Chelmsford to Merthyr Tydfil Trains

Chelmsford to Merthyr Tydfil trains

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Trip Overview

The average train between Chelmsford and Merthyr Tydfil takes 4h 50m and the fastest train takes 4h 11m. There is an hourly train service from Chelmsford to Merthyr Tydfil. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 50m
Duration: 202 mi
Distance: £108
Average price: Hourly
Frequency

Train

best

Take the train from Chelmsford to Stratford (London)train
Take the train from London Paddington to Cardiff Centraltrain
Take the train from Cardiff Central to Merthyr Tydfiltrain

4h 43m

£92–180

Chelmsford to Merthyr Tydfil train times

Trains run hourly between Chelmsford and Merthyr Tydfil. The earliest departure is at 5:41 AM in the morning, and the last departure from Chelmsford is at 11:23 PM which arrives into Merthyr Tydfil at 9:33 AM. All services require a transfer at Stratford and take an average of 4h 50m. The schedules shown below are for the next available departures.

Departing Wednesday, August 12, 2026

6:41 PM → 11:29 PM
4h 48m • 3 changes
9:41 PM → 6:33 AM
Arrives next day
8h 52m • 3 changes
11:23 PM → 9:33 AM
Arrives next day
10h 10m • 3 changes

Departing Thursday, August 13, 2026

5:41 AM → 10:03 AM
4h 22m • 3 changes
5:56 AM → 10:33 AM
4h 36m • 3 changes
6:39 AM → 11:03 AM
4h 23m • 3 changes
7:13 AM → 11:33 AM
4h 20m • 3 changes
Show more

Departing Friday, August 14, 2026

5:41 AM → 10:03 AM
4h 22m • 3 changes
5:56 AM → 10:33 AM
4h 36m • 3 changes
6:39 AM → 11:03 AM
4h 23m • 3 changes
7:13 AM → 11:33 AM
4h 20m • 3 changes
Show more

Frequently asked questions

Want to know about travelling from Chelmsford to Merthyr Tydfil? 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.