- Must visit
National Waterfront Museum
Major waterfront museum covering Wales's industrial and maritime story with interactive galleries in a landmark copper-smelting area.
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The cheapest and fastest trains from Carmarthen to Swansea
Showing times, prices and bookable tickets for Sep 17
Cheapest price on Sep 17
$12
Average ticket price on Sep 17
$15
Fastest journey on Sep 17
46 m
Average journey duration on Sep 17
48 m
Trains on Sep 17
6
Distance
36 km
Cheap tickets
The best way to find a cheap train ticket from Carmarthen to Swansea is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Carmarthen to Swansea will cost around $15 if you buy it on the day, but the cheapest tickets can be found for only $12.
Fast trains
On Thu, Sep 17, we found 6 trains from Carmarthen to Swansea, including 6 direct services.
On Thu, Sep 17 the direct trains cover the 36 km distance in an average of 48 m but if you time it right, some trains will get you there in just 46 m .
On Thu, Sep 17 the slowest trains will take 51 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.
G391818:30 AM0h47Carmarthen station (CMN)9:17 AMSwansea station (SWA)$121One-way0 transfers- G389539:58 AM0h51Carmarthen station (CMN)10:49 AMSwansea station (SWA)$131One-way0 transfers
- G3895511:59 AM0h51Carmarthen station (CMN)12:50 PMSwansea station (SWA)$131One-way0 transfers
- G3919510:24 AM0h49Carmarthen station (CMN)11:13 AMSwansea station (SWA)$131One-way0 transfers
G150459:21 AM0h46Carmarthen station (CMN)10:07 AMSwansea station (SWA)$191One-way0 transfers
- G150459:21 AM0h46Carmarthen station (CMN)10:07 AMSwansea station (SWA)$191One-way0 transfers
- W3543411:27 AM0h46Carmarthen station (CMN)12:13 PMSwansea station (SWA)$191One-way0 transfers
- G391818:30 AM0h47Carmarthen station (CMN)9:17 AMSwansea station (SWA)$121One-way0 transfers
- G3919510:24 AM0h49Carmarthen station (CMN)11:13 AMSwansea station (SWA)$131One-way0 transfers
- G389539:58 AM0h51Carmarthen station (CMN)10:49 AMSwansea station (SWA)$131One-way0 transfers
Travel Information
Compare train and bus for Carmarthen to Swansea
Omio recommends booking the train as it is the most popular option from Carmarthen to Swansea among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $12 For those with little time, consider booking a train, which has an average total journey time of 1h 18m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.0 - 0.0kg. Average ticket prices depend on the travel mode: a bus costs an average of $12, while a train costs an average of $14.
Distance: 22 miles (36 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$14 Average price | $12 Average price Cheapest | $10 Average price (fuel + tolls) |
1h 18m Average total duration Fastest 48m Onboard + 30m Additional time* | 1h 21m Average total duration 51m Onboard + 30m Additional time* | 46m Average total duration (door-to-door) |
0.0 - 0.0kg CO2 emissions Lowest | 0.0 - 0.1kg CO2 emissions | - CO2 emissions |
Most popular train company |  Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
The cheapest way to travel from Carmarthen to Swansea is a bus with an average price of $12 (€10).
This is compared to other travel options from Carmarthen to Swansea:
A bus is $2 (€2) less than a train for this route with tickets for a train from Carmarthen to Swansea costing on average $14 (€12).
The fastest way to travel from Carmarthen to Swansea is by train with an average journey time of 48m.
Other travel options to Swansea take longer:
Bus takes on average 51m.
It's helpful to compare your options as there are 2 ways to travel between Carmarthen and Swansea including taking a train and bus.
We recommend using the train as it is the most popular way to get from Carmarthen to Swansea 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 $14 (€12) compared to roughly $10 (€8) in fuel and tolls — a saving of about $-4.04 (€-3.29). The journey takes 48m versus 46m 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.
Live departures
Carmarthen to Swansea train times
The table below shows live departures for Carmarthen to Swansea trains for today, Wednesday, September 16. You can also manually refresh the results below to see updated train journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| G39487 | On time 10:41 PM Carmarthen station (CMN) | 0h48 | 11:29 PM Swansea station (SWA) | 0 transfersDirect | |
| Thursday, September 17 | |||||
| G39181 | 8:30 AM Carmarthen station (CMN) | 0h47 | 9:17 AM Swansea station (SWA) | 0 transfersDirect | |
| G15045 | 9:21 AM Carmarthen station (CMN) | 0h46 | 10:07 AM Swansea station (SWA) | 0 transfersDirect | |
| G38953 | 9:58 AM Carmarthen station (CMN) | 0h51 | 10:49 AM Swansea station (SWA) | 0 transfersDirect | |
| G39195 | 10:24 AM Carmarthen station (CMN) | 0h49 | 11:13 AM Swansea station (SWA) | 0 transfersDirect | |
| W35434 | 11:27 AM Carmarthen station (CMN) | 0h46 | 12:13 PM Swansea station (SWA) | 0 transfersDirect | |
| G38955 | 11:59 AM Carmarthen station (CMN) | 0h51 | 12:50 PM Swansea station (SWA) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Carmarthen to Swansea 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.
