| First train | 03:53 | |
|---|---|---|
| Last train | 21:59 | |
| Departure station | Luton Airport | |
| Arrival station | Carmarthen | |
| Journey time | From 5h 0m | |
| Frequency | 19 trains per day | |
| Changes | 3 changes | |
| Price | From £45.90 | |
| Train operators | CrossCountry, East Midlands Railway, Great Western Railway, Thameslink, Transport for Wales |
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.