Lowest Prices
We partner with the top coach & train carriers to bring you the best deals.
Best Travel Options
We help you find & compare the best buses & trains in one place.
Quick & Easy Booking
Book trips quickly with a simple, hassle-free checkout – online & on our app.
Fast Customer Support
We don’t monkey around. We respond within minutes to help you out.
Trip Summary
You can pick from 9 daily train trips between Carmarthen and London. The average train journey from Carmarthen to London takes 3 hours and 49 minutes, but some Great Western Railway train trips are as short as 3 hours and 40 minutes.
| Distance | 181 mi (291 km) |
| Fastest train | 3h 40m |
| Lowest price | €53.21 |
| Trains per day | 7 |
| Most frequent service | Great Western Railway |
| Train lines | 2 |
Which train should you take from Carmarthen to London?
2 train services operate from Carmarthen to London. Great Western Railway usually has more trains scheduled, with 7 trips per day. That said, it's still worth comparing the prices and trip durations:
| Train | Daily Trips | Avg. Time | Avg. Price |
|---|---|---|---|
| Great Western Railway | 7 | 3h 46m | €49.57 |
| Transport For Wales | 2 | 3h 58m | €65.97 |
Great Western Railway is a train company in the United Kingdom responsible for rail services in the west of England and south Wales, including many intercity services to and from London. Whether you book a seat on a standard or first-class carriage, you can expect plenty of legroom, complimentary WiFi, power outlets/USB charging points, and onboard restrooms. There are also café cars or snacks trolleys onboard.
Transport for Wales is a trusted provider of passenger rail travel in Wales and the border region with England. Popular trips include Chester to Church Stretton, Caldicot to Cardiff Central station, and Manchester to London. Passengers onboard can enjoy complimentary WiFi and various options for onboard meals, from either a café car or at-seat trolley service for snacks, sodas, and hot drinks.
Frequently Asked Questions
The distance between Carmarthen and London is approximately 181 miles, or 291 kilometers. The average train journey between these two cities takes 3 hours and 49 minutes, although the absolute fastest you could get there is 3 hours and 40 minutes.
Looking for ways to pass the time? Most trains are equipped with Wi-Fi, which means you can stream music, browse social media or get some work done during your ride. That said, in case your train has a spotty signal, or is among the few without Wi-Fi, we also recommend downloading TV shows and movies to your mobile device in advance of your trip. That way the ride will fly by whatever the Wi-Fi situation.
Sunday tends to be the busiest day of the week with travelers taking trains from Carmarthen to London. Ticket price also tend to be more expensive on Sunday than other days. If you are hoping to have more room on the train and even save some change check out travel options on Sunday instead, as less people travel then and deals are more likely to be found.
The earliest train departs Carmarthen at 06:00 while the last train of the day leaves at 17:00. To see all scheduled departure times, use the search function on this page to get the full schedule for your specific travel dates.
There are 9 scheduled trains on most days. 7 of these are direct connections to London. While direct trains may still make stops along the way, you will not need to switch trains at any point. If you're looking to get to your destination faster, a direct train is the convenient and time-efficient choice.
You can also take a train for your return trip from London to Carmarthen.
City Information
London
One of the most important cities in the world, London is where the traditional blends seamlessly with the modern. As a vibrant modern city, London has something for everyone. For visitors interested in the Royal Family as well as their history, check out Buckingham Palace. The palace is open all days in summer, but only on selected days in winter. The Tower of London, where the crown jewels are put on exhibition, is also a great spot to check out. For fans of history, you might not want to miss out on the famous British Museum, considered by many to be the best museum in all of London. The museum currently carries an impressive collection of 8 million historic objects from all around the world, making it an eye-opening destination for many.
London’s food scene reflects its multiculturalism. Here you can find restaurants serving cuisines from various countries around the world, from India to Malaysia. If you opt for a lavish dining experience, Restaurant Gordon Ramsay, run by the famous chef himself, will be a great choice. Also don’t forget to stop by at a local pub and enjoy the beer like a true Londoner.
The city’s centers of intercity rail services are King’s Cross Station and Euston Station, from which you can take a train to other places in the UK or hop on the Eurostar train to Paris and beyond. The largest coach station in the city is Victoria Coach Station, serving big local carriers like National Express. The city’s air services are fulfilled by eight airports, of which London Heathrow Airport, located west of the city, is the busiest one.
Station Information
Where is the train station in Carmarthen?
Main departure station: Carmarthen Train Station
There is one train station in Carmarthen.
All train stations in Carmarthen:
Carmarthen Train Station
Where is the train station in London?
Main arrival station: Paddington Station
London has one train station.
Train stations in London:
Paddington Station
Get around town with Moovit
Need a return trip from London to Carmarthen?
Search Train Tickets
Wanderu is the simplest way to book bus and train travel.
With just a quick search on Wanderu, you can compare bus and train schedules and prices from hundreds of travel companies in one convenient place to find the trip that works best for you. Wanderu’s simple checkout process makes it easy to book cheap bus and train tickets hassle-free and with no additional fees. Most importantly, as Wanderu is an official partner of all leading bus and train companies, we always have the best bus and train deals out there.
Book coaches and trains on the go with the Wanderu app.
Download our app and snag the best travel deals across North America & Europe.Learn more