From Heathrow Terminals 1-3 train to London Paddington, walk to Lancaster Gate Underground Station, Tube to London Liverpool Street, then train to Colchester. 1 h 44 min £48. From Heathrow Central Bus Station bus to Colchester Town Centre, Stanwell Street (Colch Bus Stn). 2 h 30 min £23. From London Heathrow Airport (LHR) drive to Colchester. 1 h 34 min £19. From London Heathrow Airport towncar to Colchester. 1 h 34 min £60.