- Must visit
Carmarthenshire Museum
The county museum in a former bishop’s palace, covering Roman finds, local history and changing displays in an atmospheric setting.
Cheapest price on 05 Sept
£62
Average ticket price on 05 Sept
£71
Fastest journey on 05 Sept
3 h 47 m
Average journey duration on 05 Sept
3 h 49 m
Trains on 05 Sept
32
Distance
291 km
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 £71 if you buy it on the day, but you can find cheap train tickets today for only £62.
On Sat 05 Sept, we found 32 trains from London to Carmarthen, including 6 direct services.
These direct trains cover the 291 km distance in an average of 3 h 49 m but if you time it right, some trains will get you there in just 3 h 47 m .
The slowest trains will take 3 h 52 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.
W34605
C42178
C42174
C42175
W34625
W34605
C42175
C42174
W34625
W34631Omio 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 an average ticket price of £26 For those with little time, consider booking a train, which has an average total journey time of 4h 25m. 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 £26, while a train costs an average of £69.
Distance: 291 km
Most popular Train | Coach | Driving |
|---|---|---|
£69 Average Price | £26 Average Price Cheapest | £70 Average Price (fuel + tolls) |
4h 25m Average total duration Fastest 3h 55m Onboard + 30m Additional time* | 6h 23m Average total duration 5h 53m Onboard + 30m Additional time* | 3h 57m Average total duration (door-to-door) |
0.1 - 0.3kg CO2 emissions Lowest | 0.3 - 0.7kg CO2 emissions | - CO2 emissions |
![]() Most popular train company | ![]() Most popular bus 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 London to Carmarthen:
A coach is £43 less than a train for this route with tickets for a train from London to Carmarthen costing on average £69.
Other travel options to Carmarthen take longer:
Coach takes on average 5h 53m.
The journey is about 2m faster (3h 55m by train vs 3h 57m by car) and roughly £0.50 cheaper once you factor in fuel and tolls (£69 vs £70). You'll also arrive in the city centre rather than hunting for parking, and you can work, read, or watch the landscape go by instead of concentrating on the road.
Direct services run with Great Western Railway, Great Western Railway (GWR).
Driving is still worth considering if you want to stop along the way or need a car once you arrive.
The table below shows live departures for London to Carmarthen trains for today, Friday 4 September. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
W34630+ G39495 | Delayed 13:48 14:48London Paddington (PAD) | 3h41 | 17:30 17:30Carmarthen station (CMN) | 1 change | |
| Saturday 5 September | |||||
W34605 | 6:38 London Paddington (PAD) | 3h47 | 10:25 Carmarthen station (CMN) | 0 changesdirect | |
W34609+ G38291 | 7:38 London Paddington (PAD) | 4h12 | 11:50 Carmarthen station (CMN) | 1 change | |
C42174 | 8:38 London Paddington (PAD) | 3h49 | 12:27 Carmarthen station (CMN) | 0 changesdirect | |
W34676 · C42257+ G38296 | 8:53 London Paddington (PAD) | 4h56 | 13:49 Carmarthen station (CMN) | 2 changes | |
L80629+ C42175 | 9:18 London Waterloo (WAT) | 5h08 | 14:26 Carmarthen station (CMN) | 1 change | |
W34679 · C42701 · C42175 | 9:21 London Paddington (PAD) | 5h05 | 14:26 Carmarthen station (CMN) | 2 changes | |
L79345+ C42260+ G38301+ G27837 | 9:36 London Victoria (VIC) | 6h12 | 15:48 Carmarthen station (CMN) | 3 changes | |
W34615+ G38296 | 9:38 London Paddington (PAD) | 4h11 | 13:49 Carmarthen station (CMN) | 1 change | |
C42175 | 10:38 London Paddington (PAD) | 3h48 | 14:26 Carmarthen station (CMN) | 0 changesdirect | |
L80657+ W34625 | 10:48 London Waterloo (WAT) | 5h39 | 16:27 Carmarthen station (CMN) | 1 change | |
W34687 · C42260+ G38301 | 10:53 London Paddington (PAD) | 4h55 | 15:48 Carmarthen station (CMN) | 2 changes | |
L80666+ W34625+ C93080 | 11:08 London Victoria (VIC) | 5h19 | 16:27 Carmarthen station (CMN) | 2 changes | |
