From Stansted Airport train to Tottenham Hale Underground Station, Tube to London St. Pancras International, then train to Gravesend. 1hrs 15min £34. From London Stansted bus to Stratford City Bus Station, bus to Stratford International, then train to Gravesend. 1hrs 22min £22. From London Stansted drive to Gravesend, Kent. 1hrs 01min £9.