From Heathrow Terminal 1 train to Lancaster Gate Underground Station, Tube to London Liverpool St, then train to Colchester. 1hrs 27min £36. From Heathrow Central Bus Station line 250 bus to Colchester Town Centre, Stanwell Street (Colch Bus Stn). 2hrs 35min £15. From Heathrow Central Bus Station line 727 bus to Stansted Airport, Coach Station (Stansted Aprt) then line 133 bus to Colchester, Railway Station Layby (Colch North Stn). 3hrs 11min £19. From London Heathrow drive to Colchester. 1hrs 35min £21.