The average train between St Mary Cray and Trafalgar Square takes 45 min and the fastest train takes 37 min. There is a train service every few hours from St Mary Cray to Trafalgar Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between St Mary Cray and Trafalgar Square. The earliest departure is at 6:31 AM in the morning, and the last departure from St Mary Cray is at 10:31 PM which arrives into Trafalgar Square at 11:18 PM. All services require a transfer at Swanley and take an average of 45 min. The schedules shown below are for the next available departures.

46 min • 1 change

47 min • 1 change

47 min • 1 change

47 min • 1 change

44 min • 1 change

47 min • 1 change

48 min • 1 change

47 min • 1 change

47 min • 1 change

47 min • 1 change

47 min • 1 change

47 min • 1 change
Want to know about travelling from St Mary Cray to Trafalgar Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from St Mary Cray to Trafalgar Square. However, there are services departing from St Mary Cray station and arriving at Trafalgar Square station via London Charing Cross. The journey, including transfers, takes approximately 45 min.
St Mary Cray to Trafalgar Square train services, operated by Thameslink, depart from Swanley station.
St Mary Cray to Trafalgar Square train services, operated by Thameslink, arrive at London Charing Cross station.
Book your St Mary Cray to Trafalgar Square train tickets online with Thameslink and Southeastern.
The distance between St Mary Cray and Trafalgar Square is 20.9 km. The road distance is 31 km.
Southeastern operates a train from Swanley to London Charing Cross hourly. Tickets cost £8–17 and the journey takes 30 min.