.png){kind=small}
4.9
4.6The cheapest and fastest trains from London to Carmarthen
Cheapest price on Sep 17
€74
Average ticket price on Sep 17
€109
Fastest journey on Sep 17
3 h 33 m
Average journey duration on Sep 17
3 h 37 m
Trains on Sep 17
47
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 traveling at rush hour.
The average ticket from London to Carmarthen will cost around €109 if you buy it on the day, but the cheapest tickets can be found for only €74.
On Thu, Sep 17, we found 47 trains from London to Carmarthen, including 6 direct services.
On Thu, Sep 17 the direct trains cover the 291 km distance in an average of 3 h 37 m but if you time it right, some trains will get you there in just 3 h 33 m .
On Thu, Sep 17 the slowest trains will take 3 h 40 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.
W3541711:48 AM3h40London Paddington (PAD)3:28 PMCarmarthen station (CMN)€741One-way0 transfers- W354181:48 PM3h33London Paddington (PAD)5:21 PMCarmarthen station (CMN)€791One-way0 transfers
- W34706 · G15016 · W354193:00 PM4h55London Paddington (PAD)7:55 PMCarmarthen station (CMN)€801One-way2 transfers
L79334+G15007 · W354178:50 AM6h38London Waterloo (WAT)3:28 PMCarmarthen station (CMN)€801One-way2 transfers- W34646+
G388907:18 PM3h37London Paddington (PAD)10:55 PMCarmarthen station (CMN)€801One-way1 transfer
- W354181:48 PM3h33London Paddington (PAD)5:21 PMCarmarthen station (CMN)€791One-way0 transfers
- W354194:18 PM3h37London Paddington (PAD)7:55 PMCarmarthen station (CMN)€1091One-way0 transfers
- W34646+G388907:18 PM3h37London Paddington (PAD)10:55 PMCarmarthen station (CMN)€801One-way1 transfer
- G149389:48 AM3h38London Paddington (PAD)1:26 PMCarmarthen station (CMN)€1051One-way0 transfers
- W3541711:48 AM3h40London Paddington (PAD)3:28 PMCarmarthen station (CMN)€741One-way0 transfers
Travel Information
Compare train and bus 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 bus, with an average ticket price of €29 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 bus costs an average of €29, while a train costs an average of €77.
Distance: 291 km
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
€77 Average price | €29 Average price Cheapest | €78 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 bus is €48 less than a train for this route with tickets for a train from London to Carmarthen costing on average €77.
Other travel options to Carmarthen take longer:
Bus takes on average 5h 53m.
Live departures
London to Carmarthen train times
The table below shows live departures for London to Carmarthen trains for today, Wednesday, September 16. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| W35426+Y63426 | On time 9:48 PM London Paddington (PAD) | 3h51 | 1:39 AM Carmarthen station (CMN) | 1 transfer | |
| Thursday, September 17 | |||||
| G15004 · G14938+L79309 | 6:35 AM London Waterloo (WAT) | 6h51 | 1:26 PM Carmarthen station (CMN) | 2 transfers | |
| W35415+G38864 | 6:48 AM London Paddington (PAD) | 3h45 | 10:33 AM Carmarthen station (CMN) | 1 transfer | |
| W35415 | 6:48 AM London Paddington (PAD) | 3h53 | 10:41 AM Carmarthen station (CMN) | 0 transfersDirect | |
| G15519 · G15216 · G14938+L79315 | 7:10 AM London Waterloo (WAT) | 6h16 | 1:26 PM Carmarthen station (CMN) | 3 transfers | |
| G15005+G38873+L79315 | 7:10 AM London Waterloo (WAT) | 7h23 | 2:33 PM Carmarthen station (CMN) | 2 transfers | |
| G14933+Y62429 | 7:12 AM London Paddington (PAD) | 4h34 | 11:46 AM Carmarthen station (CMN) | 1 transfer | |
| G14934+Y62429 | 7:48 AM London Paddington (PAD) | 3h58 | 11:46 AM Carmarthen station (CMN) | 1 transfer | |
| L80059+G15005+G38873 | 7:50 AM London Waterloo (WAT) | 6h43 | 2:33 PM Carmarthen station (CMN) | 2 transfers | |
| G14935+G38868 | 8:18 AM London Paddington (PAD) | 4h21 | 12:39 PM Carmarthen station (CMN) | 1 transfer | |
| G14938+L80609 | 8:18 AM London Waterloo (WAT) | 5h08 | 1:26 PM Carmarthen station (CMN) | 1 transfer | |
| G15007 · W35417+L79329 | 8:20 AM London Waterloo (WAT) | 7h08 | 3:28 PM Carmarthen station (CMN) | 2 transfers | |
