How to get into Tokyo (without a Japan Rail Pass)
Don’t take the expensive Narita Express from JR (national rail). Instead use Keisei Railways.
How to get into Tokyo (with a Japan Rail Pass)
The fast Narita Express is free with the Japan Rail Pass.
Take the JR Narita Express to Tokyo (62 mins), Shinjuku (81 mins) or Shibuya (76 mins). The JR Narita Express sometimes goes direct to other stations, so check Jorusan.com. You may need to change at Tokyo station.