Bus Tickets from Carmarthen to London

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TodayAug 9
TomorrowAug 10
MonAug 11
TueAug 12
from US$25
WedAug 13
ThuAug 14
from US$27
FriAug 15
from US$34
SatAug 16
from US$27

Cheap buses leaving Tuesday

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: August 12 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: August 12 at
    Destination city: London
    Destination location: Victoria Coach Station
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: August 12 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: August 12 at
    Destination city: London
    Destination location: Earl's Court
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: August 12 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: August 12 at
    Destination city: London
    Destination location: Victoria Coach Station
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: August 12 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: August 12 at
    Destination city: London
    Destination location: Victoria Coach Station
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: August 12 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: August 12 at
    Destination city: London
    Destination location: Victoria Coach Station
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

Last refresh of the prices: Last Wednesday at 10:45 PM BST.

Prices and availability are subject to change.

Accepted payments

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  • Google Pay

Compare 3 ways to go from Carmarthen to London

Bus
Average PriceUS$19 - US$46Average Duration6h 10m
7kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average PriceUS$53 - US$360Average Duration3h 51m
7kg CO₂e5 out of 5 stars
Carpool
Average PriceUS$42 - US$42Average Duration3h 40m
12kg CO₂e4 out of 5 stars
Fastest
busbud logoBusbud recommends carpooling from Carmarthen to London

Among the sustainable travel choices, the carpool stands out as a good way to reach London. The journey takes about 3 hours 40 minutes, and with fares starting at just US$42, it presents an excellent value for a comfortable ride.

1carpool per day
3h 40mAverage Duration
US$42Cheapest ticket
12kgCO₂ emissions

Bus Carmarthen to London: Trip Overview

Average Ticket PriceUS$27
Average Bus Trip Duration6h 10m
Number of daily buses3
Earliest bus departure8:35am
Distance286 km
Latest bus departure10:55am

Carmarthen to London Bus

With Busbud, comparing and booking tickets for a bus from Carmarthen to London is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

We make it our job to connect you with the most dependable bus companies that cover bus service from Carmarthen to London.

From cheap bus tickets to more luxurious buses travelling from Carmarthen to London, we offer a wide range of bus services to best suit your needs depending on how much your budget is.

Frequently asked questions on the trip Carmarthen - London

  1. How much does a bus ticket from Carmarthen to London cost?

    The bus ticket price from Carmarthen to London starts at US$19. The best way to find cheap bus tickets from Carmarthen to London is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

  2. How long is the bus ride from Carmarthen to London?

    The average travel time between Carmarthen and London is around 6h 10m, although the fastest bus will take about 5h 45m.This is the time it takes to travel the 292 km that separates the two cities.

  3. How many daily bus connections are there between Carmarthen and London?

    The number of buses from Carmarthen to London can differ depending on the day of the week. On average, there are 3 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from Carmarthen to London by comparing and selecting the bus that fits you travel style and budget on Busbud.

  4. Which bus companies travel from Carmarthen to London?

    When taking the bus from Carmarthen to London, you can travel comfortably and safely with National Express, Infobus.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
08-07
US$23
08-08
US$29
Today
US$29
08-10
US$32
08-11
US$32
08-12
US$23
08-13
US$25
08-14
US$25
busbud logoThe cheapest trip from Carmarthen to London was searched and found on Aug 7, 2025 with a price of US$23

To 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 US$23 to US$57 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 US$23 which is on 2025-08-12.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from Carmarthen to London.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from Carmarthen to London.

Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from Carmarthen to London that are otherwise impossible to come by with a plane.

Tune out to the fine sounds of your best music playlist on your bus trip from Carmarthen to London while indulging in miles on end of beautiful scenic views.

Did you know?

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

What's the cheapest way to go from Carmarthen to London?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Carmarthen by bus?

Bus from Carmarthen to London

You can also go to London by train

Train from Carmarthen to London

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With several language and currency options available, Busbud seeks to cater to international bus travellers no matter where they are in the world. With Busbud, you can buy tickets with confidence. We ensure that you make the most out of your bus trip by partnering up with reliable bus companies from all around the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

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Popular Buses Connecting Carmarthen

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