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

The cheapest train tickets from Swansea to Cardiff start from £6. The average price for this train route is around £9. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.

How long is the train journey from Swansea to Cardiff?

The average train journey time from Swansea to Cardiff is 55m, covering a distance of 35 miles. The fastest train gets you there in 50m and is operated by Transport for Wales .

Which train operators serve the Swansea to Cardiff route?

Several major train operators run on this route with 17 trains available per day, including services from Transport for Wales , Great Western Railway .

What are the earliest and latest departure times for the train from Swansea to Cardiff?

The earliest train from Swansea to Cardiff departs at 07:03. And the latest train departs at 23:32.

Which is the best train operator from Swansea to Cardiff?

According to Busbud customers, the highest-rated train operator on this route is Great Western Railway , with an average rating of 4.0 out of 5 stars based on 42 reviews.

Which train operator has the best Wi-Fi from Swansea to Cardiff?

According to reviews on Busbud, the train operator Transport for Wales has the highest Wi-Fi rating with a score of 5.0.

Which train operator has the most punctual service from Swansea to Cardiff?

According to Busbud traveller reviews, the most punctual train operator on this route is Transport for Wales , with a punctuality rating of 5.0 out of 5 stars.

Which train operator has the cleanest trains from Swansea to Cardiff?

According to Busbud traveller reviews, the train operator with the cleanest trains on this route is Transport for Wales , with a cleanliness rating of 5.0 out of 5 stars.

Train Swansea to Cardiff from £6

Next train departures

Next departures from Swansea to Cardiff on 12 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:23	Swansea	1h 9m	08:32	Cardiff Central	Cheapest
Train	07:18	Swansea	52m	08:10	Cardiff Central	Fastest
Train	07:18	Swansea	52m	08:10	Cardiff Central	No tags
Train	07:52	Swansea	54m	08:46	Cardiff Central	No tags
Train	07:43	Swansea	52m	08:35	Cardiff Central	No tags

Next departures from Swansea to Cardiff on 13 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:27	Swansea	1h 11m	08:38	Cardiff Central	Cheapest
Train	07:22	Swansea	53m	08:15	Cardiff Central	Fastest
Train	07:22	Swansea	53m	08:15	Cardiff Central	No tags
Train	07:52	Swansea	54m	08:46	Cardiff Central	No tags
Train	07:47	Swansea	53m	08:40	Cardiff Central	No tags

Next departures from Swansea to Cardiff on 14 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	08:41	Swansea	58m	09:39	Cardiff Central	Cheapest
Train	15:23	Swansea	52m	16:15	Cardiff Central	Fastest
Train	07:55	Swansea	53m	08:48	Cardiff Central	No tags
Train	09:30	Swansea	56m	10:26	Cardiff Central	No tags
Train	07:55	Swansea	53m	08:48	Cardiff Central	No tags

Next departures from Swansea to Cardiff on 15 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:23	Swansea	1h 9m	08:32	Cardiff Central	Cheapest
Train	07:18	Swansea	52m	08:10	Cardiff Central	Fastest
Train	07:18	Swansea	52m	08:10	Cardiff Central	No tags
Train	07:52	Swansea	54m	08:46	Cardiff Central	No tags
Train	07:44	Swansea	52m	08:36	Cardiff Central	No tags

Next departures from Swansea to Cardiff on 16 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:23	Swansea	1h 9m	08:32	Cardiff Central	Cheapest
Train	07:18	Swansea	52m	08:10	Cardiff Central	Fastest
Train	07:18	Swansea	52m	08:10	Cardiff Central	No tags
Train	07:52	Swansea	54m	08:46	Cardiff Central	No tags
Train	07:44	Swansea	52m	08:36	Cardiff Central	No tags

Next departures from Swansea to Cardiff on 17 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:23	Swansea	1h 9m	08:32	Cardiff Central	Cheapest
Train	07:18	Swansea	52m	08:10	Cardiff Central	Fastest
Train	07:18	Swansea	52m	08:10	Cardiff Central	No tags
Train	07:52	Swansea	54m	08:46	Cardiff Central	No tags
Train	07:44	Swansea	52m	08:36	Cardiff Central	No tags

Next departures from Swansea to Cardiff on 18 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:23	Swansea	1h 9m	08:32	Cardiff Central	Cheapest
Train	07:18	Swansea	52m	08:10	Cardiff Central	Fastest
Train	07:18	Swansea	52m	08:10	Cardiff Central	No tags
Train	07:52	Swansea	54m	08:46	Cardiff Central	No tags
Train	07:44	Swansea	52m	08:36	Cardiff Central	No tags

Last refresh of the prices: Today at 19:46 GMT.

Compare 3 ways to travel from Swansea to Cardiff

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Cardiff. The journey takes about 1 hour and with fares starting at just £6, it presents an excellent value for a comfortable ride.

1carpool per day

1hAverage duration

35 milesDistance

2kgCO₂ emissions

	Average price	Average duration	CO₂ emissions
Bus	Average price£5 - £19	Average duration1h 10m	CO₂ emissions 1kg CO₂e
Train	Average price£6 - £26	Average duration55m	CO₂ emissions 1kg CO₂e
Carpool	Average price£6 - £6	Average duration1h	CO₂ emissions 2kg CO₂e

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

Swansea

A
Swansea University - Bay Campus
Elba Crescent, Skewen, Swansea SA1 8QQ, UK
Visit page

Cardiff

A
Cardiff Central
Cardiff Central, UK
Visit page

Train Companies

Transport for Wales

3.5/58 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

WiFi4

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

Frequently asked questions about travelling from Swansea to Cardiff by train

Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.

How much does a train ticket cost from Swansea to Cardiff?
The cheapest train tickets from Swansea to Cardiff start from £6. The average price for this train route is around £9. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Swansea to Cardiff?
The average train journey time from Swansea to Cardiff is 55m, covering a distance of 35 miles. The fastest train gets you there in 50m and is operated by Transport for Wales.
Which train operators serve the Swansea to Cardiff route?
Several major train operators run on this route with 17 trains available per day, including services from Transport for Wales, Great Western Railway.
What are the earliest and latest departure times for the train from Swansea to Cardiff?
The earliest train from Swansea to Cardiff departs at 07:03. And the latest train departs at 23:32.
Which is the best train operator from Swansea to Cardiff?
According to Busbud customers, the highest-rated train operator on this route is Great Western Railway, with an average rating of 4.0 out of 5 stars based on 42 reviews.
Which train operator has the best Wi-Fi from Swansea to Cardiff?
According to reviews on Busbud, the train operator Transport for Wales has the highest Wi-Fi rating with a score of 5.0.
Which train operator has the most punctual service from Swansea to Cardiff?
According to Busbud traveller reviews, the most punctual train operator on this route is Transport for Wales, with a punctuality rating of 5.0 out of 5 stars.
Which train operator has the cleanest trains from Swansea to Cardiff?
According to Busbud traveller reviews, the train operator with the cleanest trains on this route is Transport for Wales, with a cleanliness rating of 5.0 out of 5 stars.

Find cheapest prices for trains

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

Best price found

09/12

£8

10/12

£8

Today

£8

12/12

£8

13/12

£8

14/12

£8

15/12

£8

16/12

£8

The cheapest trip from Swansea to Cardiff was searched and found on 9 Dec 2025 with a price of £8

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Swansea to Cardiff as early as possible.

You can expect to pay from £8 to £24 for a train ticket from Swansea to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at £8, which is on 2025-12-16.

Usually Great Western Railway will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.