How much does a train ticket from Southampton to Cardiff cost?

The average train ticket price from Southampton to Cardiff is $84. The best way to find train tickets from Southampton to Cardiff 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 Southampton to Cardiff?

A train trip between Southampton and Cardiff is around 2h 39m, although the fastest train will take about 2h 34m. This is the time it takes to travel the 87 miles that separates the two cities.

How many daily trains are there between Southampton and Cardiff?

The number of trains from Southampton to Cardiff can differ depending on the day of the week. On average, there are 5. Some trains are direct while others have layovers. Simplify your train trip from Southampton to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Southampton to Cardiff?

When taking the train from Southampton to Cardiff, you can travel comfortably and safely with Great Western Railway.

What are the best sights and things to do in Cardiff?

Once in Cardiff, you can explore the city. The top sights and things to do are Brecon Beacons National Park, Cardiff International White Water, St John the Baptist Church, Cardiff Castle, Wales Millennium Centre.

Train Southampton to Cardiff from $33

Previously seen trips

Next departures for Southampton to Cardiff on November 26
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	3:57pm	Southampton Central	3h 34m	7:31pm	Cardiff Central	No tags
Train	4:57pm	Southampton Central	3h 32m	8:29pm	Cardiff Central	No tags
Train	5:57pm	Southampton Central	3h 32m	9:29pm	Cardiff Central	No tags
Train	6:57pm	Southampton Central	3h 35m	10:32pm	Cardiff Central	No tags
Train	7:57pm	Southampton Central	3h 36m	11:33pm	Cardiff Central	No tags

Compare 3 ways to go from Southampton to Cardiff

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Cardiff. The journey takes about 3 hours 20 minutes and with fares starting at just $36, it presents an excellent value for a comfortable ride.

1carpool per day

3h 20mAverage Duration

87 milesDistance

6kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$19 - $61	Average Duration7h 20m	CO₂ emissions 3kg CO₂e
Train	Average Price$34 - $288	Average Duration2h 39m	CO₂ emissions 3kg CO₂e
Carpool	Average Price$36 - $36	Average Duration3h 20m	CO₂ emissions 6kg CO₂e

Where are the popular train stations and stops in Southampton and Cardiff?

Southampton

A
Southampton Airport
Visit page

Cardiff

A
Cardiff Central
Cardiff Central, UK
Visit page

Train Companies

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

Wifi4

Based on 42 reviews, the company was rated 4 stars on Busbud. Travelers were especially satisfied with the staff and the seats but often complained with the wifi. Great Western Railway ticket prices on this trip start at $34

Train and bus companies in GB:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

Frequently asked questions about traveling from Southampton to Cardiff by train

How much does a train ticket from Southampton to Cardiff cost?
How long is the train trip from Southampton to Cardiff?
How many daily trains are there between Southampton and Cardiff?
Which train companies travel from Southampton to Cardiff?
What are the best sights and things to do in Cardiff?

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11/24

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11/25

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Today

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11/27

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11/28

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11/29

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11/30

$66

12/01

$59

The cheapest trip from Southampton to Cardiff was searched and found on Dec 1, 2025 with a price of $59

To 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 $59 to $275 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 $59 which is on 2025-12-01.