Southeastern operates a train from London to Leeds Castle hourly. Tickets cost $24 - $35 and the journey takes 1 h 13 min. Alternatively, National Express operates a bus from London to Leeds Castle twice daily. Tickets cost $7 - $11 and the journey takes 1 h 15 min. Stagecoach in East Kent also services this route hourly.
From London Victoria train to Hollingbourne then walk to Leeds Castle. 1 h 48 min £21. From Elephant & Castle New Kent Rd bus to Maidstone Town Centre, King Street (Boots), bus to Hollingbourne, Broomfield Turning, then walk to Leeds Castle. 2 h 8 min £11. From London taxi to Leeds Castle. 55 min £176. From London drive to Leeds Castle. 55 min £8.