- Must visit
SeaCity Museum
Southampton's flagship museum tells the city's story from Roman origins to Titanic and aviation, with strong local collections and family displays.
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Travel Information
Compare train and bus for Carmarthen to Southampton
Omio recommends booking the train as it is the most popular option from Carmarthen to Southampton among Omio's users. If you are prioritising price take the bus with prices starting from €40. For those with little time consider booking a train which can get you there in 4h 34m. The ticket price range depends on the travel mode: a bus costs an average of €40, and a train costs an average of €80.
Distance: 141 miles (227 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
€89 Average price | €41 Average price Cheapest | €52 Average price (fuel + tolls) |
5h 4m Average total duration Fastest 4h 34m Onboard + 30m Additional time* | 8h 55m Average total duration 8h 25m Onboard + 30m Additional time* | 3h 43m Average total duration (door-to-door) |
 Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
The cheapest way to travel from Carmarthen to Southampton is a bus with an average price of €41.
This is compared to other travel options from Carmarthen to Southampton:
A bus is €48 less than a train for this route with tickets for a train from Carmarthen to Southampton costing on average €89.
The fastest way to travel from Carmarthen to Southampton is by train with an average journey time of 4h 34m.
Other travel options to Southampton take longer:
Bus takes on average 8h 25m.
It's helpful to compare your options as there are 2 ways to travel between Carmarthen and Southampton including taking a train and bus.
We recommend using the train as it is the most popular way to get from Carmarthen to Southampton among Omio's users.
Take the train. It's the cheaper option, and the extra time on board is usually more relaxing than driving it.
Tickets start at around €89 compared to roughly €52 in fuel and tolls — a saving of about €-36.28. The journey takes 4h 34m versus 3h 43m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
Compare prices and tickets Carmarthen to Southampton by train or bus
Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Why should you book Carmarthen to Southampton trains with Omio?
Great Western Railway as well as Great Western Railway (GWR) or Transport for Wales offer trains services from Carmarthen to Southampton.
Omio is an official ticket reseller for all your travel options from Carmarthen to Southampton.
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 Great Western Railway (GWR) or Transport for Wales to find the best option for your trip from Carmarthen to Southampton.
- 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.
- Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are train and bus to ensure you get the best deal for traveling from Carmarthen to Southampton.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Carmarthen to Southampton.
Journey information
Overview: Train from Carmarthen to Southampton
United KingdomUnited Kingdom
Trains from Carmarthen to Southampton run on average 7 times per day, taking around 4h 34m. Cheap train tickets for this journey start at €80 but you can travel from only €40 by bus.
The earliest train runs at 04:00, the last at 20:11. The fastest train covers the 141 miles (227 km) distance in 4h 22m.
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
Bus from €40
Distance 141 miles (227 km) |
Average train duration 4h 34m |
Cheapest ticket price €80 |
Trains per day 7 |
Fastest train 4h 22m |
First train 4:00 AM |
Last train 8:11 PM |
Cheapest Month Apr |
Cheapest Day Thu |
High Season Apr - Jun |
Low Season Oct - Dec |
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
Bus from €40
Train companies: Great Western Railway, Great Western Railway (GWR), Transport for Wales from Carmarthen to Southampton trainsGreat Western Railway, Great Western Railway (GWR), Transport for Wales trains will get you between Carmarthen and Southampton from €40. 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 Duration
4h 22m
Cheapest Price
€80
Great Western Railway frequency
7 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
Great Western Railway (GWR)
Luggage & cancellation policy
Average Duration
4h 32m
Cheapest Price
€163
Great Western Railway (GWR) frequency
6 a day
Transport for Wales
Luggage & cancellation policy
Average Duration
4h 24m
Cheapest Price
€129
Transport for Wales frequency
10 a day
Complete guide to Southampton
Things to do in Southampton
Discover the best of Southampton — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Southampton trip today.
- Must visit
Tudor House and Garden
Restored Tudor home and remains of a Norman house reveal centuries of domestic and maritime history in Southampton's atmospheric Old Town.
