Transport for Wales6.16 kg CO₂
22:30Cardiff central
2h 32m
01:08Carmarthen Railway Station
1 changes
Cardiff to Carmarthen Bus
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- Lowest price from $11.33
- Average duration 2h 3m
- Connections per day 5
- Distance 88 km
- CO₂ per person 8 kg
bus from Cardiff to Carmarthen
The journey from Cardiff to Carmarthen is about 88 km. On average a bus trip takes 2h 3m with 5 connections per day.
| Lowest price | $11.33 |
|---|---|
| Trip duration | 2h 3m |
| Connections per day | 5 |
| Lowest price | $11.33 |
| Highest price | $34.31 |
| First departure | 02:35 PM |
| Last departure | 10:50 PM |
| Distance | 88 km |
| Departure | Cardiff |
| Arrival | Carmarthen |
| Travel operator | National Express, Great Western Railway National Express, Great Western Railway, Transport for Wales |
$9.92
National Express6.16 kg CO₂
16:20Cardiff - Sophia Gardens
2h 10m
18:30Lammas Street, outside the Boar’s Head
direct
National Express6.16 kg CO₂
14:35Cardiff - Sophia Gardens
2h
17:45Lammas Street, outside the Boar’s Head
1 changes
Transport for Wales6.16 kg CO₂
22:30Cardiff central
2h 32m
01:08Carmarthen Railway Station
1 changes
Transport for Wales6.16 kg CO₂
21:44Cardiff central
2h 31m
00:22Carmarthen Railway Station
1 changes
Transport for Wales6.16 kg CO₂
22:49Cardiff central
2h 43m
02:17Carmarthen Railway Station
1 changes
Next departures from Cardiff to Carmarthen
Sample times and fares for the coming days — book to confirm availability and price.
National Express $15.63
14:35 Cardiff - Sophia Gardens
17:45 Carmarthen Rose and Crown
National Express $15.56
14:35 Cardiff - Sophia Gardens
17:45 Lammas Street, outside the Boar’s Head
National Express $11.39
16:15 Cardiff - Sophia Gardens
18:20 Carmarthen Rose and Crown
Transport for Wales $34.31
22:50 Cardiff central
02:22 Carmarthen Railway Station
National Express $15.63
14:35 Cardiff - Sophia Gardens
17:45 Carmarthen Rose and Crown
National Express $15.56
14:35 Cardiff - Sophia Gardens
17:45 Lammas Street, outside the Boar’s Head
National Express $11.39
16:15 Cardiff - Sophia Gardens
18:20 Carmarthen Rose and Crown
Transport for Wales $34.31
22:50 Cardiff central
02:22 Carmarthen Railway Station
National Express $15.63
14:35 Cardiff - Sophia Gardens
17:45 Carmarthen Rose and Crown
National Express $15.56
14:35 Cardiff - Sophia Gardens
17:45 Lammas Street, outside the Boar’s Head
National Express $11.39
16:15 Cardiff - Sophia Gardens
18:20 Carmarthen Rose and Crown
Transport for Wales $34.31
22:50 Cardiff central
02:22 Carmarthen Railway Station
Carriers on this route
Learn more about carriers on this route.
Great Western Railway (GWR) is a British railway company that operates passenger services between London and the southwest of England, as well as parts of Wales. It was founded in 1833 and was originally known as the Great Western Railway Company. GWR is now owned by FirstGroup. The company is known for its iconic green livery and its historic steam locomotives, including the famous Flying Scotsman.
National Express is a British multinational public transport company that operates bus, and rail services in the UK, Europe, North Africa, and North America. The company was founded in 1972 and has its headquarters in Birmingham, UK. National Express operates a fleet of over 1,600 buses, serving over 900 destinations across the UK. The company also operates rail services in the UK, including the East Anglia franchise.
The Welsh Government owns the non-profit organization Transport for Wales. It is responsible for the procurement and management of passenger rail services in Wales, as well as the development of the Welsh rail network. The company was established in 2018, taking over from Arriva Trains Wales, and operates services across Wales and the Borders. Transport for Wales is a great choice for your journeys within Wales, such as Cardiff to Aberdare or Newport to Swansea, or for your trips in England, like Manchester to Chester or Birmingham to Shrewsbury, and even for your travel between England and Wales.
Facility description
Learn more about the services available on board each carrier on this route.
Facilities Description
Luggage
National Express allows two 20kg suitcases and one piece of hand luggage. Hard cases and wheeled bags must be stored in the hold. Extra and oversized luggage can be added for a fee. Pushchairs and buggies are stored for free.
Food and drink
Passengers can bring drinks (with safety lids) and cold food on National Express buses. No hot or strong-smelling food is allowed. Long journeys have refreshment stops.
Wi-Fi
Free Wi-Fi is available for browsing and social media on National Express buses. Additionally, the VUER entertainment service offers free access to TV shows, news, sports, and games on core routes.
Power sockets
USB ports are available at each seat on National Express for charging devices.
Accessibility
Assistance is provided for passengers with disabilities or reduced mobility, with continual improvements based on feedback on National Express buses.
CO₂ emissions by mode
train 6.16kg
bus 6.6kg
flight 17.6kg
carpool 14.08kg
FAQ
A bus ticket from Cardiff to Carmarthen costs ≈ $17.64 (£13.32). Prices vary by how far ahead you book and the time of day. Tickets start from ≈ $11.33 (£8.55).
The cheapest ticket from Cardiff to Carmarthen costs ≈ $11.33 (£8.55). Book as early as possible and avoid peak times.
Cardiff and Carmarthen are 88 km apart.
The journey from Cardiff to Carmarthen takes about 2h 3m on average. The fastest option takes 2h.
This route is served by 3 operators: National Express, Great Western Railway and Transport for Wales.
There are about 5 connections per day from Cardiff to Carmarthen.
The first bus from Cardiff to Carmarthen leaves at 02:35 PM. Check times on your travel date.
The last bus from Cardiff to Carmarthen leaves at 10:50 PM. Check times on your travel date.
We recommend booking as early as possible. The bus we found costs ≈ $11.33 (£8.55) but prices can change.
There are about 2 direct connections from Cardiff to Carmarthen.
The shortest bus journey between Cardiff and Carmarthen takes 2h.
Yes, there is a direct bus between Cardiff and Carmarthen.
The bus journey from Cardiff to Carmarthen generates 8 kg of CO₂.