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Carmarthen to Swansea train timetable
From Carmarthen to Swansea, take the fastest train in 44m, typically 49m. Daily, 31 trains depart from Carmarthen, with the first at 04:38 and the last at 22:42. Check real-time updates for train times, delays, and cancellations. TrainPal saves you time, effort, and money.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
06:50 Carmarthen | 48m, Direct | 07:38 Swansea | Transport for Wales | Find tickets |
07:23 Carmarthen | 50m, Direct | 08:13 Swansea | Great Western Railway | Find tickets |
07:59 Carmarthen | 49m, Direct | 08:48 Swansea | Transport for Wales | Find tickets |
08:29 Carmarthen | 48m, Direct | 09:17 Swansea | Transport for Wales | Find tickets |
09:21 Carmarthen | 46m, Direct | 10:07 Swansea | Great Western Railway | Find tickets |
Carmarthen to Swansea train tickets and times
Plan your journey from Carmarthen to Swansea with ease. Explore the first and last train times, departure and arrival stations, distance, journey time, and price options to make the most of your trip.
Carmarthen to Swansea train travel guide
The train journey from Carmarthen to Swansea combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from Carmarthen, you can get to Swansea in just 44m, making it an ideal and convenient choice for travelling between them.

Planning and booking
How much does it cost for a train from Carmarthen to Swansea?
Ticket prices from Carmarthen to Swansea average around €4.20, but vary based on travel dates and ticket flexibility. To see the exact fare for your trip, please perform a search with your preferred dates.
What is the best way to travel from Carmarthen to Swansea by train?
What is the fastest train from Carmarthen to Swansea?
The fastest train journey time from Carmarthen to Swansea is 44m. Direct trains can save significant time by avoiding transfers. Always check if a direct route is available for your journey. Moreover, when searching for trains, consider the total travel time. Some routes with fewer stops or more efficient schedules might be faster.
Are there direct trains from Carmarthen to Swansea?
No, unfortunately, you need to transfer from Carmarthen to Swansea. Still, the TrainPal Train Journey Planner helps you find the best train. Just input your origin or destination places, then click "Search" to see the suitable route.
Is it worth taking a train from Carmarthen to Swansea?
Yes, choosing the train offers an excellent blend of comfort, speed, and convenience. It's a more relaxing and sustainable option than driving, allowing you to bypass traffic and parking hassles. While coaches might have lower fares, the train provides a superior travel experience with more space and a more flexible timetable. Its key advantage is arriving directly in the city centre, making it one of the most efficient ways to reach your destination.
How far in advance can I book my train ticket?
Typically, you can book UK train tickets up to 12 weeks ahead of your travel date. This is when the cheapest Advance tickets are usually released by train operators. To secure the best price, we strongly recommend booking as early as possible.

Check timetables and during the journey
How do I find Carmarthen to Swansea train timetables?
Carmarthen to Swansea trains are generally punctual, but delays or cancellations can occur due to weather, strikes, and other factors. After purchasing a ticket, use TrainPal to track live train updates. Before buying a ticket, our Train Journey Planner provides all necessary booking information. Simply enter your departure and arrival stations, click 'Search,' and view routes labelled 'Cheapest' or 'Fastest,' with all details displayed.
How early should I arrive for a train in the UK?
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
Do Carmarthen to Swansea trains offer Wi-Fi and other facilities?
Yes, most trains on the Carmarthen to Swansea route offer amenities like Wi-Fi, food services, and various seating options. Additional facilities may include power sockets, accessibility features, and luggage storage. Check the specific amenities offered by the train operator when booking, as these can vary.
How do I transfer between train stations in the UK?
Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.
What is the difference between Standard and First Class?
Standard Class ensures a comfortable journey. For an upgraded experience, First Class provides superior comfort and additional amenities, such as complimentary refreshments, though the exact services vary by train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
Which train companies operate the Carmarthen to Swansea route?
The Carmarthen to Swansea route is operated by Great Western Railway. For any journey, the easiest way to find the operator is to search for your route on this page. The operator's name will appear next to each travel option in the results.
Essential onboard rules and facilities
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Luggage
Each passenger is permitted to bring up to 3 pieces of luggage at no extra cost. This can include a combination of items such as suitcases, backpacks, and satchels.
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Bicycle
A free reservation is required for bikes on most journeys due to limited space. While standard bicycles and folding bikes are widely permitted, some operators have provisions for e-bikes and tandems. Please note that e-scooters, motorcycles, tricycles, and bike trailers are not allowed. As policies vary, it is essential to consult your specific train operator's website for their definitive cycle rules before you travel.
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Children
Discounts are available for young travellers based on age: Travellers under 5 usually travel free, children aged 5–15 get a 50% discount, and 16 to 17-year-olds can use a 16-17 Saver Railcard to get 50% off.
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Pets
Each passenger can travel with up to 2 pets for free. Throughout the journey, dogs must be on a lead, and any other pets must remain in their carrier. Animals are not permitted on seats or in restaurant carriages.
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Passenger assistance
All operators offer assistance services for passengers with disabilities or additional needs. This should be booked in advance to guarantee availability.
How to buy cheap Carmarthen to Swansea train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

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Your train was disrupted?
* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.





















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