This websites requires JavaScript to work. It looks like your browser doesn't support JavaScript, or has it turned off. Please try again with JavaScript support.

70% of our customers find a cheaper split ticket, saving £25 on average

Trains from Heathrow Terminal 4 (Rail Station Only) to
Carmarthen

Search for Split Tickets to get the Cheapest Fares (save up to 90%)

No card or booking fees

Heathrow Terminal 4 (Rail Station Only) to Carmarthen by train

A train trip from Heathrow Terminal 4 (Rail Station Only) to Carmarthen takes about 5hrs 6 mins on average, covering roughly 167 miles (270 kilometres). With around 18 trains running each day, there's plenty of flexibility for your travel plans. If you book in advance, you can grab tickets starting from just £49.60, making it a budget-friendly option for those who plan ahead.

Heathrow Terminal 4 (Rail Station Only) to Carmarthen Key Stats

Arrival Station

Carmarthen

Departure Station

Heathrow Terminal 4 (Rail Station Only)

Frequency

18trains
per day

Journey Time

from4hrs 21 mins

Changes

1-3no direct
trains

First Train / Last Train

06:00 / 00:20

Distance

167miles
(270 km)

4 Routes

3 Train Operators

Prices

from£49.60

Travelling from Heathrow Terminal 4 (Rail Station Only) to Carmarthen by Train

Hop on a Train from Heathrow Terminal 4 (Rail Station Only) to Carmarthen – It’s Faster Than You Think!

Planning to travel from Heathrow Terminal 4 (Rail Station Only) to Carmarthen 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 5hrs 6 mins. But if you’re in a hurry (or just really eager to get to Carmarthen), the fastest trains can whisk you there in just 4hrs 21 mins. With roughly 18 trains running every day, you're spoiled for choice. This scenic 167-mile (270 km) journey usually requires just one change. You’ll be in the good hands of Transport for Wales, Elizabeth Line, GWR, all of whom offer comfy seats and plenty of luggage space – because, let’s face it, nobody likes a cramped train!

The best part? Tickets start from just £49.60 if you book in advance, which is a much better deal than scrambling for tickets on the day. Want to save even more? Travelling during Off-Peak hours or flashing a Railcard can help you keep more money in your wallet.

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 Carmarthen!

Journey Details

Frequently asked questions about journeys between Heathrow Terminal 4 (Rail Station Only) and Carmarthen

Curious about your trip from Heathrow Terminal 4 (Rail Station Only) to Carmarthen? 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 4 (Rail Station Only) and Carmarthen by train?

The travel time between Heathrow Terminal 4 (Rail Station Only) and Carmarthen by train varies depending on the type of train and the route, but the average journey time is 5hrs 6 mins & the fastest journey takes 4hrs 21 mins.

What's the fastest journey time between Heathrow Terminal 4 (Rail Station Only) and Carmarthen by train?

The fastest journey time by train from Heathrow Terminal 4 (Rail Station Only) to Carmarthen is 4hrs 21 mins.

How much does the train from Heathrow Terminal 4 (Rail Station Only) to Carmarthen cost?

Train ticket prices from Heathrow Terminal 4 (Rail Station Only) to Carmarthen can start from as little as £49.60 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 Heathrow Terminal 4 (Rail Station Only) and Carmarthen?

The departure and arrival times for trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen vary depending on the day of the week and the type of train. Generally, there are around 18 departures and arrivals throughout the day. The first departure is 06:00, and the last train of the day leaves at 00:20.

What is the difference between first class and standard class on trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen?

First class tickets on trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen typically offer more space, complimentary food and drink, and other amenities compared to standard class.

What amenities are available on trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen?

Amenities on trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

What is the cheapest way to travel from Heathrow Terminal 4 (Rail Station Only) to Carmarthen by train?

By booking your tickets on traintickets.com! There are many ways to save on the cost of train travel between Heathrow Terminal 4 (Rail Station Only) and Carmarthen. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Carmarthen, 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 4 (Rail Station Only) to Carmarthen?

No, unfortunately there are no direct trains between Heathrow Terminal 4 (Rail Station Only) & Carmarthen. However, there are 18 possible journeys which require a change.

What train companies run services from Heathrow Terminal 4 (Rail Station Only) to Carmarthen?

Transport for Wales, Elizabeth Line and GWR are the main train operating companies running services between Heathrow Terminal 4 (Rail Station Only) and Carmarthen.

Can I bring luggage on board trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen?

Yes, you can bring luggage on board trains between Heathrow Terminal 4 (Rail Station Only) and Carmarthen, but there may be limits on the number of bags or the size and weight of your luggage.

When are Heathrow Terminal 4 (Rail Station Only) to Carmarthen Train Times?

