The cheapest and fastest trains from Severn Tunnel Junction (STJ) to Cardiff Central (CDF)
Cheapest price
£13
Average price
£13
Fastest journey
26 m
Average duration
27 m
Trains per day
3
Distance
30 km
The best way to find a cheap train ticket from Severn Tunnel Junction (STJ) to Cardiff Central (CDF) is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Severn Tunnel Junction (STJ) to Cardiff Central (CDF) will cost around £13 if you buy it on the day, but you can find cheap train tickets today for only £13.
Of the 3 trains that leave Severn Tunnel Junction (STJ) for Cardiff Central (CDF) every day 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct trains cover the 30 km distance in an average of 27 m but if you time it right, some trains will get you there in just 26 m .
The slowest trains will take 28 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.






Live departures
Severn Tunnel Junction (STJ) to Cardiff Central (CDF) train times
The table below shows live departures for Severn Tunnel Junction (STJ) to Cardiff Central (CDF) trains for today, Sunday 22 March. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 11:35 Severn Tunnel Junction (STJ) | 0h23 | 11:58 Cardiff Central (CDF) | 0 changesdirect | |
| Monday 23 March | |||||
![]() | 08:34 Severn Tunnel Junction (STJ) | 0h26 | 09:00 Cardiff Central (CDF) | 0 changesdirect | |
![]() | 09:33 Severn Tunnel Junction (STJ) | 0h28 | 10:01 Cardiff Central (CDF) | 0 changesdirect | |
![]() | 10:33 Severn Tunnel Junction (STJ) | 0h26 | 10:59 Cardiff Central (CDF) | 0 changesdirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Severn Tunnel Junction (STJ) to Cardiff Central (CDF) by train
Compare train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
23 Mar
24 Mar
25 Mar
26 Mar
27 Mar
28 Mar
29 Mar
Why should you book Severn Tunnel Junction (STJ) to Cardiff Central (CDF) trains with Omio?
Why book with Omio vs Great Western Rail?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Rail, but also compare tickets for the likes of Transport for Wales, CrossCountry, Cross Country or Great Western Railway (GWR) to find the best option for your trip from Severn Tunnel Junction (STJ) to Cardiff Central (CDF).
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Transport for Wales, CrossCountry, Cross Country or Great Western Railway (GWR) to find the best option for your trip from Severn Tunnel Junction (STJ) to Cardiff Central (CDF).
Journey information
Overview: Train from Severn Tunnel Junction (STJ) to Cardiff Central (CDF)
Trains from Severn Tunnel Junction (STJ) to Cardiff Central (CDF) run on average 7 times per day, taking around 29m. Cheap train tickets for this journey start at £9 if you book in advance.
There are 7 trains per day. The earliest train runs at 07:33, the last at 17:46. The fastest train covers the 30 km distance in 23m.
Distance 30 km |
Average train duration 29m |
Cheapest ticket price £9 |
Trains per day 7 |
Direct trains 7 |
Fastest train 23m |
First train 07:33 |
Last train 17:46 |
Train companies: Great Western Rail, Transport for Wales, CrossCountry, Cross Country, Great Western Railway (GWR) from Severn Tunnel Junction (STJ) to Cardiff Central (CDF) trainsGreat Western Rail, Transport for Wales, CrossCountry, Cross Country, Great Western Railway (GWR) trains will get you between Severn Tunnel Junction (STJ) and Cardiff Central (CDF) from £9. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
Transport for Wales
CrossCountry
Cross Country
Great Western Railway (GWR)
FAQs: Severn Tunnel Junction (STJ) to Cardiff Central (CDF) train
Find answers to the most common questions about traveling from Severn Tunnel Junction (STJ) to Cardiff Central (CDF) by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Cardiff Central (CDF), this guide helps you travel smarter and with confidence.


