Carmarthen to Southampton train with Great Western Railway

Tue 13 Oct
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Great Western Railway
Avanti West Coast
Regionale
West Midlands Trains
CrossCountry
2,000+ travel companies
Great Western Railway
Avanti West Coast
Regionale
West Midlands Trains
CrossCountry
2,000+ travel companies
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The cheapest and fastest trains from Carmarthen to Southampton

Showing times, prices and bookable tickets for 13 Oct

Cheapest price on 13 Oct

£87

Average ticket price on 13 Oct

£87

Fastest journey on 13 Oct

4 h 43 m

Average journey duration on 13 Oct

4 h 43 m

Trains on 13 Oct

1

Distance

227 km

Cheap tickets

The best way to find a cheap train ticket from Carmarthen to Southampton is to book your journey as far in advance as possible and to avoid travelling at rush hour.

The average ticket from Carmarthen to Southampton will cost around £87 if you buy it on the day, but you can find cheap train tickets today for only £87.

Fast trains

On Tue 13 Oct, we found 1 trains from Carmarthen to Southampton, including 1 direct services.

These direct trains cover the 227 km distance in an average of 4 h 43 m but if you time it right, some trains will get you there in just 4 h 43 m .

The slowest trains will take 4 h 43 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.

  • Great Western Railway
    9:214h43
    Carmarthen
    14:04Southampton
    £871One-way
    0 changes

Journey information

Overview: Train from Carmarthen to Southampton

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Carmarthen to Southampton run on average 6 times per day, taking around 4h 18m. Cheap train tickets for this journey start at £79 but you can travel from only £44 by coach.

The earliest train runs at 04:00, the last at 20:11. The fastest train covers the 227 km distance in 4h 6m.

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 £44
Distance
227 km
Average train duration
4h 18m
Cheapest ticket price
£79
Trains per day
6
Fastest train
4h 6m
First train
4:00
Last train
20:11
Cheapest Month
May
Cheapest Day
Fri
High Season
Jul - Sept
Low Season
Oct - Dec
Busiest Day
Mon
Least Busy Day
Mon
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 £44

Live departures

Carmarthen to Southampton train times

The table below shows live departures for Carmarthen to Southampton trains for today, Monday 12 October. You can also manually refresh the results below to see updated train journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
Great Western Railway (GWR)18:20 Carmarthen
4h46
23:06 Southampton2 changes
Great Western Railway (GWR)18:20 Carmarthen
4h46
23:06 Southampton1 change
Great Western Railway (GWR)20:20 Carmarthen
12h42
9:02 Southampton1 change
Tuesday 13 October
Great Western Railway9:21 Carmarthen
4h43
14:04 Southampton0 changesdirect

This is the last train of the day.

Find all the dates and times for this journey

Why should you book Carmarthen to Southampton trains with Omio?

Great Western Railway operates all 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?

  • 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.

Train companies: Great Western Railway from Carmarthen to Southampton trainsGreat Western Railway trains will get you between Carmarthen and Southampton from £44. 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 6m
Cheapest Great Western Railway Price
£79
Great Western Railway frequency
6 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

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

SeaCity Museum

Maritime museum telling the story of the Titanic, the docks and ocean travel. One of Southampton’s key visitor attractions.

  • Recommended

Tudor House and Garden

Historic house museum with period rooms and displays on local history. A rewarding visit in the heart of the old town.

  • Recommended

Southampton City Art Gallery

Gallery in the Civic Centre showing art from several periods, including modern British works. Good for a cultural stop in the city centre.

Pound sterling (£)

Moderate for UK city breaks. Hotels and dining cost less than London, while buses and casual meals are fairly manageable for most tourists.

Average meal costs

Budget
£8-12 for fast food or a basic meal.
Mid-range
£18-30 per person for a restaurant meal.
Fine dining
£60+ per person for upscale dining.
Coffee
£3-4 for a cappuccino.

Tipping culture

Restaurants may add a 10-12.5% service charge; if not, tip around 10% for good service. Taxi fares are often rounded up. Tipping in cafés is optional.

FAQs: Carmarthen to Southampton train

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.

FAQs
The cost of a train ticket from Carmarthen to Southampton can vary. The cheapest tickets are usually available from £79, while the average price tends to be around £106.
The train journey from Carmarthen to Southampton covers a distance of 227 km and takes approximately 4h 6m. Trains run 6 per day.
The train distance from Carmarthen to Southampton is 227 km.
The first train from Carmarthen to Southampton leaves at 4:00.
The last train from Carmarthen to Southampton departs at 20:11.
Trains from Carmarthen to Southampton run approximately 6 times per day.
Currently, there is no high-speed train service from Carmarthen to Southampton.
Unfortunately, there is no direct train service currently available from Carmarthen to Southampton.
There is no night train service from Carmarthen to Southampton.
The train station in Carmarthen that goes to Southampton is Carmarthen station (CMN), and it arrives at Southampton Central (SOU).
Booking trains from Carmarthen to Southampton in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Carmarthen to Southampton offers picturesque views of the Welsh countryside, charming villages, and coastal scenery, providing a pleasant and scenic experience for passengers.
Yes, you can take the train from Carmarthen to Southampton.

popular train stations

Important Stations and Airports in Carmarthen and Southampton

Most Carmarthen to Southampton trains use the Carmarthen to Southampton Central station pair. 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 3450507080ShoppingParkingDiningAccessibilityWCHotelLoungeLost and Found OfficeTicket OfficeBike ParkingBike Rental
City-centre transport

Getting to Carmarthen from Carmarthen city centre

BusT1x, T1, T1a · 3m · £0.89 · 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.

More options for your journey from Carmarthen to Southampton

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