Standard
- Free Wi-Fi
- Power plugs
Cheapest price on 05 Sept
£25
Average ticket price on 05 Sept
£25
Fastest journey on 05 Sept
5 h 45 m
Average journey duration on 05 Sept
5 h 58 m
Buses on 05 Sept
2
Distance
291 km
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 £25 if you buy it on the day, but you can find cheap coach tickets today for only £25.
On Sat 05 Sept, we found 2 buses from Carmarthen to London, including 2 direct services.
These direct buses cover the 291 km distance in an average of 5 h 58 m but if you time it right, some buses will get you there in just 5 h 45 m .
The slowest buses will take 6 h 10 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.
NX508
NX508
NX508
NX508Omio recommends booking the train as it is the most popular option from Carmarthen to London among Omio's users. If you are prioritising price, take the coach, with an average ticket price of £25 For those with little time, consider booking a train, which has an average total journey time of 4h 34m. If you are seeking to minimise your carbon footprint, the train is your best option, with estimated CO2 emissions of 0.1 - 0.3kg. Average ticket prices depend on the travel mode: a coach costs an average of £25, while a train costs an average of £65.
Distance: 291 km
| Coach | Most popular Train | Driving |
|---|---|---|
£25 Average Price Cheapest | £65 Average Price | £90 Average Price (fuel + tolls) |
6h 37m Average total duration 6h 7m Onboard + 30m Additional time* | 4h 34m Average total duration Fastest 4h 4m Onboard + 30m Additional time* | 4h 5m Average total duration (door-to-door) |
0.3 - 0.7kg CO2 emissions | 0.1 - 0.3kg CO2 emissions Lowest | - CO2 emissions |
![]() Most popular bus company | ![]() 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.
This is compared to other travel options from Carmarthen to London:
A coach is £40 less than a train for this route with tickets for a train from Carmarthen to London costing on average £65.
Other travel options to London take longer:
Coach takes on average 6h 7m.
Tickets start at around £25 compared to roughly £90 in fuel and tolls — a saving of about £65. The journey takes 6h 7m versus 4h 5m 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.
The table below shows live departures for Carmarthen to London coaches for tomorrow, Saturday 5 September. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
NX508 | 10:55 Carmarthen, Lammas Street (Rose and Crown Hotel) | 6h10 | 17:05 London, Victoria Coach Station | 0 changesdirect | |
NX508 | 10:55 Carmarthen, Lammas Street (Rose and Crown Hotel) | 5h45 | 16:40 London, Earl's Court | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare coach and train 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.
Buses from Carmarthen to London run on average 3 times per day, taking around 6h 7m. Cheap bus tickets for this journey start at £16 if you book in advance.
There are 1 coaches per day. The earliest coach runs at 03:27, the last at 22:49. The fastest coach covers the 291 km distance in 6h 10m.
Distance 291 km |
Average bus duration 6h 7m |
Cheapest ticket price £16 |
Buses per day 3 |
Direct buses 1 |
Fastest bus 6h 10m |
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 |
Compare National Express classes and the amenities included in each one.
Discover the best of London — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect London trip today.
World-class collection spanning ancient civilisations, the Rosetta Stone and global treasures with free permanent galleries.
National collection of European painting from Van Gogh to Turner in a landmark Trafalgar Square setting.
Vast museum of art, design and performance, loved for fashion, sculpture and major temporary exhibitions.
Lively pedestrian riverside route linking major sights, street performers, markets and excellent views across the Thames.
West End square famous for lions, fountains and events, surrounded by galleries and central to many first-time visits.
Grand royal park with Serpentine lake, broad paths and easy walks to Kensington Palace and Buckingham Palace.
A classic breakfast of sausages, bacon, eggs, beans, mushrooms and toast. A staple of British cafés and weekend dining across London.
Pale ale battered fish with chips, usually served with mushy peas and tartare sauce. A long-standing favourite in London pubs and chippies.
Slow-cooked beef in rich gravy topped with mashed potato. This hearty pie is closely associated with East London working-class food culture.
Luxury hotel venue renowned for formal afternoon tea with fine pastries, sandwiches and impeccable service in grand surroundings.
Refined Indian restaurant with a Michelin star, celebrated for polished cooking and a landmark role in London’s modern dining scene.
Historic dining room famed for traditional British pies, roast meats and classic puddings in elegant, old-school surroundings.
Very costly by European standards; hotels, dining and transport are notably pricier than in most UK and EU city breaks.
Restaurants often add a 12.5% service charge; if not, tip 10-12%. Taxis: round up or 10%. Cafés: no obligation, small change optional.
Official public transport app
London Victoria Coach Station -> Charing Cross, London
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.

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.
Carmarthen, Lammas Street (Rose and Crown Hotel) has practical services for this route, including Accessibility.
Accessibility facilities are available at Carmarthen, Lammas Street (Rose and Crown Hotel): The place has an entrance that is wheelchair-accessible.
London, Victoria Coach Station is 2 km from London city centre. Public transport options include:
London, Victoria Coach Station has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC and Ticket Office.
Food options include: Pret a Manger (in the station), Starbucks (in the station).
Free Wi-Fi. ATMs are located near the main entrance and inside the station.
Ticket office support is available at London, Victoria Coach Station.
Available at London, Victoria Coach Station: Parking, Taxis, WC.
Accessibility facilities are available at London, Victoria Coach Station: Elevators, ramps.
London, Earl's Court is 5 km from London city centre. Public transport options include:
London, Earl's Court has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower and Ticket Office.
Wi-Fi is available at London, Earl's Court. ATMs are available at London, Earl's Court.
Ticket office support is available at London, Earl's Court.
Available at London, Earl's Court: Parking, Taxis, WC.
Accessibility facilities are available at London, Earl's Court: Station is accessible for those with reduced mobility.
Here are some other resources that might have the information you need