Train Cardiff to Dunstable from £98 | Tickets & Timetables

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: £98
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 / ...

3h 11m

£83–158

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 Monday, April 27, 2026

5:18 PM → 8:31 PM
3h 13m • 2 changes
5:50 PM → 9:01 PM
3h 11m • 2 changes
6:18 PM → 9:31 PM
3h 13m • 2 changes
7:18 PM → 10:15 PM
2h 57m • 2 changes
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Departing Tuesday, April 28, 2026

5:07 AM → 8:35 AM
3h 28m • 2 changes
5:54 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
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Departing Wednesday, April 29, 2026

5:07 AM → 8:35 AM
3h 28m • 2 changes
5:54 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.