Watford to Cardiff Trains

Watford to Cardiff trains

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Trip Overview

The average train between Watford and Cardiff takes 2h 59m and the fastest train takes 2h 41m. There is an hourly train service from Watford to Cardiff. 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 59m
Duration: 159 mi
Distance: £86
Average price: Hourly
Frequency

Train

best

Take the train from Watford High Street to Queens Park (London)train Watford Junction - London Euston / ...
Take the train from London Paddington to Cardiff Centraltrain London Paddington - Swansea / ...

3h 2m

£74–131

Watford to Cardiff train times

Trains run hourly between Watford and Cardiff. The earliest departure is at 5:48 AM in the morning, and the last departure from Watford is at 11:33 PM which arrives into Cardiff at 8:06 AM. All services require a transfer at Queens Park (London) and take an average of 2h 59m. The schedules shown below are for the next available departures.

Departing Monday, October 26, 2026

7:18 AM → 10:12 AM
2h 54m • 2 changes
7:48 AM → 10:37 AM
2h 49m • 2 changes
8:19 AM → 11:07 AM
2h 48m • 2 changes
8:48 AM → 11:40 AM
2h 52m • 2 changes
Show more

Departing Tuesday, October 27, 2026

5:48 AM → 8:40 AM
2h 52m • 2 changes
6:18 AM → 9:08 AM
2h 50m • 2 changes
6:48 AM → 9:36 AM
2h 48m • 2 changes
7:18 AM → 10:12 AM
2h 54m • 2 changes
Show more

Departing Wednesday, October 28, 2026

5:48 AM → 8:40 AM
2h 52m • 2 changes
6:18 AM → 9:08 AM
2h 50m • 2 changes
6:48 AM → 9:36 AM
2h 48m • 2 changes
7:18 AM → 10:12 AM
2h 54m • 2 changes
Show more

Departing Thursday, October 29, 2026

5:48 AM → 8:40 AM
2h 52m • 2 changes
6:18 AM → 9:08 AM
2h 50m • 2 changes
6:48 AM → 9:36 AM
2h 48m • 2 changes
7:18 AM → 10:12 AM
2h 54m • 2 changes
Show more

Departing Friday, October 30, 2026

5:48 AM → 8:40 AM
2h 52m • 2 changes
6:18 AM → 9:08 AM
2h 50m • 2 changes
6:48 AM → 9:36 AM
2h 48m • 2 changes
7:18 AM → 10:12 AM
2h 54m • 2 changes
Show more

Departing Saturday, October 31, 2026

5:48 AM → 8:36 AM
2h 48m • 2 changes
6:48 AM → 9:36 AM
2h 48m • 2 changes
7:48 AM → 10:40 AM
2h 52m • 2 changes
8:48 AM → 11:40 AM
2h 52m • 2 changes
Show more

Departing Sunday, November 1, 2026

7:18 AM → 10:29 AM
3h 11m • 2 changes
8:18 AM → 11:27 AM
3h 9m • 2 changes
9:48 AM → 12:34 PM
2h 46m • 2 changes
10:48 AM → 1:34 PM
2h 46m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Watford to Cardiff? 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.