Grantham to Carmarthen Trains

Grantham to Carmarthen trains

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Trip Overview

The average train between Grantham and Carmarthen takes 6h 14m and the fastest train takes 5h 11m. There is a train service every few hours from Grantham to Carmarthen. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

6h 14m

Duration

329 mi

Distance

£148

Average price

Hourly

Frequency

Grantham to Carmarthen train times

Trains run hourly between Grantham and Carmarthen. The earliest departure is at 5:47 AM in the morning, and the last departure from Grantham is at 10:59 PM which arrives into Carmarthen at 10:30 AM. All services require a transfer at London Kings Cross and take an average of 6h 14m. The schedules shown below are for the next available departures.

Departing Saturday, October 24, 2026

2:08 PM → 7:29 PM
5h 21m • 3 changes
2:44 PM → 8:28 PM
5h 44m • 3 changes
3:43 PM → 9:04 PM
5h 20m • 3 changes
3:56 PM → 9:41 PM
5h 44m • 3 changes
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Departing Sunday, October 25, 2026

9:44 AM → 3:20 PM
5h 35m • 3 changes
11:57 AM → 5:25 PM
5h 28m • 3 changes
2:08 PM → 7:32 PM
5h 24m • 3 changes
4:08 PM → 9:49 PM
5h 41m • 3 changes
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Departing Monday, October 26, 2026

5:47 AM → 11:45 AM
5h 57m • 3 changes
7:03 AM → 12:36 PM
5h 33m • 3 changes
8:06 AM → 1:26 PM
5h 20m • 3 changes
8:38 AM → 2:30 PM
5h 52m • 3 changes
Show more

Departing Tuesday, October 27, 2026

5:47 AM → 11:45 AM
5h 57m • 3 changes
7:03 AM → 12:36 PM
5h 33m • 3 changes
8:06 AM → 1:26 PM
5h 20m • 3 changes
8:38 AM → 2:30 PM
5h 52m • 3 changes
Show more

Departing Wednesday, October 28, 2026

5:47 AM → 11:45 AM
5h 57m • 3 changes
7:03 AM → 12:36 PM
5h 33m • 3 changes
8:06 AM → 1:26 PM
5h 20m • 3 changes
8:38 AM → 2:30 PM
5h 52m • 3 changes
Show more

Departing Thursday, October 29, 2026

5:47 AM → 11:45 AM
5h 57m • 3 changes
7:03 AM → 12:36 PM
5h 33m • 3 changes
8:06 AM → 1:26 PM
5h 20m • 3 changes
8:38 AM → 2:30 PM
5h 52m • 3 changes
Show more

Departing Friday, October 30, 2026

5:47 AM → 11:45 AM
5h 57m • 3 changes
7:03 AM → 12:36 PM
5h 33m • 3 changes
8:06 AM → 1:26 PM
5h 20m • 3 changes
8:38 AM → 2:30 PM
5h 52m • 3 changes
Show more

Frequently asked questions

Want to know about travelling from Grantham to Carmarthen? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

What companies run services between Grantham, England and Carmarthen, Wales?

You can take a train from Grantham to Carmarthen via London Kings Cross, King's Cross St. Pancras station, Paddington, London Paddington, and Swansea in around 5h 51m.

Operators