Cardiff to Carmarthen bus with National Express

Fri, Dec 05
+ Add return
National Express
Mid Wales Travel
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National Express
Mid Wales Travel
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1,000+ travel companies
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The cheapest and fastest buses from Cardiff to Carmarthen

Showing times and prices for Dec 05

Cheapest price

$14

Average price

$15

Fastest journey

2 h 15 m

Average duration

2 h 55 m

Buses per day

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 $15 if you buy it on the day, but the cheapest tickets can be found for only $14.

Fast buses

Of the 2 buses that leave Cardiff for Carmarthen on Fri, Dec 05, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, Dec 05 the direct buses cover the 88 km distance in an average of 2 h 55 m but if you time it right, some buses will get you there in just 2 h 15 m .

On Fri, Dec 05 the slowest buses will take 3 h 35 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 ExpressNX112
04:50PM2h15
Cardiff, Sophia Gardens
07:05PMCarmarthen, Lammas Street (Rose and Crown Hotel)
$141One-way
0 transfers
National ExpressNX201 · NX508
02:55PM3h35
Cardiff, Sophia Gardens
06:30PMCarmarthen, Lammas Street (Rose and Crown Hotel)
$171One-way
1 transfer

Travel Information

Compare train and bus for Cardiff to Carmarthen

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 train with prices starting from €7. For those with little time consider booking a train which can get you there in 1h 50m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.1kg. The ticket price range depends on the travel mode: a train costs an average of €7, and a bus costs an average of €9.

Distance: 54 miles (88 km)

Compare bus with

Bus
Most popular
Train

€11

Average price

€8

Average price

Cheapest

2h 30m

Average total duration

2h 0m

Onboard

+

30m

Additional time*

2h 20m

Average total duration

Fastest

1h 50m

Onboard

+

30m

Additional time*

0.1 - 0.2kg

CO2 emissions

0.0 - 0.1kg

CO2 emissions

Lowest
National Express

Most popular bus company

Transport for Wales

Most popular train company

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

Cardiff to Carmarthen Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
02:55PM
Arrival Time
06:30PM
Duration
3h35
Departure days
Fri
Cheapest price
$17
Operator
National Express
Departure Time
04:50PM
Arrival Time
07:05PM
Duration
2h15
Departure days
Fri
Cheapest price
$14

Compare prices and tickets Cardiff to Carmarthen by train or bus

Compare train and bus 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.

Fri
Dec 05
Sat
Dec 06
Sun
Dec 07
Mon
Dec 08
Tue
Dec 09
Wed
Dec 10
Thu
Dec 11

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 0m. Cheap bus tickets for this journey start at $11 (€9) but you can travel from only $9 (€7) 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.

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 (€7)
Distance
54 miles (88 km)
Average bus duration
2h 0m
Cheapest ticket price
$11 (€9)
Buses per day
2
Direct buses
1
Fastest bus
2h 5m
First bus
03:27
Last bus
23:51
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 (€7)

Bus providers: National Express, Mid Wales Travel from Cardiff to CarmarthenYou can travel by bus between Cardiff to Carmarthen with National Express, Mid Wales Travel for as low as $9 (€7). 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 Duration
2h 5m
Cheapest Price
$13 (€11)
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.

Mid Wales Travel

Luggage & cancellation policy
Average Duration
2h 10m
Mid Wales Travel frequency
1 a day

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 $13 (€11) when you book in advance. The average bus ticket price for Cardiff to Carmarthen is $16 (€13); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
On average the Cardiff to Carmarthen bus travel time is 2 h 5 min   for the 55 mile (88 km) long journey, but the duration can vary if you travel on weekends and holidays.
The first bus from Cardiff to Carmarthen leaves at 8: 04AM. Plan your trip with the Journey Planner   from Omio.
The last bus from Cardiff to Carmarthen leaves at 10: 19PM.
Yes, it is possible to travel from Cardiff to Carmarthen without having to change trains with Mid Wales Travel. There is 1 direct bus from Cardiff to Carmarthen each day. There may be fewer direct services available on weekends or holidays.
When taking a bus from Cardiff to Carmarthen, you can count on National Express or Mid Wales Travel for the best way to get you to Carmarthen. You can also check all possible bus providers who offer a service from Cardiff to 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 0.9 miles (1.4 km) away from the city centre, and they get off the bus at Carmarthen, Blue Street, located 0.4 miles (639 m) away from the city centre.

A trip to Carmarthen from Cardiff is worth doing but not as a day trip with a journey time of 2 h 5 min each way. Check with Omio app   the best way to travel.
The cheapest month for a bus from Cardiff to Carmarthen is December.
You have options as you can travel between Cardiff and Carmarthen 2 different ways: train or bus.
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 company:
  • 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.

To find the cheapest bus tickets for your trip from Cardiff to Carmarthen, follow these tips:

  • Book in advance: Tickets are often cheaper when booked early.
  • Be flexible with dates and times: Traveling during off-peak hours or on weekdays can help you save money.
  • Use our search filters: Sort results by price to quickly identify the most affordable options.
  • Look for special deals or discounts: Check for promotions or discounts available on our website and app.
  • Start your search now and compare ticket prices to find the best deal!

    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.

    popular bus stations

    Popular bus stations from Cardiff to Carmarthen

    Cardiff
    Carmarthen
    The major bus station for departures in Cardiff is Cardiff, Sophia Gardens. Find all the information you need to know about services, amenities and connections at Cardiff, Sophia Gardens for your trip from Cardiff to Carmarthen.
    Cardiff, Sophia Gardens
    information

    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

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