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Outbound fromCardiff Bay to London by train
It takes an average of 6h 11m to travel from Cardiff Bay to London by train, over a distance of around 131 miles (210 km). There are normally 56 trains per day travelling from Cardiff Bay to London and tickets for this journey start from £49.10 when you book in advance.
| First train | 05:38 | |
|---|---|---|
| Last train | 23:54 | |
| Departure station | Cardiff Bay | |
| Arrival station | London | |
| Journey time | From 2h 13m | |
| Distance | 131 miles (210 km) | |
| Frequency | 56 trains per day | |
| Changes | 1 change | |
| Price | From £49.10 | |
| Train operators | CrossCountry, Great Western Railway, South Western Railway, Avanti West Coast, Thameslink, Transport for Wales |
Travel from Cardiff Bay to London by train in 2 hours 13 minutes
If you want to know more about the journey from Cardiff Bay to London by train, look no further!
The average journey time from Cardiff Bay to London by train is 6 hours 11 minutes, although on the fastest services it can take just 2 hours 13 minutes. You'll usually find 56 trains per day travelling the 131 miles (210 km) between these two destinations. You'll need to make 1 change along the way to London. You'll be travelling with Avanti West Coast, Great Western Railway or Transport for Wales on your way to London, as these are the main rail operators on this route.
Plan your trip ahead of time and book early if you want to snap up the cheapest fares. Tickets from Cardiff Bay to London start from £49.10 when you book in advance, so use our Journey Planner to view the latest prices. Travelling Off-Peak or using a Railcard are also great ways to save.
Keep reading for more information about the train journey to London, including FAQs, and tips on booking cheap train tickets. Check the timetable above for live train times or if you're ready to book, just start a search for tickets with us today.
Journey details
Want to know more about your journey from Cardiff Bay to London? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.
How long does the train from Cardiff Bay to London take?
The average journey time by train between Cardiff Bay and London is 6 hours and 11 minutes, with around 56 trains per day. The journey time may be longer on weekends and holidays, so use our Journey Planner on this page to search for a specific travel date.
What's the fastest journey time between Cardiff Bay and London by train?
The fastest journey time by train from Cardiff Bay to London is 2 hours and 13 minutes.
How much does the train from Cardiff Bay to London cost?
Train ticket prices from Cardiff Bay to London can start from as little as £49.10 when you book in advance. The cost of tickets can vary depending on the time of day, route and class you book and are usually more expensive if you book on the day.
Is there a direct train from Cardiff Bay to London?
No, there are no direct train services from Cardiff Bay to London. Travelling from Cardiff Bay to London by train will require a minimum of 1 change.
What time does the first train from Cardiff Bay to London leave?
The first train from Cardiff Bay to London leaves at 05:38. Times and services may vary during weekends and holidays.
What time does the last train from Cardiff Bay to London leave?
The last train from Cardiff Bay to London leaves at 23:54. Trains that depart in the early morning hours or very late evening may be sleeper services, time and services may also vary during weekends and holidays.
What's the distance between Cardiff Bay and London by train?
Trains travelling from Cardiff Bay to London cover a distance of around 131 miles (210 km) during the journey.
Looking for more information?
If you’re looking for the return train journey, check out trains from London to Cardiff Bay.
Cheap train tickets from Cardiff Bay to London
Book in advance
Look out for Advance tickets – they usually come out up to 12 weeks before the departure date and can be cheaper than buying on the day. If you’re here a tad early, sign up for our Advance ticket alert today to get notified when your tickets are released.
Consider a Season Ticket
If you catch this train more than 3 times per week, you could save money with a Season Ticket. With annual, monthly and weekly options available, find out if a season ticket for Cardiff Bay to London is right for you.
Use your Railcard
National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel a few times or more in a year. Find out how you can save with a National Railcard here.
Split your tickets
Download our app to find split tickets — courtesy of SplitSave, our handy feature which 'splits' your train tickets where possible to find you a better deal. Learn more about the clever tech behind split tickets, and how to spot SplitSave discounts in our app.
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.