- Must visit
HMS Victory
A major naval museum where visitors can board Nelson’s flagship and explore life at sea through preserved decks and displays.
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The cheapest and fastest trains from Carmarthen to Portsmouth
Showing times, prices and bookable tickets for 02 Nov
- Cheapest price on 02 Nov
- £127
- Average ticket price on 02 Nov
- £145
- Fastest journey on 02 Nov
- 5 h 9 m
- Average journey duration on 02 Nov
- 5 h 14 m
- Trains on 02 Nov
- 28
- Distance
- 252 km
Cheap tickets
The best way to find a cheap train ticket from Carmarthen to Portsmouth is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Carmarthen to Portsmouth will cost around £145 if you buy it on the day, but you can find cheap train tickets today for only £127.
Fast trains
To travel from Carmarthen to Portsmouth you need to make at least 2 changes.
12:57 5h50 Carmarthen 18:47 Portsmouth £127 1 One-way 1 change14:57 5h50 Carmarthen 20:47 Portsmouth £127 1 One-way 1 change16:56 5h56 Carmarthen 22:52 Portsmouth £127 1 One-way 1 change6:01 5h46 Carmarthen 11:47 Portsmouth £130 1 One-way 1 change7:59 5h48 Carmarthen 13:47 Portsmouth £130 1 One-way 1 change
4:38 5h09 Carmarthen 9:47 Portsmouth £144 1 One-way 2 changes14:32 5h15 Carmarthen 19:47 Portsmouth £144 1 One-way 2 changes16:32 5h15 Carmarthen 21:47 Portsmouth £144 1 One-way 2 changes5:32 5h16 Carmarthen 10:48 Portsmouth £144 1 One-way 2 changes12:30 5h17 Carmarthen 17:47 Portsmouth £144 1 One-way 2 changes
Journey information
Overview: Train from Carmarthen to Portsmouth
United KingdomUnited Kingdom
Trains from Carmarthen to Portsmouth run on average 6 times per day, taking around 5h 4m. Cheap train tickets for this journey start at £90 but you can travel from only £32 by coach.
The earliest train runs at 04:04, the last at 20:28. The fastest train covers the 252 km distance in 4h 50m.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Coach from £32
Distance 252 km |
Average train duration 5h 4m |
Cheapest ticket price £90 |
Trains per day 6 |
Fastest train 4h 50m |
First train 4:04 |
Last train 20:28 |
Cheapest Month May |
Cheapest Day Thu |
High Season Jul - Sept |
Low Season Apr - Jun |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Coach from £32
Frequently asked questions about your Carmarthen to Portsmouth trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Carmarthen to Portsmouth.
The cost of a train ticket from Carmarthen to Portsmouth can vary. The cheapest tickets are usually available from £90, while the average price tends to be around £104.
The train journey from Carmarthen to Portsmouth covers a distance of 252 km and takes approximately 4h 50m. Trains run 6 per day.
The train distance from Carmarthen to Portsmouth is 252 km.
The first train from Carmarthen to Portsmouth leaves at 4:04.
The last train from Carmarthen to Portsmouth departs at 20:28.
Trains from Carmarthen to Portsmouth run approximately 6 times per day.
Unfortunately, there is no direct train service currently available from Carmarthen to Portsmouth.
Live departures
Carmarthen to Portsmouth train times
The table below shows live departures for Carmarthen to Portsmouth trains for today, Sunday 1 November. You can also manually refresh the results below to see updated train journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
| 9:34 Carmarthen | 5h11 | 14:45 Portsmouth | 2 changes | |
| 10:34 Carmarthen | 5h12 | 15:46 Portsmouth | 2 changes | |
.png) | 11:25 Carmarthen | 5h21 | 16:46 Portsmouth | 2 changes | |
| 11:25 Carmarthen | 5h21 | 16:46 Portsmouth | 1 change | |
| 12:32 Carmarthen | 5h14 | 17:46 Portsmouth | 2 changes | |
| 13:34 Carmarthen | 5h13 | 18:47 Portsmouth | 1 change | |
| 14:15 Carmarthen | 5h31 | 19:46 Portsmouth | 1 change | |
| 14:27 Carmarthen | 5h19 | 19:46 Portsmouth | 2 changes | |
| 14:27 Carmarthen | 6h17 | 20:44 Portsmouth | 1 change | |
| 15:08 Carmarthen | 5h36 | 20:44 Portsmouth | 2 changes | |
| 16:30 Carmarthen | 5h14 | 21:44 Portsmouth | 2 changes | |
| 16:30 Carmarthen | 5h14 | 21:44 Portsmouth | 1 change | |
| 16:40 Carmarthen | 6h04 | 22:44 Portsmouth | 2 changes | |
| 16:40 Carmarthen | 6h04 | 22:44 Portsmouth | 1 change | |
| 17:42 Carmarthen | 6h10 | 23:52 Portsmouth | 2 changes | |
| 21:15 Carmarthen | 12h32 | 9:47 Portsmouth | 1 change | |
| Monday 2 November | |||||
| 4:38 Carmarthen | 5h09 | 9:47 Portsmouth | 2 changes | |
| 5:32 Carmarthen | 5h16 | 10:48 Portsmouth | 2 changes | |
| 6:01 Carmarthen | 5h46 | 11:47 Portsmouth | 1 change | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Why should you book Carmarthen to Portsmouth trains with Omio?
