Carmarthen to Swansea bus with National Express

Mon, Feb 02
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National Express
Transport for Wales
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Transport for Wales
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The cheapest and fastest buses from Carmarthen to Swansea

Showing times and prices for Feb 02

Cheapest price

$12

Average price

$12

Fastest journey

50 m

Average duration

50 m

Buses per day

1

Distance

36 km

Cheap tickets

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

The average ticket from Carmarthen to Swansea will cost around $12 if you buy it on the day, but the cheapest tickets can be found for only $12.

Fast buses

Of the 1 buses that leave Carmarthen for Swansea on Mon, Feb 02, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Mon, Feb 02 the direct buses cover the 36 km distance in an average of 50 m but if you time it right, some buses will get you there in just 50 m .

On Mon, Feb 02 the slowest buses will take 50 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
09:55AM0h50
Carmarthen
10:45AMSwansea
$121One-way
0 transfers

Travel Information

Compare train and bus for Carmarthen to Swansea

Omio recommends booking the train as it is the most popular option from Carmarthen to Swansea 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 33m

Average total duration

1h 3m

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.

Live departures

Carmarthen to Swansea bus times

The table below shows live departures for Carmarthen to Swansea buses for tomorrow, Monday, February 2. You can also manually refresh the results below to see updated bus journeys.

Last updated at 9:55 PM
ProviderDepartsDurationArrivesTransfers
Tickets
national_express9:55 AM Carmarthen
0h50
10:45 AM Swansea0 transfersDirect

This is the last bus of the day.

Find all the dates and times for this journey

Compare prices and tickets Carmarthen to Swansea 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.

Mon
Feb 02
Tue
Feb 03
Wed
Feb 04
Thu
Feb 05
Fri
Feb 06
Sat
Feb 07
Sun
Feb 08

Why should you book Carmarthen to Swansea buses with Omio?

National Express as well as Transport for Wales offer buses services from Carmarthen to Swansea.
Omio is an official ticket reseller for all your travel options from Carmarthen to Swansea.

Why book with Omio vs National Express?

  • Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of Transport for Wales to find the best option for your trip from Carmarthen to Swansea.
  • 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 train and bus to ensure you get the best deal for traveling from Carmarthen to Swansea.

Why book with Omio over Wanderu?

  • Compare with other providers: On Omio, you can also compare tickets for the likes of Transport for Wales to find the best option for your trip from Carmarthen to Swansea.
  • Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Carmarthen to Swansea.

Journey information

Overview: Bus from Carmarthen to Swansea

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Carmarthen to Swansea run on average 3 times per day, taking around 1h 3m. Cheap bus tickets for this journey start at $11 (€9) but you can travel from only $6 (€5) by train.

There are 3 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 50m.

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 3m
Cheapest ticket price
$11 (€9)
Buses per day
3
Direct buses
3
Fastest bus
50m
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 Carmarthen to SwanseaYou can travel by bus between Carmarthen to Swansea 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
41m
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
50m
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 Carmarthen to Swansea

Find answers to the most common questions about traveling from Carmarthen to Swansea 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 Swansea, this guide helps you travel smarter and with confidence.

FAQs
Cheap bus tickets from Carmarthen to Swansea can start from as little as $11 (€9) when you book in advance. The average bus ticket price for Carmarthen to Swansea is $11 (€9) ; 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 Carmarthen to Swansea is 50m to travel the 22 miles (36 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 Carmarthen to Swansea leaves at 12:08 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Carmarthen to Swansea leaves at 11:50 PM.
Yes, there are 3 direct buses a day from Carmarthen to Swansea with National Express, Transport for Wales. Schedules can vary on holidays or weekends with fewer direct buses.
When taking a bus from Carmarthen to Swansea, you can count on National Express, Transport for Wales for the best way to get you to Swansea. You can also check all possible bus companies who offer a service between Carmarthen and Swansea and compare the amenities they offer before buying a bus ticket.
Passengers board the bus most frequently from Carmarthen, Lammas Street (Rose and Crown Hotel), which is located around 0 away from the city centre, and they get off the bus at Swansea, Quadrant Bus Station, located 0 away from the city centre.
A day trip to Swansea from Carmarthen is worth doing with a journey time of 50m each way. Check with Omio app the best way to travel.
The cheapest month for a bus from Carmarthen to Swansea is August.
It's helpful to compare your options as there are 2 ways to travel between Carmarthen and Swansea including taking a train and bus.
Yes, the following accessibility options are available when taking the bus from Carmarthen to Swansea:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
  • Transport for Wales
    • Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Yes, there are bathrooms on board the bus from Carmarthen to Swansea for bus company National Express, Transport for Wales.
Whether you can cancel your bus ticket from Carmarthen to Swansea 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.
  • Transport for Wales
    • Refund policy depends on ticket type
Yes, bikes are allowed on board the bus with bus company National Express.
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 Carmarthen to Swansea.
Yes, the following luggage options are included when booking a bus ticket from Carmarthen to Swansea:
  • National Express
    • Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
  • Transport for Wales
    • 2 large items of luggage and 1 small hand luggage included
Yes, the following additional luggage options are available when booking a bus ticket from Carmarthen to Swansea:
  • National Express
    • 10€ per additional bag.
Yes, you can bring your pet on the bus from Carmarthen to Swansea. The following conditions apply:
  • Transport for Wales
    • Small pets in carriers travel free. Dogs allowed with ticket (£5 per day). Guide dogs free
You can reserve your seat on the bus from Carmarthen to Swansea with the following bus company: National Express, Transport for Wales
Yes, there are USB plugs on board the bus from Carmarthen to Swansea with the following bus company: National Express, Transport for Wales.
Yes, there is Wifi on board the bus from Carmarthen to Swansea with the following bus company: National Express, Transport for Wales.

popular bus stations

Popular bus stations from Carmarthen to Swansea

Carmarthen
Swansea
The major bus station for departures in Carmarthen is Carmarthen, Lammas Street (Rose and Crown Hotel). Find all the information you need to know about services, amenities and connections at Carmarthen, Lammas Street (Rose and Crown Hotel) for your trip from Carmarthen to Swansea.
Carmarthen, Lammas Street (Rose and Crown Hotel)Accessibility
Amenities at bus station
AccessibilityAccessibility
information
Accessibility
Accessibility
  • The place has an entrance that is wheelchair-accessible

Most popular bus connections from Carmarthen

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