Arriving in London
With a journey time as short as 3h 37m, you can reach London from Carmarthen, with an average of 24 train per day.
Book cheap train tickets from Carmarthen to London
Let's save unnecessary costs when traveling from Carmarthen 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.
Season Tickets for frequent travel
If you frequently travel between Carmarthen and London, consider purchasing a Season Ticket to maximize your savings. Season Tickets provide unlimited travel between the specified stations and are available for different durations, such as weekly, monthly, or annually. By opting for a Season Ticket, you can enjoy the convenience of not having to purchase a ticket for each journey, while also benefiting from substantial cost reductions.
Travel in a group to save 1/3
If you are traveling in a group of three to nine people, you can benefit from group travel discounts. Many train companies offer GroupSave options, which provide a discount of up to 1/3 on standard fares. This makes traveling from Carmarthen to London more affordable for families, friends, or colleagues planning a trip together.
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.
*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.