Cardiff to Dunstable Trains

Cardiff to Dunstable trains

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Trip Overview

The average train between Cardiff and Dunstable takes 3h 3m and the fastest train takes 2h 47m. There is an hourly train service from Cardiff to Dunstable. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 3m
Duration: 182 mi
Distance: £96
Average price: Hourly
Frequency

Train

best

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

2h 57m

£82–138

Cardiff to Dunstable train times

Trains run hourly between Cardiff and Dunstable. 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 Dunstable at 12:37 AM. All services require a transfer at London Paddington and take an average of 3h 3m. The schedules shown below are for the next available departures.

Departing Tuesday, October 27, 2026

11:50 AM → 2:45 PM
2h 55m • 2 changes
12:19 PM → 3:15 PM
2h 55m • 2 changes
12:50 PM → 3:45 PM
2h 55m • 2 changes
1:18 PM → 4:15 PM
2h 57m • 2 changes
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Departing Wednesday, October 28, 2026

5:07 AM → 8:35 AM
3h 28m • 2 changes
5:53 AM → 8:45 AM
2h 51m • 2 changes
6:24 AM → 9:35 AM
3h 11m • 2 changes
6:51 AM → 10:01 AM
3h 9m • 2 changes
Show more

Departing Thursday, October 29, 2026

5:07 AM → 8:35 AM
3h 28m • 2 changes
5:53 AM → 8:45 AM
2h 51m • 2 changes
6:24 AM → 9:35 AM
3h 11m • 2 changes
6:51 AM → 10:01 AM
3h 9m • 2 changes
Show more

Departing Friday, October 30, 2026

5:07 AM → 8:35 AM
3h 28m • 2 changes
5:53 AM → 8:45 AM
2h 51m • 2 changes
6:24 AM → 9:35 AM
3h 11m • 2 changes
6:51 AM → 10:01 AM
3h 9m • 2 changes
Show more

Departing Saturday, October 31, 2026

5:14 AM → 8:15 AM
3h 1m • 2 changes
6:20 AM → 9:15 AM
2h 55m • 2 changes
6:48 AM → 9:45 AM
2h 57m • 2 changes
7:18 AM → 10:15 AM
2h 57m • 2 changes
Show more

Departing Sunday, November 1, 2026

8:50 AM → 12:01 PM
3h 11m • 2 changes
9:35 AM → 12:31 PM
2h 56m • 2 changes
10:20 AM → 1:17 PM
2h 57m • 2 changes
11:20 AM → 2:17 PM
2h 57m • 2 changes
Show more

Departing Monday, November 2, 2026

5:07 AM → 8:35 AM
3h 28m • 2 changes
5:53 AM → 8:45 AM
2h 51m • 2 changes
6:24 AM → 9:35 AM
3h 11m • 2 changes
6:51 AM → 10:01 AM
3h 9m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Dunstable? 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.