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The cheapest and fastest trains from Carmarthen to London
Showing times and prices for May 08
Cheapest price
$94
Average price
$99
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 traveling at rush hour.
The average ticket from Carmarthen to London will cost around $99 if you buy it on the day, but the cheapest tickets can be found for only $94.
Fast trains
Of the 6 trains that leave Carmarthen for London on Fri, May 08, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, May 08 the 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 .
On Fri, May 08 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.
P2280511:27 AM3h45Carmarthen station (CMN)3:12 PMLondon Paddington (PAD)$941One-way0 transfers- P228019:21 AM3h49Carmarthen station (CMN)1:10 PMLondon Paddington (PAD)$941One-way0 transfers
L64996+P227998:29 AM3h42Carmarthen station (CMN)12:11 PMLondon Paddington (PAD)$1011One-way1 transfer- L65006+P2280310:30 AM3h42Carmarthen station (CMN)2:12 PMLondon Paddington (PAD)$1011One-way1 transfer
- L65016+P2280712:30 PM3h39Carmarthen station (CMN)4:09 PMLondon Paddington (PAD)$1011One-way1 transfer
- L65016+P2280712:30 PM3h39Carmarthen station (CMN)4:09 PMLondon Paddington (PAD)$1011One-way1 transfer
- L64996+P227998:29 AM3h42Carmarthen station (CMN)12:11 PMLondon Paddington (PAD)$1011One-way1 transfer
- L65006+P2280310:30 AM3h42Carmarthen station (CMN)2:12 PMLondon Paddington (PAD)$1011One-way1 transfer
- P2280511:27 AM3h45Carmarthen station (CMN)3:12 PMLondon Paddington (PAD)$941One-way0 transfers
- L64105+P2280812:57 PM3h46Carmarthen station (CMN)4:43 PMLondon Paddington (PAD)$1011One-way1 transfer
Travel Information
Compare bus and train 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 bus with prices starting from $24. For those with little time consider booking a train which can get you there in 3h 54m. 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 $24, and a train costs an average of $83.
Distance: 180 miles (291 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$93 Average price | $34 Average price Cheapest | $124 Average price (fuel + tolls) |
4h 24m Average total duration Fastest 3h 54m Onboard + 30m Additional time* | 6h 36m Average total duration 6h 6m Onboard + 30m Additional time* | 4h 5m 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.
The cheapest way to travel from Carmarthen to London is a bus with an average price of $34 (€27).
This is compared to other travel options from Carmarthen to London:
A bus is $59 (€47) less than a train for this route with tickets for a train from Carmarthen to London costing on average $93 (€74).
The fastest way to travel from Carmarthen to London is by train with an average journey time of 3h 54m.
Other travel options to London take longer:
Bus takes on average 6h 6m.
It's helpful to compare your options as there are 2 ways to travel between Carmarthen and London including taking a bus and train.
We recommend using the train as it is the most popular way to get from Carmarthen to London among Omio's users.
Take the train. On this route, it beats driving on both time and money.
The journey is about 11m faster (3h 54m by train vs 4h 5m by car) and roughly $31 (€25) cheaper once you factor in fuel and tolls ($93 (€74) vs $124 (€99)). 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, first_great_western.
Driving is still worth considering if you want to stop along the way or need a car once you arrive.
Live departures
Carmarthen to London train times
The table below shows live departures for Carmarthen to London trains for today, Thursday, May 7. You can also manually refresh the results below to see updated train journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| L64996+P22799 | On time 8:29 AM Carmarthen station (CMN) | 3h42 | 12:11 PM London Paddington (PAD) | 1 transfer | |
| P22801 | On time 9:21 AM Carmarthen station (CMN) | 3h49 | 1:10 PM London Paddington (PAD) | 0 transfersDirect | |
| L65006+P22803 | On time 10:30 AM Carmarthen station (CMN) | 3h42 | 2:12 PM London Paddington (PAD) | 1 transfer | |
| P22805 | On time 11:27 AM Carmarthen station (CMN) | 3h45 | 3:12 PM London Paddington (PAD) | 0 transfersDirect | |
| L65016+P22807 | On time 12:30 PM Carmarthen station (CMN) | 3h39 | 4:09 PM London Paddington (PAD) | 1 transfer | |
| L64105+P22808 | On time 12:57 PM Carmarthen station (CMN) | 3h46 | 4:43 PM London Paddington (PAD) | 1 transfer | |
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 bus or train
Compare bus and train 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 Carmarthen to London trains with Omio?
Great Western Railway as well as Transport for Wales, first_great_western, Transport for Wales and more offer trains services from Carmarthen to London.
Omio is an official ticket reseller for all your travel options from Carmarthen to London.