- Recommended
Southampton City Art Gallery
Art gallery with a respected collection spanning old masters to contemporary works, plus changing exhibitions in the Cultural Quarter.
- Must visit
Old Town
Historic quarter enclosed by medieval walls, packed with lanes, pubs, museums, and merchant houses that showcase Southampton's oldest character.
- Must visit
Southampton Common
Large central park popular for walks, events, and city views, linking major cultural venues with green space in the heart of Southampton.
- Recommended
East Park
Leafy Victorian park with formal gardens, memorials, and broad lawns. It is ideal for a break between museums and shopping streets.
- Gluten-free
Solent Oysters
A fresh oyster from nearby Hampshire waters, long linked to the Solent coast and traditionally eaten raw with lemon.
Fish And Chips
White fish coated in beer batter and fried, then served with chips. A classic British seaside meal popular in Southampton pubs and takeaways.
Hampshire Sausages
Hampshire pork sausages, often made with local meat and served with mash. A hearty pub staple across Southampton and the wider county.
Dancing Man Brewery
Well-regarded craft brewery and taproom pouring local beers in a casual industrial space with a strong local following.
The Jetty
Refined modern British dining in a smart, intimate setting. Best known for seasonal tasting menus and polished service.
The Duke Of Wellington
Historic pub in the old town serving cask ales and classic British dishes in a traditional, atmospheric setting.
British pound sterling (£)
Moderate for the UK. Hotels often cost less than London, while dining and local transport are typical for a mid-sized English city.
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
- £2.80-4.20 for a cappuccino.
Tipping culture
Tipping is modest. In restaurants, 10-12.5% is common if service is not included. Round up for taxis. Cafes usually do not require tips, but small change is appreciated.
Bluestar
Get the appOfficial public transport app
Prices
- Single ticket
- £2.00
- Day pass
- £4.50
To the city center
Southampton Central -> Above Bar Street, Southampton
- Distance
- 1 km
- Travel time
- 15 min
- Contactless card payment is accepted on Bluestar buses, including tap on and tap off for adult fares.
- Southampton has no tram or metro system; local public transport is mainly buses and trains.
FAQs: Trains from Carmarthen to Southampton
Find answers to the most common questions about traveling from Carmarthen to Southampton 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 Southampton, this guide helps you travel smarter and with confidence.
Train ticket prices from Carmarthen to Southampton can vary. The cheapest ticket starts at €80, while the average price is around €89.
The train from Carmarthen to Southampton takes 4h 22m and runs 7 per day.
The distance by train from Carmarthen to Southampton is 141 miles (227 km).
The first train from Carmarthen to Southampton leaves at 4:00 AM.
The last train from Carmarthen to Southampton leaves at 8:11 PM.
There is no high speed train available from Carmarthen to Southampton.
There is no direct train service currently available from Carmarthen to Southampton.
Unfortunately, there is no night train available from Carmarthen to Southampton.
The train station in Carmarthen that goes to Southampton is Carmarthen station (CMN), which connects to Southampton Central (SOU).
The cheapest way to get from Carmarthen to Southampton is by bus, with a cost of around €40.
Yes, the train journey from Carmarthen to Southampton is scenic, offering views of the Welsh countryside, the coastline near Swansea, and the rolling landscapes of southern England.
A day trip from Carmarthen to Southampton is not feasible as the journey takes 4h 22m. The distance is 141 miles (227 km), and there are 6 trains available per day.
In Southampton, you can explore the New Forest National Park for hiking and wildlife spotting, take the Hythe Ferry for a scenic trip, or shop at Westquay Shopping Centre. Enjoy the vibrant Ocean Village Marina with its dining and leisure options, or relax in Southampton Common. For cultural experiences, visit the Tudor House and Garden, SeaCity Museum, Southampton City Art Gallery, Solent Sky Museum, and catch a performance at the Mayflower Theatre.
To fully explore Southampton, including its maritime attractions, cultural sites, and local experiences, plan for a stay of 2 to 3 days.
Yes, you can take the train from Carmarthen to Southampton.
Since neither Carmarthen nor Southampton are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
Popular day trips by train from Southampton include London, Bournemouth, Winchester, Portsmouth, Salisbury.
