Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Lammas Street, outside the Boar’s Head | Victoria Coach Station | Cheapest | ||||
| Bus | Lammas Street, outside the Boar’s Head | London (Earl's Court) | Fastest | ||||
| Bus | Lammas Street, outside the Boar’s Head | Victoria Coach Station | No tags | ||||
| Bus | Lammas Street, outside the Boar’s Head | Victoria Coach Station | No tags | ||||
| Bus | Lammas Street, outside the Boar’s Head | Victoria Coach Station | No tags |
Last refresh of the prices: Last Wednesday at 8:24 PM GMT.
Compare 3 ways to go from Carmarthen to London
Among the sustainable travel choices, the train stands out as the good way to reach London. The journey takes about 3 hours 51 minutes and with fares starting at just $53, it presents an excellent value for a comfortable ride.
Where are the popular stops in Carmarthen and London?
Stops in Carmarthen
- A
Carmarthen Bus Stop (o/s Bus Stn)
27 Blue Street, Stand 2, Carmarthen SA31 3LE
Stops in London
- A164 Buckingham Palace Rd, Belgravia, London SW1W 9TP, UK
- B235 Finchley Rd, London NW3, UK
- C
Stop SC - Hammersmith Bridge Rd.
Hammersmith, Stop SC, London W6 9PJ, UK - D
Earl's Court
76-77 A4, Kensington, London SW5, UK - E26 New Kent Rd, London SE1 6TJ, UK
- FThe Old Fire Station, Old Kent Rd, London SE1 5UE, UK
Compare bus companies
Users have noted that despite some delays due to traffic and a water leak, the drivers managed well under challenging conditions. The communication from the driver was appreciated, ensuring passengers were kept informed throughout their journey. Overall, there are no major complaints about the service provided.
National Express Carmarthen London recent customer reviews
There was a delay as the coach had a water leak but it did not affect to much and the driver was great with communicating with us at all times
Vivienne B.
The bus was held up by traffic and left Carmarthen about40 minutes late time was made up on the motorway and it was only 15 minutes late at Earl's Court ,More heavy traffic in London meant about 20min late at Victoria. So considering the traffic problems encountered the drivers did remarkably well and have no complaints overall.
Malcolm S.
was a great ride and experience outside of a fellow passenger refused to wear her mask for the entire 5 hour journey
Seth L.
Frequently asked questions about traveling from Carmarthen to London by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Carmarthen to London?
The cheapest bus tickets from Carmarthen to London start from $21. The average price for this route is around $28. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Carmarthen to London?
The average bus trip duration from Carmarthen to London is 6h 10m, covering a distance of 178 miles (287 km). The quickest bus can get you there in 5h 45m and is operated by National Express.
Which bus companies service the Carmarthen to London route?
Several major train operators operate on this route with 4 trains available per day.
What is the earliest and latest departure time for the bus from Carmarthen to London?
The earliest bus departs from Carmarthen to London at 8:25am. And the latest bus departs at 10:55am.
What are the CO₂ emissions for the bus trip from Carmarthen to London?
A bus trip from Carmarthen to London generates an estimated 7 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Carmarthen to London was searched and found on Dec 6, 2025 with a price of $19To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Carmarthen to London, as early as possible.
You can expect to pay from $19 to $55 for a bus ticket from Carmarthen to London based on the last 2 days. You can expect to find the cheapest price for the trip at $19 which is on 2025-12-06.
