Cardiff to Carmarthen bus with National Express

Tue, Oct 20
+ Add return
National Express
FlixBus
Alsa
BlaBlaCar Bus
Rede Expressos
2,000+ travel companies
National Express
FlixBus
Alsa
BlaBlaCar Bus
Rede Expressos
2,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest buses from Cardiff to Carmarthen

Showing times, prices and bookable tickets for Oct 20

Cheapest price on Oct 20

$13

Average ticket price on Oct 20

$13

Fastest journey on Oct 20

2 h 10 m

Average journey duration on Oct 20

2 h 20 m

Buses on Oct 20

2

Distance

88 km

Cheap tickets

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 $13 if you buy it on the day, but the cheapest tickets can be found for only $13.

Fast buses

On Tue, Oct 20, we found 2 buses from Cardiff to Carmarthen, including 2 direct services.

On Tue, Oct 20 the direct buses cover the 88 km distance in an average of 2 h 20 m but if you time it right, some buses will get you there in just 2 h 10 m .

On Tue, Oct 20 the slowest buses will take 2 h 30 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.

  • National ExpressNX508
    3:15 PM2h30
    Cardiff, Sophia Gardens
    5:45 PMCarmarthen, Lammas Street (Rose and Crown Hotel)
    $131One-way
    0 transfers
  • National ExpressNX112
    4:50 PM2h10
    Cardiff, Sophia Gardens
    7:00 PMCarmarthen, Lammas Street (Rose and Crown Hotel)
    $131One-way
    0 transfers

Journey information

Overview: Bus from Cardiff to Carmarthen

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Cardiff to Carmarthen run on average 2 times per day, taking around 2h 7m. Cheap bus tickets for this journey start at $11 (€10) but you can travel from only $9 (€8) 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 0m.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Train from $9 (€8)
Distance
54 miles (88 km)
Average bus duration
2h 7m
Cheapest ticket price
$11 (€10)
Buses per day
2
Direct buses
1
Fastest bus
2h 0m
First bus
3:27 AM
Last bus
11:51 PM
Cheapest Month
Jun
Cheapest Day
Thu
High Season
Apr - Jun
Low Season
Oct - Dec
Busiest Day
Mon
Least Busy Day
Sun
Best time to book
1 day
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Train from $9 (€8)

Cardiff to Carmarthen Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
01:50PM
Arrival Time
04:00PM
Duration
2h10
Departure days
Thu
Cheapest price
$17
Operator
National Express
Departure Time
02:45PM
Arrival Time
05:45PM
Duration
3h00
Departure days
Sun
Cheapest price
$18
Operator
National Express
Departure Time
02:50PM
Arrival Time
05:00PM
Duration
2h10
Departure days
Thu
Cheapest price
$16
Operator
National Express
Departure Time
03:15PM
Arrival Time
05:45PM
Duration
2h30
Departure days
Tue, Wed, Fri, Sat
Cheapest price
$13
Operator
National Express
Departure Time
03:20PM
Arrival Time
05:30PM
Duration
2h10
Departure days
Mon
Cheapest price
$18
Operator
National Express
Departure Time
03:50PM
Arrival Time
06:05PM
Duration
2h15
Departure days
Thu, Fri
Cheapest price
$15
Operator
National Express
Departure Time
04:15PM
Arrival Time
06:20PM
Duration
2h05
Departure days
Sat, Sun
Cheapest price
$13
Operator
National Express
Departure Time
04:20PM
Arrival Time
06:30PM
Duration
2h10
Departure days
Mon
Cheapest price
$16
Operator
National Express
Departure Time
04:50PM
Arrival Time
07:00PM
Duration
2h10
Departure days
Tue, Wed, Fri
Cheapest price
$13

Live departures

Cardiff to Carmarthen bus times

The table below shows live departures for Cardiff to Carmarthen buses for tomorrow, Tuesday, October 20. You can also manually refresh the results below to see updated bus journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
National ExpressNX5083:15 PM Cardiff, Sophia Gardens
2h30
5:45 PM Carmarthen, Lammas Street (Rose and Crown Hotel)0 transfersDirect
National ExpressNX1124:50 PM Cardiff, Sophia Gardens
2h10
7:00 PM Carmarthen, Lammas Street (Rose and Crown Hotel)0 transfersDirect

This is the last bus of the day.

Find all the dates and times for this journey

Why should you book Cardiff to Carmarthen buses with Omio?

National Express operates all buses services from Cardiff to Carmarthen.
Omio is an official ticket reseller for all your travel options from Cardiff to Carmarthen.

Why book with Omio vs National Express?

  • Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
  • Compare all your options: Omio allows you to compare National Express with all available travel options, which are bus and train to ensure you get the best deal for traveling from Cardiff to Carmarthen.

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Cardiff to Carmarthen.

Bus providers: National Express from Cardiff to CarmarthenYou can travel by bus between Cardiff to Carmarthen with National Express for as low as $9 (€8). When you search for schedules and tickets, Omio will show you the best journey

National Express

About
National Express is the UK’s leading long-distance coach company, operating over 550 services per day and serving more than 900 destinations nationwide. It also runs frequent services to major UK airports — including Heathrow, Gatwick, Stansted, Luton, and Bristol — 24 hours a day. All National Express coaches are air-conditioned and offer free Wi-Fi and onboard entertainment. Most vehicles are equipped with seat belts and power outlets at every seat, allowing you to charge your phone or laptop during your journey. Ticket options include Restricted Fare, Standard Fare, and Fully Flexible Fare, with the latter providing maximum flexibility for cancellations or changes.
Luggage & cancellation policy
Average National Express Duration
2h 0m
Cheapest National Express Price
$11 (€10)
National Express frequency
2 a day
Luggage included
Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Additional luggage
10€ per additional bag.
Cancellation Policy
You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority seating; Accessible toilets.
Bikes
Folding Bikes are allowed; non-folding bikes are not allowed.

