London to Carmarthen train with Great Western Rail

Fri 05 Dec
+ Add return
Great Western Rail
first_great_western
Avanti West Coast
Deutsche Bahn
Regionale
1,000+ travel companies
Great Western Rail
first_great_western
Avanti West Coast
Deutsche Bahn
Regionale
1,000+ travel companies
QR-Code
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest trains from London to Carmarthen

Showing times and prices for 05 Dec

Cheapest price

£71

Average price

£92

Fastest journey

3 h 33 m

Average duration

3 h 40 m

Trains per day

6

Distance

291 km

Cheap tickets

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

The average ticket from London to Carmarthen will cost around £92 if you buy it on the day, but you can find cheap train tickets today for only £71.

Fast trains

Of the 6 trains that leave London for Carmarthen every day 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

These direct trains cover the 291 km distance in an average of 3 h 40 m but if you time it right, some trains will get you there in just 3 h 33 m .

The slowest trains will take 3 h 44 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 RailP08243
11:483h40
London Paddington (PAD)
15:28Carmarthen station (CMN)
£711One-way
0 changes
Great Western RailP08247
13:483h33
London Paddington (PAD)
17:21Carmarthen station (CMN)
£711One-way
0 changes
Great Western RailP08241+Transport for WalesG55962
10:483h44
London Paddington (PAD)
14:32Carmarthen station (CMN)
£721One-way
1 change
Great Western RailP08245+Transport for WalesG55966
12:483h44
London Paddington (PAD)
16:32Carmarthen station (CMN)
£721One-way
1 change
Great Western RailP08239
09:483h40
London Paddington (PAD)
13:28Carmarthen station (CMN)
£991One-way
0 changes

Travel Information

Compare train and coach 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 coach with prices starting from £18. For those with little time consider booking a train which can get you there in 3h 45m. 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 coach costs an average of £18, and a train costs an average of £39.

Distance: 291 km

Compare train with

Most popular
Train
Coach

£68

Average Price

£32

Average Price

Cheapest

4h 15m

Average total duration

Fastest

3h 45m

Onboard

+

30m

Additional time*

6h 10m

Average total duration

5h 40m

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

London to Carmarthen train times

The table below shows live departures for London to Carmarthen trains for today, Thursday 4 December. You can also manually refresh the results below to see updated train journeys.

Last updated at 15:48
ProviderDepartsDurationArrivesChanges
Tickets
great_westernP08252
On time
16:18 London Paddington (PAD)
3h42
20:00 Carmarthen station (CMN)
0 changesdirect
great_westernP08253+transport_for_walesG55974
On time
16:48 London Paddington (PAD)
3h44
20:32 Carmarthen station (CMN)
1 change
great_westernP08255
On time
17:48 London Paddington (PAD)
3h52
21:40 Carmarthen station (CMN)
0 changesdirect
great_westernP08258+transport_for_walesG55978
On time
19:18 London Paddington (PAD)
3h41
22:59 Carmarthen station (CMN)
1 change
Friday 5 December
great_westernP08237+transport_for_walesG55958
On time
08:48 London Paddington (PAD)
3h45
12:33 Carmarthen station (CMN)
1 change
great_westernP08239
On time
09:48 London Paddington (PAD)
3h40
13:28 Carmarthen station (CMN)
0 changesdirect
great_westernP08241+transport_for_walesG55962
On time
10:48 London Paddington (PAD)
3h44
14:32 Carmarthen station (CMN)
1 change
great_westernP08243
On time
11:48 London Paddington (PAD)
3h40
15:28 Carmarthen station (CMN)
0 changesdirect
great_westernP08245+transport_for_walesG55966
On time
12:48 London Paddington (PAD)
3h44
16:32 Carmarthen station (CMN)
1 change
great_westernP08247
On time
13:48 London Paddington (PAD)
3h33
17:21 Carmarthen station (CMN)
0 changesdirect

Find all the dates and times for this journey

Compare prices and tickets London to Carmarthen by train or coach

Compare train and coach 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
05 Dec
Sat
06 Dec
Sun
07 Dec
Mon
08 Dec
Tue
09 Dec
Wed
10 Dec
Thu
11 Dec
Fri
12 Dec
Sat
13 Dec
Sun
14 Dec
Mon
15 Dec
Tue
16 Dec
Wed
17 Dec
Thu
18 Dec
Fri
19 Dec
Sat
20 Dec
Sun
21 Dec
Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec

Journey information

Overview: Train from London to Carmarthen

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from London to Carmarthen run on average 6 times per day, taking around 3h 45m. Cheap train tickets for this journey start at £39 but you can travel from only £18 by coach.

