How much is the train ticket from Southampton to Cardiff?

The cheapest train tickets from Southampton to Cardiff start from R 277. The average price for this train route is around R 1 405. Busbud recommends booking your tickets in advance for a better chance to secure the lowest possible price.

How long is the train journey from Southampton to Cardiff?

The average train journey time from Southampton to Cardiff is 2h 39m, covering a distance of 139 km. The quickest train can get 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 run on 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 08:09. And the latest train departs at 21:12.

Train Southampton to Cardiff from R 543

Previously seen journeys

Next departures from Southampton to Cardiff on 30 January
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	08:23	Southampton Central	3h 17m	11:40	Cardiff Central	No tags
Train	09:11	Southampton Central	2h 35m	11:46	Cardiff Central	No tags
Train	15:11	Southampton Central	2h 38m	17:49	Cardiff Central	No tags
Train	16:11	Southampton Central	2h 38m	18:49	Cardiff Central	No tags
Train	17:11	Southampton Central	2h 40m	19:51	Cardiff Central	No tags

Compare 2 ways to travel from Southampton to Cardiff

We recommend taking the train

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 R 277, it presents an excellent value for a comfortable ride.

6train per day

2h 39mAverage duration

139 kmDistance

3kgCO₂ emissions

	Average price	Average duration	CO₂ emissions	Actions
Bus	Average priceR 295 - R 1 191	Average duration7h 20m	CO₂ emissions 3kg CO₂e
Train	Average priceR 277 - R 1 428	Average duration2h 39m	CO₂ emissions 3kg CO₂e

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

Southampton

A
Southampton Airport

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. Travellers were especially satisfied with the staff and the seats but often complained about the Wi-Fi. Great Western Railway ticket prices on this trip start at R 277

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, Amtrak Acela, CrossCountry

Frequently asked questions about travelling from Southampton to Cardiff by train

Please note that timetables, routes, or operator details shown here may be updated or differ 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 from R 277. The average price for this train route is around R 1 405. Busbud recommends booking your tickets in advance for a better chance to secure the lowest possible price.
How long is the train journey from Southampton to Cardiff?
The average train journey time from Southampton to Cardiff is 2h 39m, covering a distance of 139 km. The quickest train can get 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 run on 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 08:09. And the latest train departs at 21:12.

Find cheapest prices for trains

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

Best price found

28/01

R 1 215

29/01

No data

Today

R 976

31/01

No data

01/02

No data

02/02

No data

03/02

R 1 215

04/02

No data

The cheapest trip from Southampton to Cardiff was searched and found on 30 Jan 2026 with a price of R 976

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 R 976 to R 1 329 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 R 1 215, which is on 2026-02-03.