Skip to contentTrainline homepage
RailcardsBusiness

No tickets in your basket.

Why not plan a trip?

My Bookings
Loading...
Loading...

Trains from Carmarthen to London Euston

Booking.com

ExternalLinkExternalLink

Open Booking.com in a new tab with places to stay on your trip

Avanti West Coast
Great Western Railway

Compare prices from over 270 rail and coach companies in Europe

Icon of trainline-phone-tickets.svg

Buy your tickets with us and easily find them on your phone

Icon of trainline-safe-payments.svg

Safely pay with PayPal, Visa and all international payment cards

  1. Home
  2. Train times
  3. Carmarthen to London Euston

Trains to London Euston from Carmarthen

First train

02:55

Last train

21:43

Departure stationCarmarthen
Arrival stationLondon Euston
Journey time

From 4h 7m

Distance

180 miles (290 km)

Frequency

25 trains per day

Changes

1 change

Train operators

Avanti West Coast, Great Western Railway, Transport for Wales

Plan your journey from Carmarthen to London Euston

Considering a trip to London Euston and need more information on how to take the train from Carmarthen to London Euston? Start your search with us today!

Usually, the train from Carmarthen to London Euston takes around 6 hours 2 minutes. Every day, there are around 25 trains running on this popular route.

There will be 1 change on your journey from Carmarthen to London Euston, as there are no direct trains.

Avanti West Coast, Great Western Railway and Transport for Wales trains run on this route.

Booking tickets in advance can be cheaper than buying on the day of travel.

Use our Journey Planner to pick the dates and times you want to travel, and we’ll give you all the options.

What do people frequently ask about the train journey from Carmarthen to London Euston?

Want to know more about your journey from Carmarthen to London Euston? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do you travel to London Euston from Carmarthen?

To get to London Euston from Carmarthen, why not take the train? With 25 trains per day and an average journey time of 6 hours and 2 minutes, taking the train is a great way to travel. See our Journey Planner for up-to-date times and prices.

How long does it take to get from Carmarthen to London Euston by train?

On average, it takes around 6 hours and 2 minutes to travel from Carmarthen to London Euston by train, although you can get there in 4 hours and 7 minutes on the fastest services. With 25 trains per day running on this route, journey times may vary, so check our Journey Planner for more information.

How fast can trains travel from Carmarthen to London Euston?

The fastest time a train can travel the 180 miles (290 km) from Carmarthen to London Euston is 4 hours and 7 minutes.

Are there any direct trains from Carmarthen to London Euston?

There are no direct trains that run between Carmarthen and London Euston. You’ll need to make at least 1 change along the way.

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

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 Carmarthen to London Euston 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.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

Looking for more ideas?

Europe’s leading train and coach app

We help customers across Europe make more than 172,000 smarter journeys every day.

Get a link