Carmarthen to London train with Great Western Rail

Fri, Nov 07
+ Add return
Great Western Rail
Transport for Wales
first_great_western
Transport for Wales
Regionale
1,000+ travel companies
Great Western Rail
Transport for Wales
first_great_western
Transport for Wales
Regionale
1,000+ travel companies
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The cheapest and fastest trains from Carmarthen to London

Showing times and prices for Nov 07

Cheapest price

$88

Average price

$94

Fastest journey

3 h 35 m

Average duration

3 h 41 m

Trains per day

6

Distance

291 km

Cheap tickets

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

The average ticket from Carmarthen to London will cost around $94 if you buy it on the day, but the cheapest tickets can be found for only $88.

Fast trains

Of the 6 trains that leave Carmarthen for London on Fri, Nov 07, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, Nov 07 the direct trains cover the 291 km distance in an average of 3 h 41 m but if you time it right, some trains will get you there in just 3 h 35 m .

On Fri, Nov 07 the slowest trains will take 3 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.

Great Western RailP08487
11:27AM3h45
Carmarthen station (CMN)
03:12PMLondon Paddington (PAD)
$881One-way
0 transfers
Great Western RailP08483
09:21AM3h49
Carmarthen station (CMN)
01:10PMLondon Paddington (PAD)
$941One-way
0 transfers
Transport for WalesG56285+Great Western RailP08481
08:31AM3h40
Carmarthen station (CMN)
12:11PMLondon Paddington (PAD)
$961One-way
1 transfer
Transport for WalesG56295+Great Western RailP08485
10:31AM3h43
Carmarthen station (CMN)
02:14PMLondon Paddington (PAD)
$961One-way
1 transfer
Transport for WalesG55320+Great Western RailP08490
12:58PM3h43
Carmarthen station (CMN)
04:41PMLondon Paddington (PAD)
$961One-way
1 transfer

Travel Information

Compare train and bus for Carmarthen to London

Omio 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 bus with prices starting from €19. For those with little time consider booking a train which can get you there in 3h 50m. 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 €19, and a train costs an average of €42.

Distance: 180 miles (291 km)

Compare train with

Most popular
Train
Bus

€72

Average price

€33

Average price

Cheapest

4h 20m

Average total duration

Fastest

3h 50m

Onboard

+

30m

Additional time*

6h 33m

Average total duration

6h 3m

Onboard

+

30m

Additional time*

0.1 - 0.3kg

CO2 emissions

Lowest

0.3 - 0.7kg

CO2 emissions

Great Western Rail

Most popular train company

National Express

Most popular bus company

Direct Options

Direct Options

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

Live departures

Carmarthen to London train times

The table below shows live departures for Carmarthen to London trains for tomorrow, Friday, November 7. You can also manually refresh the results below to see updated train journeys.

Last updated at 7:53 PM
ProviderDepartsDurationArrivesTransfers
Tickets
transport_for_walesG56285+great_westernP08481
On time
8:31 AM Carmarthen station (CMN)
3h40
12:11 PM London Paddington (PAD)
1 transfer
great_westernP08483
On time
9:21 AM Carmarthen station (CMN)
3h49
1:10 PM London Paddington (PAD)
0 transfersDirect
transport_for_walesG56295+great_westernP08485
On time
10:31 AM Carmarthen station (CMN)
3h43
2:14 PM London Paddington (PAD)
1 transfer
great_westernP08487
On time
11:27 AM Carmarthen station (CMN)
3h45
3:12 PM London Paddington (PAD)
0 transfersDirect
transport_for_walesG56306+great_westernP08489
On time
12:34 PM Carmarthen station (CMN)
3h35
4:09 PM London Paddington (PAD)
1 transfer
transport_for_walesG55320+great_westernP08490
On time
12:58 PM Carmarthen station (CMN)
3h43
4:41 PM London Paddington (PAD)
1 transfer

This is the last train of the day.

Find all the dates and times for this journey

Compare prices and tickets Carmarthen to London 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.

Fri
Nov 07
Sat
Nov 08
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Thu
Nov 27

How far in advance should I book train tickets from Carmarthen to London?

The best time to book your train from Carmarthen to London is 7 days before departure. See how prices for trains change on the Carmarthen to London route.
Prices are for one-way tickets for one passenger from Carmarthen to London per month. Insights are sourced from fares found by Omio users in the last 12 months. Current prices may differ as prices vary depending on the time of day, class or how far in advance you book your train from Carmarthen to London.

Journey information

Overview: Train from Carmarthen to London

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Carmarthen to London run on average 6 times per day, taking around 3h 50m. Cheap train tickets for this journey start at $52 (€42) but you can travel from only $24 (€19) by bus.

There are 2 trains per day. The earliest train runs at 03:27, the last at 23:40. The fastest train covers the 180 miles (291 km) distance in 3h 37m.

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
Cheapest alternative travel mode
Bus from $24 (€19)
Distance
180 miles (291 km)
Average train duration
3h 50m
Cheapest ticket price
$52 (€42)
Trains per day
6
Direct trains
2
Fastest train
3h 37m
First train
03:27
Last train
23:40
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
Cheapest alternative travel mode
Bus from $24 (€19)

Train companies: Great Western Rail, Transport for Wales, first_great_western from Carmarthen to London trainsGreat Western Rail, Transport for Wales, first_great_western trains will get you between Carmarthen and London from $24 (€19). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.

