Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Cardiff (Gabalfa Interchange, o/s Clinic) | University of Southampton | Cheapest | ||||
 | Bus | Cardiff North Road (Friary Gardens) | Southampton University | Fastest | ||||
| Bus | Cardiff (Gabalfa Interchange, o/s Clinic) | University of Southampton | No tags | ||||
| Bus | Cardiff North Road (Friary Gardens) | Southampton | No tags | ||||
| Bus | Cardiff (Gabalfa Interchange, o/s Clinic) | University of Southampton | No tags |
Last refresh of the prices: Last Tuesday at 23:38 GMT.
Compare 3 ways to travel from Cardiff to Southampton
Among the sustainable travel choices, the train stands out as a good way to reach Southampton. The journey takes about 2 hours 36 minutes and with fares starting at just £27, it presents an excellent value for a comfortable ride.
Compare bus companies
Based on 29722 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the Wi-Fi. National Express ticket prices on this trip start at £15
National Express Cardiff Southampton recent customer reviews
Very helpful drivers, great info about getting to our final destination. Pretty full as it was half-term but journey was good. Looking forward to the return trip in 16 days time. Good value for money.
Judith H.
Where are the popular stops in Cardiff and Southampton?
Frequently asked questions about travelling by bus from Cardiff to Southampton
What's the distance between Cardiff and Southampton by coach?
The distance between Cardiff and Southampton by coach is approximately 87 miles (140 km).
How can I get from Cardiff to Southampton without driving?
You can travel to Southampton from Cardiff by coach, which provides a smooth ride and an affordable and convenient trip. Depending on your preferences, another alternative is to explore ridesharing trips.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Cardiff to Southampton was searched and found on 21 Nov 2025 with a price of £14To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Cardiff to Southampton as early as possible.
You can expect to pay from £14 to £50 for a bus ticket from Cardiff to Southampton based on the last 2 days. You can expect to find the cheapest price for the trip at £14, which is on 2025-11-21.
