Swansea to Carmarthen bus with National Express

Thu, Dec 18
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National Express
Transport for Wales
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The cheapest and fastest buses from Swansea to Carmarthen

Showing times and prices for Dec 19

Cheapest price

$11

Average price

$11

Fastest journey

45 m

Average duration

45 m

Buses per day

1

Distance

36 km

Cheap tickets

The best way to find a cheap bus ticket from Swansea to Carmarthen is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Swansea to Carmarthen will cost around $11 if you buy it on the day, but the cheapest tickets can be found for only $11.

Fast buses

Of the 1 buses that leave Swansea for Carmarthen on Fri, Dec 19, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, Dec 19 the direct buses cover the 36 km distance in an average of 45 m but if you time it right, some buses will get you there in just 45 m .

On Fri, Dec 19 the slowest buses will take 45 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 Express
04:45PM0h45
Swansea
05:30PMCarmarthen
$111One-way
0 transfers

Travel Information

Compare train and bus for Swansea to Carmarthen

Omio recommends booking the train as it is the most popular option from Swansea to Carmarthen among Omio's users. If you are prioritising price take the train with prices starting from €5. For those with little time consider booking a train which can get you there in 47m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.0kg. The ticket price range depends on the travel mode: a train costs an average of €5, and a bus costs an average of €9.

Distance: 22 miles (36 km)

Compare bus with

Bus
Most popular
Train

€9

Average price

€7

Average price

Cheapest

1h 34m

Average total duration

1h 4m

Onboard

+

30m

Additional time*

1h 17m

Average total duration

Fastest

47m

Onboard

+

30m

Additional time*

0.0 - 0.1kg

CO2 emissions

0.0 - 0.0kg

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.

Swansea to Carmarthen Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
04:15PM
Arrival Time
05:00PM
Duration
0h45
Departure days
Tue
Cheapest price
$13
Operator
National Express
Departure Time
05:00PM
Arrival Time
05:45PM
Duration
0h45
Departure days
Tue
Cheapest price
$12

Live departures

Swansea to Carmarthen bus times

The table below shows live departures for Swansea to Carmarthen buses for today, Thursday, December 18. You can also manually refresh the results below to see updated bus journeys.

Last updated at 5:26 AM
ProviderDepartsDurationArrivesTransfers
Tickets
national_express4:00 PM Swansea
0h45
4:45 PM Carmarthen0 transfersDirect

This is the last bus of the day.

Find all the dates and times for this journey

Compare prices and tickets Swansea 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 19
Sat
Dec 20
Sun
Dec 21
Mon
Dec 22
Tue
Dec 23
Wed
Dec 24
Thu
Dec 25

Journey information

Overview: Bus from Swansea to Carmarthen

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Swansea to Carmarthen run on average 2 times per day, taking around 1h 4m. Cheap bus tickets for this journey start at $11 (€9) but you can travel from only $6 (€5) by train.

There are 2 buses per day. The earliest bus runs at 00:08, the last at 23:50. The fastest bus covers the 22 miles (36 km) distance in 45m.

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 $6 (€5)
Distance
22 miles (36 km)
Average bus duration
1h 4m
Cheapest ticket price
$11 (€9)
Buses per day
2
Direct buses
2
Fastest bus
45m
First bus
00:08
Last bus
23:50
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 $6 (€5)

Bus providers: National Express, Transport for Wales from Swansea to CarmarthenYou can travel by bus between Swansea to Carmarthen with National Express, Transport for Wales for as low as $6 (€5). When you search for schedules and tickets, Omio will show you the best journey

Transport for Wales

About
Transport for Wales is a public transport provider in Wales, UK. It operates a comprehensive network of trains, buses and ferries across the country. The trains are modern and comfortable, with a range of different types including InterCity Express Trains, Regional Trains, and Metro Trains. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. There are a variety of ticket types available, including single and return tickets, season tickets, and group tickets. The most popular routes include Cardiff to Swansea, Cardiff to Newport, and Cardiff to Manchester.
Luggage & cancellation policy
Average Duration
42m
Cheapest Price
$6 (€5)
Transport for Wales frequency
3 a day
Luggage included
2 large items of luggage and 1 small hand luggage included
Luggage storage
Overhead racks, luggage areas at end of carriages, under seats
Cancellation Policy
Refund policy depends on ticket type
Refund
Full refund if service canceled
Amenities on board the bus
Wifi
Food sold onboard
Trolley service on most routes with snacks and drinks. Some stations have cafes
Seat reservation
Seat reservations recommended but not mandatory. Free of charge when booking tickets
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets in carriers travel free. Dogs allowed with ticket (£5 per day). Guide dogs free
Quiet zone

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
45m
Cheapest Price
$11 (€9)
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.

FAQs: Bus from Swansea to Carmarthen

Find answers to the most common questions about traveling from Swansea 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 Swansea to Carmarthen can start from as little as $11 (€9) when you book in advance. The average bus ticket price for Swansea to Carmarthen is $14 (€11); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
On average the Swansea to Carmarthen bus travel time is 45 min   for the 22 mile (36 km) long journey, but the duration can vary if you travel on weekends and holidays.
The first bus from Swansea to Carmarthen leaves at 12: 08AM. Plan your trip with the Journey Planner   from Omio.
The last bus from Swansea to Carmarthen leaves at 11: 28PM.
There are 2 buses a day from Swansea to Carmarthen which require at least one change with National Express or Transport for Wales. Schedules can vary on holidays or weekends with fewer buses.
For the trip from Swansea to Carmarthen you can take a bus with National Express or Transport for Wales. Be sure to check out all possible bus companies that offer services to Carmarthen from Swansea on Omio to compare what amenities they may have.

Passengers board the bus most frequently from Swansea, Quadrant Bus Station, which is located around 0.7 miles (1.2 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 day trip to Carmarthen from Swansea is worth doing with a journey time of 45 min each way. Check with Omio app   the best way to travel.
The cheapest month for a bus from Swansea to Carmarthen is March.
You have options as you can travel from Swansea to Carmarthen 2 different ways: train or bus.
Yes, the following accessibility options are available when taking the bus from Swansea to Carmarthen:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
Yes, there are bathrooms on board the bus from Swansea 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 Swansea 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 Swansea 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 Swansea to Carmarthen.
    Yes, the following luggage options are included when booking a bus ticket from Swansea 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 Swansea to Carmarthen:
    • National Express
      • 10€ per additional bag.
    Unfortunately, pets are not allowed on the bus from Swansea to Carmarthen.
    You can reserve your seat on the bus from Swansea to Carmarthen with the following bus company: National Express
    Yes, there are USB plugs on board the bus from Swansea to Carmarthen with the following bus company: National Express.
    Yes, there is Wifi on board the bus from Swansea to Carmarthen with the following bus company: National Express.

    popular bus stations

    Popular bus stations from Swansea to Carmarthen

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

    Most popular bus connections to Carmarthen

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