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Cardiff Central to Sea Mills by train

First train

05:07

Last train

23:30

Departure station

Cardiff Central

Arrival station

Sea Mills

Journey time

From 1h 18m

Distance

23 miles (37 km)

Frequency

33 trains per day

Changes

1 change

Train operators

CrossCountry, Great Western Railway

How to travel from Cardiff Central to Sea Mills by train

Want to find out more about taking the train from Cardiff Central to Sea Mills? Look no further.

You'll usually find 33 trains per day running between Cardiff Central and Sea Mills, which usually take 2 hours 16 minutes to complete the 23 miles (37 km) journey. It can take as little as 1 hour 18 minutes on the fastest services though, if you want to get there as quickly as possible. Although there aren't any direct services on this line, it's still easy to travel to Sea Mills by train, you'll just need to make 1 change along the way. Both Great Western Railway and CrossCountry trains operate on this route, offering modern comfortable services with plenty of room for luggage as standard.

Use our Journey Planner at the top of the page to search for cheap ticket prices – we'll show you how much you can save on train tickets from Cardiff Central to Sea Mills if you book in advance. Travelling Off-Peak or using a Railcard can also help you save.

Keen to book your train tickets to Sea Mills? No need to wait, start a search with us today! If you want to find out a bit more about the journey first, you can find our train timetable with live train times above, and tips on booking cheap tickets and our FAQs further down the page.

Journey details

Want to know more about your journey from Cardiff Central to Sea Mills? 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 Central to Sea Mills take?

The average journey time by train between Cardiff Central and Sea Mills is 2 hours and 16 minutes, with around 33 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 Central and Sea Mills by train?

The fastest journey time by train from Cardiff Central to Sea Mills is 1 hour and 18 minutes.

Is there a direct train from Cardiff Central to Sea Mills?

No, there are no direct train services from Cardiff Central to Sea Mills. Travelling from Cardiff Central to Sea Mills by train will require a minimum of 1 change.

What time does the first train from Cardiff Central to Sea Mills leave?

The first train from Cardiff Central to Sea Mills leaves at 05:07. Times and services may vary during weekends and holidays.

What time does the last train from Cardiff Central to Sea Mills leave?

The last train from Cardiff Central to Sea Mills leaves at 23:30. 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 Central and Sea Mills by train?

Trains travelling from Cardiff Central to Sea Mills cover a distance of around 23 miles (37 km) during the journey.

Looking for more information?

If you’re looking for the return train journey, check out trains from Sea Mills to Cardiff Central.

Cheap train tickets from Cardiff Central to Sea Mills

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 Central to Sea Mills 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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