Bus tickets London to Carmarthen from £12

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Compare all timetables for the bus from London to Carmarthen

Here is a selection of the cheapest bus trips from the schedule from London to Carmarthen from various bus operators like National Express for the next days.

today
£16
tomorrow
£16
Monday
£16
Tuesday
£16
Wednesday
£12
Thursday
£16
Friday
£16

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 5h 45m 12:00 London Victoria Coach Station 17:45 Carmarthen Bus Station  Economy £16

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 5h 45m 12:00 London Victoria Coach Station 17:45 Carmarthen Bus Station  Economy £16

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 5h 45m 12:00 London Victoria Coach Station 17:45 Carmarthen Bus Station  Economy £16
National Express 6h 30m 12:30 London Victoria Coach Station 19:00 Carmarthen Bus Station  Economy £16
National Express 6h 5m 12:55 London Hammersmith 19:00 Carmarthen Bus Station  Economy £16

Cheapest bus trips Tuesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 5h 45m 12:00 London Victoria Coach Station 17:45 Carmarthen Bus Station  Economy £16
National Express 6h 30m 12:30 London Victoria Coach Station 19:00 Carmarthen Bus Station  Economy £16
National Express 6h 5m 12:55 London Hammersmith 19:00 Carmarthen Bus Station  Economy £16

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 6h 30m 12:30 London Victoria Coach Station 19:00 Carmarthen Bus Station  Economy £12
National Express 6h 5m 12:55 London Hammersmith 19:00 Carmarthen Bus Station  Economy £13
National Express 5h 45m 12:00 London Victoria Coach Station 17:45 Carmarthen Bus Station  Economy £14

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 6h 15m 11:30 London Victoria Coach Station 17:45 Carmarthen Bus Station  Economy £16
National Express 6h 30m 12:30 London Victoria Coach Station 19:00 Carmarthen Bus Station  Economy £20
  • Did you know that if you travel from London to Carmarthen via Bridgend, you can save more than £2? You can find the corresponding connections below.
    • National Express
      9h 15m
      0
      08:30
      London
      Victoria Coach Station
      12:30
      Bridgend
      Designer Outlet
      0
      National Express
      Economy
      £5
      • Waiting Time 3h 30m
    • National Express
      1h 45m
      0
      16:00
      Bridgend
      Designer Outlet
      17:45
      Carmarthen
      Bus Station
      0
      National Express
      Economy
      £9
    Travel time is 3h 0m longer, but you will save £2

Cheapest bus trips Friday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 6h 30m 12:00 London Victoria Coach Station 18:30 Carmarthen Bus Station  Economy £16
  • Did you know that if you travel from London to Carmarthen via Bridgend, you can save more than £2? You can find the corresponding connections below.
    • National Express
      9h 15m
      0
      08:30
      London
      Victoria Coach Station
      12:30
      Bridgend
      Designer Outlet
      0
      National Express
      Economy
      £5
      • Waiting Time 3h 30m
    • National Express
      1h 45m
      0
      16:00
      Bridgend
      Designer Outlet
      17:45
      Carmarthen
      Bus Station
      0
      National Express
      Economy
      £9
    Travel time is 2h 45m longer, but you will save £2

Best Price Offer: The price for the cheapest coach from London to Carmarthen is £12 on 23/09/2026. Flexible travellers save on ticket prices.


Frequency of bus connections between London and Carmarthen

See here how frequent the connections between London and Carmarthen are, during different times and days of the week.
Monday is the busiest day, with more than 3 daily coaches from London to Carmarthen. Friday has instead the fewest connections, with only 1 daily coaches between London and Carmarthen.
The busiest time of the day is the Afternoon, with 13 coaches from London to Carmarthen, while Morning sees the fewest connections between London and Carmarthen, with 1 offers.

Facts about coaches from London to Carmarthen

Compare all providers like National Express that travel 2 times every day by bus from London to Carmarthen in one click! Book your bus ticket from London to Carmarthen starting from £12!

Cheapest Bus £12
Fastest Bus 5h 45m
Earliest Coach 12:00
Latest Coach 12:00
Daily Bus Connections 2 Ø
Distance 291.1 km
Coach Companies National Express

Cheapest coach connections from London to Carmarthen

Every day, 2 buses from 1 coach companies leave London for Carmarthen: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 19/09/2026 and for the following days.

