How to take the rail journey from London to Cardiff

Share this journey with a friend...

London to Cardiff by train

How to buy tickets, what's on board the trains, how to use the stations, plus tips for making the journey

Routes you can take to go from London to Cardiff

When travelling between most cities by train there is only one logical option, though on other journeys there is a choice between different trains or alternative routes. If different options are available you can use the info to decide which is best for you.

Choose one of the following options:
Looking for connections?

Route Information

Travel Time (approx)

1hr 52min - 2hrs



Travel Info

Monday - Friday = 2 x trains per hour
Saturdays = 18 x trains (minimum of 1 x train per hour, but two departures per hour are available 17:00 - 20:00)
Sunday = 15 x trains (minimum of 1 x train per hour, but two departures per hour are available 14:00 - 15:00)

On Monday to Fridays the trains which typically depart London at around 16:15 and 19:15 are now non-stop from London to Bristol Parkway station, so have a journey time of only 1hr 45min.

  • Is the journey direct? = Yes
  • Is the journey scenic? = Not particularly
  • When is the usual approximate earliest arrival at the destination? = before 08:00 on Monday to Friday; before 08:45 on Saturday; before 10:30 on Sunday
  • When is the usual approximate latest departure? = after 22:45 on Monday to Friday; after 20:45 on Saturday; 21:45 on Sunday
  • Are tickets cheaper if booked in advance? = Yes
  • How soon ahead of travel are tickets typically placed on sale? = 12 weeks; see the Ticket Information
  • What are the child ticket terms? = aged 5 to 15 = 50%; 4 and under = free
  • Does the ticket include assigned seats? = Varies; Yes with Advance Tickets; see the Ticket Information
  • Do rail pass users need to book reservations? = No
  • Is catering available on the train? = Yes = At Seat Catering
Take the stress out of your journey Everything planned to your specification, so sit back and relax… Try Concierge

Please support ShowMeTheJourney

Help keep us advertising and paywall free!


This second version of ShowMeTheJourney is exciting and new, so we are genuinely thrilled that you are here and reading this, but we also need your help.

We’re striving not to let anything get in the way of providing the most useful service possible, hence a facility has been set up with DonorBox which can be used to support the running costs and make improvements.

Instead of advertising or paywalls, your financial support will make a positive difference to delivering an enhanced service, as there’s a lot of ideas which we want to make happen.

So if you have found the info provided here to be useful, please consider saying thank you.

See if there’s a unique journey guide for your trip, featuring info on the trains, tickets & stations.
Leaving From
Going To

This is one of more than 100 train travel guides available on ShowMeTheJourney, which will make it easier to take the train journeys you want or need to make. As always, all images were captured on trips taken by ShowMeTheJourney.