Check out the upcoming trains from Heathrow Terminal 4 (Rail Station Only) to Carmarthen 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
22:15 Heathrow Terminal 4 (Rail Station Only)06:49 Carmarthen3 changesHayes & Harlington
Reading
Swansea
8 hrs 34 mins Get Tickets
23:47 Heathrow Terminal 4 (Rail Station Only)10:24 Carmarthen2 changesEaling Broadway
Reading
10 hrs 37 mins Get Tickets
Search all times & prices for today

What are my cheap ticket options for Heathrow Terminal 4 (Rail Station Only) to Carmarthen 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 Heathrow Terminal 4 (Rail Station Only) to Carmarthen start from as little as £49.60

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 Heathrow Terminal 4 (Rail Station Only) to Carmarthen start from £66.70 one way, or £118.30 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 Heathrow Terminal 4 (Rail Station Only) to Carmarthen are available for £174.50 one way, or £337.50 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 Heathrow Terminal 4 (Rail Station Only) Station

Welcome to Heathrow Terminal 4 (Rail Station Only)

If you're jetting off or arriving at Heathrow, one of the world's busiest airports, the dedicated rail station at Terminal 4 is your perfect travel ally. Easily accessible and well-equipped, this station ensures that journeying to and from this bustling hub is both comfortable and convenient. Whether you're catching a flight, heading into central London, or visiting nearby regions, this station serves as a vital link in your travel itinerary.

Station Facilities and Essentials

At Heathrow Terminal 4 rail station, ticket purchase and collection are straightforward. The ticket office is open daily from 5:00 AM until 11:40 PM, and there are plenty of accessible ticket machines on-site. Help is available from friendly staff stationed near customer help points throughout the station. Although there's CCTV for security, you'll find some services missing, such as accessible toilets and waiting rooms. However, there's step-free access across the station and to the trains, making travel easier for everyone.

The station offers convenient facilities for passengers who may need to do some shopping, get cash from an ATM, or exchange currency before catching their train. While refreshment facilities aren't available directly at the station, the proximity to the terminals ensures ample food and drink options just a short stroll away. Public Wi-Fi and payphones are also available, perfect for catching up before a flight or work on the go.

Travel Connections

Getting to and from Heathrow Terminal 4 rail station is straightforward with various transport options at your fingertips. The station links with the London Underground Piccadilly Line, providing direct connections to central London. There are regular bus services to local areas, which can be planned conveniently with print-friendly details online. For those preferring a taxi or car hire, services are at the airport terminals, ensuring hassle-free access to your next destination.

Popular Rail Journeys

Heathrow Terminal 4 is not just an airport rail station; it's your gateway to numerous exciting destinations. You can visit London Paddington to admire its majestic architecture or catch a show at Tottenham Court Road. Bond Street is perfect for shoppers, while Canary Wharf offers a glimpse into London’s business district. Other popular routes include London Liverpool Street and Ealing Broadway, providing endless possibilities for exploration.

Whether heading to Stratford (London), Ilford, or venturing further to places like Woolwich and West Ealing, the connectivity from Terminal 4 is impressive.

Conclusion

In essence, Heathrow Terminal 4 (Rail Station Only) provides a vital link for travelers, ensuring swift and easy access between flights and some of the UK’s most vibrant locations. The station is well-connected, offering passenger facilities to make your journey as seamless as possible. So, whether you're flying out, visiting the capital, or exploring nearby, remember that Heathrow Terminal 4 is the travel companion you can count on.

Everything you need to know about Carmarthen Station

Exploring Carmarthen Train Station

Nestled in the charming landscapes of Carmarthenshire, Carmarthen Train Station is a crucial hub for travelers in South West Wales. Whether you're commuting for work, embarking on a leisure trip, or planning a rail journey across the UK, Carmarthen Station offers a convenient and connected experience. This article delves into what the station has to offer, making your travel planning a little smoother and more informed.

Facilities and Amenities at Carmarthen Train Station

The station provides several facilities to ensure a comfortable journey for passengers. The ticket office operates from 06:45 to 18:00 on weekdays and Saturdays, slightly reduced hours on Sundays. You'll find accessible ticket machines that are user-friendly with touchscreen technology, making ticket collection and purchase straightforward. Unfortunately, there are no smartcard issuance facilities here, but the ticket machines support various needs, including an induction loop for hearing-impaired travelers.

If you're in need of support, station staff are available to help both at the ticket office and via a help point. Resources such as real-time departure and arrival screens, as well as announcements, keep you well-informed. For those traveling with accessibility needs, there is step-free access to Platform 1, with a ramp providing access to Platform 2.

Transport Links and Onward Travel

When it comes to getting around, Carmarthen Station is well-connected. The front of the station is your hub for various onward travel methods. There are convenient connections to Traws Cymru bus routes T1 and T1A providing links to places such as Lampeter, Aberaeron, and Aberystwyth, perfectly integrating with your train travel for extended journeys. Consider a Carmarthen PlusBus ticket for unlimited bus travel around the town, a cost-effective choice for those planning to explore locally. For hassle-free transportation, taxis are ready to whisk you away from right at the station entrance.

Popular Routes from Carmarthen

Carmarthen Train Station serves as a gateway to a plethora of exciting destinations. If you're planning to explore, some popular train routes include journeys to cultural hotspots like Cardiff Central, the bustling city of Swansea, or even further afield to London Paddington. For those looking to enjoy the picturesque Welsh landscape, consider heading out to Tenby or Haverfordwest.

Conclusion

Whether you're catching a train for a bustling metropolitan adventure or a serene countryside escape, Carmarthen Train Station stands out as a hub of convenience and efficiency in South West Wales. Its range of facilities and comprehensive transport links mean travelers can embark on their journeys with ease. So, next time you're looking to explore Wales or beyond, Carmarthen Station should definitely be on your itinerary. Be sure to book your tickets today and experience the seamless travel opportunity that awaits!

Looking for more inspiration?

Popular places to travel by train from Heathrow Terminal 4 (Rail Station Only)