From London Bridge Underground Station Tube to King's Cross St. Pancras Underground Station, walk to St Pancras International, train to Faversham, then taxi to Leysdown-on-Sea. 2 h 7 min £78. From London Bridge Underground Station Tube to Canary Wharf, Canada Square North, bus to Sheerness, Railway Station, then line 362 bus to Leysdown, Bus Terminus (Old Bus Station). 3 h 50 min £20. From London Bridge Station drive to Leysdown-on-Sea. 1 h 7 min £10.