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Trains from St Helier (London) to
Mountain Ash

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St Helier (London) to Mountain Ash by train

Considering a train trip from St Helier (London) to Mountain Ash? The journey typically lasts around 5hrs 5 mins and spans about 138 miles (222 kilometres). With approximately 21 trains running each day, you're spoiled for choice when scheduling your travel. By booking your tickets in advance, you could secure fares starting from just £29.00, making it a budget-friendly option for smart travelers.

St Helier (London) to Mountain Ash Key Stats

Arrival Station

Mountain Ash

Departure Station

St Helier (London)

Frequency

21trains
per day

Journey Time

from4hrs 6 mins

Changes

3-4no direct
trains

First Train / Last Train

06:27 / 00:13

Distance

138miles
(222 km)

2 Routes

4 Train Operators

Prices

from£29.00

Travelling from St Helier (London) to Mountain Ash by Train

Embark on a train journey from St Helier (London) to Mountain Ash, and you'll find it's quicker than you might anticipate!

The typical travel time is about 5hrs 5 mins, but if you're in a hurry or just eager to arrive, the fastest trains can whisk you there in just 4hrs 6 mins. With approximately 21 trains running daily, you have a wealth of options to choose from. This scenic route, spanning 138 miles (222 km), generally involves just one transfer, and operators like Thameslink, GWR, Elizabeth Line, Transport for Wales offer comfortable seating with plenty of room for your luggage.

Here's the best part: by booking your tickets in advance, you can snag fares starting from only £29.00, offering a substantial saving over buying tickets at the last minute. For even more savings, consider traveling during Off-Peak times or using a Railcard.

Ready to secure those budget-friendly tickets? Use our Journey Planner to discover the latest deals and keep your travel costs down. Dive into more travel tips below or consult our timetable for up-to-date train schedules. All aboard for Mountain Ash!

Journey Details

Frequently asked questions about journeys between St Helier (London) and Mountain Ash

Curious about your trip from St Helier (London) to Mountain Ash? We've put together answers to the most commonly asked questions from our customers to make planning your journey easier.

How long does it take to travel between St Helier (London) and Mountain Ash by train?

The travel time between St Helier (London) and Mountain Ash by train varies depending on the type of train and the route, but the average journey time is 5hrs 5 mins & the fastest journey takes 4hrs 6 mins.

What's the fastest journey time between St Helier (London) and Mountain Ash by train?

The fastest journey time by train from St Helier (London) to Mountain Ash is 4hrs 6 mins.

How much does the train from St Helier (London) to Mountain Ash cost?

Train ticket prices from St Helier (London) to Mountain Ash can start from as little as £29.00 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.

What are the departure and arrival times for trains between St Helier (London) and Mountain Ash?

The departure and arrival times for trains between St Helier (London) and Mountain Ash vary depending on the day of the week and the type of train. Generally, there are around 21 departures and arrivals throughout the day. The first departure is 06:27, and the last train of the day leaves at 00:13.

What is the difference between first class and standard class on trains between St Helier (London) and Mountain Ash?

First class tickets on trains between St Helier (London) and Mountain Ash typically offer more space, complimentary food and drink, and other amenities compared to standard class.

What amenities are available on trains between St Helier (London) and Mountain Ash?

Amenities on trains between St Helier (London) and Mountain Ash can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

What is the cheapest way to travel from St Helier (London) to Mountain Ash by train?

By booking your tickets on traintickets.com! There are many ways to save on the cost of train travel between St Helier (London) and Mountain Ash. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Mountain Ash, and can save you up to 90%! Simply search for your journey, and be assured we have found you the best possible price.

Is it possible to take a direct train from St Helier (London) to Mountain Ash?

No, unfortunately there are no direct trains between St Helier (London) & Mountain Ash. However, there are 21 possible journeys which require a change.

What train companies run services from St Helier (London) to Mountain Ash?

Thameslink, GWR, Elizabeth Line and Transport for Wales are the main train operating companies running services between St Helier (London) and Mountain Ash.

Can I bring luggage on board trains between St Helier (London) and Mountain Ash?

