Arriving in London
Trains running from Cardiff Bay to London will typically take around at least 3h 3m and there is approximately 3 train running everyday.
Book cheap train tickets from Cardiff Bay to London
It doesn’t need to be difficult to find cheap train tickets from Cardiff Bay to London. 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.
Network Railcard for South East England
To further enhance your savings on train travel in South East England, consider obtaining a Network Railcard. For a nominal annual fee, this railcard allows you to save 1/3 on most fares, including routes to and from London. Whether you're purchasing standard or off-peak tickets, the Railcard proves to be highly advantageous for frequent travelers within this region.
Get 1/3 off with a Railcard
Various Railcards are available for different groups and can save you up to 1/3 on fares from Cardiff Bay to London. You can choose the 16–25 Railcard or Senior Railcard based on your age. Additionally, the Family & Friends Railcard or Two Together Railcard are good options for group travel.
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 Cardiff Bay to London more affordable for families, friends, or colleagues planning a trip together.
*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.