Trains from London to Cardiff from $36.71*

Arriving in Cardiff

Trains traveling between London and Cardiff usually start their journey from London Paddington and reach Cardiff Central. The duration of this trip is approximately 1h 43m.

Book cheap train tickets from London to Cardiff

It doesn’t need to be difficult to find cheap train tickets from London to Cardiff. If you know where to look and how to take advantage of available discounts and travel options, then saving money with Trip.com becomes second nature. Here are some of our top tips to help you save money on your train travel.

Season Tickets for frequent travel

Are you frequently traveling between London and Cardiff on a weekly, monthly, or annual basis? If so, it's highly recommended to consider getting Season Tickets. This ticket provides you with the convenience of unlimited travel during specific times, allowing you to freely hop on and off trains without worrying about individual ticket bookings. By opting for a Season Ticket, you can save yourself from the hassle of repeatedly purchasing tickets and avoid incurring unnecessary additional costs. It's a cost-effective and time-saving solution for your frequent journeys between London and Cardiff.

Book in advance to save an average of 61%

One of the most effective ways to get cheap train tickets is to book in advance. Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than purchasing tickets closer to the departure date. By planning your trip from London to Cardiff ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards available to cater to different groups of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.