Yes, you can bring luggage on board trains between St Helier (London) and Mountain Ash, but there may be limits on the number of bags or the size and weight of your luggage.

When are St Helier (London) to Mountain Ash Train Times?

Check out the upcoming trains from St Helier (London) to Mountain Ash on Wednesday 30th July 2025, with our handy timetable below.

Alternatively, you can view the full day's schedule or search for a different date here!

Wednesday 30th July
DepartsArrivesChangesVia StationsDurationOperator
13:27 St Helier (London)17:33 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 6 mins Get Tickets
13:57 St Helier (London)18:03 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 6 mins Get Tickets
14:27 St Helier (London)18:33 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 6 mins Get Tickets
14:57 St Helier (London)19:03 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 6 mins Get Tickets
15:27 St Helier (London)20:03 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 36 mins Get Tickets
16:27 St Helier (London)20:33 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 6 mins Get Tickets
16:57 St Helier (London)21:33 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 36 mins Get Tickets
17:57 St Helier (London)22:33 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
4 hrs 36 mins Get Tickets
18:27 St Helier (London)23:31 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
5 hrs 4 mins Get Tickets
20:57 St Helier (London)06:31 Mountain Ash4 changesLondon Blackfriars
London Paddington
Cardiff Central
Pontypridd
9 hrs 34 mins Get Tickets
21:27 St Helier (London)07:03 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
9 hrs 36 mins Get Tickets
23:27 St Helier (London)09:03 Mountain Ash3 changesFarringdon
London Paddington
Cardiff Central
9 hrs 36 mins Get Tickets
Search all times & prices for today

What are my cheap ticket options for St Helier (London) to Mountain Ash journeys?

From booking in Advance, to our FairSplits, here are our tips for you to find the best price

Advance Tickets

A single ticket for one journey leaving at a specific date and time.

The rule is: the sooner you book the cheaper they are. Usually the cheapest, but least flexible.

Advance fares from St Helier (London) to Mountain Ash start from as little as £29.00

Off-Peak & Super Off-Peak Tickets

Offering greater flexibility than Advances, Off-Peak tickets offer travel during less busy times of day trading off more flexibility in the Off-Peak windows but for still discounted fares.

Off Peak fares from St Helier (London) to Mountain Ash start from £107.30 one way, or £108.30 return

Anytime Tickets

Anytime tickets are fully flexible allowing travel at any time of the day. Brilliant if you don’t want the pressure of clock watching, returning when you want

Anytime fares from St Helier (London) to Mountain Ash are available for £149.50 one way, or £299.00 return

With our FairSplit technology, you can save up to 90% on the cost of train travel.

Split ticketing means that instead of purchasing one rail ticket for your journey we automatically find and help you book two or more tickets instead, covering exactly the same journey. We call it our FairSplit.

Travelling in a group? We can save you even more!

Unlike other split ticketing sites, you can enter multiple railcards in a single search on traintickets.com. We will find you the best price using all possible combinations of your railcards in conjunction with our split ticketing technology & GroupSave.

When you do a search on traintickets.com we check all the cheapest prices automatically

Everything you need to know about St Helier (London) Station

Discovering St Helier (London) Train Station

When you're navigating through the bustling and often complex world of London's transport network, finding the right information can make all the difference. St Helier (London) train station is a quaint, suburban station situated on the cusp of Central London, in the London Borough of Sutton. Ideal for those looking to escape the rush of the city, while still having access to its many wonders, St Helier provides a perfect midpoint for your travel needs.

Facilities and Amenities

While St Helier station prides itself on having a working blend of modern services in a community-friendly environment, it offers basic yet essential amenities. It does not contain a formal ticket office, yet you can easily purchase or collect your tickets via the automated machines available. These machines are accessible and cater to Disabled Persons Railcard discounts, keeping accessibility at the forefront.

St Helier might not boast luxurious amenities; there are no toilets, baby changing facilities, waiting rooms, or refreshment stands. However, seating is available should you need to rest before your journey. For those on two wheels, the station caters with 30 bicycle storage spaces that are secure and CCTV-monitored. Despite its modest offerings, the presence of its accessible ticket machines and induction loops makes it a commendable choice for efficient travel.

