Carmarthen to London bus with National Express

Wed 21 Oct
+ Add return
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The cheapest and fastest coaches from Carmarthen to London

Showing times, prices and bookable tickets for 21 Oct

Cheapest price on 21 Oct

£20

Average ticket price on 21 Oct

£24

Fastest journey on 21 Oct

6 h 5 m

Average journey duration on 21 Oct

6 h 35 m

Buses on 21 Oct

5

Distance

291 km

Cheap tickets

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

The average ticket from Carmarthen to London will cost around £24 if you buy it on the day, but you can find cheap coach tickets today for only £20.

Fast coaches

On Wed 21 Oct, we found 5 buses from Carmarthen to London, including 2 direct services.

These direct buses cover the 291 km distance in an average of 6 h 35 m but if you time it right, some buses will get you there in just 6 h 5 m .

The slowest buses will take 7 h 25 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 ExpressNX508
    11:106h40
    Carmarthen, Lammas Street (Rose and Crown Hotel)
    17:50London, Victoria Coach Station
    £201One-way
    0 changes
  • National ExpressNX508
    11:106h15
    Carmarthen, Lammas Street (Rose and Crown Hotel)
    17:25London, Earl's Court
    £201One-way
    0 changes
  • National ExpressNX112 · NX507
    9:506h30
    Carmarthen, Lammas Street (Rose and Crown Hotel)
    16:20London, Victoria Coach Station
    £241One-way
    1 change
  • National ExpressNX112 · NX507
    9:506h05
    Carmarthen, Lammas Street (Rose and Crown Hotel)
    15:55London, Earl's Court
    £241One-way
    1 change
  • National ExpressNX508 · NX509
    11:107h25
    Carmarthen, Lammas Street (Rose and Crown Hotel)
    18:35London, Hammersmith Bridge Road
    £331One-way
    1 change

Journey information

Overview: Bus from Carmarthen to London

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from Carmarthen to London run on average 3 times per day, taking around 5h 55m. Cheap bus tickets for this journey start at £14 if you book in advance.

There are 2 coaches per day. The earliest coach runs at 03:27, the last at 22:49. The fastest coach covers the 291 km distance in 5h 15m.

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
Distance
291 km
Average bus duration
5h 55m
Cheapest ticket price
£14
Buses per day
3
Direct buses
2
Fastest bus
5h 15m
First bus
3:27
Last bus
22:49
Cheapest Month
Jul
Cheapest Day
Tue
High Season
Jan - Mar
Low Season
Apr - Jun
Busiest Day
Mon
Least Busy Day
Sun
Best time to book
35 days
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

Live departures

Carmarthen to London bus times

The table below shows live departures for Carmarthen to London coaches for today, Tuesday 20 October. You can also manually refresh the results below to see updated coach journeys.

Last updated at
ProviderDepartsDurationArrivesChanges
Tickets
National ExpressNX112 · NX5079:50 Carmarthen, Lammas Street (Rose and Crown Hotel)
6h05
15:55 London, Earl's Court1 change
National ExpressNX112 · NX5079:50 Carmarthen, Lammas Street (Rose and Crown Hotel)
6h30
16:20 London, Victoria Coach Station1 change
National ExpressNX50811:10 Carmarthen, Lammas Street (Rose and Crown Hotel)
6h15
17:25 London, Earl's Court0 changesdirect
National ExpressNX50811:10 Carmarthen, Lammas Street (Rose and Crown Hotel)
6h40
17:50 London, Victoria Coach Station0 changesdirect
National ExpressNX508 · NX50911:10 Carmarthen, Lammas Street (Rose and Crown Hotel)
7h25
18:35 London, Hammersmith Bridge Road1 change

Find all the dates and times for this journey

Why should you book Carmarthen to London coaches with Omio?

National Express operates all coaches services from Carmarthen to London.
Omio is an official ticket reseller for all your travel options from Carmarthen to London.

Why book with Omio vs National Express?

  • 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 bus and train to ensure you get the best deal for traveling from Carmarthen to London.

Why book with Omio over Wanderu?

  • Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Carmarthen to London.

Bus providers: National Express from Carmarthen to LondonYou can travel by bus between Carmarthen to London with National Express for as low as £14. 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 National Express Duration
5h 15m
Cheapest National Express Price
£14
National Express frequency
3 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.

Complete guide to London

Things to do in London

Discover the best of London — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London trip today.

  • Must visit

The British Museum

World-class collection spanning ancient civilisations, the Rosetta Stone and global treasures with free permanent galleries.

  • Must visit

The National Gallery

National collection of European painting from Van Gogh to Turner in a landmark Trafalgar Square setting.

