Sail to the City: day trip into central London from Gravesend and Tilbury. Choose the ticket that best suits you: Single: one way ticket to London | Return: return ticket to Tilbury/Gravesend | All Day: return ticket to Tilbury/Gravesend plus an all-day Hop-on Hop-off ticket for the River Bus timetabled services in London. Need more information? Check our info page at thamesclippers.com/gravesend