| First train | 04:14 | |
|---|---|---|
| Last train | 23:24 | |
| Departure station | Northampton | |
| Arrival station | Carmarthen | |
| Journey time | From 5h 11m | |
| Distance | 147 miles (236 km) | |
| Frequency | 26 trains per day | |
| Changes | 1 change | |
| Price | From £47.50 | |
| Train operators | Avanti West Coast, CrossCountry, Great Western Railway, London Overground, Transport for Wales |
Looking to travel from Northampton to Carmarthen by train? You've come to the right place!
Generally, the train from Northampton to Carmarthen takes around 7 hours 38 minutes, but can take just 5 hours 11 minutes on the fastest services. There are up to 26 trains per day from Northampton to Carmarthen.
You'll need to make 1 change along the way as there aren't any direct services on this line.
Avanti West Coast, Great Western Railway, Transport for Wales and CrossCountry trains operate on this route.
Book your ticket from £47.50 for this journey. Booking early is one of the most effective ways to save money.
Start your search for train tickets from Northampton to Carmarthen in our Journey Planner.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.