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London to Carmarthen by train
It takes an average of 3h 54m to travel from London to Carmarthen by train, over a distance of around 181 miles (291 km). There are normally 11 trains per day traveling from London to Carmarthen and tickets for this journey start from $42.90 when you book in advance.
| First train | 5:48 am | |
|---|---|---|
| Last train | 5:48 pm | |
| Departure station | London | |
| Arrival station | Carmarthen | |
| Journey time | From 3h 31m | |
| Distance | 181 miles (291 km) | |
| Frequency | 11 trains per day | |
| Changes | Direct trains available | |
| Price | From $42.90 | |
| Train operators |
Traveling from London to Carmarthen by train
Looking to travel from London to Carmarthen by train? You've come to the right place!
On average, it takes around 3 hours 54 minutes to travel from London to Carmarthen by train, the fastest services can get you there in as little as 3 hours 31 minutes though. You'll usually find 11 trains per day running along the 291 km route between these two destinations. Once you're onboard, you can sit back and relax, as you won't need to make any changes on your way to Carmarthen.
Plan your trip ahead of time and book early if you want to snap up the cheapest fares. Tickets from London to Carmarthen start from $42.90 when you book in advance, so start a search in our Journey Planner to view the latest prices.
If you're feeling ready to book, start looking for cheap train tickets with us today. Keep reading for more information on the journey to Carmarthen by train, including our train schedule where you can view first and last train times.
FAQs about the train journey from London to Carmarthen
Want to know more about your journey from London to Carmarthen? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
Is there a direct train from London to Carmarthen?
How far is Carmarthen from London by train?
Can I get from London to Carmarthen without flying?
What is the best way to get from London to Carmarthen?
When is the first train from London to Carmarthen?
When is the last train from London to Carmarthen?
How often do trains run from London to Carmarthen?
How far in advance can I book tickets from London to Carmarthen?
Looking for a return trip from London to Carmarthen?
Cheap train tickets from London to Carmarthen
Book in advance
Look out for Advance tickets – they usually come out up to 12 weeks before the departure date and can be cheaper than buying on the day. If you’re here a tad early, sign up for our Advance ticket alert today to get notified when your tickets are released.
Consider a Season Ticket
If you catch this train more than 3 times per week, you could save money with a Season Ticket. With annual, monthly and weekly options available, find out if a season ticket for London to Carmarthen is right for you.
Use your Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel a few times or more in a year. Find out how you can save with a National Railcard here.
Split your tickets
Download our app to find split tickets — courtesy of SplitSave, our handy feature which 'splits' your train tickets where possible to find you a better deal. Learn more about the clever tech behind split tickets, and how to spot SplitSave discounts in our app.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.
* Based on European average monthly visitors to Trainline’s app and website from 1.1.2023 to 10.31.2023 vs other independent retailers.