- Must visit
Carmarthenshire Museum
Former bishop’s palace with outstanding art collections, period rooms, and beautiful grounds; one of Carmarthenshire’s top cultural attractions.
Cheapest price on Sep 17
$9
Average ticket price on Sep 17
$12
Fastest journey on Sep 17
39 m
Average journey duration on Sep 17
45 m
Trains on Sep 17
6
Distance
36 km
The best way to find a cheap train ticket from Swansea to Carmarthen is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Swansea to Carmarthen will cost around $12 if you buy it on the day, but the cheapest tickets can be found for only $9.
On Thu, Sep 17, we found 6 trains from Swansea to Carmarthen, including 6 direct services.
On Thu, Sep 17 the direct trains cover the 36 km distance in an average of 45 m but if you time it right, some trains will get you there in just 39 m .
On Thu, Sep 17 the slowest trains will take 48 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.
W44769
G38314
G39201
G38864
G38905
G38905
G39201
W35415
G38314
G38864Omio recommends booking the train as it is the most popular option from Swansea to Carmarthen among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $13 For those with little time, consider booking a bus, which has an average total journey time of 1h 15m. 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 $13, while a train costs an average of $13.
Distance: 22 miles (36 km)
Most popular Train | Bus | Driving |
|---|---|---|
$13 Average price | $13 Average price Cheapest | $10 Average price (fuel + tolls) |
1h 17m Average total duration 47m Onboard + 30m Additional time* | 1h 15m Average total duration Fastest 45m Onboard + 30m Additional time* | 43m 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.
This is compared to other travel options from Swansea to Carmarthen:
A bus is $0.28 (€0.23) less than a train for this route with tickets for a train from Swansea to Carmarthen costing on average $13 (€11).
Other travel options to Carmarthen take longer:
Train takes on average 47m.
Tickets start at around $13 (€11) compared to roughly $10 (€8) in fuel and tolls — a saving of about $-2.83 (€-2.30). The journey takes 47m versus 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.
The table below shows live departures for Swansea to Carmarthen trains for today, Wednesday, September 16. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
G39499 | On time 8:57 PM Swansea station (SWA) | 0h54 | 9:51 PM Carmarthen station (CMN) | 0 transfersDirect | |
G38890 | On time 10:09 PM Swansea station (SWA) | 0h46 | 10:55 PM Carmarthen station (CMN) | 0 transfersDirect | |
G39501 | On time 10:40 PM Swansea station (SWA) | 0h51 | 11:31 PM Carmarthen station (CMN) | 0 transfersDirect | |
G39505 | On time 11:46 PM Swansea station (SWA) | 0h51 | 12:37 AM Carmarthen station (CMN) | 0 transfersDirect | |
| Thursday, September 17 | |||||
G38314 | 7:59 AM Swansea station (SWA) | 0h48 | 8:47 AM Carmarthen station (CMN) | 0 transfersDirect | |
G38905 | 8:19 AM Swansea station (SWA) | 0h39 | 8:58 AM Carmarthen station (CMN) | 0 transfersDirect | |
W44769 | 8:46 AM Swansea station (SWA) | 0h49 | 9:35 AM Carmarthen station (CMN) | 0 transfersDirect | |
G38864 | 9:45 AM Swansea station (SWA) | 0h48 | 10:33 AM Carmarthen station (CMN) | 0 transfersDirect | |
W35415 | 9:55 AM Swansea station (SWA) | 0h46 | 10:41 AM Carmarthen station (CMN) | 0 transfersDirect | |
G39201 | 10:09 AM Swansea station (SWA) | 0h44 | 10:53 AM Carmarthen station (CMN) | 0 transfersDirect | |
Find all the dates and times for this journey
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.
Trains from Swansea to Carmarthen run on average 8 times per day, taking around 47m. Cheap train tickets for this journey start at $6 (€5) if you book in advance.
There are 8 trains per day. The earliest train runs at 00:06, the last at 23:48. The fastest train covers the 22 miles (36 km) distance in 38m.
Distance 22 miles (36 km) |
Average train duration 47m |
Cheapest ticket price $6 (€5) |
Trains per day 8 |
Direct trains 8 |
Fastest train 38m |
First train 12:06 AM |
Last train 11:48 PM |
Cheapest Month Nov |
Cheapest Day Thu |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Mon |
Best time to book 1 day |
Discover the best of Carmarthen — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Carmarthen trip today.
Former bishop’s palace with outstanding art collections, period rooms, and beautiful grounds; one of Carmarthenshire’s top cultural attractions.
Main county museum in a former bishop’s palace, displaying archaeology, social history, and fine art linked to the region.
Contemporary arts venue in a converted chapel with exhibitions, craft, design, and a strong programme of Welsh creative work.
Restored public garden beside the castle, popular for river views, events, and an easy walk close to the historic centre.
Historic town square and civic focus, framed by important buildings and often used as a convenient orientation point for visitors.
Linear riverside park and walking route along the Towy, offering open views, wildlife interest, and a pleasant break from the centre.
Traditional Welsh cakes griddled with flour, butter, sugar and dried fruit. A classic teatime treat sold across Carmarthenshire and eaten warm or cold.
A rich fruit loaf made with tea, dried fruit and spices. Long linked with Welsh home baking and often served sliced with butter.
Creamy Welsh cheese sauce poured over toasted bread. It is a beloved comfort food and a traditional way to enjoy local Caerphilly-style cheese.
Refined modern dining in a smart country-house setting near Carmarthen, known for seasonal Welsh ingredients and polished tasting-style menus.
Established local cafe and bakery stop for Welsh cakes, bara brith, breakfasts and coffee, with a casual atmosphere for quick local bites.
Popular gastropub in Carmarthen with Welsh produce, steaks, seafood and a lively but relaxed atmosphere in a historic coaching inn.
Moderate for the UK: hotels and meals are usually cheaper than major cities, while local buses and everyday costs stay manageable for most visitors.
Service is often included or optional. In restaurants, tip 10-12.5% for good service if not included. Taxis are usually rounded up. Cafe tipping is optional.
Official public transport app
Carmarthen Railway Station -> Guildhall Square, Carmarthen
Find answers to the most common questions about traveling from Swansea to Carmarthen 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 Carmarthen, this guide helps you travel smarter and with confidence.

Most Swansea to Carmarthen trains use the Swansea to Carmarthen station pair. Use this guide to compare Swansea and Carmarthen train stations on this route, check city-centre transport, alongside checking practicalities like 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 options are available at Swansea.
ATMs are available at Swansea.
Ticket office support is available at Swansea.
Lost and found is available at the station.
Available at Swansea: Parking, WC.
Available at Swansea: Bike Parking, Bike Rental.
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.
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 options are available at Carmarthen.
Ticket office support is available at Carmarthen.
Lost and found is available at the station.
Available at Carmarthen: Parking, WC.
Available at Carmarthen: Bike Parking, Bike Rental.
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.
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