There are two train options that you can choose from going to Kawaguchiko Station from Shinjuku Station. The first one, of course, is the budget-friendly option while the other one is a direct express train ride to Kawaguchiko Station.
1. Shinjuku Station → Otsuki Station → Kawaguchiko Station (Fuji Five Lakes)
This is not a direct train ride to Kawaguchiko Station, from Shinjuku station you will need to make a transfer at Otsuki station.
Total train ticket cost: 4, 480 JPY
Total travel time: Approximately 2 hours 32 minutes.
The first route is Shinjuku Station → Otsuki Station via JR Chuo Line, from Otsuki station transfer on the Fujikyuko line from Kawaguchiko Station.
*This train route is covered by JR Rail pass if you availed one.
Train ticket cost: 2, 740 JPY per way.
Travel time: Approximately 1 hour 21 minutes.
Otsuki Station → Kawaguchiko Station (Fuji Five Lakes) via Fujikyuko Line
Train ticket cost: 1, 740 JPY per way.
Travel time: Approximately 47 minutes.