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Great Western Railway
Avanti West Coast

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London to Carmarthen by train

It takes an average of 3h 43m to travel from London to Carmarthen by train, over a distance of around 181 miles (291 km). There are normally 12 trains per day traveling from London to Carmarthen and tickets for this journey start from $49.13 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 33m

Distance

181 miles (291 km)

Frequency

12 trains per day

Changes

Direct trains available

Price

From $49.13

Train operators

Great Western Railway

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 43 minutes to travel from London to Carmarthen by train, the fastest services can get you there in as little as 3 hours 33 minutes though. You'll usually find 12 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 $49.13 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.

What do people frequently ask 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.

How do I get from London to Carmarthen?

You can travel from London to Carmarthen by train in about 3 hours and 43 minutes. With around 12 trains available on this route each day, taking the train is easy. Find out more about times, tickets and prices using our Journey Planner.

How long is the train trip from London to Carmarthen?

On average, the train trip from London to Carmarthen takes around 3 hours and 43 minutes, with 12 trains per day. The duration may vary slightly depending on the specific train and any potential delays. Use our Journey Planner to check out more information.

How much is the train from London to Carmarthen?

Train tickets from London to Carmarthen start from as little as $49.13, depending on the time of booking, class of service and type of train. Booking in advance often results in better prices.

What is the fastest train from London to Carmarthen?

The fastest trains from London to Carmarthen can cover the distance of 181 miles (291 km) in as little as 3 hours and 33 minutes.

How do I find cheap train tickets from London to Carmarthen?

Planning a trip to the UK soon? 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 London to Carmarthen start at $49.13§ 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. 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 than Anytime tickets in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.

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.

What are my ticket options for this journey?

If you're like us, you've probably seen the sheer number of ticket types available in the UK and wondered "Why are there so many?!" To help, we've put together a handy guide to the main UK ticket types, simply tap the one you’re interested in to find out more.

* Based on European average monthly visitors to Trainline’s app and website from 1.1.2023 to 10.31.2023 vs other independent retailers.

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