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The cheapest and fastest trains from Carmarthen to London
Showing times and prices for 20 Jan
Cheapest price
£62
Average price
£69
Fastest journey
3 h 39 m
Average duration
3 h 43 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 travelling at rush hour.
The average ticket from Carmarthen to London will cost around £69 if you buy it on the day, but you can find cheap train tickets today for only £62.
Fast trains
Of the 6 trains that leave Carmarthen for London every day 2 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 43 m but if you time it right, some trains will get you there in just 3 h 39 m .
The slowest trains will take 3 h 46 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.
P2280511:273h45
Carmarthen station (CMN)15:12London Paddington (PAD)
£621One-way
0 changes
P2280109:213h49
Carmarthen station (CMN)13:10London Paddington (PAD)
£671One-way
0 changes
L64996+P2279908:293h42
Carmarthen station (CMN)12:11London Paddington (PAD)
£721One-way
1 change
L65006+P2280310:303h42
Carmarthen station (CMN)14:12London Paddington (PAD)
£721One-way
1 change
L65016+P2280712:303h39
Carmarthen station (CMN)16:09London Paddington (PAD)
£721One-way
1 change
L65016+P2280712:303h39
Carmarthen station (CMN)16:09London Paddington (PAD)
£721One-way
1 change
L64996+P2279908:293h42
Carmarthen station (CMN)12:11London Paddington (PAD)
£721One-way
1 change
L65006+P2280310:303h42
Carmarthen station (CMN)14:12London Paddington (PAD)
£721One-way
1 change
P2280511:273h45
Carmarthen station (CMN)15:12London Paddington (PAD)
£621One-way
0 changes
L64105+P2280812:573h46
Carmarthen station (CMN)16:43London Paddington (PAD)
£721One-way
1 change
Travel Information
Compare train and coach 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 coach with prices starting from £18. 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 coach costs an average of £18, and a train costs an average of £39.
Distance: 291 km
Compare train with
Most popular Train | Coach |
|---|---|
£66 Average Price | £30 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 |
Most popular train company |  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 today, Monday 19 January. You can also manually refresh the results below to see updated train journeys.
Last updated at 02:06
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
| L64996+P22799 | On time 08:29 Carmarthen station (CMN) | 3h42 | 12:11 London Paddington (PAD) | 1 change | |
| P22801 | On time 09:21 Carmarthen station (CMN) | 3h49 | 13:10 London Paddington (PAD) | 0 changesdirect | |
| L65006+P22803 | On time 10:30 Carmarthen station (CMN) | 3h42 | 14:12 London Paddington (PAD) | 1 change | |
| P22805 | On time 11:27 Carmarthen station (CMN) | 3h45 | 15:12 London Paddington (PAD) | 0 changesdirect | |
| L65016+P22807 | On time 12:30 Carmarthen station (CMN) | 3h39 | 16:09 London Paddington (PAD) | 1 change | |
| L64105+P22808 | On time 12:57 Carmarthen station (CMN) | 3h46 | 16:43 London Paddington (PAD) | 1 change | |
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 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.
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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.
Trains
from £61Journey information
Overview: Train from Carmarthen to London
United KingdomUnited Kingdom
Trains from Carmarthen to London run on average 6 times per day, taking around 3h 50m. 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 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
Coach from £18
Distance 291 km |
Average train duration 3h 50m |
Cheapest ticket price £39 |
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
Coach from £18
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 £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 37m
Cheapest Price
£38
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
£72
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
£182
first_great_western frequency
5 a day
FAQs: Carmarthen to London train
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.
The cost of a train ticket from Carmarthen to London can vary. The cheapest tickets are usually available from £39, while the average price tends to be around £66.
The train journey from Carmarthen to London covers a distance of 291 km and takes approximately 3h 37m. Trains run 6 per day.
The train distance from Carmarthen to London is 291 km.
The first train from Carmarthen to London leaves at 3:27.
The last train from Carmarthen to London departs at 23:40.
Trains from Carmarthen to London run approximately 6 times per day.
Currently, there is no high-speed train service from Carmarthen to London.
Yes, there is a direct train between Carmarthen and London. The service operates 2 times per day, provided by Great Western Rail, first_great_western.
To get from Carmarthen to London, you can choose from several travel options including train and coach.
There is no night train service from Carmarthen to London.
The train station in Carmarthen that goes to London is Carmarthen station (CMN), and it arrives at London Paddington (PAD).
The cheapest way to get from Carmarthen to London is by coach, costing approximately £18.
Booking trains from Carmarthen to London in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train journey from Carmarthen to London offers scenic views, particularly as it travels through the picturesque landscapes of South Wales and the rolling countryside of England. Passengers can enjoy glimpses of lush greenery, charming villages, and the Severn Estuary, making parts of the trip visually appealing.
A day trip from Carmarthen to London is not feasible as the journey takes 3h 37m each way. Trains are available 6 times per day.
