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Trains from Carmarthen to
Portsmouth Harbour

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Carmarthen to Portsmouth Harbour by train

A train trip from Carmarthen to Portsmouth Harbour takes about 6hrs 11 mins on average, covering roughly 156 miles (251 kilometres). With around 17 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 £18.00, making it a budget-friendly option for those who plan ahead.

Carmarthen to Portsmouth Harbour Key Stats

Arrival Station

Portsmouth Harbour

Departure Station

Carmarthen

Frequency

17trains
per day

Journey Time

from5hrs 15 mins

Changes

1-2no direct
trains

First Train / Last Train

04:38 / 00:38

Distance

156miles
(251 km)

3 Routes

2 Train Operators

Prices

from£18.00

Travelling from Carmarthen to Portsmouth Harbour by Train

Hop on a Train from Carmarthen to Portsmouth Harbour – It’s Faster Than You Think!

Planning to travel from Carmarthen to Portsmouth Harbour 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 6hrs 11 mins. But if you’re in a hurry (or just really eager to get to Portsmouth Harbour), the fastest trains can whisk you there in just 5hrs 15 mins. With roughly 17 trains running every day, you're spoiled for choice. This scenic 156-mile (251 km) journey usually requires just one change. You’ll be in the good hands of GWR, Transport for Wales, 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 £18.00 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 Portsmouth Harbour!

Journey Details

Frequently asked questions about journeys between Carmarthen and Portsmouth Harbour

Curious about your trip from Carmarthen to Portsmouth Harbour? 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 Carmarthen and Portsmouth Harbour by train?

The travel time between Carmarthen and Portsmouth Harbour by train varies depending on the type of train and the route, but the average journey time is 6hrs 11 mins & the fastest journey takes 5hrs 15 mins.

What's the fastest journey time between Carmarthen and Portsmouth Harbour by train?

The fastest journey time by train from Carmarthen to Portsmouth Harbour is 5hrs 15 mins.

How much does the train from Carmarthen to Portsmouth Harbour cost?

Train ticket prices from Carmarthen to Portsmouth Harbour can start from as little as £18.00 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 Carmarthen and Portsmouth Harbour?

The departure and arrival times for trains between Carmarthen and Portsmouth Harbour vary depending on the day of the week and the type of train. Generally, there are around 17 departures and arrivals throughout the day. The first departure is 04:38, and the last train of the day leaves at 00:38.

What is the difference between first class and standard class on trains between Carmarthen and Portsmouth Harbour?

First class tickets on trains between Carmarthen and Portsmouth Harbour typically offer more space, complimentary food and drink, and other amenities compared to standard class.

What amenities are available on trains between Carmarthen and Portsmouth Harbour?

Amenities on trains between Carmarthen and Portsmouth Harbour can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

What is the cheapest way to travel from Carmarthen to Portsmouth Harbour by train?

By booking your tickets on traintickets.com! There are many ways to save on the cost of train travel between Carmarthen and Portsmouth Harbour. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Portsmouth Harbour, 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 Carmarthen to Portsmouth Harbour?

No, unfortunately there are no direct trains between Carmarthen & Portsmouth Harbour. However, there are 17 possible journeys which require a change.

What train companies run services from Carmarthen to Portsmouth Harbour?

GWR and Transport for Wales are the main train operating companies running services between Carmarthen and Portsmouth Harbour.

Can I bring luggage on board trains between Carmarthen and Portsmouth Harbour?

Yes, you can bring luggage on board trains between Carmarthen and Portsmouth Harbour, but there may be limits on the number of bags or the size and weight of your luggage.

When are Carmarthen to Portsmouth Harbour Train Times?

Check out the upcoming trains from Carmarthen to Portsmouth Harbour on Tuesday 1st July 2025, with our handy timetable below.

