From Stansted Airport train to Tottenham Hale Underground Station, Tube to St Pancras International, then train to Chatham. 1hrs 39min £37. From London Stansted Airport bus to Stratford International then train to Chatham. 1hrs 41min £21. From London Stansted bus to Tower Hill, The Tower Of London then line 722 bus to Gillingham, Victoria Street (Gillingham Rail Station). 2hrs 43min £17. From Stansted Airport, Coach Station (Stansted Aprt) bus to Chelmsford City Centre, Bus Station (Chelm Bus Stn), line 100 bus to Lakeside, Bus Station (Lakeside), bus to Bluewater, Bus Station (Bluewater Shopping Centre), then bus to Chatham Railway Station. 4hrs 20min £21. From London Stansted Airport (STN) drive to Chatham. 57min £11.