click The Hampton Court Palace Show Preview Night is on 2 July 2018.
http://carlisletheacarlisletheatre.org/xmlrpc.php Turk Launches run a shuttle boat service from Hampton Court station to the palace gates. This saves you a 20 minute walk.
see Just exit the station from the Thames entrance and you will see the Turk Launches stand outside where you can purchase tickets.
follow Ticket price is £3.20 per journey.
http://carlisletheacarlisletheatre.org/xmlrpc.php The shuttle boat will be running from 4pm until 11pm on preview night. The shuttle boat service will then continue throughout flower show week 3 – 8 July, along with a full timetable of boat trips from Kingston and Richmond.