From Southampton Central train to Waterloo Underground Station, Tube to St Pancras International, then train to Canterbury West. 3hrs 01min £59. From Southampton City Centre, Coach Station bus to Belgravia, Victoria Coach Station then bus to Canterbury, Bus Station. 4hrs 29min £21. From Southampton City Centre, Coach Station line 206 bus to Gatwick Airport, South Terminal Coach Station then line 270 bus to Canterbury, Bus Station. 6hrs 30min £72. From Southampton drive to Canterbury. 2hrs 18min £29.