Great Western Rail

About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Duration
3h 37m
Cheapest Price
$52 (€42)
Great Western Rail frequency
6 a day
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone

Transport for Wales

About
Transport for Wales is a public transport provider in Wales, UK. It operates a comprehensive network of trains, buses and ferries across the country. The trains are modern and comfortable, with a range of different types including InterCity Express Trains, Regional Trains, and Metro Trains. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. There are a variety of ticket types available, including single and return tickets, season tickets, and group tickets. The most popular routes include Cardiff to Swansea, Cardiff to Newport, and Cardiff to Manchester.
Luggage & cancellation policy
Average Duration
4h 14m
Cheapest Price
$98 (€79)
Transport for Wales frequency
2 a day
Luggage included
2 large items of luggage and 1 small hand luggage included
Luggage storage
Overhead racks, luggage areas at end of carriages, under seats
Cancellation Policy
Refund policy depends on ticket type
Refund
Full refund if service canceled
Amenities on board the train
Wifi
Food sold onboard
Trolley service on most routes with snacks and drinks. Some stations have cafes
Seat reservation
Seat reservations recommended but not mandatory. Free of charge when booking tickets
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets in carriers travel free. Dogs allowed with ticket (£5 per day). Guide dogs free
Quiet zone

first_great_western

Luggage & cancellation policy
Average Duration
3h 45m
Cheapest Price
$246 (€200)
first_great_western frequency
5 a day

FAQs: Trains from Carmarthen to London

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

FAQs
The train journey from Carmarthen to London offers scenic views, particularly as it passes through the rolling hills and countryside of South Wales and along sections of the Severn Estuary before reaching the more urban landscapes approaching London.
For a comprehensive experience of London's top attractions, cultural sites, and local neighborhoods, it is recommended to spend around 3 to 5 days in the city. This allows time to explore major landmarks such as the British Museum, Tower of London, and Buckingham Palace, as well as enjoy local markets and parks.
The distance by train from Carmarthen to London is 180 miles (291 km).
Train ticket prices from Carmarthen to London can vary. The cheapest ticket starts at $52 (€42), while the average price is around $89 (€72).
In London, you can enjoy panoramic views of the city from The London Eye, visit the vibrant West End Theatre District for high-quality shows, and explore Camden Market's eclectic mix of food, fashion, and crafts. A walk through Hyde Park offers beautiful landscapes and recreational activities, while art lovers can visit the Tate Modern. Don't miss The British Museum's vast collection of art and antiquities, the historic Tower of London with its Crown Jewels, and Buckingham Palace. Iconic landmarks like The Houses of Parliament and Big Ben, along with St. Paul's Cathedral, offer a glimpse into the city's rich history and architecture.
The train station in Carmarthen that goes to London is Carmarthen station (CMN), which connects to London Paddington (PAD).
The cheapest way to get from Carmarthen to London is by bus, with a cost of around $24 (€19).
A day trip from Carmarthen to London is not feasible as the journey takes 3h 37m each way. Trains run 6 times per day over a distance of 180 miles (291 km).
The first train from Carmarthen to London leaves at 3:27 AM.
There is no high speed train available from Carmarthen to London.
The train from Carmarthen to London takes 3h 37m and runs 6 per day.
Yes, you can take the train from Carmarthen to London.
The last train from Carmarthen to London leaves at 11:40 PM.
Yes, there is a direct train from Carmarthen to London. This service operates 2 times per day, provided by Great Western Rail, first_great_western.
Unfortunately, there is no night train available from Carmarthen to London.

popular train stations

Popular train stations from Carmarthen to London

Carmarthen
London
The major train station for departures in Carmarthen is Carmarthen. Find all the information you need to know about services, amenities and connections at Carmarthen for your trip from Carmarthen to London.
Amenities at train station
ShoppingShopping
ParkingParking
DiningDining
AccessibilityAccessibility
WCWC
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
information
phone
Phone Number
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Friday 06:45 - 18:00
Shopping
Shopping
  • Type of shops available: News agent
Parking
Parking
  • Car Park: Station Car Park
Accessibility
Accessibility
  • Staff help available: Yes
  • Step free access coverage: Yes
  • Step free access note: Category B1. Step free access is available to Platform 1. Platform 2 can be accessed via the ramp at the end of Platform 1 and across a foot crossing.
  • Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided
  • Accessible ticket machines: There are accessible ticket machines at this station
  • Accessible toilets: Yes
  • Ramp for train access: Yes
  • Wheelchairs available: Yes
  • Impaired mobility set down / pick up points available: No
WC
WC
  • Toilets Location: The toilets are located on Platform 1. The National key toilets are located on Platform 1; these toilets are operated by a radar key.
  • National key toilets: Yes
  • Baby changing facilities: No
Bike Parking
Bike Parking
  • Storage sheltered: No
  • Storage location: On Platform 1
  • Storage CCTV: Yes
Public transit options for Carmarthen
  • Location for Rail Replacement Services: Wait at the bus stop opposite the station entrance

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