Trains from London to Cardiff Bay from $41.19*

Arriving in Cardiff Bay

Trains running from London to Cardiff Bay will typically take around at least 2h 6m and there is approximately 32 train running everyday.

Book cheap train tickets from London to Cardiff Bay

It doesn’t need to be difficult to find cheap train tickets from London to Cardiff Bay. 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

If you frequently travel between London and Cardiff Bay, 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.

Traveling during off-peak hours

Taking advantage of Off-Peak train tickets is another effective way to save money on your train journey from London to Cardiff Bay. These tickets are generally cheaper than peak-time tickets and can be used during less busy periods, typically outside of the morning and evening rush hours. If your schedule allows for flexibility, opting for off-peak hours can lead to substantial cost savings. It's important to note that in most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday, while in other areas, they typically begin at 09:00.

Travel in a group to save 1/3

If you are planning a trip with a group of three to nine people, there's good news for you! You can take advantage of group travel discounts that are offered by many train companies. These discounts can save you up to 1/3 on off-peak fares, making your journey from London to Cardiff Bay more affordable. Whether you're traveling with your family, friends, or colleagues, the group save options make it easier for everyone to enjoy the benefits of discounted fares while embarking on a memorable trip together.