Bus from London to Carmarthen from $19

Compare all the bus companies and find the best price with CheckMyBus
The Best Deals Save up to 70%
The Most Choices Millions of routes worldwide
Easy and Transparent Compare offers with 1 click

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
from $38
tomorrow
from $28
Friday
from $45
Saturday
from $22
Sunday
from $42
Monday
from $31
Tuesday
from $19

Cheapest bus trips today

Prices are for one way and one person
  • National Express
    6h 30m
    0
    10:30 AM
    London
    Victoria Coach Station
    5:00 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $38
  • National Express
    5h 45m
    0
    12:00 PM
    London
    Victoria Coach Station
    5:45 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $38

Cheapest bus trips tomorrow

Prices are for one way and one person
  • National Express
    5h 45m
    0
    12:00 PM
    London
    Victoria Coach Station
    5:45 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $28
  • National Express
    6h 30m
    0
    10:30 AM
    London
    Victoria Coach Station
    5:00 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $31

Cheapest bus trips Friday

Prices are for one way and one person
  • National Express
    6h 30m
    0
    12:00 PM
    London
    Victoria Coach Station
    6:30 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $45
  • National Express
    7h 5m
    0
    10:30 AM
    London
    Victoria Coach Station
    5:35 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $46

Cheapest bus trips Saturday

Prices are for one way and one person
  • National Express
    5h 45m
    0
    12:00 PM
    London
    Victoria Coach Station
    5:45 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $22
  • National Express
    6h 20m
    0
    10:30 AM
    London
    Victoria Coach Station
    4:50 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $25

Cheapest bus trips Sunday

Prices are for one way and one person
  • National Express
    6h 20m
    0
    10:30 AM
    London
    Victoria Coach Station
    4:50 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $42

Cheapest bus trips Monday

Prices are for one way and one person
  • National Express
    5h 45m
    0
    12:00 PM
    London
    Victoria Coach Station
    5:45 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $31
  • National Express
    6h 30m
    0
    10:30 AM
    London
    Victoria Coach Station
    5:00 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $41

Cheapest bus trips Tuesday

Prices are for one way and one person
  • National Express
    5h 45m
    0
    12:00 PM
    London
    Victoria Coach Station
    5:45 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $19
  • National Express
    6h 30m
    0
    10:30 AM
    London
    Victoria Coach Station
    5:00 PM
    Carmarthen
    Bus Station
    0
    National Express
    Economy
    $22

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 2 daily buses from London to Carmarthen. Sunday has instead the fewest connections, with only 1 daily coaches between London and Carmarthen.
The busiest time of the day is the Morning, with 7 buses from London to Carmarthen, while Afternoon sees the fewest connections between London and Carmarthen, with 6 offers.

Enjoy these deals on your way from London to Carmarthen

National Express-Ends soon! Get 25% off bus tickets. Travel by Aug 31.
National Express

Ends soon! Get 25% off bus tickets. Travel by Aug 31.

Facts about the bus from London to Carmarthen

Compare all providers like National Express that travel 1 times every day by bus from London to Carmarthen in one click! Book your bus ticket from London to Carmarthen starting from $19!

Cheapest Bus $19
Fastest Bus 5h 45m
Earliest Bus 10:30 AM
Latest Bus 12:00 PM
Daily Bus Routes 1 Ø
Distance 180.9 miles
Bus Companies National Express

Cheapest bus connections from London to Carmarthen

Every day, 1 buses from 1 bus companies leave London for Carmarthen: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 06/25/2025 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 06/22
Monday 06/23
Tuesday 06/24
Wednesday 06/25
$38
Thursday 06/26
$28
Friday 06/27
$45
Saturday 06/28
$22
Sunday 06/29
$42
Monday 06/30
$31
Tuesday 07/01
$19
Wednesday 07/02
$22
Thursday 07/03
$22
Friday 07/04
$22
Saturday 07/05
Sunday 07/06
$25
Monday 07/07
$22
Tuesday 07/08
Wednesday 07/09
$22
Thursday 07/10
$22
Friday 07/11
$25
Saturday 07/12
$22
Sunday 07/13
$22
Monday 07/14
$28
Tuesday 07/15
$19
Wednesday 07/16
$19
Thursday 07/17
$19
Friday 07/18
$22
Saturday 07/19

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 $19, Tuesday is the cheapest day for a bus from London to Carmarthen. Friday instead is the most expensive day with prices starting from $45.
Afternoon is the cheapest day time for bus tickets from London to Carmarthen, with $19. Morning is the most expensive time of the day with prices starting from $22.

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 buses 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 $19
Fastest Bus 5h 45m
Earliest Bus 10:30 AM
Last Bus 12:00 PM
Daily Connections 1 Ø
Found on 6/24/2025

All bus stations and stops in London and Carmarthen

In the map below, you can see where to find all 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 buses 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 bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $19 and takes 5h 45m to reach Carmarthen. Compare offers to save money!

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

This route is offered by 1 companies with a range of ticket prices between $19 and $46. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Carmarthen.

On average, how many connections are available from London to Carmarthen each day?

Every day, the London to Carmarthen bus route is served by approximately 1 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from London to Carmarthen take?

The fastest bus from London to Carmarthen is offered by National Express and takes 5h 45m. Bus tickets for this connection cost $38. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from London to Carmarthen?

The earliest bus arriving in Carmarthen from London starts at 10:30 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from London to Carmarthen?

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

Which bus companies operate the London Carmarthen route?

When traveling by bus from London to Carmarthen, passengers can travel with National Express. With our search, you can compare all available bus tickets to book the one that works 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 London to Carmarthen bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the London Carmarthen bus route free of charge. Simply use our search to find a bus 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 traveling 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.

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!
Bus Paris to London Bus Paris to London
Bus to London from Manchester Bus to London from Manchester
Buses to London from Stonehenge Buses to London from Stonehenge
Oxford to London bus Oxford to London bus
Buses Bristol - Carmarthen Buses Bristol - Carmarthen
Bus Aberystwyth - Carmarthen Bus Aberystwyth - Carmarthen
Tenby to Carmarthen bus Tenby to Carmarthen bus
Bus from Birmingham to Carmarthen Bus from Birmingham to Carmarthen
Popular Airport Shuttles to London and to Carmarthen
CheckMyBus › Buses in United Kingdom › Bus to London › Bus to Carmarthen

The CheckMyBus App

Free Download

App Store
CheckMyBus App
Close
GPDR CheckMyBus shield

We value your privacy!

To show you the best bus offers, we and our partners use technical, analytical, and marketing cookies to personalize the ads. We remember your anonymized details to provide a personalized experience.