  • Must visit

Victoria and Albert Museum

Vast museum of art, design and performance, loved for fashion, sculpture and major temporary exhibitions.

Pound sterling (£)

Very costly by European standards; hotels, dining and transport are notably pricier than in most UK and EU city breaks.

Average meal costs

Budget
£8-15 for fast food or street food.
Mid-range
£20-40 per person for a meal.
Fine dining
£80+ per person for upscale restaurants.
Coffee
£3-5 for a cappuccino.

Tipping culture

Restaurants often add a 12.5% service charge; if not, tip 10-12%. Taxis: round up or 10%. Cafés: no obligation, small change optional.

FAQs: Carmarthen to London coach

Find answers to the most common questions about traveling from Carmarthen to London by coach. 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 coach, the cheapest option, or tips for making the most of your visit at London, this guide helps you travel smarter and with confidence.

FAQs
Cheap coach tickets from Carmarthen to London can start from as little as £14 when you book in advance. The average coach ticket price for Carmarthen to London is £23; 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 coach from Carmarthen to London is 5h 15m to travel the 291 km long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest coach from Carmarthen to London leaves at 3:27. Plan your trip with the Journey Planner from Omio.
The latest coach from Carmarthen to London leaves at 22:49.
Yes, there are 2 direct coaches a day from Carmarthen to London with National Express. Schedules can vary on holidays or weekends with fewer direct coaches.
When taking a coach from Carmarthen to London, you can count on National Express for the best way to get you to London. You can also check all possible coach companies who offer a service between Carmarthen and London and compare the amenities they offer before buying a coach ticket.
When departing from Carmarthen , you have various coach station options to start your route from including Carmarthen, Lammas Street (Rose and Crown Hotel) . When arriving in London , you can end your route in coach stations like London, Victoria Coach Station, London, Earl's Court, London, Hammersmith Bridge Road, London, Eastbourne Terrace (Paddington Station), London, Heathrow Airport Terminal 5, London, Heathrow Airport Terminals 2 & 3, London, York Road (London Eye), London, Heathrow Airport Terminal 4.Passengers board the coach most frequently from Carmarthen, Lammas Street (Rose and Crown Hotel), which is located around away from the city centre, and they get off the coach at London, Victoria Coach Station, located 2 away from the city centre.
It's helpful to compare your options as there are 2 ways to travel between Carmarthen and London including taking a coach and train.
Yes, the following accessibility options are available when taking the coach from Carmarthen to London:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
Yes, there are bathrooms on board the coach from Carmarthen to London for coach company National Express.
Whether you can cancel your coach ticket from Carmarthen to London depends on the coach 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.
Yes, bikes are allowed on board the coach with coach 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.
No, there is no food available to purchase on board the coach from Carmarthen to London.
Yes, the following luggage options are included when booking a coach ticket from Carmarthen to London:
  • 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 coach ticket from Carmarthen to London:
  • National Express
    • 10€ per additional bag.
Unfortunately, pets are not allowed on the coach from Carmarthen to London.
You can reserve your seat on the coach from Carmarthen to London with the following coach company: National Express
Yes, there are USB plugs on board the coach from Carmarthen to London with the following coach company: National Express.
Yes, there is Wifi on board the coach from Carmarthen to London with the following coach company: National Express.

popular bus stations

Important Stations and Airports in Carmarthen and London

Most Carmarthen to London buses use the Carmarthen, Lammas Street (Rose and Crown Hotel) to London, Victoria Coach Station station pair, with some services arriving at London, Earl's Court. Use this guide to compare Carmarthen and London bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.

Departure bus stations in Carmarthen
Arrival bus stations in London

Which Carmarthen station do buses to London leave from?

Buses from Carmarthen to London leave from Carmarthen, Lammas Street (Rose and Crown Hotel). The station is from Carmarthen city centre at 2-5 Guildhall Square, Carmarthen SA31 1NP, UK.
Carmarthen, Lammas Street (Rose and Crown Hotel)2-5 Guildhall Square, Carmarthen SA31 1NP, UKAccessibility
City-centre transport

Getting to Carmarthen, Lammas Street (Rose and Crown Hotel) from Carmarthen city centre

BusT1x, 322, T1, T1a · 5m · £1 · every ~4 min

Carmarthen, Lammas Street (Rose and Crown Hotel) bus station facilities and services

Carmarthen, Lammas Street (Rose and Crown Hotel) has practical services for this route, including Accessibility.

Accessibility

Accessibility facilities are available at Carmarthen, Lammas Street (Rose and Crown Hotel): The place has an entrance that is wheelchair-accessible.

More options for your journey from Carmarthen to London

Here are some other resources that might have the information you need

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