Carmarthen to London train with Great Western Rail

Fri 06 Mar
+ Add return
Great Western Rail
Transport for Wales
first_great_western
Transport for Wales
Avanti West Coast
1,000+ travel companies
Great Western Rail
Transport for Wales
first_great_western
Transport for Wales
Avanti West Coast
1,000+ travel companies
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The cheapest and fastest trains from Carmarthen to London

Showing times and prices for 06 Mar

Cheapest price

£68

Average price

£72

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 £72 if you buy it on the day, but you can find cheap train tickets today for only £68.

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.

Great Western RailP22805
11:273h45
Carmarthen station (CMN)
15:12London Paddington (PAD)
£681One-way
0 changes
Great Western RailP22801
09:213h49
Carmarthen station (CMN)
13:10London Paddington (PAD)
£681One-way
0 changes
Transport for WalesL64996+Great Western RailP22799
08:293h42
Carmarthen station (CMN)
12:11London Paddington (PAD)
£731One-way
1 change
Transport for WalesL65006+Great Western RailP22803
10:303h42
Carmarthen station (CMN)
14:12London Paddington (PAD)
£731One-way
1 change
Transport for WalesL65016+Great Western RailP22807
12:303h39
Carmarthen station (CMN)
16:09London Paddington (PAD)
£731One-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 £17. 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 coach costs an average of £17, and a train costs an average of £61.

Distance: 291 km

Compare train with

Most popular
Train
Coach

£68

Average Price

£25

Average Price

Cheapest

4h 24m

Average total duration

Fastest

3h 54m

Onboard

+

30m

Additional time*

6h 36m

Average total duration

6h 6m

Onboard

+

30m

Additional time*

0.1 - 0.3kg

CO2 emissions

Lowest

0.3 - 0.7kg

CO2 emissions

Great Western Rail

Most popular train company

National Express

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, Thursday 5 March. You can also manually refresh the results below to see updated train journeys.

Last updated at 14:45
ProviderDepartsDurationArrivesChanges
Tickets
great_western14:57 Carmarthen
5h17
20:14 London0 changesdirect
great_western17:50 Carmarthen
5h21
23:11 London0 changesdirect
great_western18:18 Carmarthen
3h51
22:09 London0 changesdirect
Friday 6 March
transport_for_walesL64996+great_westernP22799
On time
08:29 Carmarthen station (CMN)
3h42
12:11 London Paddington (PAD)
1 change
great_westernP22801
On time
09:21 Carmarthen station (CMN)
3h49
13:10 London Paddington (PAD)
0 changesdirect
transport_for_walesL65006+great_westernP22803
On time
10:30 Carmarthen station (CMN)
3h42
14:12 London Paddington (PAD)
1 change
great_westernP22805
On time
11:27 Carmarthen station (CMN)
3h45
15:12 London Paddington (PAD)
0 changesdirect
transport_for_walesL65016+great_westernP22807
On time
12:30 Carmarthen station (CMN)
3h39
16:09 London Paddington (PAD)
1 change
transport_for_walesL64105+great_westernP22808
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.

Fri
06 Mar
Sat
07 Mar
Sun
08 Mar
Mon
09 Mar
Tue
10 Mar
Wed
11 Mar
Thu
12 Mar
Fri
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18 Mar
Thu
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26 Mar

Why should you book Carmarthen to London trains with Omio?

Great Western Rail 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 Rail?

  • Compare with other providers: On Omio, you can not only buy tickets for Great Western Rail, 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 Rail with all available travel options, which are train and bus 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 train and bus 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.

Journey information

Overview: Train from Carmarthen to London

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Carmarthen to London run on average 6 times per day, taking around 3h 54m. Cheap train tickets for this journey start at £61 but you can travel from only £17 by coach.

There are 2 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 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
Coach from £17
Distance
291 km
Average train duration
3h 54m
Cheapest ticket price
£61
Trains per day
6
Direct trains
2
Fastest train
3h 36m
First train
03:27
Last train
22:49
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 £17

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 £17. 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 36m
Cheapest Price
£61
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
£72
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.

FAQs
The cost of a train ticket from Carmarthen to London can vary. The cheapest tickets are usually available from £61, while the average price tends to be around £68.
The train journey from Carmarthen to London covers a distance of 291 km and takes approximately 3h 36m. Trains run 6 per day.
The first train from Carmarthen to London leaves at 3:27.
The train distance from Carmarthen to London is 291 km.
The last train from Carmarthen to London departs at 22:49.
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 £17.
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 36m 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
ShoppingShopping
ParkingParking
DiningDining
AccessibilityAccessibility
WCWC
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
information
phone
Phone Number
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday - Friday 06:45 - 18:00
Shopping
Shopping
  • Type of shops available: News agent
Parking
Parking
  • Car Park: Station Car Park
Accessibility
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
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
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

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

HomeTrainsTrain Times to London Carmarthen to London train

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