From Stansted Airport train to Tottenham Hale Underground Station, Tube to St Pancras Intl (Domestic), then train to Chatham. 1hrs 37min £38. From London Stansted bus to City of London, Houndsditch (EC3), line 135 bus to Poplar, Canada Square North (E14), then line 722 bus to Gillingham Town Centre, Victoria Street (Gillingham Rail Station). 2hrs 54min £18. From Stansted Airport, Coach Station (Stansted Aprt) bus to Chelmsford City Centre, Bus Station (Chelms Bus Stn), line 100 bus to Lakeside, Bus Station (Lakeside), bus to Bluewater, Bus Station (Bluewater Shopping Centre), then bus to Chatham Town Centre, High Street Tesco (Tesco and Gala Bingo). 4hrs 07min £22. From London Stansted drive to Chatham. 57min £12.