- Must visit
Carmarthenshire Museum
The county museum in a former bishop’s palace, covering Roman finds, local history and changing displays in an atmospheric setting.
Cheapest price
£45
Average price
£45
Fastest journey
8 h 10 m
Average duration
8 h 10 m
Buses per day
1
Distance
165 km
The best way to find a cheap coach ticket from Plymouth to Carmarthen is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Plymouth to Carmarthen will cost around £45 if you buy it on the day, but you can find cheap coach tickets today for only £45.
Of the 1 buses that leave Plymouth for Carmarthen every day 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct buses cover the 165 km distance in an average of 8 h 10 m but if you time it right, some buses will get you there in just 8 h 10 m .
The slowest buses will take 8 h 10 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 coach as it is the most popular option from Plymouth to Carmarthen among Omio's users. If you are prioritising price take the coach with prices starting from £45. For those with little time consider booking a train which can get you there in 6h 2m. The ticket price range depends on the travel mode: a coach costs an average of £45, and a train costs an average of £169.
Distance: 165 km
Most popular Coach | Train |
|---|---|
£45 Average Price Cheapest | £207 Average Price |
8h 40m Average total duration 8h 10m Onboard + 30m Additional time* | 6h 32m Average total duration Fastest 6h 2m Onboard + 30m Additional time* |
Direct Options | Direct Options |
The table below shows live departures for Plymouth to Carmarthen coaches for today, Monday 3 August. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 9:15 Plymouth | 9h15 | 18:30 Carmarthen | 2 changes | |
![]() | 11:30 Plymouth | 7h50 | 19:20 Carmarthen | 3 changes | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare train and coach 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 Plymouth to Carmarthen run on average 1 times per day, taking around 8h 10m. Cheap bus tickets for this journey start at £45 if you book in advance.
The earliest coach runs at 06:35, the last at 20:20. The fastest coach covers the 165 km distance in 8h 10m.
Distance 165 km |
Average bus duration 8h 10m |
Cheapest ticket price £45 |
Buses per day 1 |
Fastest bus 8h 10m |
First bus 6:35 |
Last bus 20:20 |
Cheapest Month Jul |
Cheapest Day Tue |
High Season Jul - Sept |
Low Season Apr - Jun |
Best time to book 21 days |
Discover the best of Carmarthen — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Carmarthen trip today.
The county museum in a former bishop’s palace, covering Roman finds, local history and changing displays in an atmospheric setting.
Small museum on the old Roman amphitheatre site, introducing Roman Moridunum and the archaeology of early Carmarthen.
Museum telling the story of Dylan Thomas and his family in a restored chapel, with exhibits on writing, broadcasting and local roots.
Large public park with formal gardens, play areas, riverside walks and a hilltop monument, ideal for a relaxed break near the centre.
Historic market quarter with independent shops, old arcades and everyday town life, good for browsing and seeing central Carmarthen on foot.
Riverside green space and woodland paths beside the Towy, popular for walking, wildlife watching and easy access from the town centre.
Traditional Welsh broth made with lamb or beef, root vegetables and leeks. A staple of rural west Wales, valued for its hearty, slow-cooked flavour.
A rich fruit loaf or tea bread with dried fruit and spices, commonly sliced and served with butter. Long associated with Welsh baking and teatime.
Small oatcakes cooked on a bakestone, often split and toasted with butter or cheese. A traditional Welsh breakfast and teatime bread.
Popular casual restaurant known for burgers, brunch and modern comfort food in a lively town-centre setting.
Stylish restaurant and bar serving modern British dishes, cocktails and varied seasonal plates in an elegant atmosphere.
Well-known traditional pub with classic Welsh and British meals, local ales and a relaxed historic setting.
Moderate for the UK. Hotels and dining are usually cheaper than in Cardiff or London, while local transport and everyday costs stay fairly manageable for visitors.
Tipping is modest. In restaurants, 10-12.5% is appreciated if service is not included. Round up taxi fares, and tipping in cafés 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 Plymouth to Carmarthen by coach. 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 coach, the cheapest option, or tips for making the most of your visit at Carmarthen, this guide helps you travel smarter and with confidence.

Most Plymouth to Carmarthen buses use the Plymouth, Coach Station to Carmarthen, Lammas Street (Rose and Crown Hotel) station pair. Use this guide to compare Plymouth and Carmarthen bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
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