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Southampton to Cardiff Bus

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16/07/2025
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Southampton to Cardiff by bus

The journey from Southampton to Cardiff by bus is 86.68 mi and takes 6 hrs 29 mins. There are 4 connections per day, with the first departure at 04:57 and the last at 18:40. It is possible to travel from Southampton to Cardiff by bus for as little as £13.56 or as much as £44.10. The best price for this journey is £13.56.

Lowest Price £13.56
Journey Duration 6 hrs 29 mins
Connection per Day 4
Lowest Price £13.56
Highest Price £44.10
First Departure 04:57
Last Departure 18:40
Distance 86.68 mi
Departure Southampton
Arrival Cardiff
Carriers National Express

Best time to book cheap bus tickets from Southampton to Cardiff

The cheapest Southampton - Cardiff bus tickets can be found for as low as £13.43 if you’re lucky, or £24.17 on average. The most expensive ticket can cost as much as £44.59.

Find the best day to travel to Cardiff by bus

When travelling to Cardiff by bus, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Services on board National Express from Southampton to Cardiff
Compare services on board when travelling from Southampton to Cardiff by bus.
Facilities National Express
quiet_zone Quiet zone check
wifi WiFi check
power_sockets Power sockets check
luggage Luggage check
accessibility Accessibility check
food_and_drink Food and drink check
air_con Air conditioning check
bicycle Bicycle check
sleeper_couchette Sleeper check

Southampton to Cardiff CO2 Emissions by Bus

Ecology
Train
9.76kg
Bus
10.46kg
Flight
27.9kg
Car
22.32kg

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Frequently Asked Questions

How much is a bus ticket from Southampton to Cardiff?
A bus ticket from Southampton to Cardiff is £29.65. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as £13.56.
What's the cheapest bus ticket from Southampton to Cardiff?
The cheapest ticket you can get from Southampton to Cardiff is £13.56. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Southampton and Cardiff by bus?
Southampton to Cardiff is 86.68 mi.
How long does the bus between Southampton and Cardiff take?
Southampton to Cardiff is on average 6 hrs 29 mins. However the fastest option will get you there in 6 hrs 5 mins.
How many bus connections per day go from Southampton to Cardiff?
Southampton to Cardiff has 4 connection(s) per day on average.
What time does the first bus from Southampton to Cardiff leave?
The earliest bus from Southampton to Cardiff departs at 04:57. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last bus from Southampton to Cardiff depart?
The latest bus from Southampton to Cardiff departs at 18:40. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Southampton to Cardiff in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest bus ticket we have found is £13.56 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
What's the fastest journey time between Southampton to Cardiff by bus?
The fastest journey time by bus between Southampton and Cardiff is 6 hrs 5 mins.
Is there a direct bus from Southampton to Cardiff?
Yes, there is a direct bus between Southampton and Cardiff.
What are the CO2 emissions for Southampton to Cardiff by bus?
The bus journey from Southampton to Cardiff creates 10.46kg of CO2 emissions.

Go local from Southampton

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Trending routes

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International routes from Southampton and nearby areas

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Other destinations from Southampton

Buses Southampton - WolverhamptonBuses Southampton - BirkenheadBuses Southampton - Milton KeynesBuses Southampton - NottinghamBuses Southampton - WiganBuses Southampton - BournemouthBuses Southampton - DoncasterBuses Southampton - TelfordBuses Southampton - PooleBuses Southampton - Newcastle, Newcastle upon TyneBuses Southampton - ChelmsfordBuses Southampton - Stoke-on-Trent

Main routes to Cardiff

Buses Stoke-on-Trent - CardiffBuses Nottingham - CardiffBuses Luton - CardiffBuses Newcastle, Newcastle upon Tyne - CardiffBuses Walsall - CardiffBuses Bournemouth - CardiffBuses Manchester - CardiffBuses Telford - CardiffBuses Poole - CardiffBuses Southend-on-Sea - CardiffBuses Worcester, Worcestershire - CardiffBuses Milton Keynes - Cardiff

Related routes

Flight Southampton - CardiffTrains Southampton - CardiffFlight Cardiff - SouthamptonBuses Cardiff - SouthamptonTrains Cardiff - Southampton

Other popular routes

Buses Birmingham - DerbyBuses Winchester - CoventryBuses London - LichfieldBuses Frome - LondonBuses Chesterfield - BridlingtonBuses Luton - PeterboroughBuses Leicester - RotherhamBuses Salzburg - StroblBuses Stoke-on-Trent - BroadstairsBuses Weymouth - Stoke-on-TrentBuses Harrogate - ManchesterBuses Peterborough - BirminghamBuses London - FromeBuses Wolverhampton - High WycombeBuses Bedford - TelfordBuses Bristol - TotnesBuses Bristol - BournemouthBuses Bristol - BradfordBuses Southport - Lincoln, LincolnshireBuses Peterborough - Coventry