Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Cardiff Central | Southampton Central | No tags | ||||
| Train | Cardiff Central | Southampton Central | No tags | ||||
| Train | Cardiff Central | Southampton Central | No tags | ||||
| Train | Cardiff Central | Southampton Central | No tags | ||||
| Train | Cardiff Central | Southampton Central | No tags |
Compare 3 ways to travel from Cardiff to Southampton
Among the sustainable travel choices, the train stands out as a good way to reach Southampton. The journey takes about 2 hours 36 minutes and with fares starting at just £26, it presents an excellent value for a comfortable ride.
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 £26
Where are the popular train stations and stops in Cardiff and Southampton?
Frequently asked questions about travelling from Cardiff to Southampton by train
How much does a cheap train ticket from Cardiff to Southampton cost?
The average train ticket price from Cardiff to Southampton is £66. The best way to find cheap train tickets from Cardiff to Southampton is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the train trip from Cardiff to Southampton?
A train trip between Cardiff and Southampton is around 2h 36m, although the fastest train will take about 2h 32m. This is the time it takes to travel the 87 miles that separates the two cities.
How many daily train are there between Cardiff and Southampton?
The number of trains from Cardiff to Southampton can differ depending on the day of the week. On average, there are 5. Some trains are direct while others include transferring trains. Simplify your train trip from Cardiff to Southampton by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Cardiff to Southampton?
When taking the train from Cardiff to Southampton, you can travel comfortably and safely with Great Western Railway.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Cardiff to Southampton was searched and found on 21 Nov 2025 with a price of £47To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Cardiff to Southampton as early as possible.
You can expect to pay from £47 to £65 for a train ticket from Cardiff to Southampton based on the last 2 days. You can expect to find the cheapest price for the trip at £47, which is on 2025-11-21.
