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London St. Pancras International to Cathays train timetable
Travelling from London St. Pancras International to Cathays, the fastest train takes 2h 44m with an average travel time of 2h 45m. With 31 daily trains, the first departs at 04:21 and the last at 23:55. Off-Peak hours begin at 09:30 on weekdays, and all-day Off-Peak on weekends and bank holidays. Keep informed of live train status, times, delays, and cancellations with us.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
04:21 London St. Pancras International | 4h 11m, 1 change | 08:32 Cathays | Great Western Railway | Find tickets |
06:13 London St. Pancras International | 2h 49m, 1 change | 09:02 Cathays | Great Western Railway | Find tickets |
06:37 London St. Pancras International | 2h 55m, 1 change | 09:32 Cathays | Great Western Railway | Find tickets |
07:18 London St. Pancras International | 2h 44m, 1 change | 10:02 Cathays | Great Western Railway | Find tickets |
07:48 London St. Pancras International | 2h 44m, 1 change | 10:32 Cathays | Great Western Railway | Find tickets |
London St. Pancras International to Cathays train tickets and times
London St. Pancras International to Cathays train travel guide
The train journey from London St. Pancras International to Cathays combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from London St. Pancras International, you can get to Cathays in just 2h 44m, making it an ideal and convenient choice for travelling between them.

Planning and booking
How much does it cost for a train from London St. Pancras International to Cathays?
The average fare from London St. Pancras International to Cathays is approximately €42.75, but the final price fluctuates. The actual cost depends on your travel dates, how far in advance you book, and your ticket's flexibility. To see the current price for your journey, please search with your specific dates.
What is the best way to travel from London St. Pancras International to Cathays by train?
What is the fastest train from London St. Pancras International to Cathays?
The fastest train journey time from London St. Pancras International to Cathays is 2h 44m. Direct trains can save significant time by avoiding transfers. Always check if a direct route is available for your journey. Moreover, when searching for trains, consider the total travel time. Some routes with fewer stops or more efficient schedules might be faster.
Are there direct trains from London St. Pancras International to Cathays?
No, unfortunately, you need to transfer from London St. Pancras International to Cathays. Still, the TrainPal Train Journey Planner helps you find the best train. Just input your origin or destination places, then click "Search" to see the suitable route.
Is it worth taking a train from London St. Pancras International to Cathays?
Yes, the train is a highly practical choice. Compared to driving, it is more eco-friendly and avoids the stress of traffic and parking. Compared to coaches, it offers more comfort, space, and scheduling flexibility. Furthermore, its ability to drop you off in the heart of the city makes it an exceptionally convenient option for most journeys.
How far in advance can I book my train ticket?
To get the best price on UK train tickets, it is essential to book as early as you can. Train operators generally release their cheapest Advance tickets up to 12 weeks ahead of the travel date, making early booking the most effective way to secure a lower fare.

Check timetables and during the journey
How do I find London St. Pancras International to Cathays train timetables?
London St. Pancras International to Cathays trains are generally punctual, but delays or disruptions can happen due to weather, strikes, and other factors. With Train Journey Planner, finding a train timetable for your trip is simple. Enter your departure and arrival stations to view a detailed schedule of available trains. Provide your travel details to find the best routes, connections, and train times.
How early should I arrive for a train in the UK?
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
Do London St. Pancras International to Cathays trains offer Wi-Fi and other facilities?
Yes, most trains on the London St. Pancras International to Cathays route offer amenities like Wi-Fi, food services, and various seating options. Additional facilities may include power sockets, accessibility features, and luggage storage. Check the specific amenities offered by the train operator when booking, as these can vary.
How do I transfer between train stations in the UK?
Transferring between train stations in the UK can be effortless with some planning. If your travel requires a transfer, review your ticket and journey details for specific transfer instructions. Major stations typically feature clear signage and helpful staff. Additionally, TrainPal Train Journey Planner offers comprehensive transfer details.
What is the difference between Standard and First Class?
First Class offers an updated experience with more comfort and amenities, such as complimentary food and drinks. The exact services offered depend on the specific train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
Which train companies operate the London St. Pancras International to Cathays route?
The route from London St. Pancras International to Cathays is operated by Great Western Railway. To find the operator for any other journey, perform a search for your route on this page; the operator's name will be listed with each travel option.
Essential onboard rules and facilities
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Luggage
You can bring up to three pieces of luggage for free, including satchels, backpacks, suitcases, and similar items.
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Bicycle
A free reservation is required for bikes on most journeys due to limited space. While standard bicycles and folding bikes are widely permitted, some operators have provisions for e-bikes and tandems. Please note that e-scooters, motorcycles, tricycles, and bike trailers are not allowed. As policies vary, it is essential to consult your specific train operator's website for their definitive cycle rules before you travel.
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Children
Children under 5 usually travel free. Children aged 5–15 get 50% off, and 16-year-olds can use the 16-17 Saver Railcard for 50% off.
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Pets
Bring up to 2 pets free; keep dogs on a lead or in a carrier. No animals on seats or in restaurant carriages.
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Passenger assistance
All operators offer assistance services for passengers with disabilities or additional needs. This should be booked in advance to guarantee availability.
How to buy cheap London St. Pancras International to Cathays train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

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* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.





















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