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Cardiff Bay to London Paddington by train

First train

05:56

Last train

23:54

Departure station

Cardiff Bay

Arrival station

London Paddington

Journey time

From 2h 13m

Distance

129 miles (207 km)

Frequency

41 trains per day

Changes

1 change

Train operators

Great Western Railway, Transport for Wales

Take the train from Cardiff Bay to London Paddington in 2 hours 13 minutes

If you want to travel from Cardiff Bay to London Paddington by train, you've come to the right place.

You can expect the journey from Cardiff Bay to London Paddington by train to take around 4 hours 37 minutes. If you want to get there as quickly as possible, it can take as little as 2 hours 13 minutes on the fastest services. You'll usually find around 41 trains per day running on this route, which spans 129 miles (207 km). You'll have to make 1 change along the way on your journey to London Paddington. You can travel on this route with either Great Western Railway or Transport for Wales trains. Both train companies run modern comfortable services with plenty of room for luggage.

Train tickets from Cardiff Bay to London Paddington are usually cheaper when you book in advance compared to buying them on the day. Travelling during Off-Peak times or using a Railcard can also help you save money on train travel. Start a search in our Journey Planner to check out the latest prices.

Ready to book? Start your search for cheap train tickets with us today. Keep reading for more information, including money-saving tips, or check our timetable above where you can view live train times.

FAQs about the train journey from Cardiff Bay to London Paddington

Want to know more about your journey from Cardiff Bay to London Paddington? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do I get from Cardiff Bay to London Paddington?

You can travel from Cardiff Bay to London Paddington by train in about 4 hours and 37 minutes. With around 41 trains running each day, taking the train is easy. Find out more in our Journey Planner.

How long is the train journey from Cardiff Bay to London Paddington?

On average, the train journey from Cardiff Bay to London Paddington takes around 4 hours and 37 minutes, with 41 trains per day. The duration may vary slightly depending on the specific train and any potential delays. Use our Journey Planner to check out more information.

What is the fastest train from Cardiff Bay to London Paddington?

The fastest trains from Cardiff Bay to London Paddington can cover the distance of 129 miles (207 km) in as little as 2 hours and 13 minutes.

Is there a direct train from Cardiff Bay to London Paddington?

No, you can’t travel from Cardiff Bay to London Paddington on a direct train, you’ll need to make at least 1 change during the journey.

Cheap train tickets from Cardiff Bay to London Paddington

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 Paddington 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.

† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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