Thu
Sep 17
Sep 17
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Sep 19
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Sep 23
Why should you book Carmarthen to Swansea trains with Omio?
Transport for Wales as well as Great Western Railway, Great Western Railway (GWR), Transport for Wales and more offer trains services from Carmarthen to Swansea.
Omio is an official ticket reseller for all your travel options from Carmarthen to Swansea.
Why book with Omio vs Transport for Wales?
- Compare with other providers: On Omio, you can not only buy tickets for Transport for Wales, but also compare tickets for the likes of Great Western Railway, Great Western Railway (GWR) or Transport for Wales to find the best option for your trip from Carmarthen to Swansea.
- 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 Transport for Wales with all available travel options, which are train and bus to ensure you get the best deal for traveling from Carmarthen to Swansea.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Great Western Railway, Great Western Railway (GWR) or Transport for Wales to find the best option for your trip from Carmarthen to Swansea.
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Carmarthen to Swansea.
Journey information
Overview: Train from Carmarthen to Swansea
United KingdomUnited Kingdom
Trains from Carmarthen to Swansea run on average 7 times per day, taking around 48m. Cheap train tickets for this journey start at $6 (€5) if you book in advance.
There are 7 trains per day. The earliest train runs at 00:01, the last at 23:56. The fastest train covers the 22 miles (36 km) distance in 44m.
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
Distance 22 miles (36 km) |
Average train duration 48m |
Cheapest ticket price $6 (€5) |
Trains per day 7 |
Direct trains 7 |
Fastest train 44m |
First train 12:01 AM |
Last train 11:56 PM |
Cheapest Month Aug |
Cheapest Day Mon |
High Season Apr - Jun |
Low Season Oct - Dec |
Busiest Day Tue |
Least Busy Day Mon |
Best time to book 1 day |
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
Train companies: Transport for Wales, Great Western Railway from Carmarthen to Swansea trainsTransport for Wales, Great Western Railway trains will get you between Carmarthen and Swansea from $10 (€8). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
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
44m
Cheapest Transport for Wales Price
$6 (€5)
Transport for Wales frequency
4 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
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
45m
Cheapest Great Western Railway Price
$18 (€15)
Great Western Railway frequency
2 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 Swansea
Things to do in Swansea
Discover the best of Swansea — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Swansea trip today.
- Recommended
Swansea Museum
Excellent local museum on Swansea's history, Egyptology, natural history, and ceramics, housed in an elegant city-centre building.
- Recommended
Glynn Vivian Art Gallery
Contemporary art centre presenting changing exhibitions by Welsh and international artists in a bright, modern waterfront space.
- Must visit
Swansea Bay Promenade
Wide sandy bay backed by a long promenade, ideal for walking, cycling, sunsets, and classic views across Swansea Bay.
- Must visit
Mumbles
Historic fishing village turned lively seaside district, loved for the pier, independent shops, sea views, and access to coastal walks.
- Must visit
Pennard Cliffs
Dramatic clifftop path section on Gower with famous views over Three Cliffs Bay, perfect for hikers and photographers.
- Vegetarian
Bara Brith
A rich Welsh fruit loaf packed with dried fruit and tea-soaked flavor, traditionally sliced and served with butter at tea time.
- Vegetarian
- Vegan
- Gluten-free
Laverbread
A traditional Welsh seaweed puree, often served with oats and laverbread cakes. It is a signature food of the Swansea Bay coastline.
- Vegetarian
Welsh Rarebit
Welsh cheddar melted with ale and mustard on toast. This comforting pub classic is strongly associated with Welsh home cooking.
Joe's Ice Cream Parlour
Popular casual spot for quality Welsh ice cream and desserts on Mumbles seafront, loved for local flavor and sea views nearby.
The Shed Restaurant
Well-regarded waterfront restaurant known for modern British cooking, seafood, and polished service in a smart contemporary setting.
Swansea Market
Historic market venue famous for traditional Welsh breakfast, laverbread, and cockles in a lively local atmosphere.
