Timetable
Train route
Cheap train tickets
Carmarthen to London St Pancras International Train prices and times
Looking to travel from Carmarthen to London St Pancras International? You can buy train tickets with Trip.com for as low as €45.54, with average prices for this route around €45.54.
To get the best deals, we recommend buying in advance and researching alternatives such as split tickets.
| Departure | Arrival | Operator | Find Tickets |
|---|---|---|---|
12:34 Carmarthen | 16:39 London St Pancras International |   | Find Tickets |
12:58 Carmarthen | 17:11 London St Pancras International | | Find Tickets |
14:20 Carmarthen | 18:43 London St Pancras International | | Find Tickets |
14:32 Carmarthen | 18:43 London St Pancras International | | Find Tickets |
14:57 Carmarthen | 19:49 London St Pancras International | | Find Tickets |
16:19 Carmarthen | 20:51 Paris | | Find Tickets |
Carmarthen to London St Pancras International Train Route Details
First train
05:36
Last train
22:42
Journey time
4 hours 5 minutes
Distance
291 km
Price
€45.54*
How to book cheap train tickets from Carmarthen to London St Pancras International
Season Tickets for frequent travel
Are you frequently traveling between Carmarthen and London St Pancras International on a weekly, monthly, or annual basis? Season Tickets provide unlimited travel during specific times, allowing you to freely hop on and off trains between two stations without worrying about individual ticket bookings, and offering significant savings in the process.
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
Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from Carmarthen to London St Pancras International. 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
You can choose a Railcard to help you save up to 1/3 on fares from Carmarthen to London St Pancras International for various reasons, such as your age (including the 16–25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more here.
Split tickets to save an average extra 30%
Splitting tickets is a perfectly legal practice that involves purchasing separate, cheaper tickets for different segments of your journey on the same train instead of a single ticket for the entire trip. For example, if you are travelling from Carmarthen to London St Pancras International, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than a direct ticket.
Book in advance to save an average of 61%
Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Carmarthen to London St Pancras International ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Travel in a group to save 1/3
If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.
Carmarthen to London St Pancras International train ticket types
Save money on your trip from Carmarthen to London St Pancras International with suitable train tickets. It's a great way to spend less!
Off-peak & Super Off-peak tickets
Off-peak tickets are cheaper and offer more flexibility for travel during less busy times. Super Off-Peak tickets are even cheaper and suitable for unconventional schedules.
Return train tickets
Valid for both an outbound and return journey from the same destination on your chosen route.
Advance train tickets
Generally the most cost-effective option, these tickets can be purchased up to 12 weeks in advance of the travel date.
Season train tickets
Season tickets allow unlimited travel between two stations and can save you more than 1/3 on train fares.
Why Book Train Tickets With Trip.com?
Best price promise
If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*
Split Tickets
Save an average of 30% on train fares by splitting your Carmarthen to London St Pancras International journey
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No Booking Fees on the App
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%.