London to Carmarthen Train
Download our App for free
All your travel needs in one place
Find the cheapest ticket for your trip
Secure your ticket today and get the best deals!
Today More
Tomorrow More
2 days More
3 days More
London to Carmarthen by train
The journey from London to Carmarthen by train is 293.26 km and takes 4 hrs 10 mins. There are 14 connections per day, with the first departure at 6:45 am and the last at 8:48 pm. It is possible to travel from London to Carmarthen by train for as little as $103.32 or as much as $136.92. The best price for this journey is $103.32.
| Lowest Price | $103.32 |
| Journey Duration | 4 hrs 10 mins |
| Connection per Day | Great Western Railway, Transport for Wales 14 |
| Lowest Price | Great Western Railway, Transport for Wales $103.32 |
| Highest Price | Great Western Railway, Transport for Wales $136.92 |
| First Departure | Great Western Railway, Transport for Wales 6:45 am |
| Last Departure | Great Western Railway, Transport for Wales 8:48 pm |
| Distance | Great Western Railway, Transport for Wales 293.26 km |
| Departure | Great Western Railway, Transport for Wales London |
| Arrival | Great Western Railway, Transport for Wales Carmarthen |
| Carriers | Great Western Railway, Transport for Wales Great Western Railway, Transport for Wales |
Be the first to have an
AI Travel Companion
Be the first to have an AI Travel Companion
Best time to book cheap train tickets from London to Carmarthen
The cheapest London - Carmarthen train tickets can be found for as low as $57.50 if you’re lucky, or $64.60 on average. The most expensive ticket can cost as much as $71.80.
Find the best day to travel to Carmarthen by train
When travelling to Carmarthen by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!
Services on board Great Western Railway and Transport for Wales from London to Carmarthen
Compare services on board when travelling from London to Carmarthen by train.
| Facilities | Great Western Railway | Transport for Wales |
|---|---|---|
Quiet zone |  | |
WiFi | | |
Power sockets | | |
Luggage | | |
Food and drink | | |
London to Carmarthen CO2 Emissions by Train
Train
20.53kg
Bus
21.99kg
Flight
58.65kg
Car
46.92kg
What are the CO2 emissions from London to Carmarthen by train? The CO2 emissions from taking the train between London and Carmarthen are 20.53kg.
How much CO2 do I save by taking the train between London and Carmarthen? By taking the train between London and Carmarthen you will save 38.12kg CO2 emissions compared to a flight, 1.46kg compared to a bus and 26.39kg compared to a car.
Anything we can improve?
Frequently Asked Questions
How much is a train ticket from London to Carmarthen?
A train ticket from London to Carmarthen is $128.00. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as $103.32.
What's the cheapest train ticket from London to Carmarthen?
The cheapest ticket you can get from London to Carmarthen is $103.32. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between London and Carmarthen by train?
London to Carmarthen is 293.26 km.
How long does the train between London and Carmarthen take?
London to Carmarthen is on average 4 hrs 10 mins. However the fastest option will get you there in 3 hrs 36 mins.
Which companies operate from London to Carmarthen?
The train journey from London to Carmarthen is covered by 1 operator(s). On Virail you can find these carriers that provide services on this route: Great Western Railway and Transport for Wales.
How many train connections per day go from London to Carmarthen?
London to Carmarthen has 14 connection(s) per day on average.
What time does the first train from London to Carmarthen leave?
The earliest train from London to Carmarthen departs at 6:45 am. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from London to Carmarthen depart?
The latest train from London to Carmarthen departs at 8:48 pm. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from London to Carmarthen in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is $103.32 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
How many direct connections depart from London to Carmarthen?
There are on average 3 direct connection(s) from London to go to Carmarthen.
What's the fastest journey time between London to Carmarthen by train?
The fastest journey time by train between London and Carmarthen is 3 hrs 36 mins.
Is there a direct train from London to Carmarthen?
Yes, there is a direct train between London and Carmarthen.
What are the CO2 emissions for London to Carmarthen by train?
The train journey from London to Carmarthen creates 20.53kg of CO2 emissions.