British Pound Sterling (£)
Moderate for the UK: hotels and dining are usually cheaper than London, while buses, cafes, and casual meals stay fairly affordable for tourists.
Average meal costs
- Budget
- £8-12 for fast food or a simple lunch.
- Mid-range
- £15-30 per person for a restaurant meal.
- Fine dining
- £45+ per person for upscale dining.
- Coffee
- £2.80-4 for a cappuccino.
Tipping culture
Tipping is optional. In restaurants, 10-12.5% is polite if service is not included. Round up taxi fares; cafes usually only get small change or none.
First Bus
Get the appOfficial public transport app
Prices
- Single ticket
- £2.00
- Day pass
- £4.80
To the city center
Swansea Railway Station -> Swansea Bus Station
- Distance
- 0.8 km
- Travel time
- 10 min
- Contactless card payment is accepted on First Bus services in Swansea. Ask for the cheapest fare or day ticket when boarding.
- Swansea has no tram or metro system; local public transport is mainly by bus and rail. Check live bus times in the First Bus app before travel.
FAQs: Trains from Carmarthen to Swansea
Find answers to the most common questions about traveling from Carmarthen to Swansea 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 Swansea, this guide helps you travel smarter and with confidence.
Train ticket prices from Carmarthen to Swansea can vary. The cheapest ticket starts at $6 (€5), while the average price is around $14 (€12).
The train from Carmarthen to Swansea takes 44m and runs 7 per day.
The distance by train from Carmarthen to Swansea is 22 miles (36 km).
The first train from Carmarthen to Swansea leaves at 12:01 AM.
The last train from Carmarthen to Swansea leaves at 11:56 PM.
There is no high speed train available from Carmarthen to Swansea.
Yes, there is a direct train from Carmarthen to Swansea. This service operates 7 times per day, provided by Transport for Wales, Great Western Railway, Great Western Railway (GWR), Transport for Wales.
Unfortunately, there is no night train available from Carmarthen to Swansea.
The train station in Carmarthen that goes to Swansea is Carmarthen station (CMN), which connects to Swansea station (SWA).
The cheapest way to get from Carmarthen to Swansea is by bus, with a cost of around $10 (€8).
The train journey from Carmarthen to Swansea offers scenic views of the Welsh countryside, featuring rolling hills, lush greenery, and occasional glimpses of the coastline along the way.
Yes, a day trip from Carmarthen to Swansea is feasible. The journey takes 44m and trains run 6 times per day, covering a distance of 22 miles (36 km).
For a fulfilling experience in Swansea, a stay of 2 to 3 days is recommended to explore its main attractions like the Swansea Bay, National Waterfront Museum, and nearby Gower Peninsula.
Yes, you can take the train from Carmarthen to Swansea.
Since neither Carmarthen nor Swansea 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 Swansea include Cardiff, Neath, Llanelli, Bridgend, Port Talbot.
We recommend using the train as it is the most popular way to get from Carmarthen to Swansea 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 Swansea, travelers should be cautious of pickpocketing, especially in crowded areas like Swansea Market and popular nightlife spots. It's advisable to avoid unlicensed taxis and only use official transportation services. Be wary of street scams involving unofficial ticket sellers or overly aggressive vendors, and always keep personal belongings secure when visiting busy attractions.
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 Swansea
Most Carmarthen to Swansea trains use the Carmarthen to Swansea station pair. Use this guide to compare Carmarthen and Swansea 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 Swansea
Which Carmarthen station do trains to Swansea leave from?
Trains from Carmarthen to Swansea 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 Swansea station do trains from Carmarthen arrive at?
Trains from Carmarthen to Swansea most often arrive at Swansea. Some services arrive at Gowerton, so check your ticket before travel to confirm your Swansea arrival station.
SwanseaSwansea station, High Street, Swansea, City & County of Swansea, SA1 1NU+44 8450507080
City-centre transport
Getting to Swansea from Swansea city centre
Bus49, 30, 54 · 3m · $5 · every ~3 min
Swansea train station facilities and services
Swansea has practical services for this route, including Shopping, 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 Swansea.
Wi-Fi and ATMs
ATMs are available at Swansea.
Tickets and information
Ticket office support is available at Swansea.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Swansea: Parking, WC.
Bike and car services
Available at Swansea: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Swansea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category A. Step free access to all platforms, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible public telephones: on concourse, 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.
Most popular train connections from Carmarthen
More options for your journey from Carmarthen to Swansea
Here are some other resources that might have the information you need
Most popular trains to and from Swansea and Carmarthen
Most popular train connections to Swansea
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