We recommend using the train as it is the most popular way to get from Carmarthen to Southampton among Omio's users.
Items not allowed on trains typically include hazardous materials such as explosives, flammable liquids, corrosive substances, and illegal drugs. Additionally, large or bulky items that may obstruct aisles or emergency exits, as well as pets without proper carriers, may be restricted. Specific prohibited items can vary by train operator and region, so please check the rules for your particular journey.
Yes, rail passes such as the BritRail Pass are valid on most trains within the United Kingdom, offering unlimited travel on participating train operators for a set period.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Southampton, travelers should be cautious of pickpocketing, especially in busy areas like the city center and near the port. Common scams include overcharging by taxi drivers and unofficial tour operators offering poor services at inflated prices. It's advisable to use licensed taxis and official ticket vendors for transportation. Staying vigilant in crowded places and securing personal belongings can help ensure a safe visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular train stations
Popular train stations from Carmarthen to Southampton
Most Carmarthen to Southampton trains use the Carmarthen to Southampton Central station pair, with some services arriving at Southampton Airport Parkway. Use this guide to compare Carmarthen and Southampton 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 Southampton
Which Carmarthen station do trains to Southampton leave from?
Trains from Carmarthen to Southampton 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 Southampton station do trains from Carmarthen arrive at?
Trains from Carmarthen to Southampton most often arrive at Southampton Central. Some services arrive at Southampton Airport Parkway, so check your ticket before travel to confirm your Southampton arrival station.
Southampton CentralSouthampton Central station, Blechynden Terrace, Southampton, Hampshire, SO15 1AL+44 345 600 0650
City-centre transport
Getting to Southampton Central from Southampton city centre
BusX4, X5 · 5m · €2 · every ~20 min
Southampton Central train station facilities and services
Southampton Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food and drink
Food and drink options are available at Southampton Central.
Wi-Fi and ATMs
Wi-Fi is available at Southampton Central. ATMs are available at Southampton Central.
Tickets and information
Ticket office support is available at Southampton Central.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Southampton Central: Parking, Taxis, WC.
Bike and car services
Available at Southampton Central: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Southampton Central: 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 this station has no 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: Yes.
Southampton Airport ParkwaySouthampton Airport Parkway station, Wide Lane, Southampton, Hampshire, SO18 2HW+44 345 600 0650
City-centre transport
Getting to Southampton Airport Parkway from Southampton city centre
Southampton Airport Parkway is 5 km from Southampton city centre. Public transport options include:
TrainSalisbury - Romsey, Weymouth - London Waterloo, Bournemouth - Winchester, Poole - London Waterloo, Southampton Central - London Waterloo, Weymouth - Woking, Bournemouth - Basingstoke, Poole - Winchester, Southampton Central - Basingstoke, Bournemouth - London Waterloo, Poole - Eastleigh, Weymouth - Eastleigh, Romsey - Romsey, Southampton Central - Woking, Salisbury - Salisbury, Salisbury - Eastleigh, Southampton Central - Eastleigh, Southampton Central - Romsey · 10m · €3 · every ~8 min
BusU1a, U1e · 34m · €2 · every ~21 min
U1a, U1e · 40m · €2 · every ~37 min
Southampton Airport Parkway train station facilities and services
Southampton Airport Parkway has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Lounge, Lost and Found Office, Ticket Office, Bike Parking, and Car Rental.
Food and drink
Food and drink options are available at Southampton Airport Parkway.
Wi-Fi and ATMs
Wi-Fi is available at Southampton Airport Parkway. ATMs are available at Southampton Airport Parkway.
Tickets and information
Ticket office support is available at Southampton Airport Parkway.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Southampton Airport Parkway: Parking, Taxis, WC.
Bike and car services
Available at Southampton Airport Parkway: Bike Parking, Car Rental.
Accessibility
Accessibility facilities are available at Southampton Airport Parkway: 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.
Most popular train connections from Carmarthen
More options for your journey from Carmarthen to Southampton
Here are some other resources that might have the information you need
Most popular trains to and from Southampton and Carmarthen
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