Great Western Railway
Transport for Wales
What are the train times from Llanelli to Slough?
Get from Llanelli to Slough in as little as 3 hours 19 minutes on the fastest trains, so you can make the most of your time.
The average train journey from Llanelli to Slough takes around 4 hours 39 minutes. There are around 19 trains that operate on this route daily.
As there are no direct trains between Llanelli and Slough, you'll need to make 1 change.
Trains on this route are operated by Great Western Railway and Transport for Wales.
Booking in advance often results in cheaper ticket prices.
With our Journey Planner, you can check live train times, compare prices and check routes.
What do people frequently ask about the train journey from Llanelli to Slough?
Want to know more about your journey from Llanelli to Slough? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
How far is Slough from Llanelli by train?
Can I get from Llanelli to Slough without flying?
What is the best way to get from Llanelli to Slough?
When is the first train from Llanelli to Slough?
When is the last train from Llanelli to Slough?
How often do trains run from Llanelli to Slough?
How far in advance can I book tickets from Llanelli to Slough?
Looking for a return trip from Llanelli to Slough?
How do I find cheap train tickets from Llanelli to Slough?
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. 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.
2. 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.
3. 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.
4. 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.
5. 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 Llanelli to Slough 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.