Arriving in London
Trains running from Cardiff to London will typically depart from Cardiff Central and arrive at London Paddington. The journey takes around 1h 47m.
Book cheap train tickets from Cardiff to London
Let's save unnecessary costs when traveling from Cardiff to London by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.
Network Railcard for South East England
By purchasing a Network Railcard for an affordable price per year, you can unlock incredible savings of up to 33.4% on every ticket for your travels in London and the South East. With this Railcard in hand, you'll be able to enjoy reduced costs on various ticket types, including Standard or Super-Off Peak train tickets. It's a fantastic opportunity to make your journeys more affordable and convenient.
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.
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 Cardiff to London ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
*Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. Prices shown do not include split ticket and Railcard discounts.