Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | University of Southampton | Cardiff University (o/s Cathays Rail Stn) | No tags | |||||
| University of Southampton | Cardiff University (o/s Cathays Rail Stn) | No tags | |||||
| University of Southampton | Cardiff (Gabalfa Interchange, o/s Roberts Optometrists) | No tags | |||||
| University of Southampton | Cardiff University (o/s Cathays Rail Stn) | No tags | |||||
| University of Southampton | Cardiff (Gabalfa Interchange, o/s Roberts Optometrists) | No tags |
Accepted payments
Compare 3 ways to travel from Southampton to Cardiff
We recommend carpoolingAmong the sustainable travel choices, the carpool stands out as a good way to reach Cardiff. The journey takes about 3 hours 20 minutes and with fares starting at just US$36, it presents an excellent value for a comfortable ride.
Bus Southampton to Cardiff: Trip Overview
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Southampton to Cardiff Bus
With Busbud, comparing and booking tickets for a bus from Southampton to Cardiff is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.
Bus service from Southampton to Cardiff will be provided by the most trusted bus companies.
Whether it is cheap bus tickets or more luxurious buses going to Cardiff from Southampton, we help you find what you're looking for based on how much of a budget you have.
Where are the popular stops in Southampton and Cardiff?
Frequently asked questions on the trip Southampton - Cardiff
How much does a bus ticket from Southampton to Cardiff cost?
The bus ticket price from Southampton to Cardiff starts at US$20. The best way to find cheap bus tickets from Southampton to Cardiff 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 bus ride from Southampton to Cardiff?
The average travel time between Southampton and Cardiff is around 7h 20m, although the fastest bus will take about 6h 25m. This is the time it takes to travel the 140 km that separates the two cities.
How many daily bus connections are there between Southampton and Cardiff?
The number of buses from Southampton to Cardiff can differ depending on the day of the week. On average, there are 13 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from Southampton to Cardiff by comparing and selecting the bus that fits your travel style and budget on Busbud.
Which bus companies travel from Southampton to Cardiff?
When taking the bus from Southampton to Cardiff, you can travel comfortably and safely with National Express, FlixBus.
What are the departure and arrival stations when taking the bus from Southampton to Cardiff?
Buses travelling between Southampton and Cardiff leave from Southampton Coach Station or Southampton Bus Stop and arrive at Cardiff University (o/s Cathays Rail Stn), Sophia Gardens, Cardiff Coach Station - Sophia Gardens.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Southampton to Cardiff was searched and found on 03 Nov 2025 with a price of US$21To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Southampton to Cardiff as early as possible.
You can expect to pay from US$21 to US$36 for a bus ticket from Southampton to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at US$21, which is on 2025-11-03.
About Bus Travel
Bus Travel Tips
Meet and talk to locals at the bus stations while travelling from Southampton to Cardiff.There is no better way to get inside travel information while exploring a new city than to go straight to its people.
Much more than a mere vehicle taking you from Southampton to Cardiff, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.
Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Southampton to Cardiff.
Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Southampton to Cardiff.
Did you know?
Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!
9.2% of ground transportation in Europe is done by bus versus 7.4% by train.
The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!
What's the cheapest way to go from Southampton to Cardiff?
The bus is the cheapest travel choice for this destinationTop travelled bus routes
Why choose Busbud?
The Best Way To Book Bus and Train Tickets
Busbud helps you easily search, compare and book intercity bus tickets on a worlwide scale with our comprehensive list of bus routes and schedules. With several language and currency options available, Busbud seeks to cater to international bus travellers no matter where they are in the world. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.
People from around the world trust Busbud
Popular Buses Connecting Southampton
Buses Leaving from Southampton
- Bus from Southampton to Bournemouth
- Coach Southampton - Middlesbrough
- Bus Southampton - Heathrow
- Bus from Southampton to London
- Coach Southampton - Birmingham
- Bus Southampton - Winchester
- Bus from Southampton to Cambridge
- Coach Southampton - Parkstone
- Bus Southampton - Wembley
- Bus from Southampton to Cardiff
- Coach Southampton - Helston
- Bus Southampton - Portsmouth
- Bus from Southampton to Grampound
- Coach Southampton - Gatwick
- Bus Southampton - Manchester
Buses Going to Southampton
- Bus from Brighton to Southampton
- Coach Leicester - Southampton
- Bus Bournemouth - Southampton
- Bus from Swansea to Southampton
- Coach Heathrow - Southampton
- Bus Northampton - Southampton
- Bus from Liskeard to Southampton
- Coach Portsmouth - Southampton
- Bus Stansted - Southampton
- Bus from Coventry to Southampton
- Coach Shoreham-by-Sea - Southampton
- Bus Silverstone - Southampton
- Bus from Truro to Southampton
- Coach Branksome - Southampton
- Bus Bridgend - Southampton
Popular Buses Connecting Cardiff
Buses Leaving from Cardiff
- Bus from Cardiff to Newport
- Coach Cardiff - Edinburgh
- Bus Cardiff - Preston
- Bus from Cardiff to London
- Coach Cardiff - Heathrow
- Bus Cardiff - Gatwick
- Bus from Cardiff to Poole
- Coach Cardiff - Nailsea
- Bus Cardiff - Johnston
- Bus from Cardiff to Gorseinon
- Coach Cardiff - Liverpool
- Bus Cardiff - Gloucester
- Bus from Cardiff to Plymouth
- Coach Cardiff - Wembley
- Bus Cardiff - Chepstow
Buses Going to Cardiff
- Bus from Bristol to Cardiff
- Coach Swansea - Cardiff
- Bus Luton - Cardiff
- Bus from Preston to Cardiff
- Coach Portsmouth - Cardiff
- Bus London - Cardiff
- Bus from Worcester to Cardiff
- Coach York - Cardiff
- Bus Glasgow - Cardiff
- Bus from Brighton to Cardiff
- Coach Shepton Mallet - Cardiff
- Bus Tenby - Cardiff
- Bus from Darlington to Cardiff
- Coach Manchester - Cardiff
- Bus Newquay - Cardiff