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Trains from Heathrow Terminal 5 (All Stations) to
Merthyr Tydfil

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Heathrow Terminal 5 (All Stations) to Merthyr Tydfil by train

A train trip from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil takes about 4hrs 31 mins on average, covering roughly 125 miles (202 kilometres). With around 31 trains running each day, there's plenty of flexibility for your travel plans.

Heathrow Terminal 5 (All Stations) to Merthyr Tydfil Key Stats

Arrival Station

Merthyr Tydfil

Departure Station

Heathrow Terminal 5 (All Stations)

Frequency

31trains
per day

Journey Time

from3hrs 48 mins

Changes

2-3no direct
trains

First Train / Last Train

04:30 / 00:25

Distance

125miles
(202 km)

4 Routes

5 Train Operators

Travelling from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil by Train

Hop on a Train from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil – It’s Faster Than You Think!

Planning to travel from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil by train? Well, you've come to the right place – and don’t worry, it won’t take forever!

On average, the journey takes around 4hrs 31 mins. But if you’re in a hurry (or just really eager to get to Merthyr Tydfil), the fastest trains can whisk you there in just 3hrs 48 mins. With roughly 31 trains running every day, you're spoiled for choice. This scenic 125-mile (202 km) journey usually requires just one change. You’ll be in the good hands of Transport for Wales, Elizabeth Line, Heathrow Express, GWR, CrossCountry, all of whom offer comfy seats and plenty of luggage space – because, let’s face it, nobody likes a cramped train!

So, ready to snag those cheap tickets? Use our Journey Planner to find the latest prices and make your wallet happy. Keep scrolling for more travel tips, or check out our timetable above for live train times. Time to choo-choo your way to Merthyr Tydfil!

Journey Details

Frequently asked questions about journeys between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil

Curious about your trip from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil? 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 Heathrow Terminal 5 (All Stations) and Merthyr Tydfil by train?

The travel time between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil by train varies depending on the type of train and the route, but the average journey time is 4hrs 31 mins & the fastest journey takes 3hrs 48 mins.

What's the fastest journey time between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil by train?

The fastest journey time by train from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil is 3hrs 48 mins.

What are the departure and arrival times for trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil?

The departure and arrival times for trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil vary depending on the day of the week and the type of train. Generally, there are around 31 departures and arrivals throughout the day. The first departure is 04:30, and the last train of the day leaves at 00:25.

What is the difference between first class and standard class on trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil?

First class tickets on trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil typically offer more space, complimentary food and drink, and other amenities compared to standard class.

What amenities are available on trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil?

Amenities on trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

What is the cheapest way to travel from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil by train?

By booking your tickets on traintickets.com! There are many ways to save on the cost of train travel between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Merthyr Tydfil, 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 Heathrow Terminal 5 (All Stations) to Merthyr Tydfil?

No, unfortunately there are no direct trains between Heathrow Terminal 5 (All Stations) & Merthyr Tydfil. However, there are 31 possible journeys which require a change.

What train companies run services from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil?

Transport for Wales, Elizabeth Line, Heathrow Express, GWR and CrossCountry are the main train operating companies running services between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil.

Can I bring luggage on board trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil?

Yes, you can bring luggage on board trains between Heathrow Terminal 5 (All Stations) and Merthyr Tydfil, but there may be limits on the number of bags or the size and weight of your luggage.

When are Heathrow Terminal 5 (All Stations) to Merthyr Tydfil Train Times?

Check out the upcoming trains from Heathrow Terminal 5 (All Stations) to Merthyr Tydfil on Friday 25th April 2025, with our handy timetable below.

