Southeastern operates a train from London to Ashford every 30 minutes. Tickets cost $29 - $40 and the journey takes 37 min. Eurostar also services this route every 4 hours. Alternatively, National Express operates a bus from London to Ashford twice daily. Tickets cost $8 - $13 and the journey takes 1 h 45 min.
From St Pancras International train to Ashford International. 37 min £26. From Elephant & Castle New Kent Rd bus to Ashford, Park Street (Charter House). 1 h 45 min £9. From London drive to Ashford. 1 h 10 min £11. From London rideshare to Ashford. 1 h 32 min £6.