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Carmarthen to London Train prices and times

Looking to travel from Carmarthen to London? You can buy train tickets with Trip.com for as low as 124,83 kr., with average prices for this route around 323,41 kr..

To get the best deals, we recommend buying in advance and researching alternatives such as split tickets.

  • lør., 28. jun.
    From 271,55 kr.
  • søn., 29. jun.
    From 271,55 kr.
  • man., 30. jun.
    From 124,83 kr.
  • tir., 1. jul.
    From 124,83 kr.
  • ons., 2. jul.
    From 271,55 kr.
  • tor., 3. jul.
    From 240,89 kr.
  • fre., 4. jul.
DepartureArrivalDurationOperator
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04:39
Carmarthen
08:11
London Paddington
3t 32m, Changes requiredTransport for WalesGreat Western Railway
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06:04
Carmarthen
09:44
London Paddington
3t 40m, Changes requiredTransport for WalesGreat Western Railway
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06:53
Carmarthen
10:44
London Paddington
3t 51m, Changes requiredTransport for WalesGreat Western Railway
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07:24
Carmarthen
11:14
London Paddington
3t 50m, DirectGreat Western Railway
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08:32
Carmarthen
12:14
London Paddington
3t 42m, Changes requiredTransport for WalesGreat Western Railway
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09:30
Carmarthen
13:12
Paris
3t 42m, DirectGreat Western Railway
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Carmarthen to London Train Route Details

First train
First train
04:39
Last train
Last train
20:40
Departure station
Departure station
Carmarthen
Arrival station
Arrival station
London
Journey time
Journey time
3t 32m
Distance
Distance
291 km
Price
Price
124,83 kr.*
Train operators
Train operators
Great Western Railway, Transport for Wales

How to book cheap train tickets from Carmarthen to London

Season Tickets for frequent travel

Season Tickets for frequent travel

If you frequently travel between Carmarthen and London, a Season Ticket allows unlimited travel between these stations and is available for various durations, such as weekly, monthly, annual, or flexi. Enjoy the convenience of not having to buy a ticket for each journey, as well as significant savings.
Network Railcard for South East England

Network Railcard for South East England

By purchasing a Network Railcard for only £30 per year, unlock incredible savings of up to 1/3 on every ticket for your travels within London and the South East. With this Railcard in hand, you can enjoy reduced costs on various ticket types, including Standard or Super Off-Peak Tickets.
Traveling in off-peak train times

Traveling in off-peak train times

Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from Carmarthen to London. These tickets are generally cheaper and can be used during quieter periods, typically outside of morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split tickets to save an average extra 30%

Split tickets to save an average extra 30%

Another option to consider is splitting your tickets, which can save you around an extra 30% on fares. Instead of purchasing a direct ticket from Carmarthen to London, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won't even need to leave the train… or often your seat!
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book (ideally up to 12 weeks in advance), the greater the savings!
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, take advantage of group travel discounts, offered by most train companies, for a discount of up to 1/3 on standard fares. This can make traveling from Carmarthen to London more affordable for families, friends, or colleagues planning a trip together.

Carmarthen to London Train Ticket Types

Here are different ticket types available for this route, each with their own benefits and restrictions. Here are the options to consider:

Why Book Train Tickets With Trip.com?

  • Split Tickets

    Best Price Promise

    If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*

  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Carmarthen to London journey

  • Split Tickets

    National Rail Partners

    Official train ticket sellers with 5-star customer support

  • Split Tickets

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    Only pay for your train travel – no hidden fees

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*After comparing the full year of 2023 for SplitTickets and full-price tickets on Trip.com, the average savings rate for SplitTickets is 30%.