- 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 05
$15
Average ticket price on Sep 05
$16
Fastest journey on Sep 05
2 h 5 m
Average journey duration on Sep 05
2 h 5 m
Buses on Sep 05
2
Distance
88 km
The best way to find a cheap bus ticket from Cardiff to Carmarthen is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff to Carmarthen will cost around $16 if you buy it on the day, but the cheapest tickets can be found for only $15.
On Sat, Sep 05, we found 2 buses from Cardiff to Carmarthen, including 2 direct services.
On Sat, Sep 05 the direct buses cover the 88 km distance in an average of 2 h 5 m but if you time it right, some buses will get you there in just 2 h 5 m .
On Sat, Sep 05 the slowest buses will take 2 h 5 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.




Omio recommends booking the train as it is the most popular option from Cardiff to Carmarthen among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $15 For those with little time, consider booking a train, which has an average total journey time of 2h 22m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.0 - 0.1kg. Average ticket prices depend on the travel mode: a bus costs an average of $15, while a train costs an average of $15.
Distance: 54 miles (88 km)
| Bus | Most popular Train | Driving |
|---|---|---|
$15 Average price Cheapest | $15 Average price | $25 Average price (fuel + tolls) |
2h 30m Average total duration 2h 0m Onboard + 30m Additional time* | 2h 22m Average total duration Fastest 1h 52m Onboard + 30m Additional time* | 1h 20m Average total duration (door-to-door) |
0.1 - 0.2kg CO2 emissions | 0.0 - 0.1kg CO2 emissions Lowest | - CO2 emissions |
![]() Most popular bus company | ![]() Most popular train 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 Cardiff to Carmarthen:
A bus is $0.25 less than a train for this route with tickets for a train from Cardiff to Carmarthen costing on average $15.
Other travel options to Carmarthen take longer:
Bus takes on average 2h 0m.
Tickets start at around $15 compared to roughly $25 in fuel and tolls — a saving of about $10. The journey takes 2h 0m versus 1h 20m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Direct services are operated by National Express, Mid Wales Travel.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator National Express | Departure Time 01:50PM | Arrival Time 04:00PM | Duration 2h10 | Departure days Tue, Wed, Thu | Cheapest price $13 |
Operator National Express | Departure Time 02:35PM | Arrival Time 05:45PM | Duration 3h10 | Departure days Mon | Cheapest price $17 |
Operator National Express | Departure Time 02:50PM | Arrival Time 05:00PM | Duration 2h10 | Departure days Tue, Wed, Thu | Cheapest price $16 |
Operator National Express | Departure Time 02:55PM | Arrival Time 06:30PM | Duration 3h35 | Departure days Fri | Cheapest price $19 |
Operator National Express | Departure Time 03:15PM | Arrival Time 05:20PM | Duration 2h05 | Departure days Sat | Cheapest price $15 |
Operator National Express | Departure Time 03:50PM | Arrival Time 06:05PM | Duration 2h15 | Departure days Thu | Cheapest price $15 |
Operator National Express | Departure Time 04:15PM | Arrival Time 06:20PM | Duration 2h05 | Departure days Sat, Sun | Cheapest price $16 |
Operator National Express | Departure Time 04:50PM | Arrival Time 07:05PM | Duration 2h15 | Departure days Mon, Fri | Cheapest price $13 |
The table below shows live departures for Cardiff to Carmarthen buses for tomorrow, Saturday, September 5. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 3:15 PM Cardiff | 2h05 | 5:20 PM Carmarthen | 0 transfersDirect | |
![]() | 4:15 PM Cardiff | 2h05 | 6:20 PM Carmarthen | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare bus and train 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.
Buses from Cardiff to Carmarthen run on average 2 times per day, taking around 2h 0m. Cheap bus tickets for this journey start at $13 but you can travel from only $12 by train.
There are 1 buses per day. The earliest bus runs at 03:27, the last at 23:51. The fastest bus covers the 54 miles (88 km) distance in 2h 5m.
Distance 54 miles (88 km) |
Average bus duration 2h 0m |
Cheapest ticket price $13 |
Buses per day 2 |
Direct buses 1 |
Fastest bus 2h 5m |
First bus 3:27 AM |
Last bus 11:51 PM |
Cheapest Month Aug |
Cheapest Day Sun |
High Season Apr - Jun |
Low Season Oct - Dec |
Busiest Day Mon |
Least Busy Day Sun |
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, Lammas Street (Rose and Crown Hotel) -> Carmarthen Bus Station
Find answers to the most common questions about traveling from Cardiff to Carmarthen by bus. 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 bus, the cheapest option, or tips for making the most of your visit at Carmarthen, this guide helps you travel smarter and with confidence.

Most Cardiff to Carmarthen buses use the Cardiff, Sophia Gardens to Carmarthen, Lammas Street (Rose and Crown Hotel) station pair. Use this guide to compare Cardiff and Carmarthen bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Cardiff, Sophia Gardens has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Wi-Fi is available at Cardiff, Sophia Gardens. ATMs are available at Cardiff, Sophia Gardens.
Ticket office support is available at Cardiff, Sophia Gardens.
Available at Cardiff, Sophia Gardens: Parking, Taxis, WC.
Accessibility facilities are available at Cardiff, Sophia Gardens: Basic accessibility features available.
Carmarthen, Lammas Street (Rose and Crown Hotel) has practical services for this route, including Accessibility.
Accessibility facilities are available at Carmarthen, Lammas Street (Rose and Crown Hotel): The place has an entrance that is wheelchair-accessible.
Here are some other resources that might have the information you need