Prague, Czech Republic - Ruzyne (PRG)

In Brief: About 20 kilometers (13 miles) northwest of central Prague, Ruzyňe is a major base for Slovak low-cost airline SkyEurope, and several additional budget airlines (easyJet, Thomsonfly, Jet2, and Norwegian Air Shuttle) also fly in and out. Transportation: Express buses into Prague cost between CZK15 and CZK30. Some public buses connect to various Metro stations, charging a total of CZK20 for the one-way journey.