Trains tickets from Cardiff to Swansea

Discover your next train travel journey from Cardiff to Swansea and book online with ease

Join 75M+ travelers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every step.
Cancel anytime and receive a 100% refund, no reason needed.
TodayMay 1
from $10
TomorrowMay 2
SatMay 3
from $10
SunMay 4
MonMay 5
from $10
TueMay 6
WedMay 7
ThuMay 8

Trains leaving Saturday

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 3 at
    Destination city: Swansea
    Destination location: Swansea
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:
  • This trip is recommended because it is: Fastest
    Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 3 at
    Destination city: Swansea
    Destination location: Swansea
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 3 at
    Destination city: Swansea
    Destination location: Swansea
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:
  • Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 3 at
    Destination city: Swansea
    Destination location: Swansea
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Cardiff Central
    Arrival time: May 3 at
    Destination city: Swansea
    Destination location: Swansea
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Compare 3 ways to go from Cardiff to Swansea.

Bus
Average Price$6 - $18Average Duration1h 5m
1kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average Price$11 - $34Average Duration55m
1kg CO₂e5 out of 5 stars
Fastest
Carpool
Average Price$6 - $6Average Duration1h
2kg CO₂e4 out of 5 stars
busbud logoBusbud recommends carpooling from Cardiff to Swansea

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 $6, it presents an excellent value for a comfortable ride.

1carpool per day
1hAverage Duration
$6Cheapest ticket
2kgCO₂ emissions

Train Cardiff to Swansea: Trip Overview

Please note, this information is subject to change.

Average ticket price$11
Average train trip duration55m
Number of daily trains13
Earliest train departure7:40am
Distance35 miles (55 km)
Latest train departure11:51pm

Cardiff to Swansea Train

With Busbud, comparing and booking tickets for a train from Cardiff to Swansea is a breeze. Browse through an extensive selection of train fares and train schedules to find the best deals.

Train service from Cardiff to Swansea will be provided by the most trusted companies.

From train tickets to high-end trains trip from Cardiff to Swansea, we offer a wide range of train services to best suit your needs depending on how much your budget is.

Frequently asked questions for your trip Cardiff - Swansea

Find cheapest prices for trains

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

Best price found
04/29
$10
04/30
$10
Today
$10
05/02
No data
05/03
$10
05/04
$10
05/05
$10
05/06
$10
busbud logoThe cheapest trip from Cardiff to Swansea was searched and found on Apr 29, 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 $32 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 2025-05-04.

Usually RDG_GWR 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.

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 Cardiff to Swansea 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 Swansea, the planet will thank you. You’ll help to protect the beautiful landscapes that will unfold before your very eyes.

The train emits up to 30x less CO2 for a trip between Cardiff and Swansea compared to the same trip made by plane or car. A truly ecological mode of transport that will allow you to easily reduce your carbon footprint.

Make a music playlist for your train ride from Cardiff to Swansea, and enjoy the scenery to tunes from your own personal soundtrack.

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.

One of the deepest train stations in the world is in Kiev. Located at a depth of 105 m, it was designed in this way to serve as a shelter in the event of an attack. The second deepest station is in China. Badaling station is located 60 m under the Great Wall of China!

Will you be returning to Cardiff by train?

Train from Swansea to Cardiff

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. Use Busbud to book your trip online, in your own language and currency, wherever you are. With Busbud, you can buy tickets with confidence. We ensure that you make the most out of your bus trip by partnering up with reliable bus companies from all around the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

People from around the world trust Busbud

‌

Popular Trains Connecting Cardiff

Trains Leaving from Cardiff

Popular Trains Connecting Swansea

Trains Going to Swansea