Carmarthen to Northampton Trains

Carmarthen to Northampton trains

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Trip Overview

The average train between Carmarthen and Northampton takes 6h 31m and the fastest train takes 5h 5m. There is a train service every few hours from Carmarthen to Northampton. 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 31m
Duration: 234 mi
Distance: £113
Average price: Hourly
Frequency

Train via Cardiff

best

Take the train from Carmarthen to Cardiff Centraltrain
Take the train from Cardiff Central to Birmingham New Streettrain
Take the train from Birmingham New Street to Northamptontrain

6h 2m

£85–168

Carmarthen to Northampton train times

Trains run hourly between Carmarthen and Northampton. The earliest departure is at 5:32 AM in the morning, and the last departure from Carmarthen is at 10:41 PM which arrives into Northampton at 10:07 AM. All services require a transfer at Cardiff Central and take an average of 6h 31m. The schedules shown below are for the next available departures.

Departing Tuesday, October 20, 2026

4:33 PM → 10:18 PM
5h 44m • 2 changes
5:57 PM → 11:09 PM
5h 12m • 2 changes
6:32 PM → 12:02 AM
Arrives next day
5h 30m • 2 changes
6:57 PM → 6:36 AM
Arrives next day
11h 39m • 2 changes
Show more

Departing Wednesday, October 21, 2026

5:32 AM → 11:07 AM
5h 35m • 2 changes
6:01 AM → 12:08 PM
6h 7m • 2 changes
7:23 AM → 1:07 PM
5h 44m • 2 changes
8:30 AM → 2:07 PM
5h 37m • 2 changes
Show more

Departing Thursday, October 22, 2026

5:32 AM → 11:07 AM
5h 35m • 2 changes
6:01 AM → 12:08 PM
6h 7m • 2 changes
7:23 AM → 1:07 PM
5h 44m • 2 changes
8:30 AM → 2:07 PM
5h 37m • 2 changes
Show more

Departing Friday, October 23, 2026

5:32 AM → 11:07 AM
5h 35m • 2 changes
6:01 AM → 12:08 PM
6h 7m • 2 changes
7:23 AM → 1:07 PM
5h 44m • 2 changes
8:30 AM → 2:07 PM
5h 37m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Carmarthen to Northampton? 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.