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

Tuesday 1st July
DepartsArrivesChangesVia StationsDurationOperator
12:34 Carmarthen17:53 Portsmouth Harbour2 changesSwansea
Cardiff Central
5 hrs 19 mins Get Tickets
12:58 Carmarthen18:52 Portsmouth Harbour1 changeCardiff Central
5 hrs 54 mins Get Tickets
14:32 Carmarthen19:52 Portsmouth Harbour2 changesSwansea
Cardiff Central
5 hrs 20 mins Get Tickets
14:57 Carmarthen20:52 Portsmouth Harbour1 changeCardiff Central
5 hrs 55 mins Get Tickets
16:19 Carmarthen21:51 Portsmouth Harbour1 changeCardiff Central
5 hrs 32 mins Get Tickets
16:56 Carmarthen22:56 Portsmouth Harbour1 changeCardiff Central
6 hrs Get Tickets
18:18 Carmarthen23:53 Portsmouth Harbour1 changeCardiff Central
5 hrs 35 mins Get Tickets
20:32 Carmarthen07:36 Portsmouth Harbour2 changesCardiff Central
Bristol Temple Meads
11 hrs 4 mins Get Tickets
22:42 Carmarthen09:53 Portsmouth Harbour1 changeCardiff Central
11 hrs 11 mins Get Tickets
Search all times & prices for today

What are my cheap ticket options for Carmarthen to Portsmouth Harbour 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 Carmarthen to Portsmouth Harbour start from as little as £18.00

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 Carmarthen to Portsmouth Harbour start from £138.70 one way, or £139.70 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 Carmarthen to Portsmouth Harbour are available for £90.80 one way, or £120.90 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 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!

Everything you need to know about Portsmouth Harbour Station

Welcome to Portsmouth Harbour Train Station

Portsmouth Harbour Station is a vibrant transportation hub located in the heart of Portsmouth, England. Known for its stunning views of the harbor, it provides seamless connections to both local and national destinations. It caters to a diverse range of travelers, whether you're commuting for work, embarking on a leisurely day trip, or exploring different parts of the UK by train.

Facilities and Accessibility

Portsmouth Harbour Station is designed to offer convenience and accessibility to all its passengers. Open from 05:50 to 19:00 on weekdays, slightly adjusted on weekends, the ticket office ensures travelers can purchase and collect tickets with ease. Modern ticket machines support Disabled Persons Railcard discounts, offering additional assistance for passengers with disabilities.

The station embraces inclusivity with features like step-free access parts, although certain areas require a ramp or the use of a footbridge. Important amenities such as accessible toilets and induction loops are present to support passengers' needs further. While there is no formal waiting room, ample seating areas are provided for comfort while you await your train.

Travel Connections

Portsmouth Harbour Station is a gateway to various transportation options, making it easy to continue your journey past the train station. From two convenient "Beryl Bikes" hire points for cycling enthusiasts to accessible bus connections to Southsea Hoverport, including the Hoverbus (H1) departing from Stand C, the station efficiently blends with Portsmouth's local transport network. Even in instances of rail disruptions, rail replacement services operate out of nearby Hard Interchange Stands, ensuring smooth travel.

Popular Destinations

Thinking of exploring more of what the UK has to offer? Popular travel routes from Portsmouth Harbour include vibrant cities like London Waterloo for culture and commerce, and London Victoria for its iconic attractions. Meanwhile, history enthusiasts might prefer a short trip to Southampton Central or Chichester. Whether you're heading to the bustling town of Fratton or off for a scenic excursion to Brighton, there's a journey to suit every taste.

Make Your Journey Stress-Free

To make your travel experience even more enjoyable, Portsmouth Harbour Station provides convenience with additional amenities. There are refreshment facilities available, perfect for grabbing a quick bite or coffee, alongside an ATM for any last-minute cash needs. Public Wi-Fi is available, allowing you to stay connected while on the go. Cyclists will appreciate the secure bicycle storage and availability of hire options.

Portsmouth Harbour Station isn’t just a point of departure and arrival; it’s the beginning of an adventure. Whether you’re heading to local hidden gems or iconic UK landmarks, the station provides a portal to countless travel opportunities. Don’t miss the chance to experience all the amenities and connections it offers—so go on, plan your next journey, and discover what's beyond the harbour.

Looking for more inspiration?

Popular places to travel by train from Carmarthen