| First train | 05:26 | |
|---|---|---|
| Last train | 00:38 | |
| Departure station | Potters Bar | |
| Arrival station | Cardiff Bay | |
| Journey time | From 3h 34m | |
| Distance | 129 miles (207 km) | |
| Frequency | 7 trains per day | |
| Changes | 4 changes | |
| Train operators | CrossCountry, Great Northern, Great Western Railway, Transport for Wales |
Looking to travel from Potters Bar to Cardiff Bay by train? You've come to the right place!
Generally, the train from Potters Bar to Cardiff Bay takes around 6 hours 10 minutes, but can take just 3 hours 34 minutes on the fastest services. There are up to 7 trains per day from Potters Bar to Cardiff Bay.
You'll need to make 4 changes along the way as there aren't any direct services on this line.
Trains on this route are operated by Great Western Railway, Transport for Wales and CrossCountry.
Booking early is one of the most effective ways to save money.
Start your search for train tickets from Potters Bar to Cardiff Bay in our Journey Planner.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.