Timetable
Train route
Cheap train tickets
Cathays to Merthyr Tydfil train route details

First train
05:36

Last train
22:32

Journey time
57m

Distance
20 miles

Price
£5.50*
What are the next train times from Cathays to Merthyr Tydfil?
Discover all upcoming Cathays to Merthyr Tydfil services running today, including departure and arrival times, direct or connecting options, journey duration, and the operator running your route — everything you need to catch the train with confidence
| Departs | Arrives | Operator | Find Tickets |
|---|---|---|---|
19:07 Cathays | 20:05 Merthyr Tydfil | ![]() | Find Tickets |
19:37 Cathays | 20:35 Merthyr Tydfil | ![]() | Find Tickets |
20:07 Cathays | 21:05 Merthyr Tydfil | ![]() | Find Tickets |
20:38 Cathays | 21:35 Merthyr Tydfil | ![]() | Find Tickets |
21:37 Cathays | 22:34 Merthyr Tydfil | ![]() | Find Tickets |
22:32 Cathays | 23:32 Paris | ![]() | Find Tickets |
How to book cheap train tickets from Cathays to Merthyr Tydfil

Split Tickets discount
It might seem unusual, but buying several cheaper tickets for different sections of your journey can result in substantial savings - and you won't need to move seats at all. Even better, Trip.com automatically finds and arranges these split tickets for you, so there's no complicated planning required.

Book in advance
Booking Advance tickets at least 1 week before departure can reduce your fare by up to 61% on routes from Cathays to Merthyr Tydfil. Advance fares are usually released 12 weeks prior to travel and exclude Anytime fares, with savings depending on route availability.

Group travel deals
If your party consists of 3 to 9 travellers, you can benefit from group travel discounts — often up to a third off regular ticket prices. It's a great way to make trips from Cathays to Merthyr Tydfil more affordable for friends, family, or work groups.

Using a Railcard for 1/3 off
Explore a range of Railcards that typically offer 1/3 off most train tickets, including the 16-25, 26-30, Family & Friends, Two Together, Network and Senior Railcards, as well as the 16-17 Saver, which offers 50% off. They’re easy to purchase and store digitally in your Trip.com app, meaning you're only ever a tap away from great savings.
Which train ticket types are available for this route?

Advance train tickets
Released up to 12 weeks in advance, these tickets are usually the most budget-friendly choice for savvy travellers

Flexi Season tickets
Flexi Season tickets suit travellers who commute a few days a week, offering 8 days of unlimited travel in a 28-day period—which often works out cheaper than buying tickets on an individual daily basis

Off-Peak & Super Off-Peak tickets
Allow for cheaper and more flexible travel when avoiding weekday rush hour times

Anytime tickets
With no time restrictions, Anytime tickets allow travel throughout the entire day. They're a great option if you require maximum flexibility or aren't sure exactly when you'll be travelling.
Why Book Train Tickets With Trip.com?
Recommendations
Trains from Cathays
Trains to Merthyr Tydfil
Popular Routes
Top Destinations
Popular stations
Live times
- Cathays to Radyr
- Cathays to Manchester
- Cathays to London Paddington
- Cathays to Gloucester
- Cathays to Bridgend
- Cathays to London
- Cathays to Pontypridd
- Cathays to Cardiff Queen Street
- Cathays to Trefforest
- Cathays to Merthyr Tydfil
- Cathays to Cardiff Central
- Cathays to Grangetown (Cardiff)
- Cathays to Barry
- Cathays to Cardiff
- Cathays to Oxford
- Cathays to Cardiff Bay
- Cathays to Bristol
- Cathays to Bristol Temple Meads
- Cathays to Bath
- Cathays to Newport (South Wales)
*Based on Trip.com ticket data from 2023, Split Tickets provided notably lower prices compared to full-price tickets.