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, first_great_western or Transport for Wales to find the best option for your trip from Carmarthen to London.
- 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 bus and train to ensure you get the best deal for traveling from Carmarthen to London.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Transport for Wales, first_great_western or Transport for Wales to find the best option for your trip from Carmarthen to London.
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Carmarthen to London.
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 $83Journey 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 54m. Cheap train tickets for this journey start at $83 (€66) but you can travel from only $24 (€19) by bus.
There are 2 trains per day. The earliest train runs at 03:27, the last at 22:49. The fastest train covers the 180 miles (291 km) distance in 3h 36m.
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 $24 (€19)
Distance 180 miles (291 km) |
Average train duration 3h 54m |
Cheapest ticket price $83 (€66) |
Trains per day 6 |
Direct trains 2 |
Fastest train 3h 36m |
First train 3:27 AM |
Last train 10:49 PM |
Cheapest Month Nov |
Cheapest Day Wed |
High Season Jan - Mar |
Low Season Apr - Jun |
Busiest Day Mon |
Least Busy Day Sat |
Best time to book 70 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 $24 (€19)
Train companies: Great Western Railway, Transport for Wales, first_great_western from Carmarthen to London trainsGreat Western Railway, Transport for Wales, first_great_western trains will get you between Carmarthen and London from $24 (€19). 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 36m
Cheapest Price
$83 (€66)
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 46m
Cheapest Price
$99 (€79)
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
$249 (€199)
first_great_western frequency
5 a day
FAQs: Trains from Carmarthen to London
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.
Train ticket prices from Carmarthen to London can vary. The cheapest ticket starts at $83 (€66), while the average price is around $93 (€74).
The train from Carmarthen to London takes 3h 36m and runs 6 per day.
The first train from Carmarthen to London leaves at 3:27 AM.
The distance by train from Carmarthen to London is 180 miles (291 km).
The last train from Carmarthen to London leaves at 10:49 PM.
There is no high speed train available from Carmarthen to London.
Yes, there is a direct train from Carmarthen to London. This service operates 2 times per day, provided by Great Western Railway, first_great_western.
Unfortunately, there is no night train available from Carmarthen to London.
The train station in Carmarthen that goes to London is Carmarthen station (CMN), which connects to London Paddington (PAD).
The cheapest way to get from Carmarthen to London is by bus, with a cost of around $24 (€19).
The train journey from Carmarthen to London offers scenic views, particularly as it passes through the rolling hills and countryside of South Wales and along sections of the Severn Estuary before reaching the more urban landscapes approaching London.
A day trip from Carmarthen to London is not feasible as the journey takes 3h 36m each way. Trains run 6 times per day over a distance of 180 miles (291 km).
In London, you can enjoy panoramic views of the city from The London Eye, visit the vibrant West End Theatre District for high-quality shows, and explore Camden Market's eclectic mix of food, fashion, and crafts. A walk through Hyde Park offers beautiful landscapes and recreational activities, while art lovers can visit the Tate Modern. Don't miss The British Museum's vast collection of art and antiquities, the historic Tower of London with its Crown Jewels, and Buckingham Palace. Iconic landmarks like The Houses of Parliament and Big Ben, along with St. Paul's Cathedral, offer a glimpse into the city's rich history and architecture.
For a comprehensive experience of London's top attractions, cultural sites, and local neighborhoods, it is recommended to spend around 3 to 5 days in the city. This allows time to explore major landmarks such as the British Museum, Tower of London, and Buckingham Palace, as well as enjoy local markets and parks.
Yes, you can take the train from Carmarthen to London.
Since neither Carmarthen nor London are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
Popular day trips by train from London include Oxford, Cambridge, Brighton, Stevenage, Canterbury.
We recommend using the train as it is the most popular way to get from Carmarthen to London among Omio's users.
Items not allowed on trains typically include hazardous materials such as explosives, flammable liquids, corrosive substances, and illegal drugs. Additionally, large or bulky items that may obstruct aisles or emergency exits, as well as pets without proper carriers, may be restricted. Specific prohibited items can vary by train operator and region, so please check the rules for your particular journey.
Yes, rail passes such as the BritRail Pass are valid on most trains within the United Kingdom, offering unlimited travel on participating train operators for a set period.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In London, travelers should be cautious of pickpocketing, especially in crowded areas like public transport, markets, and popular tourist sites. Common scams include fake charity collectors, overcharging by unlicensed taxi drivers, and distraction techniques used by thieves. Always use official black cabs or licensed minicabs booked through reputable apps, and keep personal belongings secure to reduce risks. Staying vigilant in busy locations and avoiding unsolicited offers helps ensure a safer visit.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular train stations
Popular train stations from Carmarthen to 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 transit 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 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.
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)
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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