Great Western Railway as well as Transport for Wales offer trains services from Carmarthen to Portsmouth.
Omio is an official ticket reseller for all your travel options from Carmarthen to Portsmouth.
Why book with Omio vs Great Western Railway?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Railway, but also compare tickets for the likes of Transport for Wales to find the best option for your trip from Carmarthen to Portsmouth.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Transport for Wales to find the best option for your trip from Carmarthen to Portsmouth.
Train companies: Great Western Railway, Transport for Wales from Carmarthen to Portsmouth trainsGreat Western Railway, Transport for Wales trains will get you between Carmarthen and Portsmouth from £32. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Great Western Railway Duration
4h 58m
Cheapest Great Western Railway Price
£91
Great Western Railway frequency
5 a day
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone
Transport for Wales
About
Transport for Wales is a public transport provider in Wales, UK. It operates a comprehensive network of trains, buses and ferries across the country. The trains are modern and comfortable, with a range of different types including InterCity Express Trains, Regional Trains, and Metro Trains. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. There are a variety of ticket types available, including single and return tickets, season tickets, and group tickets. The most popular routes include Cardiff to Swansea, Cardiff to Newport, and Cardiff to Manchester.
Luggage & cancellation policy
Average Transport for Wales Duration
4h 50m
Cheapest Transport for Wales Price
£90
Transport for Wales frequency
1 a day
Luggage included
2 large items of luggage and 1 small hand luggage included
Luggage storage
Overhead racks, luggage areas at end of carriages, under seats
Cancellation Policy
Refund policy depends on ticket type
Refund
Full refund if service canceled
Amenities on board the train
Wifi
Food sold onboard
Trolley service on most routes with snacks and drinks. Some stations have cafes
Seat reservation
Seat reservations recommended but not mandatory. Free of charge when booking tickets
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets in carriers travel free. Dogs allowed with ticket (£5 per day). Guide dogs free
Quiet zone
Companies, tickets, and onboard amenities between Carmarthen and Portsmouth
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
Currently, there is no high-speed train service from Carmarthen to Portsmouth.
There is no night train service from Carmarthen to Portsmouth.
Complete guide to Portsmouth
Things to do in Portsmouth
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
- Recommended
HMS Alliance
This working museum ship reveals cramped Victorian submarine life and the engineering behind one of Britain’s earliest submarines.
- Recommended
Portsmouth Museum and Art Gallery
Portsmouth’s city museum covers local history, football heritage and art, with exhibits spanning the city’s people and places.
- Must visit
Old Portsmouth
A historic waterfront district with cobbled lanes, pubs, sea walls and several key heritage sites within easy walking distance.
- Must visit
Southsea Seafront
A long pebble beach promenade with piers, gardens and open sea views, well suited to relaxed walks along the Southsea seafront.
- Recommended
Southsea Common
A broad common by the Solent, popular for walks, picnics and views of passing ships, the Isle of Wight and seafront landmarks.
- Vegetarian
Hampshire hog cake
A rich fruit cake packed with dried fruit, spice and treacle, long associated with Hampshire baking and often enjoyed at Christmas and local celebrations.
- Gluten-free
South Coast crab
Fresh crab landed on the South Coast, usually served simply in sandwiches, salads or dressed shells, prized for sweet meat and Portsmouth’s seaside setting.
- Gluten-free
Fisherman’s pie
A classic Portsmouth and Hampshire pub dish of smoked haddock, potato and onion in a creamy sauce, baked until golden and comforting in coastal weather.
The Fisherman's Kitchen
Popular Southsea spot for classic fish and chips and fresh seafood, with a casual atmosphere close to the seafront.
The Briny
Smart waterfront restaurant in Old Portsmouth serving modern British dishes with strong seafood options in an elegant, relaxed setting.
Still and West
Historic pub in Old Portsmouth known for traditional British cooking, cask ales and harbour views in a characterful setting.
