Bus Tickets from Southampton to Cardiff

Next bus departures

Next departures for Southampton to Cardiff on November 18
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
National ExpressBus
    		University of Southampton
    		Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)Cheapest
    National ExpressBus
      		University of Southampton
      		Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)Fastest
      National ExpressBus
        		University of Southampton
        		Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)No tags
        FlixbusBus
        		Southampton
        		Cardiff North Road (Friary Gardens)No tags
        National ExpressBus
          		University of Southampton
          		Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)No tags

          Last refresh of the prices: Last Thursday at 10:55 PM GMT.

          Compare 3 ways to go from Southampton to Cardiff

          We recommend carpooling

          Among 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 $51, it presents an excellent value for a comfortable ride.

          1carpool per day
          3h 20mAverage Duration
          140 kmDistance
          6kgCO₂ emissions
          Bus
          		Average Price$27 - $90Average Duration7h 20m
          3kg CO₂e
          Train
          		Average Price$51 - $424Average Duration2h 38m
          3kg CO₂e
          Carpool
          		Average Price$51 - $51Average Duration3h 20m
          6kg CO₂e

          Frequently asked questions about travelling from Southampton to Cardiff by bus

          1. How far is Southampton from Cardiff?

            The distance covered from Southampton to Cardiff is 140 km (87 miles).

          2. What are the departure and arrival locations for buses traveling from Southampton to Cardiff?

            Buses traveling this route start their trip at Southampton Coach Station, in Southampton, and end it at Cardiff University (o/s Cathays Rail Stn), in Cardiff.

          Find cheapest prices for buses

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

          Best price found
          11-16
          $52
          11-17
          $26
          Today
          $32
          11-19
          $25
          11-20
          $25
          11-21
          $22
          11-22
          No data
          11-23
          No data
          busbud logoThe cheapest trip from Southampton to Cardiff was searched and found on Nov 21, 2025 with a price of $22

          To 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 $22 to $96 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 $22 which is on 2025-11-21.

          Usually National Express 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.

          What's the cheapest way to go from Southampton to Cardiff?

          busbud logoThe bus is the cheapest travel choice for this destination

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