part, is a budget-friendly European destination for U.S. travelers. The island's stunning countryside is the perfect place for a variety of low-cost outdoor activities, from bike tours through emerald-green fields dotted with castles to hikes along stunning sea cliffs. There's a surplus of affordable lodging in the country (expect hotel rates to be most expensive in Dublin). You can book low-priced, family-run Irish home B&B's, which are located throughout the country, through the Irish Tourism Board. Cheap packages to Ireland aren't difficult to find, either. Aer Lingus, the Irish airline, regularly sells economically priced packages that bundle airfare, hotel and sometimes even a car rental for one affordable price.