Transport Links

Having comprehensive access to onward travel is a hallmark of St Helier station. While the station itself lacks taxi services, it is well-connected with the local bus network. Detailed onward journey information can be accessed through the Onward Travel Information Map, ensuring that your adventure beyond the train station is as seamless as your rail journey.

The station also accommodates rail replacement services when necessary, which could be a lifesaver during unexpected disruptions on the line.

Popular Journeys from St Helier

If you're craving inspiration for your next train adventure, St Helier station offers routes to numerous popular London destinations. Discover an exciting shopping day out with a trip to Wimbledon or immerse yourself in the historic charm of London Blackfriars. For those with a taste for more central destinations, options like London Waterloo or London St Pancras International are excellent choices. Explore a multitude of routes leading to Clapham Junction and beyond, each offering its unique slice of London life.

Looking Ahead

St Helier (London) train station may not be the largest, nor the most equipped, but what it lacks in size, it makes up for in charm and utility. Perfect for the daily commuter or the adventurer eyeing up London's landscapes, and particularly well-suited for cyclists with its substantial bike storage, this station is all about the trip rather than what meets the eye.

For the best experience, ensure you pre-book your tickets online and check the services to fully enjoy what St Helier and its subsequent destinations have to offer. With sundry routes leading to vibrant parts of London, this station serves as a trusted gateway to wherever your journey intends to take you.

Everything you need to know about Mountain Ash Station

Welcome to Mountain Ash Train Station

Situated in the breathtaking South Wales Valleys, Mountain Ash train station is a key stop for travelers keen on exploring the surrounding area or commuting to various destinations in the UK. Known for its scenic views, Mountain Ash offers passengers a charming departure point to embark on their journeys through Wales and beyond. Whether you're a seasoned commuter or visiting for leisure, this station serves as a gateway to your next adventure.

Facilities and Amenities

Mountain Ash station ensures a convenient travel experience with several essential amenities. While there is no traditional ticket office, ticket machines are readily available for purchasing and collecting tickets, catering to contactless payments via major debit and credit cards. There's no presence of cash facilities, but the station provides accessible ticket machines for all passengers' ease.

For those requiring assistance or information, accessible help points and departure/arrival screens are available, and helpful announcements keep passengers in the loop. While there isn't a staffed waiting room, seating areas are provided for comfort as you await your train. Mountain Ash station boasts step-free access throughout, ensuring seamless navigation for those with mobility impairments, with ramps leading to both platforms.

Onward Travel Options

Getting to and from Mountain Ash is made convenient with local transport links. For those needing rail replacement services, the bus stop on Henry Street is designated for such purposes. Meanwhile, regular local bus services can be accessed from stops along Henry Street and Oxford Street, providing further connections.

While the station does not offer accessible taxis or cycle hire facilities, parking is generously available with 19 spaces, eight of which cater to accessible needs, all monitored by CCTV for peace of mind.

Popular Destinations

Mountain Ash is more than just a local stop; it's a launchpad to numerous wonderful destinations. Take a direct train from Mountain Ash to Cardiff Central for a taste of the vibrant Welsh capital, or explore the lively atmosphere at Merthyr Tydfil by train. History enthusiasts can catch a train to Swansea to visit its rich maritime heritage, while regular services are available to Aberdare for breathtaking hikes along nature trails.

For an extended journey, hop aboard for a trip from Mountain Ash to London Paddington, connecting you to the bustling heart of the UK. With frequent services to all these exciting destinations and more, planning your escape from Mountain Ash has never been easier.

Final Thoughts

Mountain Ash train station is a testament to modern accessibility and convenience nestled within a picturesque landscape. Whether you're looking for a quick commute, a cross-country voyage, or an exploration of local treasures, it offers the essential services and travel options to start your journey right. Remember to book your tickets in advance for the best deals and timings – happy travels!

Looking for more inspiration?

Popular places to travel by train from St Helier (London)