| G14954 · G15495 · G14938 | 8:30 AM London Paddington (PAD) | 4h56 | 1:26 PM Carmarthen station (CMN) | 2 transfers | |
| G14936+G38868 | 8:48 AM London Paddington (PAD) | 3h51 | 12:39 PM Carmarthen station (CMN) | 1 transfer | |
| W35417+L80618 | 8:48 AM London Waterloo (WAT) | 6h40 | 3:28 PM Carmarthen station (CMN) | 1 transfer | |
| G15007 · W35417+L79334 | 8:50 AM London Waterloo (WAT) | 6h38 | 3:28 PM Carmarthen station (CMN) | 2 transfers | |
| G14955 · G15005+G38873 | 9:00 AM London Paddington (PAD) | 5h33 | 2:33 PM Carmarthen station (CMN) | 2 transfers | |
 G14330+G14939 · W35417+L80636 | 9:16 AM London Victoria (VIC) | 6h12 | 3:28 PM Carmarthen station (CMN) | 3 transfers | |
| G14937 · G14938 | 9:18 AM London Paddington (PAD) | 4h08 | 1:26 PM Carmarthen station (CMN) | 1 transfer | |
| W35417+L80627 | 9:18 AM London Waterloo (WAT) | 6h10 | 3:28 PM Carmarthen station (CMN) | 1 transfer | |
| G14956 · G15496+G38873 | 9:30 AM London Paddington (PAD) | 5h03 | 2:33 PM Carmarthen station (CMN) | 2 transfers | |
| G26392+W35417+L80646 | 9:46 AM London Victoria (VIC) | 5h42 | 3:28 PM Carmarthen station (CMN) | 2 transfers | |
| G14938 | 9:48 AM London Paddington (PAD) | 3h38 | 1:26 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34618+G38873 | 10:48 AM London Paddington (PAD) | 3h45 | 2:33 PM Carmarthen station (CMN) | 1 transfer | |
| W34686 · G15009+G38877 | 11:00 AM London Paddington (PAD) | 5h32 | 4:32 PM Carmarthen station (CMN) | 2 transfers | |
| C93079+W34624 · W35418+L80664 | 11:08 AM London Victoria (VIC) | 6h13 | 5:21 PM Carmarthen station (CMN) | 3 transfers | |
| W34999+Y62419+L79363 · L79932 | 11:09 AM London Waterloo (WAT) | 6h49 | 5:58 PM Carmarthen station (CMN) | 3 transfers | |
| W35417 | 11:48 AM London Paddington (PAD) | 3h40 | 3:28 PM Carmarthen station (CMN) | 0 transfersDirect | |
| G27427+W35418+L80682 | 11:50 AM London Victoria (VIC) | 5h31 | 5:21 PM Carmarthen station (CMN) | 2 transfers | |
| W34624+G38877 | 12:48 PM London Paddington (PAD) | 3h44 | 4:32 PM Carmarthen station (CMN) | 1 transfer | |
| G14961 · W34999+Y62419 | 1:00 PM London Paddington (PAD) | 4h58 | 5:58 PM Carmarthen station (CMN) | 2 transfers | |
| G26198+W34630 · W35419+L80700 | 1:05 PM London Victoria (VIC) | 6h50 | 7:55 PM Carmarthen station (CMN) | 3 transfers | |
| G26198+G15016 · W35419+L79384 | 1:05 PM London Victoria (VIC) | 6h50 | 7:55 PM Carmarthen station (CMN) | 3 transfers | |
| W35418 | 1:48 PM London Paddington (PAD) | 3h33 | 5:21 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34630+G39495 | 2:48 PM London Paddington (PAD) | 3h41 | 6:29 PM Carmarthen station (CMN) | 1 transfer | |
| W34706 · G15016 · W35419 | 3:00 PM London Paddington (PAD) | 4h55 | 7:55 PM Carmarthen station (CMN) | 2 transfers | |
| G26214+W34637 · G14942+L80736 | 3:05 PM London Victoria (VIC) | 6h34 | 9:39 PM Carmarthen station (CMN) | 3 transfers | |
| W34634+Y62400 | 3:48 PM London Paddington (PAD) | 3h48 | 7:36 PM Carmarthen station (CMN) | 1 transfer | |
| W35419 | 4:18 PM London Paddington (PAD) | 3h37 | 7:55 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34637+G38885 | 4:48 PM London Paddington (PAD) | 3h42 | 8:30 PM Carmarthen station (CMN) | 1 transfer | |
| G15021+G38890+L79424 | 4:50 PM London Waterloo (WAT) | 6h05 | 10:55 PM Carmarthen station (CMN) | 2 transfers | |
| G15023+Y62924+L79428 | 5:23 PM London Waterloo (WAT) | 6h43 | 12:06 AM Carmarthen station (CMN) | 2 transfers | |
| G15023+Y62924+L80164 · L79433 | 5:35 PM London Waterloo (WAT) | 6h31 | 12:06 AM Carmarthen station (CMN) | 3 transfers | |
| G14942 | 5:48 PM London Paddington (PAD) | 3h51 | 9:39 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34646+G38890 | 7:18 PM London Paddington (PAD) | 3h37 | 10:55 PM Carmarthen station (CMN) | 1 transfer | |
| W34648+G39501 | 7:48 PM London Paddington (PAD) | 3h43 | 11:31 PM Carmarthen station (CMN) | 1 transfer | |
| G14945+G39505 | 8:48 PM London Paddington (PAD) | 3h49 | 12:37 AM Carmarthen station (CMN) | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets London to Carmarthen 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.
