Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Cardiff Central | Swansea | Cheapest | ||||
 | Train | Cardiff Central | Swansea | Fastest | ||||
| Train | Cardiff Central | Swansea | No tags | ||||
| Train | Cardiff Central | Swansea | No tags | ||||
| Train | Cardiff Central | Swansea | No tags |
Last refresh of the prices: Today at 10:45 PM GMT.
Compare 3 ways to go 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 $5, it presents an excellent value for a comfortable ride.
Where are the popular train stations and stops in Cardiff and Swansea?
Train Companies
Frequently asked questions about traveling from Cardiff to Swansea by train
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the train ticket from Cardiff to Swansea?
The cheapest train tickets from Cardiff to Swansea start from $8. The average price for this train route is around $11. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the train journey from Cardiff to Swansea?
The average train ride duration from Cardiff to Swansea is 54m, covering a distance of 35 miles (56 km). The quickest train can get you there in 50m and is operated by Great Western Railway.
Which train operators service the Cardiff to Swansea route?
Several major train operators operate on this route with 18 trains available per day, including services from Transport for Wales, Great Western Railway.
What is the earliest and latest departure time for the train from Cardiff to Swansea?
The earliest train departs from Cardiff to Swansea at 7:21am. And the latest train departs at 11:51pm.
What is the best train operator from Cardiff to Swansea?
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 Cardiff to Swansea?
Based on reviews on Busbud, the train operator Transport for Wales has the best Wi-Fi rating with a score of 5.0.
Which train operator has the most timely service from Cardiff to Swansea?
According to Busbud traveller reviews, the most timely 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 Cardiff to Swansea?
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.
The cheapest trip from Cardiff to Swansea was searched and found on Dec 9, 2025 with a price of $10To 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 $11 which is on 2025-12-14.
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.
