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Trains from Guildford to Carmarthen

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CrossCountry
Great Western Railway

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  1. Home
  2. Train times
  3. Guildford to Carmarthen

Trains to Carmarthen from Guildford

First train

05:03

Last train

22:43

Departure stationGuildford
Arrival stationCarmarthen
Journey time

From 4h 2m

Distance

166 miles (267 km)

Frequency

25 trains per day

Changes

1 change

Train operators

CrossCountry, Great Western Railway, Transport for Wales

What are the train times from Guildford to Carmarthen?

Check out the next trains departing from Guildford to Carmarthen for Tuesday 6th October 2026 using our handy timetable below, including platform and live travel information. You can view the full day timetable or search for a different date here.
DepartsArrivesDuration
10:2814:334h 5m, 2 changes
11:1915:284h 9m, 1 change
12:1916:324h 13m, 2 changes
13:1917:214h 2m, 1 change
14:1918:294h 10m, 2 changes
15:1919:364h 17m, 2 changes
16:1720:304h 13m, 2 changes
17:1521:394h 24m, 1 change
18:1822:554h 37m, 2 changes
19:1923:314h 12m, 2 changes

Plan your journey from Guildford to Carmarthen

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

Usually, the train from Guildford to Carmarthen takes around 5 hours 39 minutes. Every day, there are around 25 trains running on this popular route.

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

Great Western Railway, Transport for Wales and CrossCountry trains operate 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 Guildford to Carmarthen?

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

How do you get to Carmarthen from Guildford?

To travel to Carmarthen from Guildford, you can take the train - on average, the journey takes around 5 hours and 39 minutes, though the fastest trains can take 4 hours and 2 minutes. Use our Journey Planner to get more information.

How long is the train ride from Guildford to Carmarthen?

Trains from Guildford to Carmarthen take an average of 5 hours and 39 minutes, although on the fastest services it can take just 4 hours and 2 minutes. You'll usually find 25 trains per day on this route, so use our Journey Planner to check specific dates as times may vary.

What is the quickest journey time between Guildford and Carmarthen by train?

The quickest journey time between Guildford and Carmarthen by train is 4 hours and 2 minutes.

Are there direct trains from Guildford to Carmarthen?

No, there are no direct trains running from Guildford to Carmarthen, you’ll usually need to make at least 1 change during the journey.

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

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 Guildford to Carmarthen 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.

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