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

The average train ticket price from Cardiff to Swansea is $11. The best way to find train tickets from Cardiff to Swansea 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 Swansea?

A train trip between Cardiff and Swansea is around 54m, although the fastest train will take about 50m. This is the time it takes to travel the 35 miles that separates the two cities.

How many daily trains are there between Cardiff and Swansea?

The number of trains from Cardiff to Swansea can differ depending on the day of the week. On average, there are 16. Some trains are direct while others have layovers. Simplify your train trip from Cardiff to Swansea by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Cardiff to Swansea?

When taking the train from Cardiff to Swansea, you can travel comfortably and safely with Transport for Wales, Great Western Railway.

Train Cardiff to Swansea from $7

Next train departures

Next departures for Cardiff to Swansea on November 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:40am	Cardiff Central	54m	8:34am	Swansea	Cheapest
Train	8:42am	Cardiff Central	50m	9:32am	Swansea	Fastest
Train	7:47am	Cardiff Central	1h 10m	8:57am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags

Next departures for Cardiff to Swansea on November 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:40am	Cardiff Central	54m	8:34am	Swansea	Cheapest
Train	8:42am	Cardiff Central	50m	9:32am	Swansea	Fastest
Train	7:47am	Cardiff Central	1h 10m	8:57am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags

Next departures for Cardiff to Swansea on November 20
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:40am	Cardiff Central	54m	8:34am	Swansea	Cheapest
Train	8:42am	Cardiff Central	50m	9:32am	Swansea	Fastest
Train	7:47am	Cardiff Central	1h 10m	8:57am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags

Next departures for Cardiff to Swansea on November 21
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:40am	Cardiff Central	54m	8:34am	Swansea	Cheapest
Train	8:42am	Cardiff Central	50m	9:32am	Swansea	Fastest
Train	7:47am	Cardiff Central	1h 10m	8:57am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags

Next departures for Cardiff to Swansea on November 22
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:41am	Cardiff Central	54m	8:35am	Swansea	Cheapest
Train	8:40am	Cardiff Central	51m	9:31am	Swansea	Fastest
Train	7:44am	Cardiff Central	1h 10m	8:54am	Swansea	No tags
Train	8:03am	Cardiff Central	55m	8:58am	Swansea	No tags
Train	8:03am	Cardiff Central	55m	8:58am	Swansea	No tags

Next departures for Cardiff to Swansea on November 23
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	8:27am	Cardiff Central	1h 5m	9:32am	Swansea	Cheapest
Train	9:44am	Cardiff Central	51m	10:35am	Swansea	Fastest
Train	9:44am	Cardiff Central	51m	10:35am	Swansea	No tags
Train	9:54am	Cardiff Central	1h 5m	10:59am	Swansea	No tags
Train	10:35am	Cardiff Central	51m	11:26am	Swansea	No tags

Next departures for Cardiff to Swansea on November 24
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	7:40am	Cardiff Central	54m	8:34am	Swansea	Cheapest
Train	8:42am	Cardiff Central	50m	9:32am	Swansea	Fastest
Train	7:47am	Cardiff Central	1h 10m	8:57am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags
Train	8:08am	Cardiff Central	54m	9:02am	Swansea	No tags

Last refresh of the prices: Today at 6:16 AM GMT.

Compare 3 ways to go from Cardiff to Swansea

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Swansea. The journey takes about 1 hour and with fares starting at just $8, 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$7 - $24	Average Duration1h 5m	CO₂ emissions 1kg CO₂e
Train	Average Price$8 - $33	Average Duration54m	CO₂ emissions 1kg CO₂e
Carpool	Average Price$8 - $8	Average Duration1h	CO₂ emissions 2kg CO₂e

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

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

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

Stops in Cardiff

A - Cardiff Central

Stops in Swansea

A - Swansea University - Bay Campus

Frequently asked questions about traveling from Cardiff to Swansea by train

How much does a train ticket from Cardiff to Swansea cost?
How long is the train trip from Cardiff to Swansea?
How many daily trains are there between Cardiff and Swansea?
Which train companies travel from Cardiff to Swansea?

Find cheapest prices for trains

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

Best price found

11/16

$10

11/17

$10

Today

$10

11/19

$10

11/20

$10

11/21

$10

11/22

$10

11/23

$10

The cheapest trip from Cardiff to Swansea was searched and found on Nov 18, 2025 with a price of $10

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

You can expect to pay from $10 to $31 for a train ticket from Cardiff to Swansea based on the last 2 days. You can expect to find the cheapest price for the trip at $10 which is on 2025-11-21.

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.