There are 2 trains per day. The earliest train runs at 03:27, the last at 23:40. The fastest train covers the 291 km distance in 3h 33m.

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
Coach from £18
Distance
291 km
Average train duration
3h 45m
Cheapest ticket price
£39
Trains per day
6
Direct trains
2
Fastest train
3h 33m
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
Coach from £18

Train companies: Great Western Rail, first_great_western from London to Carmarthen trainsGreat Western Rail, first_great_western trains will get you between London and Carmarthen from £18. 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 33m
Cheapest Price
£59
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

first_great_western

Luggage & cancellation policy
Average Duration
3h 33m
Cheapest Price
£179
first_great_western frequency
12 a day

FAQs: London to Carmarthen train

Find answers to the most common questions about traveling from London to Carmarthen 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 Carmarthen, this guide helps you travel smarter and with confidence.

FAQs
Spending two to three days in Carmarthen allows visitors to explore its historic sites, enjoy local markets, and take in the surrounding natural beauty, such as the Brecon Beacons and coastal areas.
A day trip from London to Carmarthen is not feasible as the journey duration is 3h 33m. However, there are 6 train services available per day for this route.
The cost of a train ticket from London to Carmarthen can vary. The cheapest tickets are usually available from £39, while the average price tends to be around £68.
The train journey from London to Carmarthen offers scenic views, especially as it travels through the picturesque countryside of Wales, featuring rolling hills, lush landscapes, and charming villages.
The cheapest way to get from London to Carmarthen is by coach, costing approximately £18.
The train distance from London to Carmarthen is 291 km.
Booking trains from London to Carmarthen in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The last train from London to Carmarthen departs at 23:40.
Yes, there is a direct train between London and Carmarthen. The service operates 2 times per day, provided by Great Western Rail, first_great_western.
The train journey from London to Carmarthen covers a distance of 291 km and takes approximately 3h 33m. Trains run 6 per day.
There is no night train service from London to Carmarthen.
The train station in London that goes to Carmarthen is London Paddington (PAD), and it arrives at Carmarthen station (CMN).
The first train from London to Carmarthen leaves at 3:27.
Trains from London to Carmarthen run approximately 6 times per day.
Currently, there is no high-speed train service from London to Carmarthen.
Yes, you can take the train from London to Carmarthen.
To get from London to Carmarthen, you can choose from several travel options including train and coach.