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 14/09
Tuesday 15/09
Wednesday 16/09
Thursday 17/09
Friday 18/09
Saturday 19/09
£16
Sunday 20/09
£16
Monday 21/09
£16
Tuesday 22/09
£16
Wednesday 23/09
£12
Thursday 24/09
£16
Friday 25/09
£16
Saturday 26/09
£16
Sunday 27/09
£16
Monday 28/09
£14
Tuesday 29/09
£12
Wednesday 30/09
£14
Thursday 01/10
Friday 02/10
£14
Saturday 03/10
£14
Sunday 04/10
£14
Monday 05/10
£14
Tuesday 06/10
£12
Wednesday 07/10
£16
Thursday 08/10
£12
Friday 09/10
£14
Saturday 10/10
£14
Sunday 11/10

The cheapest time to travel from London to Carmarthen

See here on which day and which time of the day you can find the cheapest bus ticket from London to Carmarthen, for the next 30 days.
With a price starting from £12, Tuesday is the cheapest day for a coach from London to Carmarthen. Monday instead is the most expensive day with prices starting from £14.
Afternoon is the cheapest day time for bus tickets from London to Carmarthen, with £12. Morning is the most expensive time of the day with prices starting from £16.

How to save money travelling from London to Carmarthen

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from London to Carmarthen in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from London to Carmarthen, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later coaches from London to Carmarthen are also emptier.

Beloved bus companies from London to Carmarthen

These are the most booked bus companies between London to Carmarthen from our users.

National Express from London to Carmarthen

National Express

Here you will find the key facts about the National Express bus route London to Carmarthen:

Cheapest Price £12
Fastest Coach 5h 45m
Earliest Coach 12:00
Last Coach 12:00
Daily Connections 2 Ø
Found on 13/09/2026

All bus stations and stops in London and Carmarthen

The map below shows you where to find all the bus stations in London and Carmarthen.

Service and Comfort on the bus from London to Carmarthen

Want to know which seat classes are available on the coaches from London to Carmarthen? Or which bus companies serve the route London to Carmarthen? Below you will find answers to your questions.

FAQs about the London to Carmarthen bus

How much does a London - Carmarthen coach trip cost?

This depends on, among other things, the day and travel time. The cheapest ticket for the London - Carmarthen bus trip is available from £12 and takes 6h 30m. Compare offers and save money!

How much could I save by comparing buses from London to Carmarthen?

The connection London to Carmarthen is offered by 1 companies with ticket prices ranging from £12 to £20. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the London - Carmarthen route on average every day?

Each day, the bus route from London to Carmarthen is offered by roughly 2 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to Carmarthen from London take?

The quickest coach from London to Carmarthen is provided by National Express and takes 5h 45m. Coach tickets for this connection cost £16. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from London to Carmarthen?

The earliest bus to Carmarthen departs from London at 12:00. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from London to Carmarthen?

The latest bus to Carmarthen departs from London at 12:00. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the London - Carmarthen route?

Passengers looking to travel from London to Carmarthen can travel with National Express. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between London and Carmarthen?

You can check all the direct connections between London and Carmarthen by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: National Express.

What can I take with me on the bus to Carmarthen from London?

Depending on which provider you travel with, what you are allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the London Carmarthen bus route free of charge. Simply use our search to find a coach that is best suited to your needs for your planned travel date.

What equipment is available for the London Carmarthen bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make travelling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from London to Carmarthen on your planned travel date.

How does CheckMyBus find the best bus deals from London to Carmarthen?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 2 daily trips between London and Carmarthen. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from London to Carmarthen?

Prices and availability for 2 trips between London and Carmarthen change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route London to Carmarthen

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to London and to Carmarthen

Here’s an overview of the most popular bus routes to London and to Carmarthen. Simply click on the connection of your choice, and you will find all the details about your bus route!
Buses Torquay to London Buses Torquay to London
Bus to London from Windermere Bus to London from Windermere
Coaches Antwerp to London Coaches Antwerp to London
Bus Chichester to London Bus Chichester to London
Coaches Pembroke to Carmarthen Coaches Pembroke to Carmarthen
Coach to Carmarthen from Johnston Coach to Carmarthen from Johnston
Bus from Buckingham to Carmarthen Bus from Buckingham to Carmarthen
Brighton to Carmarthen coach Brighton to Carmarthen coach
Popular Airport Transfers to London and to Carmarthen
CheckMyBus › Coaches in United Kingdom › Coach to London › Coach to Carmarthen

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