Bus Tickets from Southampton to Cardiff

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TodayJun 20
from $38
TomorrowJun 21
from $30
SunJun 22
MonJun 23
TueJun 24
WedJun 25
ThuJun 26
FriJun 27

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is: Cheapest + Fastest
    Departure time: June 21 at
    Departure city: Southampton
    Departure location: University of Southampton
    Arrival time: June 22 at
    Destination city: Cardiff
    Destination location: Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Southampton
    Departure location: University of Southampton
    Arrival time: June 22 at
    Destination city: Cardiff
    Destination location: Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Southampton
    Departure location: Southampton
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Cardiff North Road (Friary Gardens)
    Operated by: FlixbusFlixbus
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Southampton
    Departure location: University of Southampton
    Arrival time: June 22 at
    Destination city: Cardiff
    Destination location: Cardiff (Gabalfa Interchange, o/s Roberts Optometrists)
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Southampton
    Departure location: Southampton
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Cardiff North Road (Friary Gardens)
    Operated by: FlixbusFlixbus
    Vehicle: BusDuration:

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Compare 3 ways to go from Southampton to Cardiff.

Bus
Average Price$17 - $65Average Duration7h 5m
3kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average Price$36 - $301Average Duration2h 40m
3kg CO₂e5 out of 5 stars
Fastest
Carpool
Average Price$36 - $36Average Duration3h 20m
6kg CO₂e4 out of 5 stars
busbud logoBusbud recommends carpooling from Southampton to Cardiff

Among the sustainable travel choices, the carpool stands out as the good way to reach Cardiff. The journey takes about 3 hours 20 minutes and with fares starting at just $36, it presents an excellent value for a comfortable ride.

1carpool per day
3h 20mAverage Duration
$36Cheapest ticket
6kgCO₂ emissions

Bus Southampton to Cardiff: Trip Overview

Average ticket price$28
Average bus trip duration7h 5m
Number of daily buses12.959999999999999
Earliest bus departure2:20am
Distance87 miles (139 km)
Latest bus departure7:15pm

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.

Frequently asked questions for your trip Southampton - Cardiff

Find cheapest prices for buses

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

Best price found
06/18
$37
06/19
$20
Today
$36
06/21
$28
06/22
$30
06/23
$20
06/24
$18
06/25
$17
busbud logoThe cheapest trip from Southampton to Cardiff was searched and found on Jun 25, 2025 with a price of $17

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 $17 to $77 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 $17 which is on 2025-06-25.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while traveling 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?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Southampton by bus?

Bus from Southampton to Cardiff

You can also go to Cardiff by train

Train from Southampton to Cardiff

Why choose Busbud?

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Busbud helps you easily search, compare and book intercity bus tickets on a worldwide scale with our comprehensive list of bus routes and schedules. With several language and currency options available, Busbud seeks to cater to international bus travelers 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.

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