CrossCountry
Great Western Railway
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Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.
Trains to Llanelli from Southampton
It takes an average of 4h 57m to travel from Southampton to Llanelli by train, over a distance of around 130 miles (210 km). There are normally 32 trains per day travelling from Southampton to Llanelli and tickets for this journey start from £29.70 when you book in advance.
| First train | 04:15 | |
|---|---|---|
| Last train | 21:23 | |
| Departure station | Southampton | |
| Arrival station | Llanelli | |
| Journey time | From 3h 31m | |
| Distance | 130 miles (210 km) | |
| Frequency | 32 trains per day | |
| Changes | 1 change | |
| Price | From £29.70 | |
| Train operators | CrossCountry, Great Western Railway, South Western Railway, Transport for Wales |
Travel by train from Southampton to Llanelli
Looking to travel from Southampton to Llanelli by train? You've come to the right place!
Generally, the train from Southampton to Llanelli takes around 4 hours 57 minutes, but can take just 3 hours 31 minutes on the fastest services. There are up to 32 trains per day from Southampton to Llanelli.
You'll need to make 1 change along the way as there aren't any direct services on this line.
Great Western Railway, Transport for Wales, South Western Railway and CrossCountry trains operate on this route.
Book your ticket from £29.70 for this journey. Booking early is one of the most effective ways to save money.
Start your search for train tickets from Southampton to Llanelli in our Journey Planner.
What do people frequently ask about the train journey from Southampton to Llanelli?
Want to know more about your journey from Southampton to Llanelli? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
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Can I get from Southampton to Llanelli without flying?
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Looking for a return trip from Southampton to Llanelli?
How do I find cheap train tickets from Southampton to Llanelli?
As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.
1. Book in advance
Train tickets from Southampton to Llanelli start at £29.70§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.
2. Sign up to Ticket Alert
If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.
3. Use a Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.
4. Book split tickets
Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.
5. Travel Off-Peak
If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.
6. Consider a Season Ticket
Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for Southampton to Llanelli is right for you.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.
§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.