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The journey from Southampton to Cardiff Central on the fastest train in 2h 12m, usually 2h 47m. Each day, 47 trains leave from Southampton, starting at 05:23 and ending at 22:22. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
14:11 Southampton Central | 2h 39m, Direct | 16:50 Cardiff Central | Great Western Railway | Find tickets |
14:23 Southampton Airport Parkway | 2h 13m, 1 change | 16:36 Cardiff Central | CrossCountry | Find tickets |
14:38 Southampton Airport Parkway | 2h 58m, 3 change | 17:36 Cardiff Central | South Western Railway | Find tickets |
15:11 Southampton Central | 2h 38m, Direct | 17:49 Cardiff Central | Great Western Railway | Find tickets |
16:11 Southampton Central | 2h 38m, Direct | 18:49 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 fastest train journey time from Southampton to Cardiff Central is 2h 12m . Use our Train Journey Planner to find direct trains, avoid transfers, and compare travel times for each route to see if there are fewer stops to make your journey seamless.
No, you will need to transfer when travelling from Southampton to Cardiff Central. TrainPal Train Journey Planner will assist you in finding the best train route. Enter the origin or destination places and other relevant details, then click "Search" to find the most suitable route.

Southampton to Cardiff Central trains are generally punctual, but delays or cancellations can occur due to weather, strikes, and other factors. After purchasing a ticket, use TrainPal to track live train updates. Before buying a ticket, our Train Journey Planner provides all necessary booking information. Simply enter your departure and arrival stations, click 'Search,' and view routes labelled 'Cheapest' or 'Fastest,' with all details displayed.
Typically, you should plan to arrive at the station 15-20 minutes before your train is scheduled to depart. However, the size of the station and your familiarity with it can affect this timing. For larger or less familiar stations, leaving home earlier can help reduce stress and ensure a more relaxed journey.
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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.

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.
Family & Friends Railcard€58.56
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Trainpal makes it simple to adjust your travel plans, get refunds, and request Delay Repay.


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* 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.