In London, you can enjoy panoramic views from The London Eye, catch a theatrical production in the vibrant West End Theatre District, and explore the eclectic Camden Market. Take a leisurely walk through Hyde Park or visit the Tate Modern for contemporary art. Don't miss the British Museum's vast collection, the historic Tower of London, iconic Buckingham Palace, and the political landmarks of the Houses of Parliament and Big Ben. St. Paul's Cathedral offers architectural beauty and rich history.
For a first-time visitor to London, 3 to 4 days is usually sufficient to explore major attractions such as the British Museum, Tower of London, Buckingham Palace, and the West End.
Yes, you can take the train from Carmarthen to London.
popular train stations
Important Stations and Airports in Carmarthen and 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
Shopping
Parking
Dining
Accessibility
WC
Hotel
Lounge
Lost and Found Office
Ticket Office
Bike Parking
Bike Rentalinformation
Ticket Office Hours
- Opening hours: Monday - Friday 06:45 - 18:00
Shopping
- Type of shops available: News agent
Parking
- Car Park: Station Car Park
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
- 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
- Storage sheltered: No
- Storage location: On Platform 1
- Storage CCTV: Yes
Public transport options for Carmarthen
- Location for Rail Replacement Services: Wait at the bus stop opposite the station entrance
The major train station for arrivals in London is London Paddington. Find all the information you need to know about services, amenities and connections at London Paddington for your journey to London from Carmarthen.
Amenities at train station
Wifi
LockersShoppingParkingDining
ATM
TaxisAccessibilityWCHotelLoungeLost and Found OfficeTicket OfficeBike ParkingBike Rental
Car Rental
Information Deskinformation
Ticket Office Hours
- 24/7
Wifi
- Free Wi-Fi in the station.
Lockers
- Luggage lockers are located near the taxi stand beside Platform 11.
Shopping
- Type of shops available: News agent Flower stall Shoe repairer Wide range of shops Mini supermarket Pharmacy Convenience store High street shops Off Licence Passport Photo Booth
Parking
- Car Park: Station Car Park
Dining
- 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
Taxis
- Taxi: The taxi deck is situated above Platform 12 and is accessed via the concourse and platform 12, which has escalators and lifts to the upper level to the covered marshalled taxi rank. A queuing system is in operation. There is also a separate collection point for pre-booked taxis and a drop off point
- Accessible taxis: All London Black Cabs can accommodate wheelchair passengers without wheelchair users having to leave their wheelchair. There is also a separate collection point for prebooked taxis also further away from the lifts.
Accessibility
- Wheelchair access, escalators, elevators.
WC
- Toilets Location: Accessible toilets are located on Platforms' 1 and 12. A Changing Places facility is located on Platform 12. There are dedicated breastfeeding rooms / Parent & Baby rooms; within the Ladies toilets on Platform 1 within the public toilets on Platform 12.
- National key toilets: Yes
- National key toilets location: Accessible toilets are located on Platforms 1 and 12.
- Baby changing facilities: Yes
Hotel
- Hilton London Paddington
- Mercure London Paddington Hotel
- The Pilgrm
Lounge
- Waiting rooms location: Platform 12
Ticket Office
- 24/7
Bike Parking
- Storage sheltered: Yes
- Storage location: On platform 8/9 and 10
- Storage CCTV: Yes
Information Desk
- Located near Platform 1.
Public transport options for London Paddington
- Underground lines: Bakerloo Line, Circle Line, District Line, Hammersmith Line
- Bus lines: N7, 23, 27, N27, 36, 205, N205, 332, 7, 46, A1, 18, N18
- Train lines: Great Western Main Line, Heathrow Express
- Metro: Tube Lines.
Amenities at train station
WifiShoppingParkingATMAccessibilityWCLost and Found OfficeTicket Officeinformation
Address
Heathrow Airport Terminals 2 & 3 station, Inner Ring Road, Heathrow Airport, Greater London, TW6 1WDTicket Office Hours
- Opening hours: Monday - Sunday 05:00 - 23:59
Distance to city center
23 kmParking
- Car Park: No
Accessibility
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible toilets: Yes
- Ramp for train access: No
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
WC
- National key toilets: No
- Baby changing facilities: Yes
Public transport options for Heathrow Terminals 2 & 3
- Onward travel information: National Rail trains serving London Paddington National Express coaches to Victoria Coach Station and Gatwick Airport London Underground
- Metro: Connection available with the London Underground (Piccadilly Line)
Amenities at train station
ParkingAccessibilityLoungeLost and Found OfficeTicket Officeinformation
Ticket Office Hours
- Opening hours: Monday - Sunday 05:00 - 23:59
Distance to city center
25 kmParking
- Car Park: No
Accessibility
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains.
- Accessible ticket machines: There are accessible ticket machines at this station
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
Most popular train connections from Carmarthen
More options for your journey from Carmarthen to London
Here are some other resources that might have the information you need
Most popular trains to and from London and Carmarthen
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