Originally Posted by
Agneisse
If you are also flying out of NRT you can consider the round-trip Narita Express ticket for foreigners which is somewhat cheaper than 2x singles. Friendly reminder to change from Narita Express -> Shinkansen at Shinagawa and not Tokyo station for a more pleasant connection experience.
The round trip N-EX return must be used within 14 days though, doesn't it? We will be using it for a return, but we are traveling for more than two weeks so I think we will need to purchase each trip separately.