4.9
4.6The cheapest and fastest trains from London to Carmarthen
- Cheapest price on Nov 01
- €81
- Average ticket price on Nov 01
- €82
- Fastest journey on Nov 01
- 4 h 12 m
- Average journey duration on Nov 01
- 4 h 20 m
- Trains on Nov 01
- 23
- 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 €82 if you buy it on the day, but the cheapest tickets can be found for only €81.
On Sun, Nov 01, we found 23 trains from London to Carmarthen, including 3 direct services.
On Sun, Nov 01 the direct trains cover the 291 km distance in an average of 4 h 20 m but if you time it right, some trains will get you there in just 4 h 12 m .
On Sun, Nov 01 the slowest trains will take 4 h 27 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.
C012288:57 AM 4h19 London Paddington (PAD) 1:16 PM Carmarthen station (CMN) €81 1 One-way 0 transfers- C01226
11:08 AM 4h12 London Paddington (PAD) 3:20 PM Carmarthen station (CMN) €81 1 One-way 0 transfers - C00183
1:08 PM 4h18 London Paddington (PAD) 5:26 PM Carmarthen station (CMN) €81 1 One-way 0 transfers 
F14504 · F14690+C012269:35 AM 5h45 London Paddington (PAD) 3:20 PM Carmarthen station (CMN) €82 1 One-way 2 transfers- F14692+C01226
9:33 AM 5h47 London Paddington (PAD) 3:20 PM Carmarthen station (CMN) €82 1 One-way 1 transfer
- C01226
11:08 AM 4h12 London Paddington (PAD) 3:20 PM Carmarthen station (CMN) €81 1 One-way 0 transfers - C00183
1:08 PM 4h18 London Paddington (PAD) 5:26 PM Carmarthen station (CMN) €81 1 One-way 0 transfers - C01228
8:57 AM 4h19 London Paddington (PAD) 1:16 PM Carmarthen station (CMN) €81 1 One-way 0 transfers - W34700 · C47980+
G389181:30 PM 4h24 London Paddington (PAD) 5:54 PM Carmarthen station (CMN) €83 1 One-way 2 transfers - C50042+G39517
3:08 PM 4h27 London Paddington (PAD) 7:35 PM Carmarthen station (CMN) €83 1 One-way 1 transfer
Journey information
Overview: Train from London to Carmarthen
United KingdomUnited Kingdom
Trains from London to Carmarthen run on average 29 times per day, taking around 4h 34m. Cheap train tickets for this journey start at €43 but you can travel from only €18 by bus.
There are 5 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 23m.
Distance 291 km |
Average train duration 4h 34m |
Cheapest ticket price €43 |
Trains per day 29 |
Direct trains 5 |
Fastest train 3h 23m |
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 |
Live departures
London to Carmarthen train times
The table below shows live departures for London to Carmarthen trains for tomorrow, Sunday, November 1. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| C50048+G38279 | 7:57 AM London Paddington (PAD) | 5h10 | 1:07 PM Carmarthen station (CMN) | 1 transfer | |
| C01228 | 8:57 AM London Paddington (PAD) | 4h19 | 1:16 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34677 · C50036+G38282 | 9:01 AM London Paddington (PAD) | 4h44 | 1:45 PM Carmarthen station (CMN) | 2 transfers | |
| C01227+G38447+F14692 | 9:33 AM London Paddington (PAD) | 5h18 | 2:51 PM Carmarthen station (CMN) | 2 transfers | |
| C01226+F14692 | 9:33 AM London Paddington (PAD) | 5h47 | 3:20 PM Carmarthen station (CMN) | 1 transfer | |
| C01226+F14690 · F14504 | 9:35 AM London Paddington (PAD) | 5h45 | 3:20 PM Carmarthen station (CMN) | 2 transfers | |
 G27572+ L79924 · L79351+C33095 | 9:40 AM London Victoria (VIC) | 7h46 | 5:26 PM Carmarthen station (CMN) | 4 transfers | |
| C01227+G38447 | 10:08 AM London Paddington (PAD) | 4h43 | 2:51 PM Carmarthen station (CMN) | 1 transfer | |
| C01226 | 11:08 AM London Paddington (PAD) | 4h12 | 3:20 PM Carmarthen station (CMN) | 0 transfersDirect | |
| C00183+F14681 · C37042 | 11:17 AM London Paddington (PAD) | 6h09 | 5:26 PM Carmarthen station (CMN) | 2 transfers | |
| G27421+L79374+C33097+G38847 | 11:20 AM London Victoria (VIC) | 8h41 | 8:01 PM Carmarthen station (CMN) | 3 transfers | |
| G27421+L80152 · L79368+W35001 | 11:20 AM London Victoria (VIC) | 6h34 | 5:54 PM Carmarthen station (CMN) | 4 transfers | |
| W34690 · C47979+G38844 | 11:30 AM London Paddington (PAD) | 4h29 | 3:59 PM Carmarthen station (CMN) | 2 transfers | |
| C00183 | 1:08 PM London Paddington (PAD) | 4h18 | 5:26 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34700 · C47980+G38918 | 1:30 PM London Paddington (PAD) | 4h24 | 5:54 PM Carmarthen station (CMN) | 2 transfers | |
| C50042+G39517 | 3:08 PM London Paddington (PAD) | 4h27 | 7:35 PM Carmarthen station (CMN) | 1 transfer | |
| C00805 · C47982+G38847 | 3:30 PM London Paddington (PAD) | 4h31 | 8:01 PM Carmarthen station (CMN) | 2 transfers | |
| C50043+G39530+F14686 | 3:32 PM London Paddington (PAD) | 6h20 | 9:52 PM Carmarthen station (CMN) | 2 transfers | |
| G27318+L79960 · L79419+C33099 | 3:33 PM London Victoria (VIC) | 8h07 | 11:40 PM Carmarthen station (CMN) | 4 transfers | |
| C50044+G39530 | 5:08 PM London Paddington (PAD) | 4h44 | 9:52 PM Carmarthen station (CMN) | 1 transfer | |
| C50045+G38936+F14701 | 5:32 PM London Paddington (PAD) | 6h08 | 11:40 PM Carmarthen station (CMN) | 2 transfers | |
| C50039+G38936+F14699 · C37300 | 5:36 PM London Paddington (PAD) | 6h04 | 11:40 PM Carmarthen station (CMN) | 3 transfers | |
| C50039+G38936 | 7:08 PM London Paddington (PAD) | 4h32 | 11:40 PM Carmarthen station (CMN) | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
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 South Western Railway to find the best option for your trip from London to Carmarthen.
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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 South Western Railway 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.
Train companies: Great Western Railway, Transport for Wales, South Western Railway from London to Carmarthen trainsGreat Western Railway, Transport for Wales, South Western Railway 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 Railway
Transport for Wales
South Western Railway
Companies, tickets, and onboard amenities between London and Carmarthen
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
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
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