L79933 · L79361+ C42263+ G38304 | 11:09 London Waterloo (WAT) | 6h44 | 17:53 Carmarthen station (CMN) | 3 changes | |
W34621+ G38301 | 11:38 London Paddington (PAD) | 4h10 | 15:48 Carmarthen station (CMN) | 1 change | |
W34625 | 12:38 London Paddington (PAD) | 3h49 | 16:27 Carmarthen station (CMN) | 0 changesdirect | |
L80693+ W34631 | 12:48 London Waterloo (WAT) | 5h42 | 18:30 Carmarthen station (CMN) | 1 change | |
L80702+ W34631+ G27439 | 12:50 London Victoria (VIC) | 5h40 | 18:30 Carmarthen station (CMN) | 2 changes | |
C42176+ G38304 | 13:38 London Paddington (PAD) | 4h15 | 17:53 Carmarthen station (CMN) | 1 change | |
W34702 · W35006+ G38308 | 13:53 London Paddington (PAD) | 5h43 | 19:36 Carmarthen station (CMN) | 2 changes | |
Q26581+ C42178 | 14:18 London Waterloo (WAT) | 6h46 | 21:04 Carmarthen station (CMN) | 1 change | |
L79401+ C42268 · C42178+ G27455 | 14:20 London Victoria (VIC) | 6h44 | 21:04 Carmarthen station (CMN) | 3 changes | |
L80729+ W34636 · C42178+ G27455 | 14:20 London Victoria (VIC) | 6h44 | 21:04 Carmarthen station (CMN) | 3 changes | |
W34631 | 14:38 London Paddington (PAD) | 3h52 | 18:30 Carmarthen station (CMN) | 0 changesdirect | |
W34635+ G38308 | 15:38 London Paddington (PAD) | 3h58 | 19:36 Carmarthen station (CMN) | 1 change | |
L80747+ C42178 | 15:48 London Waterloo (WAT) | 5h16 | 21:04 Carmarthen station (CMN) | 1 change | |
L80295 · L79418+ C42272+ G27470 | 15:50 London Victoria (VIC) | 7h04 | 22:54 Carmarthen station (CMN) | 4 changes | |
W35420+ G38884 | 16:38 London Paddington (PAD) | 3h53 | 20:31 Carmarthen station (CMN) | 1 change | |
C42178 | 17:08 London Paddington (PAD) | 3h56 | 21:04 Carmarthen station (CMN) | 0 changesdirect | |
W34641+ G39500 | 17:38 London Paddington (PAD) | 4h04 | 21:42 Carmarthen station (CMN) | 1 change | |
C42180+ G38888 | 18:38 London Paddington (PAD) | 4h16 | 22:54 Carmarthen station (CMN) | 1 change | |
C42181+ G39502 | 19:38 London Paddington (PAD) | 3h52 | 23:30 Carmarthen station (CMN) | 1 change | |
W34650+ G39504 | 20:38 London Paddington (PAD) | 4h22 | 1:00 Carmarthen station (CMN) | 1 change | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
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.
Trains from London to Carmarthen run on average 7 times per day, taking around 3h 55m. Cheap train tickets for this journey start at £35 but you can travel from only £17 by coach.
There are 3 trains per day. The earliest train runs at 03:27, the last at 22:49. The fastest train covers the 291 km distance in 3h 35m.
Distance 291 km |
Average train duration 3h 55m |
Cheapest ticket price £35 |
Trains per day 7 |
Direct trains 3 |
Fastest train 3h 35m |
First train 3:27 |
Last train 22:49 |
Cheapest Month Mar |
Cheapest Day Thu |
High Season Jan - Mar |
Low Season Apr - Jun |
Busiest Day Fri |
Least Busy Day Tue |
Best time to book 35 days |
Discover the best of Carmarthen — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Carmarthen trip today.
The county museum in a former bishop’s palace, covering Roman finds, local history and changing displays in an atmospheric setting.
Small museum on the old Roman amphitheatre site, introducing Roman Moridunum and the archaeology of early Carmarthen.
Museum telling the story of Dylan Thomas and his family in a restored chapel, with exhibits on writing, broadcasting and local roots.
Large public park with formal gardens, play areas, riverside walks and a hilltop monument, ideal for a relaxed break near the centre.
Historic market quarter with independent shops, old arcades and everyday town life, good for browsing and seeing central Carmarthen on foot.
Riverside green space and woodland paths beside the Towy, popular for walking, wildlife watching and easy access from the town centre.
Traditional Welsh broth made with lamb or beef, root vegetables and leeks. A staple of rural west Wales, valued for its hearty, slow-cooked flavour.