Complete guide to Carmarthen

Things to do in Carmarthen

Discover the best of Carmarthen — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Carmarthen trip today.

  • Must visit

Carmarthenshire Museum

Former bishop’s palace with outstanding art collections, period rooms, and beautiful grounds; one of Carmarthenshire’s top cultural attractions.

  • Recommended

Carmarthenshire County Museum

Main county museum in a former bishop’s palace, displaying archaeology, social history, and fine art linked to the region.

  • Recommended

Oriel Myrddin Gallery

Contemporary arts venue in a converted chapel with exhibitions, craft, design, and a strong programme of Welsh creative work.

Pound sterling (£)

Moderate for the UK: hotels and meals are usually cheaper than major cities, while local buses and everyday costs stay manageable for most visitors.

Average meal costs

Budget
£8-12 for fast food or a simple meal.
Mid-range
£15-25 per person for a restaurant meal.
Fine dining
£45+ per person for fine dining.
Coffee
£2.50-4 for coffee.

Tipping culture

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.

FAQs: Bus from Cardiff to Carmarthen

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.

FAQs
Cheap bus tickets from Cardiff to Carmarthen can start from as little as $11 (€10) when you book in advance. The average bus ticket price for Cardiff to Carmarthen is $17 (€14) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by bus from Cardiff to Carmarthen is 2h 0m to travel the 54 miles (88 km) long journey. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest bus from Cardiff to Carmarthen leaves at 3:27 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Cardiff to Carmarthen leaves at 11:51 PM.
Yes, there are 1 direct buses a day from Cardiff to Carmarthen with National Express. Schedules can vary on holidays or weekends with fewer direct buses.
When taking a bus from Cardiff to Carmarthen, you can count on National Express for the best way to get you to Carmarthen. You can also check all possible bus companies who offer a service between Cardiff and Carmarthen and compare the amenities they offer before buying a bus ticket.
Passengers board the bus most frequently from Cardiff, Sophia Gardens, which is located around away from the city centre, and they get off the bus at Carmarthen, Lammas Street (Rose and Crown Hotel), located 0 away from the city centre.
It's helpful to compare your options as there are 2 ways to travel between Cardiff and Carmarthen including taking a bus and train.
Yes, the following accessibility options are available when taking the bus from Cardiff to Carmarthen:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
Yes, there are bathrooms on board the bus from Cardiff to Carmarthen for bus company National Express.
Yes, bikes are allowed on board the bus with bus company National Express.
Whether you can cancel your bus ticket from Cardiff to Carmarthen depends on the bus companies:
  • National Express
    • You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.
Yes, there is food available to purchase on board the bus from Cardiff to Carmarthen.
Yes, the following luggage options are included when booking a bus ticket from Cardiff to Carmarthen:
  • National Express
    • Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Yes, the following additional luggage options are available when booking a bus ticket from Cardiff to Carmarthen:
  • National Express
    • 10€ per additional bag.
Unfortunately, pets are not allowed on the bus from Cardiff to Carmarthen.
You can reserve your seat on the bus from Cardiff to Carmarthen with the following bus company: National Express
Yes, there are USB plugs on board the bus from Cardiff to Carmarthen with the following bus company: National Express.
Yes, there is Wifi on board the bus from Cardiff to Carmarthen with the following bus company: National Express.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Carmarthen, travelers should be cautious of pickpocketing in crowded areas and watch out for unofficial taxi services that may overcharge. It's advisable to use licensed transportation and keep personal belongings secure, especially in busy markets and near transportation hubs. General awareness and adherence to local guidance help ensure a safe visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular bus stations

Popular bus stations from Cardiff to Carmarthen

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.

Departure bus stations in Cardiff
Arrival bus stations in Carmarthen

Which Cardiff station do buses to Carmarthen leave from?

Buses from Cardiff to Carmarthen leave from Cardiff, Sophia Gardens. The station is 0 miles (1 km) from Cardiff city centre at Cardiff Coach Station, Sophia Gardens, 2 Sophia Cl, Pontcanna, Cardiff CF11 9HW, UK.
Cardiff, Sophia GardensCardiff Coach Station, Sophia Gardens, 2 Sophia Cl, Pontcanna, Cardiff CF11 9HW, UKWifiParkingATMTaxisAccessibilityWCShowerTicket Office
City-centre transport

Getting to Cardiff, Sophia Gardens from Cardiff city centre

Bus25, 62, 63, 25A, 64 · 3m · $3 · every ~14 min
C1 · 16m · every ~8 min

Cardiff, Sophia Gardens 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 and ATMs

Wi-Fi is available at Cardiff, Sophia Gardens. ATMs are available at Cardiff, Sophia Gardens.

Tickets and information

Ticket office support is available at Cardiff, Sophia Gardens.

Parking, taxis and toilets

Available at Cardiff, Sophia Gardens: Parking, Taxis, WC.

Accessibility

Accessibility facilities are available at Cardiff, Sophia Gardens: Basic accessibility features available.

More options for your journey from Cardiff to Carmarthen

Here are some other resources that might have the information you need

Most popular bus connections to Carmarthen

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone