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The cheapest and fastest trains from London to Carmarthen
Showing times and prices for Jun 07
Cheapest price
€78
Average price
€79
Fastest journey
4 h 25 m
Average duration
4 h 31 m
Trains per day
12
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 traveling at rush hour.
The average ticket from London to Carmarthen will cost around €79 if you buy it on the day, but the cheapest tickets can be found for only €78.
Fast trains
Of the 12 trains that leave London for Carmarthen on Sun, Jun 07, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jun 07 the direct trains cover the 291 km distance in an average of 4 h 31 m but if you time it right, some trains will get you there in just 4 h 25 m .
On Sun, Jun 07 the slowest trains will take 4 h 34 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.
C0122611:20 AM4h25London Paddington (PAD)3:45 PMCarmarthen station (CMN)€781One-way0 transfers- C00840 · C33273 · C500401:20 PM5h30London Paddington (PAD)6:50 PMCarmarthen station (CMN)€781One-way2 transfers
- C500402:20 PM4h30London Paddington (PAD)6:50 PMCarmarthen station (CMN)€781One-way0 transfers
- C01227+
G3844810:20 AM4h31London Paddington (PAD)2:51 PMCarmarthen station (CMN)€791One-way1 transfer - C50047+G3948112:20 PM5h18London Paddington (PAD)5:38 PMCarmarthen station (CMN)€791One-way1 transfer
- C0122611:20 AM4h25London Paddington (PAD)3:45 PMCarmarthen station (CMN)€781One-way0 transfers
- C500402:20 PM4h30London Paddington (PAD)6:50 PMCarmarthen station (CMN)€781One-way0 transfers
- C01227+G3844810:20 AM4h31London Paddington (PAD)2:51 PMCarmarthen station (CMN)€791One-way1 transfer
- C00840+G389201:20 PM4h34London Paddington (PAD)5:54 PMCarmarthen station (CMN)€791One-way1 transfer
- C50048_W35439+G382778:33 AM4h34London Paddington (PAD)1:07 PMCarmarthen station (CMN)€791One-way1 transfer
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 prices starting from €21. For those with little time consider booking a train which can get you there in 3h 42m. 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 bus costs an average of €21, and a train costs an average of €52.
Distance: 291 km
Compare train with
Most popular Train | Bus |
|---|---|
€74 Average price | €29 Average price Cheapest |
4h 12m Average total duration Fastest 3h 42m Onboard + 30m Additional time* | 6h 20m Average total duration 5h 50m 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
London to Carmarthen train times
The table below shows live departures for London to Carmarthen trains for today, Saturday, June 6. You can also manually refresh the results below to see updated train journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| C42174 | On time 8:12 AM London Paddington (PAD) | 4h15 | 12:27 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34615+G38296 | On time 9:12 AM London Paddington (PAD) | 4h37 | 1:49 PM Carmarthen station (CMN) | 1 transfer | |
| C42175 | On time 10:12 AM London Paddington (PAD) | 4h14 | 2:26 PM Carmarthen station (CMN) | 0 transfersDirect | |
| W34621+G38301 | On time 11:12 AM London Paddington (PAD) | 4h36 | 3:48 PM Carmarthen station (CMN) | 1 transfer | |
| W34625 | On time 12:12 PM London Paddington (PAD) | 4h15 | 4:27 PM Carmarthen station (CMN) | 0 transfersDirect | |
| C42176+G38304 | On time 1:12 PM London Paddington (PAD) | 4h41 | 5:53 PM Carmarthen station (CMN) | 1 transfer | |
| W34631 | On time 2:12 PM London Paddington (PAD) | 4h18 | 6:30 PM Carmarthen station (CMN) | 0 transfersDirect | |
W35076+ G01115+G38308 | On time 2:33 PM London Paddington (PAD) | 5h03 | 7:36 PM Carmarthen station (CMN) | 2 transfers | |
| W35420+G38884 | On time 4:12 PM London Paddington (PAD) | 4h19 | 8:31 PM Carmarthen station (CMN) | 1 transfer | |
| W34641+G39500 | On time 5:12 PM London Paddington (PAD) | 4h30 | 9:42 PM Carmarthen station (CMN) | 1 transfer | |
| C42180+G38888 | On time 6:12 PM London Paddington (PAD) | 4h42 | 10:54 PM Carmarthen station (CMN) | 1 transfer | |
| C42181+G39502 | On time 7:12 PM London Paddington (PAD) | 4h18 | 11:30 PM 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.
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Why should you book London to Carmarthen trains with Omio?
Great Western Railway as well as Great Western Railway (GWR) offer trains services from London to Carmarthen.
Omio is an official ticket reseller for all your travel options from London to Carmarthen.
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 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?
- 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 42m. Cheap train tickets for this journey start at €52 but you can travel from only €21 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 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
Bus from €21
Distance 291 km |
Average train duration 3h 42m |
Cheapest ticket price €52 |
Trains per day 7 |
Direct trains 3 |
Fastest train 3h 33m |
First train 3:27 AM |
Last train 10:49 PM |
Cheapest Month Mar |
Cheapest Day Tue |
High Season Jan - Mar |
Low Season Apr - Jun |
Busiest Day Fri |
Least Busy Day Mon |
Best time to book 63 days |
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
Bus from €21
Train companies: Great Western Railway, Great Western Railway (GWR) from London to Carmarthen trainsGreat Western Railway, Great Western Railway (GWR) trains will get you between London and Carmarthen from €21. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
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
€52
Great Western Railway frequency
7 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
Great Western Railway (GWR)
Luggage & cancellation policy
Average Duration
3h 33m
Cheapest Price
€192
Great Western Railway (GWR) frequency
12 a day
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.
Cheap train tickets from London to Carmarthen can start from as little as €52 when you book in advance. The average train ticket price for London to Carmarthen is €74; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by train from London to Carmarthen is 3h 33m to travel the 291 km long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest train from London to Carmarthen leaves at 3:27 AM. Plan your trip with the Journey Planner from Omio.
The latest train from London to Carmarthen leaves at 10:49 PM.
Yes,there are 3 direct trains a day from London to Carmarthen with Great Western Railway, Great Western Railway (GWR). Schedules can vary on holidays or weekends with fewer direct trains.
When taking a train from London to Carmarthen, you can count on Great Western Railway, Great Western Railway (GWR) for the best way to get you to Carmarthen. You can also check all possible train companies who offer a service between London and Carmarthen and compare the amenities they offer before buying a train ticket.
A trip to Carmarthen from London is worth doing but not as a day trip with a journey time of 3h 33m each way. Check with Omio app the best way to travel.
The cheapest month for a train from London to Carmarthen is March.
It's helpful to compare your options as there are 2 ways to travel between London and Carmarthen including taking a train and bus.
popular train stations
Popular train stations from London to Carmarthen
London
Carmarthen
The major train station for departures in London is London Paddington. Find all the information you need to know about services, amenities and connections at London Paddington for your trip from London to Carmarthen.
Amenities at train station
Wifi
Lockers
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Lounge
Lost and Found Office
Ticket Office
Bike Parking
Bike 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 transit 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.
Heathrow Terminals 2 & 3
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 transit 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)
Heathrow Terminal 5
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
The major train station for arrivals in Carmarthen is Carmarthen. Find all the information you need to know about services, amenities and connections at Carmarthen for your journey to Carmarthen from London.
Carmarthen
Amenities at train station
ShoppingParkingDiningAccessibilityWCHotelLoungeLost and Found OfficeTicket OfficeBike ParkingBike 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 transit options for Carmarthen
- Location for Rail Replacement Services: Wait at the bus stop opposite the station entrance
More options for your journey from London to Carmarthen
Here are some other resources that might have the information you need
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