The average train between Caldicot and London takes 2h 45m and the fastest train takes 2h. There is a train service every few hours from Caldicot to London. 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 Caldicot and London. The earliest departure is at 6:25 AM in the morning, and the last departure from Caldicot is at 11:47 PM which arrives into London at 7:16 AM. All services require a transfer, and take on average 2h 45m. The schedules shown below are for the next available departures.

2h 25m • 1 change

2h 16m • 1 change

2h 15m • 1 change

2h 6m • 1 change

2h 25m • 1 change

2h 16m • 1 change

2h 15m • 1 change

2h 6m • 1 change

2h 25m • 1 change

2h 16m • 1 change

2h 15m • 1 change

2h 6m • 1 change
Want to know about travelling from Caldicot to London? 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 Caldicot to London. However, there are services departing from Caldicot station and arriving at London station via London Paddington. The journey, including transfers, takes approximately 2h 45m.
Caldicot to London train services, operated by Transport for Wales, depart from Newport (S Wales) station.
Caldicot to London train services, operated by Transport for Wales, arrive at London Paddington station.
Book your Caldicot to London train tickets online with Transport for Wales, Great Western Railway (GWR) and Cross Country.
The distance between Caldicot and London is 181.7 km. The road distance is 230 km.
Great Western Railway (GWR) operates a train from Newport (S Wales) to London Paddington hourly. Tickets cost £60–120 and the journey takes 1h 40m.