Pound sterling (£)
Moderate for the UK. Hotels can be pricey in summer, but dining and local buses remain manageable for most city-break budgets.
Average meal costs
- Budget
- £8-15 for fast food or a simple meal.
- Mid-range
- £18-35 per person for a restaurant meal.
- Fine dining
- £60+ per person for upscale dining.
- Coffee
- £3-4.50 for a cappuccino.
Tipping culture
Restaurants: 10-12.5% if not already added. Taxis: round up or 10%. Cafés and pubs: tipping is optional, though small change is appreciated for table service.
Book a Journey
Get the appOfficial public transport app
Prices
- Single ticket
- £3.00
- Day pass
- £5.00
To the city centre
Portsmouth Harbour -> Guildhall Square, Portsmouth
- Distance
- 1.6 km
- Travel time
- 20 min
- Contactless payment is available on Stagecoach buses in Portsmouth. Buy before boarding only if your chosen operator or ticket type requires it.
- Guildhall Square and the Commercial Road bus hub are central for onward travel. Portsmouth Harbour is about 1 mile from the city centre, so walking is practical in good weather.
Plan your visit to Portsmouth
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in Portsmouth.
The train journey from Carmarthen to Portsmouth offers a scenic experience as it traverses through picturesque Welsh landscapes, rolling hills, and coastal views, particularly around the South Wales coast and the countryside of southern England.
FAQs: Carmarthen to Portsmouth train
Find answers to the most common questions about traveling from Carmarthen to Portsmouth by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.
Booking trains from Carmarthen to Portsmouth in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
Yes, you can take the train from Carmarthen to Portsmouth.
popular train stations
Important Stations and Airports in Carmarthen and Portsmouth
Most Carmarthen to Portsmouth trains use the Carmarthen to Portsmouth & Southsea station pair. Use this guide to compare Carmarthen and Portsmouth train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Departure train stations in Carmarthen
Arrival train stations in Portsmouth
Which Carmarthen station do trains to Portsmouth leave from?
Trains from Carmarthen to Portsmouth leave from Carmarthen. The station is from Carmarthen city centre at Carmarthen station, Station Road, Carmarthen, Carmarthenshire, SA31 2BE.
CarmarthenCarmarthen station, Station Road, Carmarthen, Carmarthenshire, SA31 2BE+44 3450507080
City-centre transport
Getting to Carmarthen from Carmarthen city centre
BusT1x, T1, T1a · 3m · £1 · every ~4 min
Carmarthen train station facilities and services
Carmarthen has practical services for this route, including Shopping, Parking, Dining, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking and Bike Rental.
Food and drink
Food and drink options are available at Carmarthen.
Tickets and information
Ticket office support is available at Carmarthen.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Carmarthen: Parking, WC.
Bike and car services
Available at Carmarthen: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Carmarthen: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category B1. Step free access is available to Platform 1. Platform 2 can be accessed via the ramp at the end of Platform 1 and across a foot crossing, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible ticket machines: There are accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Which Portsmouth station do trains from Carmarthen arrive at?
Trains from Carmarthen to Portsmouth arrive at Portsmouth & Southsea. Portsmouth & Southsea is from Portsmouth city centre.
Portsmouth & SouthseaPortsmouth & Southsea station, Commercial Road, Portsmouth, Hampshire, PO1 1EQ
City-centre transport
Getting to Portsmouth & Southsea from Portsmouth city centre
Location for Rail Replacement ServicesStation Street bus stop at side of Railway Station near Matalan car park.
Portsmouth & Southsea train station facilities and services
Portsmouth & Southsea has practical services for this route, including Wifi, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking and Bike Rental.
Food and drink
Food and drink options are available at Portsmouth & Southsea.
Wi-Fi and ATMs
Wi-Fi is available at Portsmouth & Southsea. ATMs are available at Portsmouth & Southsea.
Tickets and information
Ticket office support is available at Portsmouth & Southsea.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Portsmouth & Southsea: Parking, WC.
Bike and car services
Available at Portsmouth & Southsea: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Portsmouth & Southsea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category A Station - This station has step-free access to all platforms. Please be aware that some platforms at this station have no or only partial tactile paving on the platform edge, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Train stations for Carmarthen to Portsmouth
Check train stations information for Carmarthen and Portsmouth, including where trains depart and arrive on this route.
The train station in Carmarthen that goes to Portsmouth is Carmarthen, and it arrives at Portsmouth & Southsea.
Most popular train connections from Carmarthen
More options for your journey from Carmarthen to Portsmouth
Here are some other resources that might have the information you need
Most popular trains to and from Portsmouth and Carmarthen
Most popular train connections to Portsmouth
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