How do I cancel or change my JR train ticket?
Before booking is confirmed: Cancel directly on the Klook app: Go to "Account" → "Bookings" → Select your booking → Select "Refund" to cancel. (Note: If your ticket is being issued or has already been issued, cancellation won’t be possible.)
After booking is confirmed: On the Klook App: Go to "Account" → "Bookings" → Select your booking → Select "Change" to modify or "Refund" to cancel.
Less than 1 hour before departure, after scanning the QR code, or after ticket pick-up: Changes and cancellations are no longer allowed.
*Currently, the change function is only available for Shinkansen, Narita Express, and Fuji Excursion tickets.