Cardiff to Harpenden Trains

Cardiff to Harpenden trains

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Trip Overview

The average train between Cardiff and Harpenden takes 2h 49m and the fastest train takes 2h 36m. There is an hourly train service from Cardiff to Harpenden. 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 49m
Duration: 173 mi
Distance: £91
Average price: Hourly
Frequency

Train

best

Take the train from Cardiff Central to London Paddingtontrain Swansea - London Paddington / ...
Take the train from Farringdon to Harpendentrain Brighton - Bedford / ...

2h 42m

£77–132

Cardiff to Harpenden train times

Trains run hourly between Cardiff and Harpenden. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Harpenden at 5:47 AM. All services require a transfer at London Paddington and take an average of 2h 49m. The schedules shown below are for the next available departures.

Departing Sunday, November 1, 2026

9:20 PM → 5:47 AM
Arrives next day
8h 27m • 2 changes

Departing Monday, November 2, 2026

5:07 AM → 8:20 AM
3h 13m • 2 changes
5:53 AM → 8:31 AM
2h 37m • 2 changes
6:24 AM → 9:21 AM
2h 57m • 2 changes
6:51 AM → 9:47 AM
2h 55m • 2 changes
Show more

Departing Tuesday, November 3, 2026

5:07 AM → 8:20 AM
3h 13m • 2 changes
5:53 AM → 8:31 AM
2h 37m • 2 changes
6:24 AM → 9:21 AM
2h 57m • 2 changes
6:51 AM → 9:47 AM
2h 55m • 2 changes
Show more

Departing Wednesday, November 4, 2026

5:07 AM → 8:20 AM
3h 13m • 2 changes
5:53 AM → 8:31 AM
2h 37m • 2 changes
6:24 AM → 9:21 AM
2h 57m • 2 changes
6:51 AM → 9:47 AM
2h 55m • 2 changes
Show more

Departing Thursday, November 5, 2026

5:07 AM → 8:20 AM
3h 13m • 2 changes
5:53 AM → 8:31 AM
2h 37m • 2 changes
6:24 AM → 9:21 AM
2h 57m • 2 changes
6:51 AM → 9:47 AM
2h 55m • 2 changes
Show more

Departing Friday, November 6, 2026

5:07 AM → 8:20 AM
3h 13m • 2 changes
5:53 AM → 8:31 AM
2h 37m • 2 changes
6:24 AM → 9:21 AM
2h 57m • 2 changes
6:51 AM → 9:47 AM
2h 55m • 2 changes
Show more

Departing Saturday, November 7, 2026

5:14 AM → 8:00 AM
2h 46m • 2 changes
6:20 AM → 9:00 AM
2h 40m • 2 changes
6:48 AM → 9:30 AM
2h 42m • 2 changes
7:18 AM → 10:00 AM
2h 42m • 2 changes
Show more

Departing Sunday, November 8, 2026

8:50 AM → 11:47 AM
2h 57m • 2 changes
9:35 AM → 12:17 PM
2h 42m • 2 changes
9:39 AM → 12:47 PM
3h 8m • 2 changes
10:20 AM → 1:03 PM
2h 43m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Harpenden? 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.