London to Carmarthen bus with National Express

Mon, Jun 01
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The cheapest and fastest buses from London to Carmarthen

Showing times and prices for Jun 01

Cheapest price

$28

Average price

$31

Fastest journey

5 h 45 m

Average duration

5 h 45 m

Buses per day

2

Distance

291 km

Cheap tickets

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

The average ticket from London to Carmarthen will cost around $31 if you buy it on the day, but the cheapest tickets can be found for only $28.

Fast buses

Of the 2 buses that leave London for Carmarthen on Mon, Jun 01, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Mon, Jun 01 the direct buses cover the 291 km distance in an average of 5 h 45 m but if you time it right, some buses will get you there in just 5 h 45 m .

On Mon, Jun 01 the slowest buses will take 5 h 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
    11:00 AM5h45
    London
    4:45 PMCarmarthen
    $281One-way
    0 transfers
  • National Express
    12:00 PM5h45
    London
    5:45 PMCarmarthen
    $341One-way
    0 transfers

Travel Information

Compare train and bus for London to Carmarthen

Omio recommends booking the train as it is the most popular option from London to Carmarthen among Omio's users. If you are prioritising price take the bus with prices starting from $27. For those with little time consider booking a train which can get you there in 3h 42m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.1 - 0.3kg. The ticket price range depends on the travel mode: a bus costs an average of $27, and a train costs an average of $65.

Distance: 180 miles (291 km)

Compare bus with

Bus
Most popular
Train
Driving

$35

Average price

Cheapest

$92

Average price

$95

Average price

(fuel + tolls)

6h 20m

Average total duration

5h 50m

Onboard

+

30m

Additional time*

4h 12m

Average total duration

Fastest

3h 42m

Onboard

+

30m

Additional time*

3h 57m

Average total duration

(door-to-door)

0.3 - 0.7kg

CO2 emissions

0.1 - 0.3kg

CO2 emissions

Lowest

-

CO2 emissions

National Express

Most popular bus company

Great Western Railway

Most popular train company

Your own car or car rental

Direct Options

Direct Options

Direct Options

Additional time: Average total travel duration to departure point, security checks and transfers.

The cheapest way to travel from London to Carmarthen is a bus with an average price of $35 (€29).

This is compared to other travel options from London to Carmarthen:

A bus is $56 (€45) less than a train for this route with tickets for a train from London to Carmarthen costing on average $92 (€74).

The fastest way to travel from London to Carmarthen is by train with an average journey time of 3h 42m.

Other travel options to Carmarthen take longer:

Bus takes on average 5h 50m.

It's helpful to compare your options as there are 2 ways to travel between London and Carmarthen including taking a train and bus.
We recommend using the train as it is the most popular way to get from London to Carmarthen among Omio's users.
Take the bus. It's the cheapest way to make this trip, and the price gap is usually bigger than people expect.

Tickets start at around $35 (€29) compared to roughly $95 (€77) in fuel and tolls — a saving of about $60 (€48). The journey takes 5h 50m versus 3h 57m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.

Direct services are operated by National Express.

Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.

London to Carmarthen Bus Timetables

OperatorDeparture TimeArrival TimeDurationDeparture daysCheapest price
Operator
National Express
Departure Time
10:30AM
Arrival Time
05:00PM
Duration
6h30
Departure days
Tue, Wed, Thu
Cheapest price
$53
Operator
National Express
Departure Time
11:00AM
Arrival Time
04:45PM
Duration
5h45
Departure days
Mon
Cheapest price
$28
Operator
National Express
Departure Time
12:00PM
Arrival Time
05:45PM
Duration
5h45
Departure days
Everyday
Cheapest price
$30

Live departures

London to Carmarthen bus times

The table below shows live departures for London to Carmarthen buses for today, Sunday, May 31. You can also manually refresh the results below to see updated bus journeys.

Last updated at
ProviderDepartsDurationArrivesTransfers
Tickets
National ExpressNX50812:00 PM London, Victoria Coach Station
5h45
5:45 PM Carmarthen, Lammas Street (Rose and Crown Hotel)0 transfersDirect

This is the last bus of the day.

Find all the dates and times for this journey

Compare prices and tickets London 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.

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Why should you book London to Carmarthen buses with Omio?

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

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

Why book with Omio over Wanderu?

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

Journey information

Overview: Bus from London to Carmarthen

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of bus

Buses from London to Carmarthen run on average 2 times per day, taking around 5h 50m. Cheap bus tickets for this journey start at $27 (€21) if you book in advance.

There are 1 buses per day. The earliest bus runs at 03:27, the last at 22:49. The fastest bus covers the 180 miles (291 km) distance in 5h 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
Distance
180 miles (291 km)
Average bus duration
5h 50m
Cheapest ticket price
$27 (€21)
Buses per day
2
Direct buses
1
Fastest bus
5h 45m
First bus
3:27 AM
Last bus
10:49 PM
Cheapest Month
Nov
Cheapest Day
Wed
High Season
Jan - Mar
Low Season
Apr - Jun
Busiest Day
Fri
Least Busy Day
Mon
Best time to book
49 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

Bus providers: National Express from London to CarmarthenYou can travel by bus between London to Carmarthen with National Express for as low as $27 (€21). 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 Duration
5h 45m
Cheapest Price
$27 (€21)
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.
Bikes
Folding Bikes are allowed; non-folding bikes are not allowed.

