Once started, the countrywide JR Pass offers unlimited travels from the three main airports in Japan:
The “Narita Express” (also named “N’EX”) connects Narita airport to several important stations in Tokyo, among which:
The Monorail serves Hamamatsucho Station, on the Yamanote Line (also included in the JR Pass). Departures every 10 minutes.
The “Haruka Limited Express” is a direct train to Osaka and Kyoto.