The average train between Cardiff and Saint-Malo takes 17h 43m and the fastest train takes 9h 41m. The train service runs several times per day from Cardiff to Saint-Malo. 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 twice daily between Cardiff and Saint-Malo. The earliest departure is at 12:19 PM in the afternoon, and the last departure from Cardiff is at 5:18 PM which arrives into Saint-Malo at 12:16 PM. All services require a transfer at London Paddington and take an average of 17h 43m. The schedules shown below are for the next available departures.
Arrives next day




19h 13m • 4 changes
Arrives next day




19h 15m • 4 changes
Arrives next day




19h 13m • 4 changes
Arrives next day




19h 15m • 4 changes
Arrives next day




19h 13m • 4 changes
Arrives next day




19h 15m • 4 changes
Want to know about travelling from Cardiff to Saint-Malo? 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 Cardiff to Saint-Malo. However, there are services departing from Cardiff station and arriving at Saint-Malo station via London Paddington. The journey, including transfers, takes approximately 17h 43m.
Cardiff to Saint-Malo train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Saint-Malo train services, operated by Great Western Railway (GWR), arrive at St Malo station.
Book your Cardiff to Saint-Malo train tickets online with Great Western Railway (GWR), London Underground (Tube) and 3 other operators.
The distance between Cardiff and Saint-Malo is 325.9 km. The road distance is 1,213 km.
You can take a train from Cardiff Central to St Malo via London Paddington, Paddington, King's Cross St. Pancras station, London St Pancras Intl, Lille Europe, and Rennes in around 10h 5m.