popular train stations

Important Stations and Airports in London and Carmarthen

London
Carmarthen
The major train station for departures in London is Acton Main Line. Find all the information you need to know about services, amenities and connections at Acton Main Line for your trip from London to Carmarthen.
Amenities at train station
ParkingParking
DiningDining
AccessibilityAccessibility
WCWC
HotelHotel
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Information DeskInformation Desk
information
phone
Phone Number
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Friday 06:40 - 10:40 Saturday 08:00 - 15:15 Sunday Closed
ticketOfficeHours
Distance to city center
9 km
Parking
Parking
  • Car Park: No
Accessibility
Accessibility
  • Staff help available: Yes
  • Step free access coverage: Yes
  • Step free access note: Accessibility Category A. This station has step-free access to all platforms. Staff ramp assistance is always available. Accessible seating is available on platforms 3&4.
  • Accessible ticket machines: There are accessible ticket machines at this station
  • Accessible ticket machines note: Accessible ticket machines are located in the stations ticket hall.
  • Accessible toilets: Yes
  • Ramp for train access: Yes
  • Wheelchairs available: Yes
  • Wheelchairs available open hours: Staff are available to assist from the first to last train.
  • Impaired mobility set down / pick up points available: No
WC
WC
  • Toilets Location: On the paid side of the barrier in the stations ticket hall.
  • National key toilets: Yes
  • National key toilets location: An accessible toilet is located in the ticket hall on the paid side of the barrier. This toilet is operated with a radar key.
  • Baby changing facilities: No
Information Desk
Information Desk
  • Information available from staff: Yes - from help point,Yes - from ticket office
  • Helpline Contact: 0343 222 1234
  • Passenger Information Systems: Departure screens, Announcements
Public transport options for Acton Main Line
  • Location for Rail Replacement Services: No rail replacement bus services operate from this station.
Amenities at train station
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
information
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Friday 06:15 - 13:0015:15 - 19:20 Saturday 08:45 - 15:45 Sunday Closed
ticketOfficeHours
Distance to city center
9 km
Parking
Parking
  • Car Park: No
Taxis
Taxis
  • Taxi: YES
  • Accessible taxis: Yes
Accessibility
Accessibility
  • Staff help available: Yes
  • Step free access coverage: No
  • Step free access note: This is a Category C station: This station does not have step-free access. Assistance Meeting Point is in the Ticket Hall next to the taxi office.
  • Accessible taxis: Yes
  • Accessible ticket machines: There are accessible ticket machines at this station
  • Accessible ticket machines note: All Great Northern ticket machines are able to sell tickets with Disabled Persons Railcard discounts. Ticket machines are of an accessible design, however their location and the station itself may not be so please check the station access note for further details
  • Ramp for train access: No
  • Wheelchairs available: No
  • Impaired mobility set down / pick up points available: No
Lounge
Lounge
  • Waiting rooms location: A heated waiting room is available on platforms 3 & 4
Bike Parking
Bike Parking
  • Storage location: Inside booking office, and opposite booking office
  • Storage CCTV: Yes
Amenities at train station
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
information
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Friday 06:15 - 21:30 Saturday 06:15 - 21:30 Sunday 07:15 - 21:30
ticketOfficeHours
Distance to city center
5 km
Parking
Parking
  • Car Park: No
Accessibility
Accessibility
  • Staff help available: Yes
  • Step free access coverage: Yes
  • Step free access note: Step free access available through Brighton Yard entrance to all platforms via lifts. Step free access available through Grant Road entrance to platform 1 and 2 via lifts
  • Accessible ticket machines: There are accessible ticket machines at this station
  • Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details
  • Accessible toilets: Yes
  • Ramp for train access: Yes
  • Wheelchairs available: Yes
  • Impaired mobility set down / pick up points available: Yes
WC
WC
  • Toilets Location: The toilets are located next to the Brighton Yard entrance gateline. The National key toilets are located next to the Brighton Yard entrance gateline; these toilets are operated by a radar key. A radar key is available from station staff upon request. A 'National Key Scheme' key [RADAR] can be purchased by contacting the following. Address: 12 City Forum, 250 City Road, London, EC1V 8AF. Tel: 020 7250 3222. Minicom: 020 7250 4119. Fax: 020 7250 0212. Email: [email protected]
  • National key toilets: Yes
  • Baby changing facilities: Yes
Lounge
Lounge
  • Waiting rooms location: Waiting rooms are on platforms 1, 9/10 and 13/14
Bike Parking
Bike Parking
  • Storage sheltered: Yes
  • Storage location: Brighton Yard side of the station.
  • Storage CCTV: Yes
Public transport options for Clapham Junction
  • Location for Rail Replacement Services: Through services: Grant Road Bus Stop A All arrivals (except via Wandsworth Town): St Johns Hill Bus Stop C Arrivals via Wandsworth Town: Grant Road Bus Stop R

More options for your journey from London to Carmarthen

Here are some other resources that might have the information you need

HomeTrainsTrain Times to Carmarthen London to Carmarthen train

The Omio App Makes Travel Planning Easy

We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.

ios-badge
android-badge
Hand With Phone