Arriving in Cardiff
Trains traveling between Portsmouth and Cardiff usually start their journey from Portsmouth & Southsea and reach Cardiff Central. The duration of this trip is approximately 3h 17m.
Book cheap train tickets from Portsmouth to Cardiff
Let's save unnecessary costs when traveling from Portsmouth to Cardiff 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.
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 Portsmouth to Cardiff ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Traveling during off-peak hours
The important thing to note about Off-Peak train tickets is the designated off-peak time. In large cities and towns, the off-peak time for train travel from Portsmouth to Cardiff usually starts at 9:30 am from Monday to Friday, while in other areas it starts at 9:00 am. By planning your journey during these off-peak hours, you can take advantage of cheaper and more comfortable train fares, ensuring a smoother travel experience and avoiding the crowded peak hours.
*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.