Trains from Cardiff Bay to London from $39.06*

Arriving in London

Trains running from Cardiff Bay to London will typically take around at least 2h 13m and there is approximately train running everyday.

Book cheap train tickets from Cardiff Bay to London

Finding cheap train tickets from Cardiff Bay to London doesn't have to be a challenging task. With the right knowledge and by using available discounts and travel options, saving money with Trip.com can become effortless. Here are a few valuable tips to help you save money on your train travel.

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.

Traveling during off-peak hours

Off-Peak train tickets are generally cheaper than peak-time tickets and can be used on services that are less busy, typically outside the morning and evening rush hours. If your schedule allows flexibility, choosing off-peak hours for your trip from Cardiff Bay to London can result in significant cost savings. In most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday. In other areas, they typically begin at 09:00.

Book in advance to save an average of 61%

Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book them, the greater the savings. It's recommended to secure your Advance Tickets as soon as possible, ideally up to 12 weeks in advance. By doing so, you'll not only enjoy substantial discounts but also have peace of mind knowing that you've secured the most affordable option for your journey from Cardiff Bay to London.