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Cardiff to Hertfordshire trains

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Trip Overview

The average train between Cardiff and Hertfordshire takes 2h 54m and the fastest train takes 2h 42m. There is a train service every few hours from Cardiff to Hertfordshire. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 54m
Duration
167 mi
Distance
£86
Average price
Hourly
Frequency

Train

best
  1. Take the train from Cardiff Central to London Paddingtontrain train Swansea - London Paddington / ...
2h 56m
£72–128

Cardiff to Hertfordshire train times

Trains run hourly between Cardiff and Hertfordshire. The earliest departure is at 5:16 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Hertfordshire at 12:35 AM. All services require a transfer at London Paddington and take an average of 2h 54m. The schedules shown below are for the next available departures.

Departing Friday, October 16, 2026

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h 8m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 49m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h 6m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 46m • 2 changes
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Departing Saturday, October 17, 2026

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 50m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 46m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 48m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 48m • 2 changes
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Departing Sunday, October 18, 2026

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h 1m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h 1m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h 1m • 2 changes
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Departing Monday, October 19, 2026

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 42m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern3h 14m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 44m • 2 changes

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    Great Western Railway (GWR)London Underground (Tube)Great Northern2h 46m • 2 changes
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Frequently asked questions

Want to know about travelling from Cardiff to Hertfordshire? 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.

Map of how to get from Cardiff to Hertfordshire.ExpandLaunch map view
  • Distance: 167.3 mi
  • Duration: 2h 54m

What companies run services between Cardiff, Wales and Hertfordshire, England?

Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £60–110 and the journey takes 1h 54m.

Operators