| First train | 04:16 | |
|---|---|---|
| Last train | 22:50 | |
| Departure station | Dartford | |
| Arrival station | Cardiff Bay | |
| Journey time | From 3h 57m | |
| Distance | 146 miles (235 km) | |
| Frequency | 14 trains per day | |
| Changes | 4 changes | |
| Train operators | CrossCountry, Great Western Railway, Southeastern, Thameslink, Transport for Wales |
Looking to travel from Dartford to Cardiff Bay by train? You've come to the right place!
Generally, the train from Dartford to Cardiff Bay takes around 5 hours 52 minutes, but can take just 3 hours 57 minutes on the fastest services. There are up to 14 trains per day from Dartford to Cardiff Bay.
You'll need to make 4 changes along the way as there aren't any direct services on this line.
Great Western Railway, Transport for Wales, Southeastern and Thameslink trains operate on this route.
Booking early is one of the most effective ways to save money.
Start your search for train tickets from Dartford to Cardiff Bay in our Journey Planner.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.