A rich fruit loaf or tea bread with dried fruit and spices, commonly sliced and served with butter. Long associated with Welsh baking and teatime.
Small oatcakes cooked on a bakestone, often split and toasted with butter or cheese. A traditional Welsh breakfast and teatime bread.
Popular casual restaurant known for burgers, brunch and modern comfort food in a lively town-centre setting.
Stylish restaurant and bar serving modern British dishes, cocktails and varied seasonal plates in an elegant atmosphere.
Well-known traditional pub with classic Welsh and British meals, local ales and a relaxed historic setting.
Moderate for the UK. Hotels and dining are usually cheaper than in Cardiff or London, while local transport and everyday costs stay fairly manageable for visitors.
Tipping is modest. In restaurants, 10-12.5% is appreciated if service is not included. Round up taxi fares, and tipping in cafés is optional.
Official public transport app
Carmarthen Railway Station, Carmarthen -> Carmarthen Bus Station, Carmarthen
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.

Most London to Carmarthen trains use the London Paddington to Carmarthen station pair. Use this guide to compare London and Carmarthen train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
London Paddington has practical services for this route, including Wifi, Lockers, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental and Information Desk.
Food options include: Wasabi, The Beer House, Barburrito, Upper Crust, The Mad Bishop & Bear (Fullers), The Pasty Shop, Burger King, Pret a Manger, The Savanna, Soboro Bakery, & more
Free Wi-Fi in the station. ATMs are located next to the ticket office.
The ticket office is open 24/7. Information desks are located near Platform 1.
Luggage storage is luggage lockers are located near the taxi stand beside Platform 11. . Lost and found is available at the station.
Available at London Paddington: Parking, Taxis, WC.
Available at London Paddington: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at London Paddington: Wheelchair access, escalators, elevators.
Nearby hotels include Hilton London Paddington, Mercure London Paddington Hotel, The Pilgrm.
London Victoria is 1 km from London city centre. Public transport options include:
London Victoria has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Information Desk.
Food and drink options are available at London Victoria.
Wi-Fi is available at London Victoria. ATMs are available at London Victoria.
Ticket office support is available at London Victoria. Information desks are information available from staff: Yes - from help point, Passenger Information Systems: Departure screens, Announcements, Arrival screens.
Lost and found is available at the station.
Available at London Victoria: Parking, WC.
Available at London Victoria: Bike Parking, Bike Rental.
Accessibility facilities are available at London Victoria: Staff help available: Yes, Step free access coverage: Yes, Step free access note: There is step free access at London Victoria Rail Station to the Victoria Line on the Underground. This can be accessed via the Cardinal Place entrance to the underground, Accessible car park equipment: Wheelchair users may require assistance using car park equipment at this station, Accessible public telephones: Main concourse, Accessible taxis: Available on request Taxi rank outside main station entrance, Accessible ticket machines: There are no accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Wheelchairs available open hours: Monday - Sunday 24 Hours a Day, Impaired mobility set down / pick up points available: Yes.
London Waterloo is 1 km from London city centre. Public transport options include:
London Waterloo has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental and Information Desk.
Food and drink options are available at London Waterloo.
Wi-Fi is available at London Waterloo. ATMs are available at London Waterloo.
Ticket office support is available at London Waterloo. Information desks are information available from staff: Yes - from help point,Yes - from information point,Yes - from ticket office, Passenger Information Systems: Departure screens, Announcements, Arrival screens.
Lost and found is available at the station.
Available at London Waterloo: Parking, WC.
Available at London Waterloo: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at London Waterloo: Staff help available: Yes, Step free access coverage: Yes, Step free access note: There is step free access from the main concourse to all platforms, shops and facilities. Step free exits are exit 1 (Station approach), exit 2 (with a lift to Waterloo Road and lift access to the London Underground Jubilee line), and exit 3 for taxis and onward travel towards the South Bank, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible taxis: Accessible taxis are available from the taxi rank on Cab Road / Station Approach, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: Ticket machines are located at various locations on the main concourse and are accessible to wheelchair users, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: Yes.
Carmarthen has practical services for this route, including Shopping, Parking, Dining, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking and Bike Rental.
Food and drink options are available at Carmarthen.
Ticket office support is available at Carmarthen.
Lost and found is available at the station.
Available at Carmarthen: Parking, WC.
Available at Carmarthen: Bike Parking, Bike Rental.
Accessibility facilities are available at Carmarthen: 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.
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