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

Friday 25th April
DepartsArrivesChangesVia StationsDurationOperator
19:12 Heathrow Terminal 5 (Rail Station Only)23:31 Merthyr Tydfil2 changesLondon Paddington
Cardiff Central
4 hrs 19 mins Get Tickets
22:12 Heathrow Terminal 5 (Rail Station Only)06:30 Merthyr Tydfil2 changesLondon Paddington
Cardiff Central
8 hrs 18 mins Get Tickets
22:20 Heathrow Terminal 5 (Rail Station Only)06:30 Merthyr Tydfil3 changesHayes & Harlington
Reading
Cardiff Central
8 hrs 10 mins Get Tickets
22:57 Heathrow Terminal 5 (Rail Station Only)08:29 Merthyr Tydfil3 changesLondon Paddington
Bristol Temple Meads
Cardiff Central
9 hrs 32 mins Get Tickets
23:57 Heathrow Terminal 5 (Rail Station Only)09:59 Merthyr Tydfil3 changesLondon Paddington
Bristol Temple Meads
Cardiff Central
10 hrs 2 mins Get Tickets
Search all times & prices for today

What are my cheap ticket options for Heathrow Terminal 5 (All Stations) to Merthyr Tydfil 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.

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.

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

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

Heathrow Terminal 5 (All Stations)

The following stations are part of this group. Click a station for more information.

Everything you need to know about Merthyr Tydfil Station

Explore the Heart of Wales with Merthyr Tydfil Station

Sitting at the gateway to some of the most stunning parts of South Wales, Merthyr Tydfil Train Station serves as a welcoming hub for locals and travelers alike. Whether you're planning a leisurely trip through the Welsh valleys or a convenient route for your daily commute, this station offers everything you need. With its convenient facilities and stress-free travel options, Merthyr Tydfil is an ideal starting point for your next journey.

Station Facilities and Accessibility

Merthyr Tydfil Station prides itself on offering accessible and user-friendly services. The station features a ticket office operational from Monday to Friday between 07:15 and 15:50, and on Saturdays from 08:15 to 16:50. For quicker alternatives, you can use the ticket machines which accept most credit and debit cards. It's worth noting to plan cash purchases in advance as these machines do not accept cash.

The station provides step-free access, although restricted to certain parts, and equipped with helpful facilities like induction loops and accessible help points to enhance your journey. The waiting rooms are available during ticket office hours, providing a comfortable spot to rest before heading to your platform. Additionally, CCTV cameras ensure safety throughout the premises.

Travel Connections at Your Fingertips

Onward travel from Merthyr Tydfil Station is seamless, making it easy for passengers to transition between various modes of transport. While the station's bustling bus connections require separate ticketing from your rail pass, the PlusBus option offers discounted travel within the town. You might also be interested in the X43 service to Brecon, perfect for exploring more of the local landscape.

For cyclists, the station offers six sheltered Sheffield stands, although unfortunately, it doesn't provide cycle hire services. The car park managed by Transport for Wales is open 24/7 with free parking, making it an excellent option for those coming from nearby areas.

Popular Routes from Merthyr Tydfil

Feeling adventurous? Consider hopping on a train to explore some of the beautiful destinations accessible from Merthyr Tydfil. You can plan a scenic journey to Cardiff Central or perhaps enjoy a leisurely ride to nearby Pontypridd and Abercynon. For a longer trip, you might choose the route towards the hustle and bustle of London Paddington or the charming coasts of Barry Island.

A few other sought-after routes include the paths to Cardiff Queen Street, Trefforest, or heading north to Aberdare. For those chasing urban vibes, a quick trip over to Newport or as far-reaching as Bristol Temple Meads are easily accessible.

Final Thoughts: Convenience and Charm

Merthyr Tydfil Station represents a fusion of traditional Welsh hospitality with modern convenience. It provides a range of facilities and connections that cater to regular commuters and adventurous tourists alike. Whether you're planning a day out in Cardiff, a run up to the valleys, or even a cross-country adventure, you’ll find the station ready and waiting to be the starting point of your journey. So why wait? Check out those rail times and embark on your next exploration today with Merthyr Tydfil as your portal to the wonders of Wales and beyond.