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Travelling from Southampton to Cardiff Central, the fastest train takes 2h 12m with an average travel time of 2h 47m. 48 trains are running daily, with the first departing at 05:23 and the last at 23:08. Stay updated with live train status, times, delays, and cancellations on TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
05:23 Southampton Airport Parkway | 3h 16m, 1 change | 08:39 Cardiff Central | CrossCountry | Find tickets |
05:33 Southampton Central | 3h 6m, 2 change | 08:39 Cardiff Central | Great Western Railway | Find tickets |
05:33 Southampton Central | 3h 15m, 1 change | 08:48 Cardiff Central | Great Western Railway | Find tickets |
06:24 Southampton Airport Parkway | 2h 44m, 1 change | 09:08 Cardiff Central | CrossCountry | Find tickets |
06:47 Southampton Central | 2h 58m, Direct | 09:45 Cardiff Central | Great Western Railway | Find tickets |
Taking the train from Southampton to Cardiff Central is both efficient and enjoyable, offering scenic views and comfort. With frequent departures from Southampton, you can arrive at Cardiff Central in just 2h 12m, making it a quick and convenient option for travelling between these two places.

The quickest train journey from Southampton to Cardiff Central takes 2h 12m . Utilise our Train Journey Planner to locate direct trains, minimise transfers, and compare travel times across various routes. Discover the most efficient way to travel with fewer stops for a smooth and seamless journey.
No, unfortunately, you need to transfer from Southampton to Cardiff Central. 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.

While Southampton to Cardiff Central trains are usually on time, delays or disruptions may occur due to weather, strikes, and other factors. Finding a train timetable for your trip from Southampton to Cardiff Central is easy with Train Journey Planner. Simply enter your departure and arrival stations to get a detailed schedule of available trains. Input your travel details to discover the best routes, connections, and train times.
It’s recommended to reach the train station 15-20 minutes before your train is set to leave. This gives you sufficient time to locate your platform, particularly in larger stations. Arriving early is also beneficial if you need to collect tickets or find your way around an unfamiliar station, helping to minimise any potential stress.
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Make use of our Train Journey Planner for detailed transfer information, ensuring your journey is smooth and efficient, saving you valuable time and effort, and allowing you to rest completely for your travels.

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.
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Trainpal makes it simple to adjust your travel plans, get refunds, and request Delay Repay.


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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.
* By combining Advance Ticket offers with split tickets, you’ll get lower fares when you book at least one week before travel (excluding Anytime fares bought on the day of travel). Availability depends on the specific route and cannot be combined with other promotions.