FAQs: Bus from London to Carmarthen

Find answers to the most common questions about traveling from London 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 London to Carmarthen can start from as little as $27 (€21) when you book in advance. The average bus ticket price for London to Carmarthen is $35 (€29) ; 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 London to Carmarthen is 5h 45m to travel the 180 miles (291 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 London to Carmarthen leaves at 3:27 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from London to Carmarthen leaves at 10:49 PM.
Yes, there are 1 direct buses a day from London to Carmarthen with National Express. Schedules can vary on holidays or weekends with fewer direct buses.
When taking a bus from London to Carmarthen, you can count on National Express for the best way to get you to Carmarthen. You can also check all possible bus companies who offer a service between London and Carmarthen and compare the amenities they offer before buying a bus ticket.
When departing from London , you have various bus station options to start your journey from including London, Victoria Coach Station, London, Eastbourne Terrace (Paddington Station), London, York Road (London Eye), London, Heathrow Airport Terminals 2 & 3, London, Heathrow Airport Terminal 5, London, Heathrow Airport Terminal 4, London, Baker Street Station, London, Southwark Street / Blackfriars Road, London, Elephant and Castle, London, Walworth, London, Tottenham Hale Bus Station, London, Gloucester Place (Baker Street Station), London, Golders Green Station, London, Bishopsgate (Liverpool Street Station - Stop G), London, Lithos Road, London, Finchley Road ("Subway" restaurant) . When arriving in Carmarthen , you can end your journey in bus stations like Carmarthen, Lammas Street (Rose and Crown Hotel), St Clears, Pentre Road .Passengers board the bus most frequently from London, Victoria Coach Station, which is located around 2 away from the city centre, and they get off the bus at Carmarthen, Lammas Street (Rose and Crown Hotel), located 0 away from the city centre.
A trip to Carmarthen from London is worth doing but not as a day trip with a journey time of 5h 45m each way. Check with Omio app the best way to travel.
The cheapest month for a bus from London to Carmarthen is November.
It's helpful to compare your options as there are 2 ways to travel between London and Carmarthen including taking a train and bus.
Yes, the following accessibility options are available when taking the bus from London to Carmarthen:
  • National Express
    • Assistance
    • Priority seating
    • Accessible toilets.
Yes, there are bathrooms on board the bus from London to Carmarthen for bus company National Express.
Whether you can cancel your bus ticket from London to Carmarthen 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.
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 London to Carmarthen.
Yes, the following luggage options are included when booking a bus ticket from London 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 London to Carmarthen:
  • National Express
    • 10€ per additional bag.
Unfortunately, pets are not allowed on the bus from London to Carmarthen.
You can reserve your seat on the bus from London to Carmarthen with the following bus company: National Express
Yes, there are USB plugs on board the bus from London to Carmarthen with the following bus company: National Express.
Yes, there is Wifi on board the bus from London to Carmarthen with the following bus company: National Express.
Since neither London nor Carmarthen are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
We recommend using the train as it is the most popular way to get from London to Carmarthen among Omio's users.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Carmarthen, travelers should be cautious of pickpocketing in crowded areas and watch out for unofficial taxi services that may overcharge. It's advisable to use licensed transportation and keep personal belongings secure, especially in busy markets and near transportation hubs. General awareness and adherence to local guidance help ensure a safe visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

popular bus stations

Popular bus stations from London to Carmarthen

London
Carmarthen
The major bus station for departures in London is London, Victoria Coach Station. Find all the information you need to know about services, amenities and connections at London, Victoria Coach Station for your trip from London to Carmarthen.
London, Victoria Coach StationWifiParkingDiningATMTaxisAccessibilityWCTicket Office
Amenities at bus station
WifiWifi
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
Ticket OfficeTicket Office
information
ticketOfficeHours
Ticket Office Hours
  • 06:00-23:00
ticketOfficeHours
Distance to city center
2 km
carConnection
Car connection
Buckingham Palace Road
Wifi
Wifi
  • Free Wi-Fi
Dining
Dining
  • Pret a Manger (in the station)
  • Starbucks (in the station).
Taxis
Taxis
  • Available outside the station on Buckingham Palace Road.
Accessibility
Accessibility
  • Elevators, ramps
WC
WC
  • Available in the station.
Public transit options for London, Victoria Coach Station
  • Bus: 11, 44, 170, 211, C1, C10 Metro: Victoria Train: Southern, Gatwick Express
London, Eastbourne Terrace (Paddington Station)
information
London, York Road (London Eye)Accessibility
Amenities at bus station
AccessibilityAccessibility
information
Accessibility
Accessibility
  • The place has an entrance that is wheelchair-accessible

Most popular bus connections to Carmarthen

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