Sep 17
Sep 18
Sep 19
Sep 20
Sep 21
Sep 22
Sep 23
Sep 24
Sep 25
Sep 26
Sep 27
Sep 28
Sep 29
Sep 30
Oct 01
Oct 02
Oct 03
Oct 04
Oct 05
Oct 06
Oct 07
Why should you book London to Carmarthen trains with Omio?
Why book with Omio vs Great Western Railway?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Railway, but also compare tickets for the likes of Transport for Wales or Great Western Railway (GWR) to find the best option for your trip from London to Carmarthen.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are train and bus to ensure you get the best deal for traveling from London to Carmarthen.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Transport for Wales or Great Western Railway (GWR) to find the best option for your trip from London to Carmarthen.
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from London to Carmarthen.
Journey information
Overview: Train from London to Carmarthen
United KingdomUnited Kingdom
Trains from London to Carmarthen run on average 7 times per day, taking around 3h 55m. Cheap train tickets for this journey start at €39 but you can travel from only €19 by bus.
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 €39 |
Trains per day 7 |
Direct trains 3 |
Fastest train 3h 35m |
First train 3:27 AM |
Last train 10:49 PM |
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 |
Train companies: Great Western Railway, Transport for Wales, Great Western Railway (GWR) from London to Carmarthen trainsGreat Western Railway, Transport for Wales, Great Western Railway (GWR) trains will get you between London and Carmarthen from €19. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
Transport for Wales
Great Western Railway (GWR)
FAQs: Trains from London to 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.
popular train stations
Popular train stations from London to Carmarthen
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.
Getting to London Paddington from London city centre
London Paddington 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 and drink
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
Wi-Fi and ATMs
Free Wi-Fi in the station. ATMs are located next to the ticket office.
Tickets and information
The ticket office is open 24/7. Information desks are located near Platform 1.
Luggage and lost property
Luggage storage is luggage lockers are located near the taxi stand beside Platform 11. . Lost and found is available at the station.
Parking, taxis and toilets
Available at London Paddington: Parking, Taxis, WC.
Bike and car services
Available at London Paddington: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at London Paddington: Wheelchair access, escalators, elevators.
Shops, hotels and contact
Nearby hotels include Hilton London Paddington, Mercure London Paddington Hotel, The Pilgrm.
Getting to London Victoria from London city centre
London Victoria is 1 km from London city centre. Public transport options include:
London Victoria train station facilities and services
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
Food and drink options are available at London Victoria.
Wi-Fi and ATMs
Wi-Fi is available at London Victoria. ATMs are available at London Victoria.
Tickets and information
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.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at London Victoria: Parking, WC.
Bike and car services
Available at London Victoria: Bike Parking, Bike Rental.
Accessibility
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.
Getting to London Waterloo from London city centre
London Waterloo is 1 km from London city centre. Public transport options include:
London Waterloo train station facilities and services
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
Food and drink options are available at London Waterloo.
Wi-Fi and ATMs
Wi-Fi is available at London Waterloo. ATMs are available at London Waterloo.
Tickets and information
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.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at London Waterloo: Parking, WC.
Bike and car services
Available at London Waterloo: Bike Parking, Bike Rental, Car Rental.
Accessibility
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.
Which Carmarthen station do trains from London arrive at?
Getting to Carmarthen from Carmarthen city centre
Carmarthen train station facilities and services
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
Food and drink options are available at Carmarthen.
Tickets and information
Ticket office support is available at Carmarthen.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Carmarthen: Parking, WC.
Bike and car services
Available at Carmarthen: Bike Parking, Bike Rental.
Accessibility
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.
More options for your journey from London to Carmarthen
Here are some other resources that might have the information you need
Most popular trains to and from Carmarthen and London
Most popular train connections to Carmarthen
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.
