Compare 3 ways to go from Southampton to Cardiff.
Busbud recommends taking the train from Southampton to CardiffAmong the sustainable travel choices, the train stands out as the good way to reach Cardiff. The journey takes about 2 hours 40 minutes and with fares starting at just $50, it presents an excellent value for a comfortable ride.
Train Southampton to Cardiff: Trip Overview
Please note, this information is subject to change.
Train Companies
Based on 41 reviews, the company was rated 3.9 stars on Busbud. Travelers were especially satisfied with the staff and the seats but often complained with the value for money. Great Western Railway ticket prices on this trip start at $50.00
Southampton to Cardiff Train
With Busbud, comparing and booking tickets for a train from Southampton to Cardiff is a breeze. Browse through an extensive selection of train fares and train schedules to find the best deals.
Train service from Southampton to Cardiff will be provided by the most trusted companies.
Whether it is train tickets or first class train tickets going to Cardiff from Southampton, we help you find what you're looking for based on how much of a budget you have.
Frequently asked questions for your trip Southampton - Cardiff
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 Apr 30, 2025 with a price of $34To 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.
About Train Travel
Train Travel Tips
Taking the fastest trains allows you to travel at speeds greater than 300 km/h. Taking a trip from Southampton to Cardiff is not only much quicker but more comfortable too! You can usually travel directly to the city centre and save time while you're at it.
No matter if you plan to take a regional or high-speed train to Cardiff, the planet will thank you. You’ll help to protect the beautiful landscapes that will unfold before your very eyes.
By choosing the train between Southampton and Cardiff, you emit up to 30 times less CO2 than for the same journey made by plane or car!
Create your own real life musical score by curating a personalized train travel playlist - the perfect accompaniment to your bus ride from Southampton to Cardiff.
Did you know?
Railway companies played a major role as early as 1883 in the use of time zones as we know them today.
The first high-speed train line was inaugurated in 1964, in Japan, to connect Tokyo with Osaka. It was during the Olympics that the first passengers traveled aboard the Shinkansen at a speed of 210 km / h.
You can find dogs as passengers on the trains of Moscow, where there is a large number of stray dogs. Over time, the dogs have learned the inner workings of the rail system and it is not uncommon to find one traveling between the city and the suburbs.
Top Traveled Train Routes
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