Previously seen trips
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Southampton Central | Cardiff Central | No tags | ||||
| Train | Southampton Central | Cardiff Central | No tags | ||||
| Train | Southampton Central | Cardiff Central | No tags | ||||
| Train | Southampton Central | Cardiff Central | No tags | ||||
| Train | Southampton Central | Cardiff Central | No tags |
Compare 2 ways to go from Southampton to Cardiff
Among the sustainable travel choices, the Train stands out as a good way to reach Cardiff. The journey takes about 2 hours 39 minutes, and with fares starting at just $24, it presents an excellent value for a comfortable ride.
Where are the popular train stations and stops in Southampton and Cardiff?
Train companies
Based on 42 reviews, the company was rated 4 stars on Busbud. Travellers were especially satisfied with the staff and the seats but often complained with the Wi‑Fi. Great Western Railway ticket prices on this trip start at $24
Frequently asked questions about travelling from Southampton to Cardiff by train
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the train ticket from Southampton to Cardiff?
The cheapest train tickets from Southampton to Cardiff start at $24. The average price for this train route is around $120. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from Southampton to Cardiff?
The average train trip from Southampton to Cardiff takes 2h 39m and covers 139 km. The quickest train gets you there in 2h 33m and is operated by Great Western Railway.
Which train operators serve the Southampton to Cardiff route?
Several major train operators serve this route, with 6 trains available per day.
What are the earliest and latest departure times for the train from Southampton to Cardiff?
The earliest train from Southampton to Cardiff departs at 8:09am. The latest train departs at 9:12pm.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Southampton to Cardiff was searched and found on Jan 30, 2026 with a price of $83To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Southampton to Cardiff, as early as possible.
You can expect to pay from $83 to $114 for a train ticket from Southampton to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $104 which is on 2026-02-03.
