Timetable

Train route

Cheap train tickets

UK Trains New User Gifts 2% off trains


2% OFF
Jun 19, 2024-Jun 20, 2026
2% OFF UK Train New User Promo Code
Jun 19, 2024-Jun 20, 2026





London St Pancras International to Merthyr Tydfil train prices and times

Planning a journey from London St Pancras International to Merthyr Tydfil? Trip.com offers train tickets starting from as low as €42.50, with average prices for this route around €42.50. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

View More Trains

Departs	Arrives	Operator	Find Tickets
17:18 3h 47m, No direct London St Pancras International	21:05 Merthyr Tydfil		Find Tickets
17:48 3h 46m, No direct London St Pancras International	21:34 Merthyr Tydfil		Find Tickets
18:48 3h 44m, No direct London St Pancras International	22:32 Merthyr Tydfil		Find Tickets
19:13 4h 17m, No direct London St Pancras International	23:30 Merthyr Tydfil		Find Tickets
22:11 8h 23m, No direct London St Pancras International	06:34 +1 Merthyr Tydfil		Find Tickets
22:46 8h 48m, No direct London St Pancras International	07:34 +1 Paris	Elizabeth line	Find Tickets

London St Pancras International to Merthyr Tydfil train route details

First train

04:21

Last train

22:46

Departure station

London St Pancras International

Arrival station

Merthyr Tydfil

Journey time

3h 44m

Distance

226 km

Price

€42.50*

Train Operators

Elizabeth line, CrossCountry, Great Western Railway

How to book cheap train tickets from London St Pancras International to Merthyr Tydfil

Season Tickets for frequent travels

For frequent travellers between London St Pancras International and Merthyr Tydfil, consider a Season Ticket, providing unlimited travel between specified stations for different durations, such as weekly, monthly, annually, or flexi. Alongside substantial savings, enjoy the convenience of not having to buy a ticket for each journey.

Network Railcard for Southeast 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.

Travelling in off-peak train times

We recommend buying train tickets from London St Pancras International to Merthyr Tydfil during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.

Using the Railcard for 1/3 off

With a Railcard, you can save up to 1/3 on most rail fares. There are different types of Railcards available, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard, each catering to specific groups of travellers. You can discover more about Railcards 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 London St Pancras International to Merthyr Tydfil, 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 London St Pancras International to Merthyr Tydfil ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.

Group travels to save 1/3

If you are travelling in a group, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making travelling from London St Pancras International to Merthyr Tydfil more affordable for families, friends, or colleagues planning a trip together.

London St Pancras International to Merthyr Tydfil train ticket types

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





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 London St Pancras International to Merthyr Tydfil journey
National Rail Partners
Official train ticket sellers with 5-star customer service
No Booking Fees on the App
Only pay for your train travel – no hidden fees

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

Trains from London St Pancras International to Merthyr Tydfil from €42.50

Save an average of 30%* with Split Tickets

2% OFF

2% OFF UK Train New User Promo Code

London St Pancras International to Merthyr Tydfil train prices and times

London St Pancras International to Merthyr Tydfil train route details