Train Radlett to Cardiff from £88 | Tickets & Timetables

Trip Overview

The average train between Radlett and Cardiff takes 3h 7m and the fastest train takes 2h 46m. There is an hourly train service from Radlett 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.

3h 7m
Duration: 164 mi
Distance: £88
Average price: Hourly
Frequency

Train

best

Take the train from Radlett to Farringdontrain St Albans City - Sutton / ...
Take the train from London Paddington to Cardiff Centraltrain London Paddington - Swansea / ...

3h 9m

£70–152

Radlett to Cardiff train times

Trains run hourly between Radlett and Cardiff. The earliest departure is at 5:41 AM in the morning, and the last departure from Radlett is at 11:14 PM which arrives into Cardiff at 8:06 AM. All services require a transfer at Farringdon and take an average of 3h 7m. The schedules shown below are for the next available departures.

Departing Monday, July 6, 2026

9:42 PM → 1:08 AM
Arrives next day
3h 25m • 2 changes
11:14 PM → 8:06 AM
Arrives next day
8h 52m • 2 changes

Departing Tuesday, July 7, 2026

5:41 AM → 8:40 AM
2h 59m • 2 changes
6:16 AM → 9:08 AM
2h 51m • 2 changes
6:50 AM → 9:36 AM
2h 46m • 2 changes
7:20 AM → 10:12 AM
2h 51m • 2 changes
Show more

Departing Wednesday, July 8, 2026

5:41 AM → 8:40 AM
2h 59m • 2 changes
6:16 AM → 9:08 AM
2h 51m • 2 changes
6:50 AM → 9:36 AM
2h 46m • 2 changes
7:20 AM → 10:12 AM
2h 51m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Radlett 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.