Travel UpdatesLast updated:
We advise you check your journey before traveling with us today
There is a good service across our network
Journeys between London and Cardiff take around 1 hour 50 minutes, but can be longer on public holidays, and at weekends.
Our fastest service takes 1 hour 48 minutes.
Trains from London Paddington to Cardiff are frequent and there are usually 2 trains departing every hour on weekdays.
The fastest direct trains from London Paddington to Cardiff call at Reading, Swindon (Wilts), Bristol Parkway and Newport (South Wales).
Longer services also stop at Didcot Parkway.
Looking to find the best deal on your Cardiff train tickets? Take a look at our money saving ticket options before you buy – you might miss a bargain.